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3 years ago

PLEASE HELP ME ANSWER THIS IT WILL HELP A LOT THANK YOU

Mathematics

2 answers:

PilotLPTM [1.2K]3 years ago

8 0

<h3>Kindly refer to the attachment above!</h3>

USPshnik [31]3 years ago

6 0

$\\ \sf\longmapsto \dfrac{6x^2y^3}{(-4x^4y)(-3x^3y^2)}$

$\\ \sf\longmapsto \dfrac{6x^2y^3}{12x^{4+3}y^{2+1}}$

$\\ \sf\longmapsto \dfrac{6x^2y^3}{12x^7y^3}$

$\\ \sf\longmapsto \dfrac{1}{2}x^{2-7}y^{3-3}$

$\\ \sf\longmapsto \dfrac{1}{2}x^{-5}y^0$

$\\ \sf\longmapsto \dfrac{1}{2x^5}$

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Write an equation for the line on the graph below.

alukav5142 [94]

Answer:

A store ships cans by weight. A small box can hold 3 to 5 pounds. A medium box can hold 5 to 8 pounds. A large box can hold 8 to 10 pounds. The weights of the cans are given below.

Drag cans into each box to show what the box could contain.

Step-by-step explanation:

7 0

3 years ago

Read 2 more answers

Which equations are equivalent to the given equation?

Strike441 [17]

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3 years ago

the ratio of sallys height is 7:8. if the sum of their heights is 90 inches. how tall are sally and jack?

pickupchik [31]

Answer:

Sally is 42 in. tall, and Jack is 48 in. tall.

Step-by-step explanation:

There are some words missing in the problem.

Perhaps the problem was meant to read:

"The ratio of Sally's height to Jack's height is 7:8. If the sum of their heights is 90 inches, how tall are Sally and Jack?"

Solution:

The ratio of the heights is 7:8.

Sally could measure 7 inches and Jack 8 inches, but then when you add the heights, 7 in. + 8 in. = 15 in. which is not 90 inches.

If you multiply both numbers in a ratio by the same number, the new numbers are still in the same ratio.

Multiply 7 and 8 by 2. You get 14 and 16. Maybe Sally is 14 in. tall and Jack is 16 in. tall. Add the heights, 14 in. + 16 in. = 30 in. This is also not 90 in.

We can keep on guessing what number to multiply by 7 and 8 by so their sum is 90, but we can use algebra to write an equation and not have to go through many guesses.

There is a number, x, that when you multiply 7 and 8 by x, the sum of the products is 90. We don't know what x is, but we can write an equation and solve for x.

The numbers in the ratio are 7x and 8x.

7x and 8x are still in the ratio 7:8.

Now we add the numbers 7x and 8x and set the sum equal to 90. Then we solve for x.

7x + 8x = 90

15x = 90

x = 6

We get x = 6. Now we know we need to multiply both 7 and 8 by 6 to get the heights we need.

7 in. * 6 = 42 in.

8 in. * 6 = 48 in.

Check: 42 in. + 48 in. = 90 in.

Answer: Sally is 42 in. tall, and Jack is 48 in. tall.

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3 years ago

S is the midpoint of RT. If RS = 7x-4 and ST = 5x+10, what is ST

Natali [406]

Answer: 45

Step-by-step explanation:

$RS=ST\\\\7x-4=5x+10\\\\2x-4=10\\\\2x=14\\\\x=7\\\\\implies ST=5(7)+10=45$

7 0

1 year ago

Solve the system of equations by graphing where f(x)=5-2x and g(x)=(2/3)x-2. What is the value of x? 0 1 2 3 4

vfiekz [6]

Answer:

The graph is uploaded in the attachment.

The value of x is 2.625.

Step-by-step explanation:

let us plot f(x), g(x) on y-axis

so, f(x)=y and g(x)=y.

the first equation can be written as y=5-2x

the general equation of a straight is y=mx+c

( where m is the slope and c is the y-intercept )

now comparing given equation with the general equation mentioned above, the slope of first line is -2 and its y-intercept is 5

the slope of second equation i.e, y=(2/3)x-2 is 2/3 and its y-intercept is -2.

now plot the graph using above information.

(y-intercept is the the coordinate of a point where the line intersects y-axis)

(slope is the angle made by the line with the x-axis)

by seeing the graph, the value of x is 2.625.

3 0

3 years ago

PLEASE HELP ME ANSWER THIS IT WILL HELP A LOT THANK YOU ​

PLEASE HELP ME ANSWER THIS IT WILL HELP A LOT THANK YOU