MATHEMATICS MIDDLE SCHOOL

If y varies directly as x, and y is 16 when x is 4, when y= 24 what is the value of x?

Answers

Answer 1

Answer:

Answer:

x = 6 possibly

Step-by-step explanation:

I am just an algebra student, but if I am correct I would appreciate a crown.

16/4 is 4, so i assumed that was the geometric pattern, so i divided 24 by 4 and got 6.

Hoped this helped.

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A company manufacturing company small solid plastic cubes .They use the expression s3 to find the volume of plastic needed to make a cube .Luis claims that the volume of plastic needed to make a cube with the side length of 8 millimeters is 24 cubic millimeters do u agree with Luis's claim explain your reasoning

Answers

Yes, Luis is correct.
If s is equal to the the side length, then in the problem, s is equal to 8 millimeters. 8 x 3 is equal to 24, which would equate to 24 cubic millimeters.

The bug ran from 24 to 78. What distance did it cover? If this run took the bug 9 seconds, what was its average speed?

Answers

Answer: SO first subtract 78-24=54. So the distance is 34. now you divide distance/time which will be 54/9 and that equals 6. the average speed is six and the distance it covered is 54

Step-by-step explanation:

When two lines intersect to form two angles, what conjecture can you make about the pair of angles that are next to each other?

Answers

you can say that the angles are linear

A golfer hits a ball from a starting elevation of 5 feet with a velocity of 70 feet per seconddown to a green with an elevation of -4 feet. The number of seconds t it takes the ball to
hit the green can be represented by the equation - 16t2 + 706 + 5 = -4. How long does it
take the ball to land on the green?
It takes the ball |
seconds to land on the green.

Answers

Answer:

Time, t = 4.5 s

Step-by-step explanation:

The number of seconds t it takes the ball to hit the green can be represented by the equation :

$-16t^2 + 70t + 5 = -4$

It means that the initial velocity is 70 ft/s. The above equation becomes:

$-16t^2 + 70t + 9=0$

It is required to find the time taken by the ball to land on the ground. It is a quadratic equation. The solution of quadratic equation is given by :

$t=(-b\pm √(b^2-4ac) )/(2a)\n\nt=(-b+ √(b^2-4ac) )/(2a),(-b- √(b^2-4ac) )/(2a)\n\nt=(-70+ √((70)^2-4* (-16)(9)) )/(2(-16)), \frac{-70-\sqrt{(70)^(2)-4*(-16)(9)}}{2(-16)}$

t = −0.125 and t = 4.5 s

Time cannot be negative. So, the time taken by the ball to land on the ground is 4.5 seconds.

Is -6/7 in decimal form'

Answers

6/7 is in fraction format . . . for it to be in decimal format it would be 0.8571 . . .

-0,857142 is the answer

A particular shade of paint is made by mixing 5 parts red paint and 7 parts blue paint. To make this shade, Shannon mixed 12 quarts of blue paint with 8 quarts of red paint. Did Shannon mix the correct shade? 20 POINTS!!

Answers

no, she didn't because 5:7 and 12:8 are not equivalent ratios

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