Mathematics High School

solve please!!!!!!

Answers

Answer 1

Answer:

no solution

Step-by-step explanation:

Answer 2

Answer:

d. x=3 and x-11

Step-by-step explanation:

Related Questions

Two pulleys, one with radius r 1r1 and the other with radius r 2r2, are connected by a belt. The pulley with radius r 1r1 rotates at omega 1ω1 revolutions per minute, whereas the pulley with radius r 2r2 rotates at omega 2ω2 revolutions per minute. Show that StartFraction r 1 Over r 2 EndFraction equals StartFraction omega 2 Over omega 1 EndFraction r1 r2

Answers

Answer:

r1/r2 = 2ω2/ω1

Step-by-step explanation:

The velocity of each pulley is expressed as v = ωr where;

v is the linear velocity of the pulley

ω is the angular velocity of the pulley

r is the radius of the pulley.

For the two pulleys, the velocity I'd both pulleys are the same.

v1 = v2

v1 is the linear velocity of first pulley

v2 is the linear velocity of the second pulley.

v1 = ω1r1

v2 = 2ω2(r2)

r1 and r2 is the radius of pulley 1 and pulley 2 respectively.

Since v1 = v2

ω1r1 = 2ω2(r2)

Divide both sides by r2

ω1r1/r2 = 2ω2(r2)/r2

ω1r1/r2 = 2ω2

Divide both sides by ω1

ω1r1/r2/ω1= 2ω2/ω1

r1/r2 = 2ω2/ω1

Harry put blue and green marbles in a bag. Exactly 3/4 of the marbles in the bag are blue. Which of the following could be the total number of marbles in the bag.
A. 3
B. 6
C. 7
D. 8

Answers

Answer:

Step-by-step explanation:

Because when u multiply 3/4 times A,B,C it gives you a decimal, when u multiply 3/4 by 8 you get 6 a whole number.

The total number of marbles in the bag could be (d) 8

How to determine the possible total?

We have:

Blue proportion = 3/4

This means that the green proportion is

Green proportion = 1 - 3/4

Evaluate

Green proportion = 1/4

Express as ratio

Blue: Green = 3/4 : 1/4

Simplify

Blue: Green = 3 : 1

Add the ratios

Total = 3 + 1

Total = 4

The above means that the total number of marbles in the bag is a multiple of 4

i.e. 4, 8, 12, 16, 20......

Hence, the total number of marbles in the bag could be (d) 8

Answers

Answer:

If Im correct B). is the correct answer

B) -11d and +8d, +2z and -12z

Phil would like to make a profit of $250 this summer mowing his grandfather’s lawn. If he plans to mow 20 times and estimates that his fuel costs will be $30 for the entiresummer,which equation could be used to determine how much should he charge for each mowing?

Answers

Answer:

which principle prevents a brach from abusing its power

Step-by-step explanation:

which principle prevents a brach from abusing its power

Answer:

20x - 30 = 250

Step-by-step explanation:

20x - 30 = 250

20x = 280

x = 14

What is 14/20 as a percent

Answers

The answer would be 70%

Remember 'bout :

Percent is /100

So :

14 ×5 70

-------- = ----- -

20×5 100

70 %

Im sorry if im wrong

A rectangle has coordinates A(-4,3). B(0,0), C(6,8) and D(2,11)

Answers

Answer:

what is the question

Step-by-step explanation:

james painted 3/4 of his bedroom wall in 2/3 of an hour. How much of the wall could he paint in ONE full hour? (WRITE YOUR ANSWER AS A SIMPLIFIED IMPROPER FRACTION) Use either strategy to solve.

Answers

Answer:3/3 i think

Step-by-step explanation:

Answer:

Step-by-step explanation:

First, we need to find the common denominator between 3/4 and 2/3. The least common factor of these fractions is 12. Now we can turn 3/4 into 9/12, and 2/3 into 8/12, simply by multiplying. To figure out what one third is, we can divide by 2 to get 4/6 and 3/6... And now I'm lost (*￣∀￣) *embarrassed face lol*

-10+1= plssssss help meeeeeee

Answers

Answer:

-9

Step-by-step explanation:

-10 - (-1) = -9

what is -6 divided by (-3) • (-5)

Answers

Answer:

Step-by-step explanation:

-10
Pls mark brainliest

what ordered pair is the solution

Answers

The solution is C both (1,2) and (2,4) because for (1,2) both sides = 9 which is true and for (2,4) both sides equal 18 which is true

6. 108 is how many times as large as 2. 103?

Answers

Answer:

54 times larger than 2

Step-by-step explanation:

108 divided by 2 is 54

54 times larger than 2

Determine whether the equation below has a one solutions, no solutions, or an
infinite number of solutions. Afterwards, determine two values of x that support your
conclusion.
2 – 3 = -3 + 2

Answers

Answer:

one solution

Step-by-step explanation:

In parallelogram JKLM, what is the relationship between angle j and angle k?

j° + k° = 180°
j° = k°
j° = -k°
j° - k° = 180°
1 of 4

Answers

Answer:

since j&k are interior angles if I added they should come up to 180° so j + k is equals to 180° yeah that's the answer

yall already know im stuck again will mark brainlyest

Answers

2) 14
3) 1
4) -2
5) -11
6) -14
7) 5
8) 29
9) 13
10) 16

between which two consecutive whole numbers does the root of 15 lie

Answers

It lies between the numbers 3 & 4 because the true answer of [tex]\sqrt{15\\[/tex] is 3.87

10(6 + 4) ÷ (2³.7)² =

Answers

Answer:

25/784

Step-by-step explanation:

A rectangular garden has length and width as given by the expressions below.
Length: 4 - 7(3x + 4y)
Width: 3x(-2y)
Write a simplified expression for the perimeter of the rectangle.

Answers

2[4 − 7(3x + 4y)] + 2[3x(−2y)]
2[4 - 21x -28y] + 2[-6xy]
8 - 42x - 56y -12xy

the perimeter of given rectangular garden is (8 - 42x - 56y -12xy).

At the start of the football game, there were 840 fans in the stadium. It began to rain during halftime, so 10% of the fans went home.
During the 3rd quarter of the game, the visiting team scored five touchdowns, so 25% of the remaining fans went home.
How many fans were in the stadium after the 3rd quarter?

Answers

After the third quarter there were 567 fans in the stands
840x.90(total-part)=756 fans at 1/2 time
756x.75= 567 fans after the third quarter

if x=-2, y=-6 and z=4, Find the value of 4xy 3marks

Answers

Answer:

Step-by-step explanation:

4xy=4*(-2)*(-6)

4xy=48

Approximate which two integers √210 is between.

Answers

Answer:

14 and 15

Step-by-step explanation:

14 - 196

15- 225

I may or may not be dumb in the brain... I'll give brainliest to whoever answers first and correctly.

Answers

Answer:

23 degrees

Step-by-step explanation:

6x + 42 = 180

x = 23

Answer:

23 Degrees

Step-by-step explanation:

6x + 42 = 180

-42. -42

6x = 138

/6. /6

× = 23

combining like terms: -7x+x HELP ASAP

Answers

Answer:

Hello!!! Princess Sakura here ^^

Step-by-step explanation:

When you combine like terms you see the ones that are similar then you add or subtract, depends on what the signs are. For this one -7x is similar to x so in this case you would add x to the -7x which will give you -6x.

solve each equation for x:
-5(3x + 4) = 25
4(x + 2) - 3(2x - 4) = 10
-4x - 3 = -1

Answers

Answer:

1. x = -3

2. x = 5

3. Exact Form: x = −1/2

Decimal Form: x = −0.5

Step-by-step explanation:

Answer:

1. -3

2. 2/3

3. 1/2

what is the mean of the data set? 61, 38, 40, 53

Answers

the mean of the listed data set is 48.

Answer:

Step-by-step explanation:

Mean = Sum of all values/ total no of data

[tex]\frac{61+38+40+53}{4} \\\\= \frac{192}{4} \\\\=48[/tex]

Find x- and y-intercepts. Write ordered pairs representing the points where the line crosses the axes.

y= 1/3 x− 2/3

Answers

Answer:

y-intercept = (0,-2/3)

x-intercept = (2,0)

Step-by-step explanation:

*X-intercept touches the x-axis & y-intercept touches the y-axis*

You can identify the y-intercept by looking at the equation.

The slope is 1/3x and the y-intercept is -2/3.

I'm not sure how to solve for the x-intercept, but you can make a graph with the y-intercept and the slope points. By doing this you should be able to find the x-intercept.

Hope this helped!!! :)

PS: Check out the Desmos Graphing Calculator

This website helps a lot with these types of problems. You can type the equation, and it will show you a graph. If you look at the graph, you'll be able to determine the slope, the x-intercept, and the y-intercept.

-1 1/3- 1 2/3 in the simplest form

Answers

Answer:

-3

Step-by-step explanation:

Answer:

-3

Step-by-step explanation:

thats in the simplest form

8.673

8.637

Is 8.673 greater, least, or are they equal?

Answers

Answer:

the answer is greater...

A right rectangular prism is packed with cubes of side length fraction 1 over 8 inch. If the prism is packed with 16 cubes along the length, 8 cubes along the width, and 6 cubes along the height, what is the volume of the prism?

Answers

Answer:

768

Step-by-step explanation:

16x8x6=768 because volume equals length times width times height ! :)

u have to solve quadratic equations algebraically ,if u are math nerd pls help, Solve the equation 6x=2x^2+1

Answers

Answer: here you go sir

Step-by-step explanation: I couldn’t put it on here because I had to put certain symbols. Hope this helps!

Solve the equation for b. Use lowercase letters and no spaces when typing in the equation. a+b/3= C type your answer...

Answers

Multiply both sides of the equation by 3

3a+b=3c

Subtract 3a from both sides

B= 3c-3a

I’m not 100% sure about this answer, but I hope it helps anyways :)

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