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3 years ago

Solve the equation -3y=15

Mathematics

2 answers:

KonstantinChe [14]3 years ago

6 0

Answer:

Y= -5

Step-by-step explanation:

Divide both sides by -3

15 divided by -3 equals -5

Y= -5

Shkiper50 [21]3 years ago

5 0

Answer:

y=-5

Step-by-step explanation:

-3y=15

-3y/-3=15/-3

y=-5

Hope this is right .-.

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What is the sum of an infinite geometric series if a1 = 144 and r = 1⁄4?

Brilliant_brown [7]

Answer:

Step-by-step explanation:

The sum to infinity of a geometric sequence is

sum to infinity = $\frac{a_{1} }{1-r}$

here $a_{1}$ = 144 and r = $\frac{1}{4}$ , hence

sum = $\frac{144}{1-\frac{1}{4} }$

= $\frac{144}{\frac{3}{4} }$

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lbvjy [14]

Answer:

4.61% increase (round up as needed)

Step-by-step explanation:

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3 years ago

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inna [77]

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3 years ago

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3 years ago

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ddd [48]

-8 + 7y = - 18
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y =10/7

Substitute y = 10/7 into first equation
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3 years ago

Solve the equation -3y=15​

Solve the equation -3y=15