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2 years ago

5

The school van can carry twelve passengers at a time. What is the least number of trips the van must make in order to bring 125

passengers to the same location? PLEASE HELPPP

1 answer:

dimaraw [331]2 years ago

8 0

Answer: 11

<u>Step-by-step explanation:</u>

125 passengers ÷ 12 passengers/trip = 10.4 trips

Round UP to make sure every passenger arrives → 11 trips

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How to find imaginary zeros anf real zeros of F(x)=-4x^5-8x^3+12x

Fofino [41]

Answer:

$x=\{0, -1, 1, -i\sqrt{3}, i\sqrt{3}\}$

Step-by-step explanation:

We are given the function:

$f(x)=-4x^5-8x^3+12x$

And we want to finds its zeros.

Therefore:

$0=-4x^5-8x^3+12x$

Firstly, we can divide everything by -4:

$0=x^5+2x^3-3x$

Factor out an x:

$0=x(x^4+2x^2-3)$

This is in quadratic form. For simplicity, we can let:

$u=x^2$

Then by substitution:

$0=x(u^2+2u-3)$

Factor:

$0=x(u+3)(u-1)$

Substitute back:

$0=x(x^2+3)(x^2-1)$

By the Zero Product Property:

$x=0\text{ and } x^2+3=0\text{ and } x^2-1=0$

Solving for each case:

$x=0\text{ and } x=\pm\sqrt{-3}\text{ and } x=\pm\sqrt{1}$

Therefore, our real and complex zeros are:

$x=\{0, -1, 1, -i\sqrt{3}, i\sqrt{3}\}$

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2 years ago

Which statements are true about number sets? Select all the correct answers

expeople1 [14]

Answer: 1 and 3

Step-by-step explanation:

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2 years ago

Your parents took you family out to dinner. Your parents wanted to give the server 15% tip. If the subtotal of the dinner was 42

kvasek [131]

Answer:

i believe its $6.30

Step-by-step explanation:

You multiply 42 by .15

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2 years ago

Read 2 more answers

Find the value of x in the picture please

nika2105 [10]

The answer is B-40.

It is an acute angle so it can not be 155 but the angle does not look like it is close to being 90 degrees so the answer has to be 40!

Hope this helps(can I get brainliest)

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2 years ago

Solve for x in the ﬁgure below

Ksju [112]

Since angles A and C are equivalent, then angles B and D must also be equivalent. So if
angle B = angle D then...

7x + 15 = 8x

Now we just solve for x

7x + 15 = 8x
15 = 8x - 7x
15 = x

We Can check to see if it is correct by substituting 15 in for x in the equation..

7x + 15 = 8x
7 (15)+15 = 8 (15)
105 +15 = 120
120 = 120

It checks! angles B and D = 120 degrees

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2 years ago