3 years ago

The sum of 2 times a number and 6 ?

Mathematics

1 answer:

Svetradugi [14.3K]3 years ago

6 0

Can you provide a picture please?

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Is x = -12 a solution of x^2 +10x+25=49?

Tresset [83]

Answer:

Yes

Step-by-step explanation:

${x}^{2} + 10x + 25 = 49 \\ {x}^{2} + 10x + 25 - 49 = 0 \\ {x}^{2} + 10x - 24 = 0 \\ (x + 12)(x -2 ) = 0 \\ \\ x + 12 = 0 \\ x = - 12 \\ \\ \\ x - 2 = 0 \\x = 2$

I hope I helped you^_^

8 0

3 years ago

What is the surface area of this figure?

Gelneren [198K]

Answer:

100 inch

Step-by-step explanation:

Multiply 10 by 10

6 0

4 years ago

LOOK AT THE PICTURE PLEASE QUICK ITS EASY

max2010maxim [7]

Answer:

C or d

Step-by-step explanation:

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3 years ago

Quien quiere ser mi amigo por favor ?<br><br> Cuantos es 5+5

liubo4ka [24]

5+5= 10
por que 5 +5 es diez

7 0

3 years ago

Read 2 more answers

When sample size increases Group of answer choices

Olenka [21]

Answer:

Option A)

Confidence interval decreases

Step-by-step explanation:

If we increase the sample size, then,

The standard error of the interval decrease.
If the standard error increase, the margin of error of the interval decrease.
If the margin of error decreases, the width of the confidence level decreases, hence, the confidence interval become narrower.

Thus, the correct answer is

Option A)

Confidence interval decreases

3 0

3 years ago