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elixir [45]
3 years ago
15

HELPPP PLEASE PLEASE Please just help on number 15 16 17

Mathematics
1 answer:
Brums [2.3K]3 years ago
4 0

Answer:

use formaul

Step-by-step explanation:

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Solve the proportion 4/x=8/(x-3)
jenyasd209 [6]

Answer:

x=-3

Step-by-step explanation:

4/x=8/(x-3)

We can solve this using cross products

4 ( x-3) = 8x

Distribute

4x -12 = 8x

Subtract 4x from each side

4x-4x-12 = 8x-12-4x

-12 =4x

Divide each side by 4

-12/4 = 4x/4

-3 =x

4 0
3 years ago
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What value of c makes the equation true? 34 = 6 + 4c
blagie [28]

Answer:

7

Step-by-step explanation:

34-6=28

28/4=7

c=7

8 0
3 years ago
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Can someone please help me? I don't know how to do this. I will mark brainliest! Thanks!
Bezzdna [24]

Answer:

So it gives you a little picture and tells you what would the question be if you had this graph.

Step-by-step explanation:

The correct answer would be B, find the area because the 4x + 3 is your length and 3x is your length, A = length * width. So the answer is B, find the area.

4 0
3 years ago
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What will be the result of substituting 2 for x in both expressions below? One-half x + 4 x + 6 minus one-half x minus 2 Both ex
tiny-mole [99]

Replace x with 2 and solve each equation:

1/2(2) + 4 = 1 + 4 = 5

2+ 6 -1/2(2) -2 = 8-3 = 5

The answer is:

both expressions equal 5 when substituting 2 for x because the expressions are equivalent.

7 0
3 years ago
a group of 48 employees is taking 11 cars to the annual company picnic if each car will be occupied by 4 or 5 employees what i'd
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3 cars will occupy 5 employees and 8 cars will occupy 4 employees.
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