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3 years ago

Monica is multiplying 8.714 by 1,000. How many places should she move the decimal point?

Mathematics

1 answer:

Rom4ik [11]3 years ago

7 0

How should you write the proportion 9:36 = 10:40 using words?

A. 9 is to 36 as 40 is to 10

B. 9 is to 10 as 36 is to 40

C. 36 is to 9 as 10 is to 40

D. 9 is to 36 as 10 is to 40

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If a=3/6 and b=-3/-5 find -3a+4b

Fiesta28 [93]

Answer:

Step-by-step explanation:

-3(3/6) + 4(3/5)

-3(1/2) + 4(3/5)

-3/2 + 12/5

-15/10 + 24/10

9/10

7 0

3 years ago

Plzzzzz help will give brain and points!!! Explain why a quadratic equation with a positive discriminant has two real solutions,

NISA [10]

Answer:

The given equation is -2x^2 = -8x + 8

This can be rewritten as 2x^2 - 8x + 8 = 0

Here the value of a =2, b = -8 and c = 8

Discriminant = b^2 - 4ac

Now plug in the above values in the discriminant, we get

= (-8)^2 - 4*2*8

= 64 - 64

= 0

Here the discriminant is 0, so we will get one real root.

The discriminant is equal to 0, which means the equation has one real number solution.

Hope this will helpful.

Thank you.

5 0

3 years ago

Solve the following -1/2x(8x +4)

antoniya [11.8K]

Combine like terms to get -4x^2-2x

3 0

3 years ago

Given the polynomial function below, find F(-1).

mrs_skeptik [129]

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$f(x) = - {x}^{3} - {x}^{2} + 1$

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$f( - 1) = - ({ - 1})^{3} - ({ - 1})^{2} + 1 \\$

$f( - 1) = - ( - 1) - (1) + 1$

$f( - 1) = 1 - 1 + 1$

$f( - 1) = 2 - 1$

$f( - 1) = 1$

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The correct answer is (( D )) .

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3 years ago

Luis was in charge of collecting money for a group of charities. He collected

babymother [125]

Answer:

$89 hope it helps.

Step-by-step explanation:

6 0

3 years ago