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3 years ago

I need help with this plss

Mathematics

1 answer:

baherus [9]3 years ago

8 0

Answer:

2.4 cm.

Step-by-step explanation:

1. Find Midpoint of segment AB which is 10/2 = 5.

2. Find Midpoint of segment BC which is 5.2/2 = 2.6.

3. Subtract both midpoints 5 - 2.6 = 2.4.

That's pretty much it, Hope it helps!

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Consider the quadratic function:

sdas [7]

Answer:

Step-by-step explanation:

I'm not sure how you are finding this in class, but the easiest way by far is to use the expressions for h and k:

$h=\frac{-b}{2a}$ and

$k=c-\frac{b^2}{4a}$

(Just a fun fact: Those expressions come from the quadratic formula that help us to factor a quadratic equation.)

Filling in for h:

$h=\frac{-(-8)}{2(1)}$ simplifies to

$h = \frac{8}{2}=4$

Filling in for k:

$k=-9-\frac{(-8)^2}{4(1)}$ which simplifies a bit to

$k=-9-\frac{64}{4}$ which simplifies a bit more to

$k=-9-16=-25$

The vertex, then, is (4, -25).

You would also find this if you completed the square. But again, I'm not sure how you're solving for the vertex in class.

8 0

3 years ago

Please help!!!!!!!!!!!!!!!

disa [49]

Answer:

150

Step-by-step explanation:

1 box is 5 x 5 which=25 x 6 boxes=150

150 squared is your answer

6 0

3 years ago

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4. Evan filled up his car with 18.2 gallons of gas at $2.89 per gallon. Using estimation, was he able to fill his car for less t

Airida [17]

Yes, because if you estimate, you get $52. Hope I helped, and have a great day! :-):

8 0

3 years ago

How do you graph -y <= 3x

Leya [2.2K]

I'm not good at graphing, but desmos.com is an online graphing calculator that works really well.

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3 years ago

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A system of equations is shown below,

Vikki [24]

Answer: No solution
Step by step:
10x-2(5x+2)=12
10x-10x-4=12
0x=16
No solution

4 0

3 years ago