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natka813 [3]
3 years ago
14

Z^2 - x; use x = 1, and z = 3

Mathematics
1 answer:
elena55 [62]3 years ago
6 0

Answer:

8

Step-by-step explanation:

3^2 = 9 - 1 = 8

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2 / 3 doesn't equal 8..
Anuta_ua [19.1K]

Answer: 2 / 3 = 0.666666666667

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3 years ago
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They were 64 dogs and cats at the pet store. If 25% were cats, how many cats were at the pet store?
noname [10]

Answer:

16 are cats

Step-by-step explanation:

64 x 25%

64 x .25

16

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3 years ago
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Isabelle has $1520 in her bank account and makes automatic $760 monthly payments on a home loan. If she stops making deposits to
Leto [7]

Answer:

After 2 months

Step-by-step explanation:

Isabelle has $1520 in her bank account and she makes automatic $760 monthly payments on a home loan.

If she stops making deposits to that account, then a monthly $760 will be deducted from her account.  

After 1 month the balance in her account will become $[ 1520 - 760 ] = $760 and then after 2 months the balance will become $[ 760 - 760 ] = $0

Therefore, after 2 months her account will have zero balance. (Answer)

6 0
3 years ago
Find the value of the discriminant for <img src="https://tex.z-dn.net/?f=7x%5E%7B2%7D%20%2B5x%2B1%3D0" id="TexFormula1" title="7
kondor19780726 [428]

Answer:

No real roots

Step-by-step explanation:

Given

7x² + 5x + 1 = 0 ← in standard form

with a = 7, b = 5, c = 1

To determine the nature of the roots use the discriminant

Δ = b² - 4ac

• If b² - 4ac > 0 then roots are real and distinct

• If b² - 4ac = 0 then roots are real and equal

• If b² - 4ac < 0 then the roots are not real

Here

b² - 4ac = 5² - (4 × 7 × 1) = 25 - 28 = - 3

Thus the 2 roots are not real

7 0
3 years ago
Just the answer please
nordsb [41]

Answer:b is the right choice hopefully dont be mad if it is wrong

Step-by-step explanation:

3 0
3 years ago
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