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Maurinko [17]
4 years ago
5

StartFraction 4 over 2 EndFraction = StartFraction 5 over x EndFraction Solve the proportion for x. After using cross products,

the proportion becomes the equation . Isolate the variable by dividing both sides of the equation by . x = .
Mathematics
2 answers:
never [62]4 years ago
6 0

Answer:

After using cross products, the proportion becomes the equation

C. 4x=10

Isolate the variable by dividing both sides of the equation by

B. 4

x =

A. 2.5

Galina-37 [17]4 years ago
5 0

Answer:

StartFraction 4 over 2 EndFraction = StartFraction 5 over x EndFraction

Solve the proportion for x.

After using cross products, the proportion becomes the equation

✔ 4x = 10

.

Isolate the variable by dividing both sides of the equation by

✔ 4

.

x = ✔ 2.5

.

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Step-by-step explanation:

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it takes Maya 30 minutes to solve 5 logic puzzles, and it takes Amy 28 minutes to solve 4 logic puzzles. use models to show the
7nadin3 [17]

Answer:

Maya ---> 6\ minutes/puzzle

Amy ----> 7\ minutes/puzzle

see the procedure

Step-by-step explanation:

we know that

A relationship between two variables, x, and y, represent a proportional variation if it can be expressed in the form k=\frac{y}{x} or y=kx

Let

m ---> the number of minutes

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In this problem, the relationship between the variables m and p represent a proportional variation

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m=kp

Maya

it takes Maya 30 minutes to solve 5 logic puzzles

we have

m=30, p=5

Determine the value of the constant of proportionality k

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substitute the given values

k=\frac{30}{5}=6\ minutes/puzzle

The value of the constant k is the same that the slope or unit rate

The equation is equal to

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Amy

it takes Maya 28 minutes to solve 4 logic puzzles

we have

m=28, p=4

Determine the value of the constant of proportionality k

k=\frac{m}{p}

substitute the given values

k=\frac{28}{4}=7\ minutes/puzzle

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8 0
3 years ago
Sam is driving home from college. He is 220 miles away from home. If he can make it home in 4 hours, at what speed or velocity i
yan [13]
Answer: 55 miles per hour

Explanation: that hint is really useful
So if distance = velocity x time
That means 220 = v x 4 hours
To find v, divided 220 by 4
220 divided by 4 = 55
But I have a question:
Is he driving at a constant speed?
and is this 6th grade math? I’m in that grade but you can trust my answer
If im wrong, someone pls correct me
If im right, mark me brainliest pls, im broke, i have no points-
Goodluck!
3 0
3 years ago
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