3x+y=-5
7x+3y=1
I dont know

Answers

Answer 1

Answer:

may be it will help u

Step-by-step explanation:

3x+y= -5

7x+3y= 1

ans wehave to subtract .now

4x-2y=4

either 4x=4 or -2y=4

...×=1 y= -2

Answer 2
First we have to make y the same:
3x+y =-5 (times everything by 3)
7x+3y=1 (Times everything by 1)

Because both the signs are + you have to take away that’s a rule.

9x+3y =-15
7x+3y =1
(The 3y cancels out)
2x= -16
x=-8

We then take any equation of the two to find y I picked 7x+3y =1 you substitute the x with -8

7x+3y =1

7x (-8)+ 3y =1

-56+3y=1
(Add 56 to the other side)
3y= 57
y= 19


So x is -8 and y = 19

If you still unsure you can ask me I can explain again






Related Questions

if two angles are supplementary and one angle is 75 degrees what is the measure of the other?

Answers

Answer:

105 degrees

Step-by-step explanation:

supplementary angles equal 180 so 180-75=105

(5x^4y^7)(6x^2y)= ?I don't know how to do this I need step by step​

Answers

Answer:

y7

Step-by-step explanation:

Answer:

Step-by-step explanation:

Group like terms:

(5x⁴y⁷)(6x²y) = 5·6x⁴x²y⁷y

= 30x⁴⁺²y⁷⁺¹

= 30x⁶y⁸

Jasmine took her family out for dinner. The bill came for $79.33. If the sales tax is 9.5% and
she plans to tip 20%, how much will she pay in total? Assume that the tip will include the
dinner with tax. (Hint: You need to calculate the tax of the bill and then add it to the bill
before calculating the tip).

Answers

79.33 * 1.095 = 86.87 + 20%tip = 86.87*1.2=$104.25

A car salesperson makes 25% commission on each car sold. If the salesperson just sold a vehicle for $42,000, how much in commission was made?

Answers

Answer:

$10500

How I Found This Answer:

$42000 ÷ 4 = $10500

Hope This Helps.

Take a point O on your notebook and draw circles of 3.6 cm, 4.5 cm and 5.3 cm , each having the same centre O.​

Answers

Answer:

to aage kya keru koi Q hai to bol

Answer:

I hope it help pls mark me brainlest pls

Name the relationship between the angles below. What is the sum of the angles? Explain how you would find the missing angle. Explain each step. (replace with 120 & x)

Answers

Answer:

Step-by-step explanation:the answer is : Name the relationship between the angles below. What is the sum of the angles? Explain how you would find the missing angle. Explain each step. (replace with 120 & x)

PLZ HELP i jus want answer

Answers

Answer:

B. midpoint

Step-by-step explanation:

UT is located in the middle of UT as the lengths of ST and US are equal

7/8 b - 2 b + 4 C where a equals -3 b equals 5 C equals 6 ​

Answers

Answer:

18.375

Step-by-step explanation:

How many cubes with an edge length of 1/2 inches are needed to fill a rectangular prism that is 2 in by 2 in by 3 in? HELPPPPPP

Answers

since the volume of the prism is 12 (2x2x3), and the volume of the cubes is 1/8 (1/2 x 1/2 x 1/2), you would multiply divide 12 by 1/8 to find the number of cubes you need

12 x 8 equals 96, meaning you need 96 cubes

Answer: 96 cubes

HelP meEEEEeeeeEeeeEEEEEEe

Answers

Answer:

B

Step-by-step explanation:

Answer:

B since 3 x 3 x 4 = 36 and 4 x 3 = 12 and 36 divided by 12 is 3 and the question above says almost exactly the same thing 30 + 6 = 36 and 36 divided by 12 is 3.

Step-by-step explanation:

Two less than 3times a number is the same as the number plus 10.

Answers

5 is the number

3n - 2 = n + 10 add 2 to both sides
3n = n + 10 subtract n from both sides
2n = 10 divide both sides by 2
n = 5

Answer:

6

Step-by-step explanation:

3n - 2 = n + 10.    add 2

3n = n + 12           subtract n from both sides

2n = 12.                divide by 2

N = 6

The number is 6

The graph of 6x + 4y = -2 is shown on the grid. Which ordered pair is in the solution set of 6x + 4y = -2? es -) A) (2,3) B) (3, 2) (-2, -3) D) (-2,3) U GET 20 BRIANLY POINTS PLS HELP​

Answers

Answer:

B

Step-by-step explanation:

Using slope-intercept form, the slope is 3/2.

help i will mark brainliest if u help me :))) i think i got the first part but the second one im not sure about and tell me if i got the first part wrong

Answers

9514 1404 393

Answer:

graph needs a solid dot at 13(c)  ... at least 130 miles. ... at least 13 weeks.

Step-by-step explanation:

The ≥ symbol means "greater than or equal to". In English, it is equivalent to "at least". On a graph, the boundary dot is drawn as solid to indicate the value represented by the dot is part of the solution.

The inequality is recognizable as the sum of miles added each week (6x) and the number of miles already completed (52). That is said to be greater than or equal to 130, so we presume the road crew's goal is "at least 130 miles."

The solution to the inequality is graphed as x ≥ 13, so we presume the time required to meet the goal will be "at least 13 weeks."

These statements match the 3rd choice.

A 3-column table with 4 rows. Column 1 is labeled Inequality with entries 8 greater-than 2, negative 10 less-than negative 5, 16 greater-than negative 40, negative 8 less-than 4. Column 2 is labeled Multiply each side by: with entries negative 2, 5, 8, negative 4. Column 3 is labeled New Inequality with entries A, B, C, D. The table gives an inequality and a number to divide both sides of the inequality by. Identify the new, true inequality. A: B: C: D: The inequality symbol is only reversed when dividing by a number.

Answers

Answer: Column 1 is labeled Inequality with entries 8 greater-than 2, negative 10 less-than negative 5, 16 greater-than negative 40, negative 8 less-than 4. Column 2 is labeled Multiply each side by: with entries negative 2, 5, 8, negative 4. ... A: B: C: D: The inequality symbol is only reversed when dividing by a number.

Step-by-step explanation:

Answer:

1. B
2. B
3. A
4. A
5. negative

Step-by-step explanation:

How many solutions are shown by the graph of the quadratic function? A zero B one C two D three​

Answers

Answer: B) one

A solution to a quadratic is the same as the root or x intercept (when talking about real numbers). The graph shows that we have exactly one x intercept, which is where the parabola touches the x axis. So we have one root.

A gallon of water weighs 8.34 pounds. The Sanchez family has a round, 15 foot diameter, above- ground pool. How much weight is added to the pool when it is filled with 5,305 gallons of water?

Answers

Answer:  Choice B)  44,243.7 pounds

==========================================================

Work Shown:

1 gallon = 8.34 pounds

5305*(1 gallon) = 5305*(8.34 pounds)

5305 gallons = 44,243.7 pounds

Note: the information about the 15 foot diameter is not used at all.

The weight of the water that needs to be added to the pool when it is filled with 5,305 gallons of water is 44,243.7 pounds option (B) is correct.

What is unit conversion?

It is defined as the conversion from one quantity unit to another quantity unit followed by the process of division, and multiplication by a conversion factor.

It is given that:

A gallon of water weighs 8.34 pounds. The Sanchez family has a round, 15-foot diameter, above-ground pool.

Let x be the weight of the water that needs to be added to the pool when it is filled with 5,305 gallons of water.

As we know,

1 gallon = 8.34 pounds

5305×(1 gallon) = 5305×(8.34 pounds)

5305 gallons = 44,243.7 pounds

Thus, the weight of the water that needs to be added to the pool when it is filled with 5,305 gallons of water is 44,243.7 pounds option (B) is correct.

Learn more about the unit conversion here:

https://brainly.com/question/11543684

#SPJ2

A teenager who is 5 feet tall throws an object into the air. The quadratic function LaTeX: f\left(x\right)=-16x^2+64x+5f ( x ) = − 16 x 2 + 64 x + 5 is where f(x) is the height of the object in feet and x is the time in seconds. When will the ball be 10 feet in the air?

Answers

Answer:

At approximately x = 0.08 and x = 3.92.

Step-by-step explanation:

The height of the ball is modeled by the function:

[tex]f(x)=-16x^2+64x+5[/tex]

Where f(x) is the height after x seconds.

We want to determine the time(s) when the ball is 10 feet in the air.

Therefore, we will set the function equal to 10 and solve for x:

[tex]10=-16x^2+64x+5[/tex]

Subtracting 10 from both sides:

[tex]-16x^2+64x-5=0[/tex]

For simplicity, divide both sides by -1:

[tex]16x^2-64x+5=0[/tex]

We will use the quadratic formula. In this case a = 16, b = -64, and c = 5. Therefore:

[tex]\displaystyle x=\frac{-b\pm\sqrt{b^2-4ac}}{2a}[/tex]

Substitute:

[tex]\displaystyle x=\frac{-(-64)\pm\sqrt{(-64)^2-4(16)(5)}}{2(16)}[/tex]

Evaluate:

[tex]\displaystyle x=\frac{64\pm\sqrt{3776}}{32}[/tex]

Simplify the square root:

[tex]\sqrt{3776}=\sqrt{64\cdot 59}=8\sqrt{59}[/tex]

Therefore:

[tex]\displaystyle x=\frac{64\pm8\sqrt{59}}{32}[/tex]

Simplify:

[tex]\displaystyle x=\frac{8\pm\sqrt{59}}{4}[/tex]

Approximate:

[tex]\displaystyle x=\frac{8+\sqrt{59}}{4}\approx 3.92\text{ and } x=\frac{8-\sqrt{59}}{4}\approx0.08[/tex]

Therefore, the ball will reach a height of 10 feet at approximately x = 0.08 and x = 3.92.

2+3=8,
3+7=27,
4+5=32,
5+8=60,
6+7=72,
7+8=??

Answers

Answer:

98

Step-by-step explanation:

I need this answer asap

Answers

Answer:

247

Step-by-step explanation:

the answer is 247!!!!!!!!!!!!!!!!!!

6
7
8
Y
U
O
Р
HIK
Help please :)

Answers

Answer:

oojjojojojo

Step-by-step explanation:

gjj h 7/4 to the third power Chelsea is making a kite in the shape of a triangle. To determine if the triangle is a right triangle, Chelsea completed the following steps.

Step 1:

Find the side lengths of the triangle: 30 inches, 24 inches, 18 inches.

Step 2:

Substitute the values into the Pythagorean theorem: 18 squared + 24 squared = 30 squared.

Step 3:

Combine like terms: (18 + 24) squared = 30 squared.

Step 4:

Evaluate each side: 1764 not-equals 900.

Chelsea says the triangle is not a right triangle. Which best describes the accuracy of her explanation?

The triangle is actually a right triangle. In step 2, Chelsea incorrectly substituted the values into the Pythagorean theorem.

The triangle is not a right triangle, but in step 2 Chelsea incorrectly substituted the values into the Pythagorean theorem.

The triangle is actually a right triangle. In step 3, Chelsea incorrectly rewrote the expression on the left side of the equation.

The triangle is not a right triangle, but in step 3, Chelsea incorrectly rewrote the expression on the left side of the equation.

square root of 73984​

Answers

Answer: 272

Step-by-step explanation:

Answer:

272

Step-by-step explanation:

by method of long division.

hope it's helpful

i like boys
the subject is your mom

Answers

Answer:

i like woman

Step-by-step explanation:

the subject is your dad

what is the solution to 16x
2
+16x−27=5

Answers

Answer:

x = 1, −2

Step-by-step explanation:

need helppp now please

Answers

Answer:

The pyrenees; mountains between Spain and France

Step-by-step explanation:

Answer:

The answer would be Russia

Step-by-step explanation:

Hope this helps

an item sells for 40$. thr sales tax on the item is 8%. what is the sales tax and total cost ​

Answers

Net Amount (excluding tax)$40.00

Tax (8.0%)$3.20

Gross Amount (including tax)$43.20

Please help me with the question please ASAP ASAP please please ASAP please please help

Answers

Angle 1 - 60 degrees

Angle 2 - 30 degrees

Angle 3 - 60 degrees

Angle 4 - 30 degrees

Hope this helps! :)

Pls Help me I’ll give brainliest

Answers

Answer:

3. 6/10 9/15 4. 62.5/100 0.625 5. 6/25 %24 6. 0.62 %62

Step-by-step explanation:

You have to find two numbers that would also be quivilant to whatever number. Please mark branliest.

y=-4x unit rate/constant/slope

8TH GRADE

Answers

9514 1404 393

Answer:

  -4

Step-by-step explanation:

In a linear equation, the terms "unit rate", "rate of change", "constant of proportionality", and "slope" all refer to the coefficient of x (the independent variable).

Here, the coefficient of x is -4.

The slope is -4.

_____

Additional comment

Strictly speaking the "constant of proportionality" only refers to the x-coefficient (k) when the equation is of the form ...

  y = kx . . . . . with no added constant

"Slope", "unit rate", and so on, can also refer to the x-coefficient (m) when the equation has a non-zero y-intercept (b):

  y = mx + b

If y=4x-5,what is the value of y when x is 7

Answers

Answer:

23

Step-by-step explanation:

y=4x-5

=4(7)-5

=28-5

=23

Y=4x-5

Input x=7

Y=4(7)-5

Multiple 4(7)

28-5

Sub 28-5

FINAL ANWSER IS 23

I need helpppp
Find the value for y when x =2: y= 2x+5

Answers

Answer:

y = 9

Step-by-step explanation:

Other Questions
what is the breakdown of glucose, anabolic or catabolic reaction called One side of a rectangle is 3 yards longer than twice the length of another side. If the perimeter is 27 yards, what is the length of the longer side how to say mountain climbers gita took a total of 6 quizzes over the course of 3 weeks.After attending 4 weeks of school this quarter, how many quizzes will gita have taken in total?Assume the relationship is directly proportionaldisplay the proportion to solve The polygons below are similar... please help I will mark you brainliest thank youuuu Eliza bought 2 2/4 yards of fabric. She cut off 3/4 yards to make an art project. What fraction offabric is left? A letter to your friend telling him about the recent changes in your school umm hi I have a question Susan brought a dozen cartons for $ 18.50 she will also have to a sails tax of 6% what is the total cost of the carnations Anyone mind helping 1. Why were guns looked at differently by the founding fathers? what is medical research? help please :( pls and tyyy What is the answer to 2/5 2/3 in simplest form From The Odyssey - Penelope, what can the reader predict about Odysseus and Penelope's future relationship?O They will not resume their marriage, and Penelope will resent Odysseus for being gone so longThey will not resume their marriage, but Penelope will help Odysseus defeat the suitors.They will resume their marriage, but they will feel estranged because of their long time apartO They will resume their marriage, and they will happily rule together over their kingdom tramsform fault how might a geologist measure the distance of Earth moving along a fault line like this If the current in each wire is the same, which wire produces the strongest magnetic field?-a wire that is 1 mm thick and not coiled-a wire that is 2 mm thick and not coiled-a 1-mm-thick coiled wire with ten loops-a 2-mm-thick coiled wire with two loops Help please ASAP thanks!! Verilenlerden hangisi mettalere ait bir zellikdeildir 12. A concurrent power is A reserved for the federal government only. B. reserved for the state governments only. C. shared by both federal and state governments. D. voted on by the Congress before enactment. 25 + (98 - 7) x 4 =?Any help would be really nice right now! Thanks!