3 years ago

Korey states that 7.898898889 is a rational number because it is a repeating decimal

Mathematics

1 answer:

kolbaska11 [484]3 years ago

3 0

Answer:

yes

Step-by-step explanation:

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Find the product. If the result is negative, enter "-". If the result is positive, enter "+". -7(- a2 ) 2 ( -b3 ).

m_a_m_a [10]

Answer:

The product is positive, thus it is $\bold{+7a^4b^3}$

Step-by-step explanation:

The full question in proper notation is:

"Find the product. If the result is negative, enter "-". If the result is positive, enter "+".

$-7(-a^2)^2(-b^3)$ "

We have to work with it using Order of operations know as well as PEMDAS, thus expression inside parenthesis go first and exponents.

On this expression we have to work with exponents

$(-a^2)^2 = (-a^2)(-a^2) =a^4$

Thus we get

$-7(-a^2)^2(-b^3)=-7a^4(-b^3)$

Lastly we can work with multiplication and remembering that the multiplication of two negative signs becomes positive.

$-7(-a^2)^2(-b^3)=7a^4b^3$

So the final simplified expression is $\bold{7a^4b^3}$

5 0

3 years ago

Read 2 more answers

If r is ten more than the square root of l , then r = A) l2 + 10 B) (l + 10)2 C) l + 10 D) l + 10 E) l + 10

stiv31 [10]

Answer:

$r=\sqrt {I}+10$

Step-by-step explanation:

We first need to know the square root of I then add 10 on that square root since r is 10 more than the square root of I

Therefore,

$r=\sqrt {I}+10$

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3 years ago

Landon is building new bookshelves for his bookstore's new mystery section. Each shelf can hold 34 book. There are 1,265 mystery

Gnesinka [82]

You would need 38 shelves, I think.

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3 years ago

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Identify the slope from the points (1,-3) and (4,2) identify the slope for each graph

Aliun [14]

Answer:

First: 1/4

Second: 3/5

Step-by-step explanation:

FIRST:

You can easily solve this problem by creating a slope triangle between the points given.

1 up

———————- = 1/4

4 to the right

SECOND:

To solve for slope with two points, you do y1-y2/x1-x2.

1-4 -3

—— = — = 3/5

-3-2 -5

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3 years ago

What is the value of y in the equation 3(3y − 15) = 0? (1 point) <br> 5<br> 6<br> 7<br> 9

frozen [14]

Answer:

Step-by-step explanation:

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3 years ago