3 years ago

WILL MARK BRAINLIEST!!

Mathematics

2 answers:

gogolik [260]3 years ago

4 0

Graph B because 33.75 divided by 15 is 2.25

Tresset [83]3 years ago

4 0

Answer:

the answer is a

Step-by-step explanation:

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If your Science class eats 168 slices of<br> pizza in 4 hours, how many slices is<br> that per hour?

Ahat [919]

Answer:

42 slices per hour

Step-by-step explanation:

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2 years ago

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Pls help with this question

Andreyy89

Answer:

7.01, 10, 7.1, 12, 7.001, 8, 15

Step-by-step explanation:

Those numbers are all greater than 7

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3 years ago

What are the roots of x in -10x2 + 12x − 9 = 0?

hoa [83]

Answer:

$x_1=\frac{3(2+i\sqrt{6})}{10}$

$x_2=\frac{3(2-i\sqrt{6})}{10}$

Step-by-step explanation:

Use the Quadratic formula:

$x=\frac{-b\±\sqrt{b^2-4ac}}{2a}$

You can identify that, in this case:

$a=-10\\b=12\\c=-9$

Now you need to substitute these values into the formula:

$x=\frac{-12\±\sqrt{12^2-4(-10)(-9)}}{2(-10)}$

$x=\frac{-12\±\sqrt{-216}}{-20}$

Remember that:

$i=\sqrt{-1}$

Therefore,rewriting and simplifying, you get:

$x=\frac{-12\±6i\sqrt{6}}{-20}$

$x=\frac{-6(2\±i\sqrt{6})}{-2(10)}$

$x=\frac{3(2\±i\sqrt{6})}{10}$

Then, you get the following roots:

$x_1=\frac{3(2+i\sqrt{6})}{10}$

$x_2=\frac{3(2-i\sqrt{6})}{10}$

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2 years ago

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Lori gets an offer from another bank that is also paying 6% on CD's, but is compounding interest daily. How much will the $1500

-Dominant- [34]

In 5 years it will be worth 7,500.

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3 years ago

Five members of the soccer team and five members of the track team ran the 100-meter dash. Their times are listed in the table b

Sonbull [250]

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track : (12.3 + 11.2 + 11.7 + 12.2 + 13.7) / 5 = 61.1 / 5 = 12.22

difference is : 12.74 - 12.22 = 0.52 <=

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3 years ago

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