3 years ago

Factor the expression (30x+15)

Mathematics

1 answer:

lions [1.4K]3 years ago

7 0

Answer: 3(10x+5)

Step-by-step explanation: 30/3=10x + 15/3=5

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posledela

Answer:

8 is the correct answer ...

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2 years ago

Please help in the question it should be if t=-6 when r =-2 its an error

Natasha2012 [34]

Answer:

r = - $\frac{12}{7}$

Step-by-step explanation:

Given that r varies inversely as t , then the equation relating them is

r = $\frac{k}{t}$ ← k is the constant of variation

To find k use the condition t = - 6 when r = - 2, then

- 2 = $\frac{k}{-6}$ ( multiply both sides by - 6 )

12 = k, thus

r = $\frac{12}{t}$ ← equation of variation

when t = - 7, then

r = $\frac{12}{-7}$ = - $\frac{12}{7}$

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3 years ago

Andrea gets a monthly allowance. She first spends a fourth of her money on Target. Then, she spends $5 on food. She has $12 left

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Answer:

Step-by-step explanation:

12 + 5 = 17

17 x 4 = 68

Andrea's monthly allowance is $68.

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2 years ago

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The distribution of average wait times in drive-through restaurant lines in one town was approximately normal with mean \mu = 18

Alekssandra [29.7K]

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3 years ago

Match the function with the graph. a. Y=√ x+4 b. Y=√ x-1 c. Y= √ x-1+4 d. Y=√ x+1

Musya8 [376]

Answer:

c. $y = \sqrt{x - 1} + 4\\$

Step-by-step explanation:

The x-1 is there because you can see that the starting point is 1 left from the y axis, and +4 because it starts four points above the x axis.

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3 years ago