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Kryger [21]
3 years ago
10

Which graph could represent the equation y=-x^2+4?

Mathematics
1 answer:
Sphinxa [80]3 years ago
7 0
J because this is a quadratic function which is shaped like a u upward
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Caleb scored 60 on his first math test. He studied diligently for the next test and earned a score of 90. What is his percent of
Scrat [10]

Your answer would be C. 50%

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3 years ago
Draw the polygon with the given vertices in a coordinate plane.(2,2),(3,712),(8,712),(10,4),(7,0)
Ne4ueva [31]

Answer:

can u give us an online platform to draw it

Step-by-step explanation:

3 0
3 years ago
What is 22 and 7 over 8 in decimal
34kurt
22.875 is the answer
7 0
3 years ago
You and your friend mix water and cirtic acid. You add 3 cups of citrtic acid for every 16 cups of water Your friend adds 2 cups
Vlad [161]

Answer:

A's mixture is more acidic.

Step-by-step explanation:

Given:

Two friends mix water and citric acid.

One (Let A) add 3 cups of citric acid for every 16 cups of water and another (Let B)adds 2 cups of citric acid for every 12 cups of water.

Now, we have to find that whose mixture is more acidic means:-

Solution:

A add 3 cups of citric acid for every 16 cups of water, the ratio = \frac{3}{16}

B adds 2 cups of citric acid for every 12 cups of water = \frac{2}{12}

Now, to find that who mix more citric acid in the mixture, firstly we will equalize the denominator of both fraction by taking LCM so that can be compare easily.

LCM of 16 and 12:- <u>48</u>

16 - 16, 32, <u>48</u>, 64, 80, 96....

12 - 12, 24, 36, <u>48, </u>60, 72.......

For friend A - \frac{3\times3}{16\times3} =\frac{9}{48}

For friend B - \frac{2\times4}{12\times4} =\frac{8}{48}

<em>We found that in terms of 48 cups of water, friend A mixes 9 cups of acid while friend B mixes 8 cups of acid, means A is adding more acid than B and</em> hence friend A's mixture is more acidic.

4 0
3 years ago
Assume the equation has a solution for z.<br> -cz+ 6z = tz + 83<br>z=?​
solong [7]

Answer:

z = 83 / (- c + 6 - t)

Step-by-step explanation:

Given:

-cz+ 6z = tz + 83

z=?​

-cz+ 6z = tz + 83

Collect like terms

-cz+ 6z - tz = 83

Factorize

z(- c + 6 - t) = 83

Divide both sides by (- c + 6 - t)

z(- c + 6 - t) / (- c + 6 - t) = 83 / (- c + 6 - t)

z = 83 / (- c + 6 - t)

5 0
3 years ago
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