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1 year ago

PLSS HELP THE TEACHER IS ASKING FOR MY ANSWERS CUZ I WAS SUPPOSED TO DO IT AND I NEVER WAS PREPARED PLSSS HELP IM NEXT

Mathematics

1 answer:

Goshia [24]1 year ago

8 0

Okay!!! What are the questions?

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When Andrew goes bowling, his scores are normally distributed with a mean of 115 and a standard deviation of 11. What is the pro

Masteriza [31]

Answer:

I have no idea. : /

Step-by-step explanation:

7 0

2 years ago

Does x = 5 satisfy the equation 3 (x +1) = 3x + 3

Yuki888 [10]

Answer:

yes

Step-by-step explanation:

To know if x = 5 satisfy the equation or not, you just have to applied it into your equation:

3 (5+1) = 3 * 5 + 3

18 = 18

So x = 5 do satisfy the equation

Hope this help you :3

4 0

3 years ago

What is the length of XZ

Artemon [7]

Answer:

$XZ=13\ units$

Step-by-step explanation:

we know that

In the right triangle of the figure XYZ

Applying the Pythagorean Theorem

$XZ^2=XY^2+YZ^2$

substitute the given values

$XZ^2=12^2+5^2$

$XZ^2=144+25$

$XZ^2=169$

square root both sides

$XZ=13\ units$

6 0

2 years ago

Evaluate the expression 263 + 5 when b = 3.<br> 263 +5 = 2(3): +5<br> =

ExtremeBDS [4]

Given:

The expression is:

$2b^3+5$

To find:

The value of the given expression when $b=3$ .

Solution:

We have,

$2b^3+5$

Substituting $b=3$ in the above expression, we get

$2b^3+5=2(3)^3+5$

$2b^3+5=2(27)+5$

$2b^3+5=54+5$

$2b^3+5=59$

Therefore, the value of given expression at $b=3$ is 59.

7 0

2 years ago

Read 2 more answers

What is (f + g)(x)?<br> f(x) = -2x^2 <br> g(x) = -2x^2 + 9x

andreyandreev [35.5K]

Answer:

-4x^2+9x

Step-by-step explanation:

Adding boh gives

(f+g)(x)=-2x^2+(-2x^2+9x)

=-2x^2-2x^2+9x

=-4x^2+9x

4 0

2 years ago