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ollegr [7]
4 years ago
15

Use the substitution method to solve the system of equations 8x5y=9 y=x+7

Mathematics
1 answer:
Greeley [361]4 years ago
3 0

Answer:

( − 7.00006693 , − 0.00006693 )    ( 0.68099975 , 7.68099975 )

Step-by-step explanation:

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What was the scale factor? Show how you found your answer.
Slav-nsk [51]

Answer:

2

Step-by-step explanation:

The scale factor is two since it's 2 times bigger than the actual figure.

Proof:

A to B = 4 units

A' to B' = 8 units

A to C = 3 units

A' to C' = 6 units

See how it keeps multiplying by 2.

4 x 2 = 8

3 x 2 = 6.

<em>Ace Carlos</em>

3 0
3 years ago
Write 4 and 1/4 as a percent
solniwko [45]

Answer:

425%

Step-by-step explanation:

4 can be written as 4.00 in decimal form. 1/4 can be written as 0.25 in decimal form. When changing a decimal into a percent, you move the decimal to the right two times. If we move the decimal point in 4.00 twice we get 400. If we move the decimal point in 0.25 twice we get 25. If we add 400 and 25 together, we get 425. Therefore, the answer is 425%. Hope this helped! :)

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3 years ago
Which best describes the incenter of a triangle?
zhannawk [14.2K]
The correct answer of the given question above about the incenter of a triangle is option B. The statement that best describes the incenter of a triangle is that, it is the point where the three angle bisectors of the triangle intersect. In geometry, an incenter of a triangle is described as the triangle center. 
7 0
3 years ago
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In an appropriate environment, guppies reproduce at an astounding rate. A population of breeding guppies quadruples every month.
lapo4ka [179]
The answer is 24,576.

P(x) = P(0) * nˣ
P(x) - the final population after period x
P(0) - the initial population
n - the growth factor in decimal
x - period of time

P(6) = ?
P(0) = 6
n = 4
x = 6 months

P(6) = 6 * 4⁶
P(6) = 6 * 4096
P(6) = 24,567
6 0
3 years ago
Atus
ELEN [110]

Answer:

i  need free points, thank you

Step-by-step explanation:

7 0
3 years ago
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