3 years ago

What is the y value

Mathematics

2 answers:

rjkz [21]3 years ago

8 0

You can read this max y-value directly from the graph. It's 4. The vertex of this graph is at (2,4).

Dmitriy789 [7]3 years ago

3 0

It’s 4. The vertex if the graph is at (2,4). Hope this helps you out!

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Help pls ill give Brainlyest to the one who does it step by step.

Elanso [62]

Answer:

12.8% decrease

Step-by-step explanation:

if you find the unit rate for the sale, which would be 125 cents divided by 3 cans, equals around 43.6 cents per can. 43.6 cents is an x% decrease of 50 cents, and to find x easily i multiplied by 2. 43.6 x 2=87.2, and 50 x 2 = 100. that means that the sale price is 87.2 % of the original price, which is a 12.8% decrease.

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2 years ago

Solve x2 + 2x + 9 = 0

Keith_Richards [23]

$x^2+2x+9=0 \\ \\
a=1 \\ b=2 \\ c=9 \\ b^2-4ac=2^2-4 \times 1 \times 9=4-36=-32 \\ \\
x=\frac{-b \pm \sqrt{b^2-4ac}}{2a}=\frac{-2 \pm \sqrt{-32}}{2 \times 1}=\frac{-2 \pm \sqrt{-16 \times 2}}{2}=\frac{-2 \pm 4i\sqrt{2}}{2}=-1 \pm 2i\sqrt{2}$

The answer is D.

8 0

3 years ago

Read 2 more answers

Belinda will earn $46,000 her first year working as an interior designer with annual raises of 10%. What are her total earnings

Musya8 [376]

I believe this is the answer