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nataly862011 [7]
3 years ago
11

Solve for n. 1–3n= – 9+n+2

Mathematics
1 answer:
iris [78.8K]3 years ago
3 0

Answer:

Step-by-step explanation:

1-3n=-9+n+2 ---> -3n-n=-1+-9+2 --> -4n=-8 ---> n=2

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Find the area and perimeter of triangle ABF with F(-3,0), A(1,3), and B(7,-5)
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Answer:

Step-by-step explanation:

The area would be 25 square centimeter

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3 years ago
jeanine Baker makes floral arrangements. She has 13 different cut flowers and plans to use 7 of them. How many different selecti
Ksju [112]

A total of 1,716 selections of the 7 flowers are possible.

Step-by-step explanation:

Step 1:

There are 13 flowers from which Jeanine Baker plans to use 7 of them.

To determine the number of selections that are possible we use combinations.

The formula for combinations is; ^{n} C_{r}=\frac{n !}{(n-r) ! r !}.

Step 2:

In the given formula, n is the total number of options and r is the number of options to be selected.

For this question, n = 13 and r=7.

So ^{13} C_{7}=\frac{13 !}{(13-7) ! 7 !} = \frac{13 !}{(6) ! 7 !} = 1,716.

So a total of 1,716 selections are possible.

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3 years ago
Ace_santiago
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3 years ago
The graph of the function f(x) = (x − 3)(x + 1) is shown.
Nutka1998 [239]
Option A. All the real values of x where x < -1

Procedure
Solve the inequality:
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1) When both factors >0
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2) When both factors <0
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You can recognize that the function given is a parabola and, because the coefficient of the quadratic term is positive, the parabola opens upward. Then the function is decreasing in the  first interval and increasing in the second interval.
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3 years ago
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I u asnwer this u are gay
Alborosie

Answer:

well I mean I already am gay well I'm really lesbian so take that!

6 0
3 years ago
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