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aleksandrvk [35]
3 years ago
11

Amy simplifed this complex fraction problem. Negative 2 and one-half divided by five-fourths = Negative five-halves divided by f

ive-fourths = negative five-halves (five-fourths) = negative StartFraction 10 over 8 EndFraction. The quotient is negative five-fourths. What errors did Amy make? Select all that apply.
Mathematics
2 answers:
Alona [7]3 years ago
8 0

Answer:

B, C

Step-by-step explanation:

Amy should have flip the numerator and the denominator of the second fraction before multiplying. She also used addition instead of multiplication for the numerators.

Dmitry [639]3 years ago
5 0

Answer:

B,C

Step-by-step explanation:

Amy should have flipped the numerator and the denominator of the second fraction before multiplying. She also used addition instead of multiplication for the numerators.

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Passes through (1,12) and has a vertex (10,-4)
agasfer [191]

Answer: 16/81 (x-10)^2 -4

Step-by-step explanation:

To write a vertex equation with just a point and the vertex, you have to figure out the variables.

In vertex form, the equation is y = a (x-h)^2 + k

Your y is 12, x = 1, h = 10, and k = -4

Plug everything into equation

12 = a (1 - 10)^2 -4

12 = a (-9)^2 - 4

12 = 81a - 4

16 = 81a

16/81 = a

Now you know what the 'a' value is.

If you graph 16/81 (x-10)^2 -4 , you will get a point at (1,12) and a vertex of (10,-4)!

I hope this helps!

3 0
3 years ago
1. Mr. Miller is building a dollhouse
Lina20 [59]

Answer:

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Step-by-step explanation:

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3 years ago
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Alecsey [184]

Answer:

A, C, E, G

Step-by-step explanation:

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3 years ago
What refers to the quantity of goods and services that consumers are willing to buy at a given price?
crimeas [40]

Answer:

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Step-by-step explanation:

Vocabulary question.

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ruslelena [56]
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X intercepts: (9,0), (-12,0)
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