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3 years ago

What is the midpoint of the vertical line segment graphed below? (2,4) (2,-9)

Mathematics

2 answers:

anzhelika [568]3 years ago

7 0

Answer is A

Midpoint

$\frac{x \: a xis}{2} . \frac{y \: axis}{2}$

$\frac{2 + 2}{2} . \frac{4 + ( - 9)}{2}$

$(2. - 2.5 )$

ruslelena [56]3 years ago

4 0

You can use the formula x2-x1 over y2-y1

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Eddi Din [679]

Step-by-step explanation:

a = -52 - b / 4

b = -52 - 4a

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3 years ago

-3(5)^2-(-2)(-8) simplify

avanturin [10]

To do this, we're going to use the order of operations (PEMDAS):

P - Parentheses

E - Exponents

M - Multiplication

D - Division

A - Addition

S - Subtraction

First let's do parentheses, there isn't anythig in parentheses we need to simplify, so we can skip this step.

Next let's look for exponents. I see we have a $5^2$ so let's replace that with $5^2=25$ :

$-3(25)-(-2)(-8)$

Now let's look for multiplcation. We know that things that are right next to eachother in parentheses represent multiplcation, so let's simply this more:

$-3(25)=-75$

$(-2)(-8)=16$

$-75-16$

And now we're left with a simple problem we know how to solve.

Answer: $-91$

Hope this helps!

3 0

3 years ago

Determine whether the point (1, 5) is a solution to the system of equations. Explain your reasoning in complete sentences.

Ivanshal [37]

The solution to any system graphically can be found where the 2 graphs intersect. These two graphs intersect at the point (0, 2).

4 0

3 years ago

Read 2 more answers

What is the length of the cylinder's height? Please help

raketka [301]

Answer:

Height = 9 cm which means Option C is the answer

Step-by-step explanation:

In the question we are given ,

Volume of cylinder = 225π cm³

Radius of cylinder = 5 cm

And , we have to find the height of cylinder .

We know that ,

$\longrightarrow \pink{ \boxed{Volume \: of \: Cylinder = \pi r {}^{2}h }} \longleftarrow$

Our solution starts from here :

$\longmapsto \: \pi \: r {}^{2} h = 225\pi$

Step 1 : Cancelling π with π :

$\longmapsto \: \cancel{\pi} \: r {}^{2} h = 225 \cancel{\pi}$

Step 2 : Substituting value of radius which is 5 cm in the formula :

$\longmapsto \: (5) {}^{2} \times h = 225$

$\longmapsto \: 25h = 225$

Step 3 : Transposing 25 to right hand side :

$\longmapsto \: h = \frac{225}{25}$

Step 4 : Cancelling 225 by 25 :

$\longmapsto \: \red{\boxed{h = 9 \: cm}}$

Henceforth , height of cylinder is 9 cm

<h2 /><h2>#Keep Learning</h2>

8 0

2 years ago

Which statement best describes the polynomial 2x+8?

AleksandrR [38]

A
It is a first degree polynomial (aka linear because its highest power is 1) and it has two terms (2x and 8)
It does not have eight terms and is not a monomial (one term ie 3x^2)

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3 years ago