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3 years ago

15

There were 250 students attending a socon basketball game each row have 15 students how many rows are completely full how many s

tudents are in each are in an incomplete row

1 answer:

dmitriy555 [2]3 years ago

3 0

Answer:

16.6

Step-by-step explanation:

If you divide you will get that answer

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Valerie earns $24 per hour. Which expression can be used to show how much money she earns in 7 hours?

GuDViN [60]

B. because you are still multipying they just broke it down (7*24)= 168 , and b also = 168

8 0

3 years ago

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Give all solutions if the nonlinear system of equations, including those with no real complex components.

konstantin123 [22]

$\left\{\begin{array}{ccc}y=x^2+6x\\4x-y=-24\end{array}\right\\\\substitute:\\\\4x-(x^2+6x)=-24\\\\4x-x^2-6x+24=0\\\\-x^2-2x+24=0\\\\a=-1;\ b=-2;\ c=24\\\\\Delta=b^2-4ac$

$\Delta=(-2)^2-4\cdot(-1)\cdot24=4+96=100\\\\x_1=\frac{-b-\sqrt\Delta}{2a};\ x_2=\frac{-b+\sqrt\Delta}{2a}\\\\\sqrt\Delta=\sqrt{100}=10\\\\x_1=\frac{2-10}{2\cdot(-1)}=\frac{-8}{-2}=4;\ x_2=\frac{2+10}{2\cdot(-1)}=\frac{12}{-2}=-6\\\\y_1=4^2+6\cdot4=16+24=40;\ y_2=(-6)^2+6\cdot(-6)=36-36=0\\\\Answer:\\x=4\ and\ y=40\ or\ x=-6\ and\ y=0$

4 0

3 years ago

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21) Jim and his uncle went to the circus. Together they spent

SCORPION-xisa [38]

3/30 or 1/10 or $3
There all the same answer just different ways
The first one is unsimplified The second one is simplified The last one is in money form

3 0

3 years ago

A shirt has an original price of $19.75. If the shirt is marked 25% off and there is a 7.75% tax, how

Bumek [7]

Answer: 4.90 im not 100 percent sure

Step-by-step explanation:

To find the actual discount, multiply the discount rate by the original amount 'x'. To find the sale price, subtract the actual discount from the original amount 'x' and equate this to given sale price.

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3 years ago

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How do you find the radius of a circle with a circumference of 12pi

sergejj [24]

Answer:

6

Step-by-step explanation:

The circumference of a circle is $2\pir$ $\pi r$ , so $12\pi=2\pi r\\12=2r\\r=6$ . We can use this because the area of a circle is $\pi r^2$ . Thus, $\pi*6^2=36\pi$ .

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3 years ago