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Lemur [1.5K]
3 years ago
14

Simplify. –2.2 – 3.1 A. 0.9 B. 5.3 C. –5.3 D. –0.9

Mathematics
2 answers:
FrozenT [24]3 years ago
7 0

Answer:

C. -5.3

Step-by-step explanation:

Simply add the negatives straight across to arrive at your answer.

I am joyous to assist you anytime.

Mashcka [7]3 years ago
3 0

Answer: C.-5.3

Step-by-step explanation: I could be wrong

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3 years ago
If y varies directly as x and inversely as z, and y = 32 whe x = 4 and z = 6, find y when x = 10 and z = 26
LuckyWell [14K]

The value of y is 18.46 when x=10 and z = 26

Step-by-step explanation:

The direct proportion is denoted as:

y∝x

And the inverse proportion will be denoted as:

y∝1/z

combining both

y∝ x/z

When the symbol of proportionality is removed, the proportionality constant is introduced

y = k\frac{x}{z}

Given

y = 32 when x=4 and z = 6

Putting the values

32 = k * \frac{4}{6}\\k = 32 * \frac{6}{4}\\k = 8*6\\k = 48

So the equation will become:

y = 48* \frac{x}{z}

Putting x=10 and z= 26

y = 48 * \frac{10}{26}\\y = \frac{480}{26}\\y = 18.4615

Hence,

The value of y is 18.46 when x=10 and z = 26

Keywords: Proportion, variation

Learn more about proportion at:

  • brainly.com/question/4054269
  • brainly.com/question/4163549

#LearnwithBrainly

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Step-by-step explanation:

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Answer: Im struggling to understand this one and im in highschool my brain is melting.

Step-by-step explanation:

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