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2 years ago

9

Write a set of three numbers that have a GCF of 13.

2 answers:

vitfil [10]2 years ago

6 0

Right now, I can only think 26 and 39.

REY [17]2 years ago

3 0

26, 39, and 52 share a gcf of 13.

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Is the set closed or not closed under operation? Negative Integers under multiplication

Nutka1998 [239]

The set is not closed

Example

-4 * -2 = 8

8 is not a negative integer

8 0

2 years ago

To bake his favorite cake, Farrell must use 1/2 cup of water for each cup of flour. If he uses 3 1/2 cups of flour, how much wat

EastWind [94]

Answer:

The answer is 7

Step-by-step explanation:

3 1/2 ÷ 1/2 = 7

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2 years ago

Find the x-intercepts of the parabola with vertex (1,-108) and y-intercept (0,-105). Write your answer in this form: (X1,y1), (x

Stolb23 [73]

Answer:

(7, 0) and (-5, 0)

Step-by-step explanation:

<u>Vertex form</u>

$y=a(x-h)^2+k$

(where (h, k) is the vertex)

Given:

vertex = (1, -108)

$\implies y=a(x-1)^2-108$

Given:

y-intercept = (0, -105)

$\implies a(0-1)^2-108=-105$

$\implies a(-1)^2=-105+108$

$\implies a=3$

Therefore:

$\implies y=3(x-1)^2-108$

The x-intercepts are when y = 0

$\implies 3(x-1)^2-108=0$

$\implies 3(x-1)^2=108$

$\implies (x-1)^2=36$

$\implies x-1=\pm \sqrt{36}$

$\implies x=1\pm 6$

$\implies x=7, x=-5$

Therefore, the x-intercepts are (7, 0) and (-5, 0)

7 0

1 year ago

2. Convert 4 cups to gallons.

Alecsey [184]

Answer:

4 cups = .25 gallons

6 0

2 years ago

Assume you wanted to save $2,000 to buy a used car 18 months from now. How much money do you need to save every week to accompli

Evgesh-ka [11]

$500 as you take $2000/4 weeks

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2 years ago