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3 years ago

What is the vertex of the graph?

Mathematics

1 answer:

valentina_108 [34]3 years ago

3 0

The answer is (1,3)

I hope it helped u

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X^(3)+9x^(2)+11x-21=0 solve for x

Art [367]

Answer: three solutions

x = 1

x = -3

x = -7

Step-by-step explanation:

3 0

3 years ago

The shade of marble tile is measured by the amount of light reflected by the tile measured on a scale of 0-255. A perfectly blac

Dafna11 [192]

Answer:

Step-by-step explanation:

Sample data

204.999 206.149 202.102 207.048 203.496 206.343 203.496 206.676 205.831

N=9

Sum, Σx: 1846.14

Mean, μ: 205.12666666667

Variance, s^2: 2.6217475555555

Std dev = s = 1.619

The sample mean follows a t distribtion with df =8

Mean difference = 205.13-204.8 = 0.50

Std error = std dev/sqrt n = 0.540

Test statistic = Mean diff/se = 0.9259

p value = 0.1907 (one tailed at 95%)

Since p >0.05 we accept null hypothesis.

We cannot conclude that the mean shade of Mezza Perla tile (µ) is greater than 204.8

7 0

3 years ago

Avery received $80 in cash for mowing lawns. She did the following with the $80. Put 20% of the $80 into a bank account. Spent 1

PolarNik [594]

Answer:

$48

Step-by-step explanation:

To start off, we know that Avery put 20% of the $80 in her bank account. We can figure out how much 20% of 80 is by multiplying 80 by 20% and then subtracting that number from 80. Remember to switch 20% to its decimal form (20% -> .2).

Step 1) 80 x .2 = 16

Step 2) 80 - 16 = 64

Next, we have to figure out how much 1/4 of the remaining $64 would be. We just simply divide 64 by 4 to figure out how much Avery spent.

Step 3) 64 / 4 = 16

Lastly, since we know Avery spent 16 dollars, we can subtract the 16 from 64 to get our final answer.

Step 4) 64 - 16 = 48

8 0

4 years ago

Five girls participated in

mestny [16]

Answer:

Ella ............> Maria .............> Sarah ............> Marianne .............> Julia

Explanation:

1- For the first given:

Maria finished before Sarah, but behind Ella

So, we can infer that:

Ella finished first, followed by Maria and then Sarah

Ella ............> Maria .............> Sarah

2- For the second given:

Marianne finished before Julia, but behind Sarah

So, we can infer that:

Sarah finished first, followed by Marianne and then Julia

Sarah ............> Marianne .............> Julia

3- Combining the above parts:

By combining what we got from parts 1 and 2, we can deduce that:

Ella finished first, followed by Maria, Sarah, Marianne and finally Julia

Ella ............> Maria .............> Sarah ............> Marianne .............> Julia

Hope this helps :)

4 0

3 years ago

Which expression is equivalent to (2^6×2^2)^2? 2^16 2^24 4^16 4^64

Firdavs [7]

Answer: 2^16

Step-by-step explanation:

5 0

3 years ago