3 years ago

Solve for the value of z. (52-6) (22+5)

1 answer:

7 0

Answer: 52-6=46 and 22+5=27 if you have to add the sums together then the final is 73 but if you subtract the sums then the final is 19

Step-by-step explanation:

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4. How many real-number solutions does the equation have?

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AURORKA [14]

Set up a proprtion and cross multiply.

18/7.5=22/4x+1

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3 years ago

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Is 2/5 + 1/2 about 1 explain

Lapatulllka [165]

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3 years ago

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X varies directly as y. If x is 9 when y is 4, find x when-y is 8.

jeka94

Answer:

see explanation

Step-by-step explanation:

Given x varies directly as y then the equation relating them is

x = ky ← k is the constant of variation

To find k use the condition x = 9 when y = 4

k = $\frac{x}{y}$ = $\frac{9}{4}$ = 2.25

x = 2.25y ← equation of variation

When y = 8, then

x = 2.25 × 8 = 18

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3 years ago