2 years ago

Solve the proportion: 5/x+7=3/x+3

Mathematics

1 answer:

Allushta [10]2 years ago

7 0

Answer:

x=3

Step-by-step explanation:

cross multiply

5(x+3)=3(x+7)

5x+15=3x+21

5x+15-3x=3x+21-3x

2x+15=21

2x+15-15=21-15

2x=6

x=3

You might be interested in

Please answer using the information provided (30 points for brainlyest)

Aleks [24]

$8.5(3.5 + x)$

$(8.5 \times 3.5) + (8.5 \times x)$

$29.75 + 8.5x$

I honestly don't know what to do for b. Maybe it tells us that the minimum area possible is 38.25 in²? or maybe it tells us that the area of just the original photo is 29.75 in²? I don't know.

7 0

2 years ago

A rectangular prism has side lengths of 4 inches, 6 inches, and 7 inches. If all side lengths are multiplied by 5, what happens

alexandr402 [8]

Most likely your answer would be A

4 0

3 years ago

Read 2 more answers

Please help?????????????????????

iren [92.7K]

Answer:

The answer is option (B)

Here is the explanation...

5 0

2 years ago

6m/n-3 m=5 and n=8 helpp if u get it right i will put u on brainlist

Tcecarenko [31]

Answer:

The answer is 6

6(5)/8-3=

30/5=

Step-by-step explanation:

4 0

2 years ago

What is 992,449 rounded to the nearest hundred thousand

Mila [183]

Hundred thousand is the first 9, so we will round up to make 1 million.

4 0

2 years ago