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svetoff [14.1K]
3 years ago
15

Make x the subject of the formula mx=y

Mathematics
1 answer:
Alika [10]3 years ago
3 0
You’re going to have to single out the x. So, the way to go is divide both sides by m. Then you’re left with

x = y/m
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There is a bag filled with 4 blue and 5 red marbles.
Oxana [17]

Answer:

1/9

Step-by-step explanation:

there are 9 marbles in all so the probability of getting 1 blue marble would be 1/9

7 0
3 years ago
Find the volume of a cylinder with radius 4 m. And height 3 m.
katovenus [111]
V =  \pi r^25

Plug in the values

r = 4 ; h = 3

V= \pi *4^2*3

V = 3.14 * 16 * 3

V = 150.72

So approximately 150.7
6 0
3 years ago
While exercising, a person’s recommended target heart rate is a function of age. The recommended number of beats per minute, y ,
Deffense [45]

Answer:

170 heart beat per minute.

Step-by-step explanation:

While exercising, a person’s recommended target heart rate is a function of age. The recommended number of beats per minute, y, is given by the function y = f(x) = − 0.85x + 187 where x represents a person’s age in years.

So, if my age is 21 years i.e. x = 21, then the number of recommended heart beats per minute for my age will be

y = f(21) = - 0.85(21) + 187 = - 17.85 + 187 = 169.15 ≈ 170. (Answer)

{Taking the larger integer value}

8 0
3 years ago
In a photograph, a house is 4 inches wide and 6 inches tall. The photograph is enlarged while keeping proportional dimensions, a
AlekseyPX

Since you keep proportional dimensions, the proportion between the old and new dimensions must be the same. So, if we call the new height h, the preservation of the width/height ratio is written as


4 \div 6 = 9 \div h


Solving the proportion for h yields


h = \frac{6\cdot 9}{4} =\frac{3\cdot 9}{2} = \frac{27}{2} = 13.5

6 0
3 years ago
Read 2 more answers
One of the interior angles of a regular polygon is 144. fine the number of sides of the polygon ​
lora16 [44]

Answer:

10

Step-by-step explanation:

In any polygon

exterior angle + interior angle = 180° , thus

exterior angle + 144 = 180 ( subtract 144 from both sides )

exterior angle = 36°

The sum of the exterior angles = 360°

Thus number of sides n is calculated as

n = 360 ÷ 36 = 10

3 0
3 years ago
Read 2 more answers
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