Please help with this system of equations? I now have a solid internet connection

Please Help With This System Of Equations? I Now Have A Solid Internet Connection

Answers

Answer 1

Given the following equations:

x = 3y + 5 (Eq. 1)

-5x + 15y = -25 (Eq. 2)

Let's find the solution using the Substitution Method:

x = 3y + 5 (Substitute to Eq. 2)

-5x + 15y = -25

-5(3y + 5) + 15y = -25

-15y + -25 + 15y = -25

0 - 25 = -25

-25 = -25

It appears that the given system has an infinite number of solutions.

Therefore, the answer is "infinitely many solutions".


Related Questions

Below, the two-way table is given for a classof students.FreshmenSophomoreJuniorsSeniorsTotalMale4622Female 3463TotalIf a student is selected at random, find theprobability the student is a senior.P( Senior ) = [?]%Round to the nearest whole percent.

Answers

EXPLANATION

In a two-way table probability, we need to examine the relationship between two categorical variables. In this case, we have a conditional probability.

We first need to fill in the total quantities in the boxes:

Now, in order to get the number of students we need to apply the following equation:

[tex]P(senior)=\frac{Desired\text{ outcomes}}{All\text{ the possible outcomes}}[/tex]

Where the desired outcomes represent the total number of studentes in the column "Seniors" and all the possible outcomes is equal to the total number of students.

Plugging in the terms into the equation:

[tex]P(senior)=\frac{5}{30}[/tex]

Simplifying:

[tex]P(senior)=\frac{1}{6}[/tex]

Rounding to the nearest whole percent:

[tex]P(senior)=17\text{ \%}[/tex]

In conclusion, the solution is 17%

reflect triangle ABC over the line Y equals to translate the image right three and up to. Then what are the coordinates of the verticals in the image

Answers

ANSWER

[tex]\begin{gathered} A^{\prime}^{\prime}(-2,4) \\ B^{\prime}^{\prime}(-3,7) \\ C^{\prime}^{\prime}(0,6) \end{gathered}[/tex]

EXPLANATION

First, let us find the coordinates of the vertices of the triangle:

[tex]\begin{gathered} A(-5,2) \\ B(-6,-1) \\ C(-3,0) \end{gathered}[/tex]

Now, we have to reflect the points over the line y = 2.

To do this, find the distance between the y-coordinate of each vertex and y = 2 and add it to 2. That becomes the new y-coordinate of the point while its x-coordinate remains the same.

Therefore, the coordinates become:

[tex]\begin{gathered} A(-5,2)\rightarrow A^{\prime}(-5,(2-2)+2)\Rightarrow A^{\prime}(-5,2) \\ B(-6,-1)\rightarrow B^{\prime}(-6,(2-(-1)+2)\Rightarrow B^{\prime}(-6,5) \\ C(-3,0)\rightarrow C^{\prime}(-3,(2-0)+2)\Rightarrow C^{\prime}(-3,4) \end{gathered}[/tex]

Now, we have to translate the points 3 units right and 2 units up. To do that, add 3 units to the x-coordinates and add 2 units to the y-coordinates of A'B'C':

[tex]\begin{gathered} A^{\prime}(-5,2)\rightarrow A^{\prime}^{\prime}(-5+3,2+2)\rightarrow A^{\prime}^{\prime}(-2,4) \\ B^{\prime}(-6,5)\rightarrow B^{\prime}^{\prime}(-6+3,5+2)\rightarrow B^{\prime}^{\prime}(-3,7) \\ C^{\prime}(-3,4)\rightarrow C^{\prime}^{\prime}(-3+3,4+2)\rightarrow C^{\prime}^{\prime}(0,6) \end{gathered}[/tex]

That is the answer.

A sample of 394 people is selected. The people are classified according to place of residence ("urban", "suburban", or "rural"). They are also classified accordingto highest educational degree earned ("no college degree", "two-year degree", "Your-year degree", or "advanced degree“). The results are given in thecontingency table below.No college degree Two-year degree Four-year degree Advanced degreeUrban50152045Suburban23481543Rural46272240

Answers

[tex]\begin{gathered} \text{ Relative frequency=}\frac{class\text{ frequency}}{n} \\ \\ \text{ class frequency: \# observations in a especific class} \\ n\colon\text{ total number of observations} \end{gathered}[/tex]

Class: Place of residence is rural

Class frequency: (46+27+22+40) =135

n: 394 people is selected

Relative frequecy of people in the sample whose place of residence is rural:

[tex]=\frac{135}{394}\approx0.34[/tex]

The Tabular Method is used to divide the polynomials shown below. Write the number of terms of the divisor.

Answers

Answer:

2

Explanation:

The divisor of the expression is (x + 1). Then, the terms of the divisor are the parts that are separated by the signs '+' or '-'. Therefore, in this case, there are 2 terms, x and 1.

So, the answer is 2.

I need help to find the indicated operation:f(t)= 2t-2g(t)= t^3-3tFind (f×g)(t)

Answers

f(t)= 2t-2

g(t)= t^3-3t



Find (f×g)(t)​

we have that

(f×g)(t)​=f(g(t))=2(t^3-3t)-2

f(g(t))=2(t^3-3t)-2

f(g(t))=2t^3-6t-4

Sanjay is making punch. He uses 1/3 cup of pineapple juice for every 3/4 cup of orange juice. How many cups of pineapple juice does he need if he uses 3 cup of orange juice.

Answers

Step

The question involve a direct proportion because when quantity inrease, the other increase.

Concept:

Find the constant of proportionality by dividing one quantity by the other.

Step 2

Find constant of proportionality K for 1/3 cup of pineapple juice for every 3/4 cup of orange juice.

[tex]\begin{gathered} k\text{ = }\frac{1}{3}\text{ }\frac{.}{.}\text{ }\frac{3}{4} \\ k\text{ = }\frac{1}{3}\text{ }\times\text{ }\frac{4}{3} \\ k\text{ = }\frac{4}{9} \end{gathered}[/tex]

Step 3

Use can use the direct proportion method

Let P represent the number of cups of pineapple juice

[tex]\begin{gathered} \frac{\frac{1}{3}}{\frac{3}{4}}\text{ = }\frac{P}{3} \\ \text{Cross multiply} \\ \frac{3}{4}P\text{ = }\frac{1}{3}\text{ }\times\text{ 3} \\ \frac{3P}{4}\text{ = 1} \\ 3P\text{ = 4} \\ P\text{ = }\frac{4}{3} \end{gathered}[/tex]

Final answer

[tex]\begin{gathered} \frac{4}{3}\text{ cups of pineapple juice is n}eeded\text{ for 3 cups of orange juice.} \\ \frac{4}{3}\text{ cups of Pineapple juice} \end{gathered}[/tex]

Dylan dad paid $245.40 which is 30% of original cost.How much was Dylan's dad selling the car for originally?

Answers

Let the original price of the car = x

So,

30% of x = $245.40

Solve for x

Note: 30% = 30/100 = 0.3

so,

0.3 x = 245.4

Divide both sides by 0.3

So,

x = 245.4/0.3 = 818

so,

the original car price is $818

9) The scatter plot shows the winning race times of the Olympic gold medal winners in the 100-meter sprint as a function of time. Tom Burke won the gold medal for the United States at the first ever Olympic Games in 1896. In 2012, Usain Bolt completed the race in 9.63 seconds to win the gold medal for Jamaica The equation of the line of best fit is y = -.013x + 11.14, where o represents the number of years after 1896, and y represents the Olympic Gold medalists times, in seconds, for the 100-meter sprint. What is the best interpretation of the slope of the line of best fit?*

Answers

ANSWER

Option A :The time it takes to win an 100 meter sprint decrease by 0.013 seconds every year

EXPLANATION

The equation of the line of best fit is given as:

y = -0.013x + 11.14

The general form of a linear equation is given as:

y = mx + c

where m = slope

c = intercept

This means that from the equation of the line of best fit, the slope is -0.013.

Because the slope is negative, it means that the value of the function decreases as x (number of years after 1896) increases.

Therefore, the slope means that the time it takes to win an 100 meter sprint decrease by 0.013 seconds every year. (Option A)

What is the scientific notation of the following number? 367 x 10^-3 *

Answers

the given number is

367 x 10^-3

the scientific notation of this number will be

3.67 x 10^-1

thus, the answer is 3.67 x 10^-1

Efgh is a rectangle . EA is 12 inch. Find the length of the diagonal EH

Answers

ANSWER

line EH is 24 in (option B)

EXPLANATION

Since EF || GH, and EG || FH

line EH = EA + AH

But EA and AH are equal

Then, EH = 12 + 12 = 24 in

Hence, line EH is 24 in

Find the slope of the line satisfy Ming the following conditions

Answers

The slope of an horizontal line is always zero.

This comes from the fact that the slope is given by:

[tex]m=\frac{y_2-y_1}{x_2-x_1}[/tex]

and if two points lie on a horizontal line this means that their y components are equals and then the numerator is zero.

Therefore the slope is zero.

how to solve 5u+27+4u=9

Answers

Given equation is

[tex]5u+27+4u=9[/tex]

Now, we keep all the terms with u in the left hand side and the terms without u in the right hand side. It follows

[tex]\begin{gathered} 5u+4u=9-27 \\ 9u=-18 \\ u=-2 \end{gathered}[/tex]

Hence, the solution is u=-2.

Tre is shown earning an hourly wage. An expressionfor the amount of money earned in one week is16(32)+ 16(22)+ 16(5%) + 16(4}). Rewrite theexpression so that it only has one multiplicationoperation, and then evaluate the expression.

Answers

Given:

[tex]16(3\frac{1}{2})+16(2\frac{1}{4})+16(5\frac{3}{4})+16(4\frac{1}{2})[/tex]

To evaluate:

First, rewrite the expression so that it has one multiplication.

[tex]16(3\frac{1}{2})+16(2\frac{1}{4})+16(5\frac{3}{4})+16(4\frac{1}{2})=16\times\lbrack3\frac{1}{2}+2\frac{1}{4}+5\frac{3}{4}+4\frac{1}{2}\rbrack[/tex]

Evaluating the above expression we get,

[tex]\begin{gathered} 16\times\lbrack3\frac{1}{2}+2\frac{1}{4}+5\frac{3}{4}+4\frac{1}{2}\rbrack=16\times\lbrack\frac{7}{2}+\frac{9}{4}+\frac{23}{4}+\frac{9}{2}\rbrack \\ =16\times\lbrack\frac{16}{2}+\frac{32}{4}\rbrack \\ =16\times(8+8) \\ =16\times16 \\ =256 \end{gathered}[/tex]

Hence, the answer is 256.

Arianna filled up her car with gas before embarking on a road trip across the country. Let G represent the number of gallons of gas remaining in her gas tank after driving for t hours. A graph of G is shown below. Write an equation for G then state the x- intercept of the graph and determine its interpretation in the context of the problem.

Answers

In this case, we'll have to carry out several steps to find the solution.

Step 01:

Data

G = gallons remaining in the tank

t = hours

equation = ?

x- intercept of the graph = ?

Step 02:

We must analyze the graph to find the solution.

point 1 ( 0 , 15) x1 = 0 y1 = 15

point 2 (12 , 0) x2 = 12 y2 = 0

slope formula

[tex]m\text{ = }\frac{y2\text{ -y1}}{x2-x1}=\frac{0-15}{12-0}=\frac{-15}{12}=-1.25[/tex]

slope-intercept form of the line

y = mx + b

m = -1.25

b = y-intercept = 15

G = -1.25x + 15

x- intercept of the graph = 12

After 12 hours there is no gas left in the tank.

The answer is:

G = -1.25x + 15

x- intercept of the graph = 12

After 12 hours there is no gas left in the tank.

Assume that the figures shown to the right are similar. Given the lengths of sides and measures of angles in the figure, what information is known About the right figure?

Answers

[tex]\begin{gathered} Theratio\text{ of sides of triangles are equal} \\ \frac{AD}{AB}=\frac{EH}{EF} \\ \text{Put all the value } \\ \frac{52}{78}=\frac{EH}{60} \\ EH=\frac{52}{78}\times60 \\ EH=40 \\ Sides\text{ of proportion are equal } \\ So,\text{ Angels are equal for both triangle } \\ \angle A=\angle E \\ \angle A=30^{\circ} \\ so,\angle E=30^{\circ} \end{gathered}[/tex]

Ellie is building a dollhouse. She has boards that are two different lengths. One long board is 7 inches longer than the total length of three of the short boards. Draw a picture showing how the short and long boards are related.

Answers

Ellie is building a dollhouse and she has four boards according to the question.

One long board is 7 inches longer than THE TOTAL LENGTH of three of the short boards.

Therefore, if she has boards A, B, C and D then board A equals the addition of boards B, C and D plus an additional 7 inches. We can put this into pictures as shown below;

From the pictures shown, whatever are the lengths of b, c and d, e simply add them up and add 7 to the result to derive the length of a.

B = b

C = c

D = d

A = (b + c + d) + 7

Caculate the arc length of GH in terms of pie

Answers

[tex]GH\text{ = }\frac{10}{3}\pi\text{ mm}[/tex]

Here, we want to calculate the arc length GH in terms of pi

What we will do here is to use the formula for the length of an arc

However, looking at the central angle, we can see it is 60

60 is actually 1/6 of the angle at the center which is 360

Thus, we have the arc length as 1/6 of the length of the circumfrence of the circle

Mathematically, we have this as;

[tex]\begin{gathered} GH\text{ = }\frac{1}{6}\text{ }\times\text{ 2}\times\text{ }\pi\times\text{ r} \\ \\ r\text{ is radius = 10}mm \\ \\ GH\text{ = }\frac{1}{6}\times2\times\pi\times10 \\ \\ GH\text{ = }\frac{10}{3}\pi\text{ mm} \end{gathered}[/tex]

Use the diagram as a reference to answer the question below

Answers

Let us draw out the triangle below:

Given that

[tex]\arctan \frac{\sqrt[]{3}}{3}=\beta[/tex]

Using the trigonometric identity for tan 30, where

[tex]\tan 30=\frac{\sqrt[]{3}}{3}[/tex]

Therefore,

[tex]\beta=30\degree[/tex]

The sum of angles in a triangle is 180°.

Therefore,

[tex]\begin{gathered} \alpha+\beta+90=180\degree \\ \therefore \\ \alpha+30+90=180 \\ \alpha=180-90-30 \\ \alpha=60\degree \end{gathered}[/tex]

To get the sides of the triangle, let us apply the Trigonometric ratios:

Using the Sine Trig. ratio,

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The numbers 1, 2, 3, 4, 5, 6 are written on identical cards and placed in a bag. A card is selected at random from the bag. Let A be the event "an even number is chosen: and let B be the event "a square number is chosen." Are events A and B independent?

Answers

Answer:

NOT independent.

Step-by-step explanation:

If we have the numbers 1,2,3,4,5,6 and we want to know how these events are related:

Two events A and B are said to be independent if the fact that one event has occurred does not affect the probability that the other event will occur. Since the events have in common the number 4, they are NOT independent.

Identify the decimal represented by the base-ten blocks. Asmall cube represents one-hundredth.

Answers

From the given base ten blocks, let's identify the decimal represented in the given system.

Using the block-rule, we have:

From the given boxes, we have:

One big block = 1 ones

Three medium sized block = 3 tenths

9 small sized block = 9 hundredths.

Therefore, the decimal represented by the base-ten blocks is:

1.39

ANSWER:

1.39

A type of dragon fly is the fastest insect. a. Write an equation to find how far the dragonfly can travelb. Use the equation to determine how far the dragon fly can travel in one minute

Answers

A type of dragonfly is the fastest insect.

a. Write an equation to find how far the dragonfly can travel

d = Distance Traveled (

s = Time in second

For calculating the expression, we are gonna use this two

points

A = (1, 23)

B = (5, 115)

First, we are going to calculate the slope

[tex]\begin{gathered} m=\frac{115-23}{5-1} \\ m=\frac{92}{4} \\ \\ m=23 \end{gathered}[/tex]

Now, we are going to calculate the intercept

[tex]\begin{gathered} b=y-mx \\ b=23-23\cdot1 \\ b=0 \end{gathered}[/tex]

The equation would be

[tex]y=23x[/tex]

Using our nomenclature

[tex]d=23\cdot s[/tex]

b. Use the equation to determine how far the dragonfly can travel in one minute

one minute = 60 seconds

[tex]\begin{gathered} d=23\cdot60s \\ d=1380 \end{gathered}[/tex]

2L + 2W =PSolve for w

Answers

Answer:

[tex]W=\frac{P}{2}-L[/tex]

Explanation:

Given the equation

[tex]2L+2W=P[/tex]

To solve for W, first subtract 2L from both sides

[tex]\begin{gathered} 2L+2W-2L=P-2L \\ \\ 2W=P-2L \end{gathered}[/tex]

Next, divide both sides by 2

[tex]\begin{gathered} \frac{2W}{2}=\frac{P-2L}{2} \\ \\ W=\frac{P}{2}-L \end{gathered}[/tex]

que fracción falta en 3/4+ ? = 4/5

Answers

Respuesta: 1/20

Explicación:

Si tenemos 2 números que sumados dan c, entonces c menos uno de los números es igual al otro.

Si a + b = c, entonces b = c - a

Esto significa que la fracción que falta puede ser calculada de la siguiente forma:

[tex]\frac{4}{5}-\frac{3}{4}=\frac{4\cdot4-5\cdot3}{5\cdot4}=\frac{16-15}{20}=\frac{1}{20}[/tex]

Por lo tanto, la fracción que falta es 1/20

Can I get an answer please? (also let me know if you need more than this image)

Answers

A' ( 0,0)

B' (4,0)

C' (4, 8)

D' (0,8)

Given the transformation rule, we want to get the coordinates of the transformed point

The transformation rule is that;

(x,y) to (x,2y)

Thus we have;

A (0,0) to (0 , 2(0))

A' (0,0)

For B (4,0)

WE have

(4, 2(0)) = (4,0)

For C (4,4)

WE have;

(4, 2(4)) = (4,8)

For (0,4)

We have

(0, 2(4)) = (0,8)

it takes Abbas 12 minutes to eat a pizza, and it takes Mashi 6 minutes to eat the same size pizza. Working together, how many of these pizzas could they polish off in 24 minutes if they can continue eating pizza at the same rate?

Answers

Given:

Abbas takes 12 minutes to eat a pizza and Mashi takes 6 minutes to eat same size pizza.

Abbas will eat 2 pizza in 24 minutes and Mashi eats 4 pizza in 24 minutes .

[tex]\text{Total number of pizza they polish off in 24 minutes }=2+4[/tex][tex]\text{Total number of pizza they polish off in 24 minutes }=6[/tex]

If A( x, 1), B( -3,7), C( -5, 9), and D( 5, 4), find the value of x so that lines are parallelPoints A and B belong to one line and points C and D belong to another line

Answers

we are given points A and B that belong to a line and points B and C that belong to another line that is parallel to the first one. We will first find the line that goes through points B and C. First, we will find the slope of this line, using the following formula:

[tex]m_2=\frac{y_2-y_1}{x_2-x_1}[/tex]

We have the following points:

[tex]\begin{gathered} (x_1,y_1)=(-5,9) \\ (x_2,y_2)=(5,4) \end{gathered}[/tex]

replacing in the equation, we get:

[tex]m_2=\frac{4-9}{5-(-5)}=-\frac{5}{10}=-\frac{1}{2}[/tex]

Since the lines are parallel, we have the following relationships between the slopes of each line:

[tex]m_1=-\frac{1}{m_2}[/tex]

replacing the known values we get:

[tex]m_1=-\frac{1}{(-\frac{1}{2})}=2[/tex]

Now we can apply the formula for the slope of these lines, using the following points:

[tex]\begin{gathered} (x_1,y_1)=(x,1) \\ (x_2,y_2)=(-3,7) \end{gathered}[/tex]

Replacing the known values we get:

[tex]m_1=\frac{7-1}{-3-x}[/tex]

replacing the value for the slope:

[tex]2=\frac{7-1}{-3-x}[/tex]

Now we will solve for "x", first by solving the operation in the numerator:

[tex]2=\frac{6}{-3-x}[/tex]

now we will multiply by the expression in the denominator on both sides:

[tex]2(-3-x)=\frac{6}{-3-x}(-3-x)[/tex]

Simplifying:

[tex]-6-2x=6[/tex]

Now we will add 6 on both sides:

[tex]\begin{gathered} -6+6-2x=6+6 \\ -2x=12 \end{gathered}[/tex]

Now we will divide by "-2"

[tex]x=\frac{12}{-2}=-6[/tex]

Therefore, the value of "x" for the two lines to be parallel is -6

There are four blood types, and not all are equally likely to be in blood banks. 49% of donations are type O blood, 27% of donations are type A blood, 20% of donations are type B blood, and 4% of donations are type AB blood. A person with type A blood can safely receive blood transfusions of type O and type A blood. What is the probability that if 3 donations are made, all 3 of them can be safely used in a blood transfusion on someone with type A blood?(0.27)3 = 0.0197(0.49)3 = 0.1176(0.27)3 + (0.49)3 = 0.1373(0.27 + 0.49)3 = 0.4390

Answers

Given

49% type O blood

27% type A blood

20% type B blood

4% type AB blood

Then, the probability is:

[tex]P=P\left(A\text{ blood}\right)+P\left(O\text{ blood}\right)[/tex]

Therefore:

[tex]\begin{gathered} P=\lparen0.27)\lparen0.27)\lparen0.27)+\left(0.49\right)\left(0.49\right)\left(0.49\right) \\ P=\left(0.27\right)^3+\left(0.49\right)^3=0.1373 \end{gathered}[/tex]

Answer:

(0.27)³ + (0.49)³ = 0.1373

a grocery store sells chicken for $3.30 per pound. what would be the cost of 2 1/2 pounds of chicken

Answers

hello

the store sells chicken for $3.30 per pound

1 pound = $3.30

would would be the cost of 2 1/2 pound

let x represent the cost of 2 1/2 pound

[tex]\begin{gathered} 1\text{ pound = \$3.30} \\ 2\frac{1}{2}pound\text{ }=\text{ x} \\ \text{1 pound = \$3.30} \\ \frac{5}{2}\text{ pound = x} \\ cross\text{ multiply and make x the subject of formula} \\ 2.5\text{ }\times\text{ 3.30 }=\text{ 1 }\times\text{ x} \\ x\text{ = 8.25} \end{gathered}[/tex]

the cost of 2 1/2 pound chicken is $8.25

Describe the effect of the transformation (x,y) → (x,y+4)

Answers

The image's been translated 4 units up.

Since this Geometric Transformation, described is a Translation.

Then We can say that the Image moved 4 units up, for it is +4 and this figure has not been translated horizontally.

Pre-Image Image

(x,y) (x, y+4)

Hi I will be late ⏰ if we are ok weQuestion 5

Answers

SOLUTION:

Case: Differentiation

Method:

[tex]\begin{gathered} h(t)=10+50t+\frac{1}{2}at^2 \\ h^{\prime}(t)=50+2\times\frac{1}{2}at^{2-1} \\ h^{\prime}(t)=50+at \\ But \\ h^{\prime}(1.25)=9.75 \\ h^{\prime}(1.25)=50+1.25a \\ 9.75=50+1.25a \\ 1.25a=9.75-50 \\ 1.25a=-40.25 \\ a=\frac{-40.25}{1.25} \\ a=-32.2ft\text{ /}s^2 \end{gathered}[/tex]

Final answer:

a = -32.2 ft per sq seconds

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