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3 years ago

-2x^2-12x-10 standard form

Mathematics

1 answer:

siniylev [52]3 years ago

4 0

The answer to your question is yes

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Identify the equation of the circle that has its center...

Nat2105 [25]

Answer:

Option C

Step-by-step explanation:

Standard equation:

r^2 = (x-h)^2 + (y-k)^2

Radius: r

Center: (h,k)

Plug the values in.

r^2 = (x+8)^2 + (y-15)^2

Using distance formula, you conclude that the radius is 17 since the distance from (-8,15) to (0,0) is 17.

r^2 = 289

That means option C is the right answer.

289 = (x+8)^2 + (y-15)^2

Please mark for Brainliest!! :D Thanks!!

For any questions or more information, please comment below and I'll respond as soon as possible.

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3 years ago

A restaurant bill is $80. Juan leaves a $20 tip. What percent tip is that?

natita [175]

Answer:

25% is the answer because 25 x 4 = 100% and 20x4= 80

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3 years ago

To determine student's final grade for a math class, Mr. Abbot throws out the lowest test score and takes the average of the rem

Scorpion4ik [409]

First, eliminate the lowest grade (76). Now, find the average/mean of the remaining 4 test grades. To do so, add up all the test grades, then divide them by the total number of test grades:

80+84+91+95=350

350/4=87.5

Hope this helps!!

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4 years ago

I NEED THIS ANSWER QUICK PLEASE!!!!!!!!!!

Ymorist [56]

Answer:

1 + 4 = 5

4/8 +3/8 = 7/8

5 7/8 - 7/8 = 5 inches left on the ground after 3 hours

Step-by-step explanation:

5 0

3 years ago

Permutation:

Kruka [31]

Formula for permutation is:

$\boxed{ \tt^{n} C_{r} = \frac{n!}{r!(n - r)!} }$

<h3>Calculation, </h3>

Plug in the values:

Required number of ways = ²C7

n = 7
r = 5

$\sf \frac{7!}{5!(7 - 5)!}$

$\sf \frac{7 \times 6 \times \cancel{5!}}{ \cancel{5! }\times 2!}$

$\sf \frac{7 \times 6 }{ 2!}$

$\sf \frac{42 }{ 2!}$

$\sf \frac{42 }{ 2} = 21$

Thus, The players can be selected in 21 different ways!!~

3 0

2 years ago

Read 2 more answers