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Stells [14]
2 years ago
5

Help me answer these questions

Mathematics
1 answer:
Kobotan [32]2 years ago
7 0

Answer:

4. z = -1

5. x = 3.5 or 7/2

Step-by-step explanation:

4.

-4z + 8 = 7z +14 + 5

-4z + 8 = 7z + 19

8 = 11z + 19

-11 = 11z

-1 = z

5.

6-x/5 = 6-3x+6/3

6-x/5 = 12-3x/3

18 - 3x = 60-15x

-3x = 42 - 15x

12x = 42

x = 3.5 or 7/2

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Step-by-step explanation:

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3 years ago
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Here is a formula for the amount of water needed to cook rice.
malfutka [58]

Answer:

17 cups of water

Step-by-step explanation:

Given:

Amount of water needed to cook rice (w) = 1.5 r + 0.5

Number of cups of rice to be cooked = r

Number of cup needed to cook rice = w

Find:

Number of cups of water needed to cook 11 cups of rice:

Computation:

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We know that , Number of cups of rice to be cooked = r = 11

So,

w = 1.5 r + 0.5

w = 1.5 (11) + 0.5

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5 0
3 years ago
What is 28% of 307<br> Enter your answer as a decimal in the box
Step2247 [10]

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the answer is 85.96

Step-by-step explanation:

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