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ella [17]
2 years ago
13

What are all the factors of 87? what are all the factor pairs for 87??

Mathematics
1 answer:
rusak2 [61]2 years ago
4 0
The Factors are 1,3,29,87
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Which equation involves a prime quadratic and cannot be solved by factoring? A. x2 + 6x + 9 = 0 B. x2 − x − 6 = 0 C. x2 + 3x − 4
Hitman42 [59]

The answer is D, because the others can be solved. A when factored is equal to -3, when B is factored it is equal to 3,-1, when C is factored it is 1,-4. D can be solved but you will only get irrational numbers which can't be used.

4 0
3 years ago
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Here’s another way to think about the number line model for 2 – (-3): if we were adding 2 + (-3), we’d first move two units to t
CaHeK987 [17]

Subtracting -9 from any number is the same as

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7 0
3 years ago
What are the solutions to the system of equations?
bogdanovich [222]

Answer:

(0, - 3 ) and (- 1, - 5 )

Step-by-step explanation:

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y = 4x² + 6x - 3 → (1)

y = 2x - 3 → (2)

Substitute y = 4x² + 6x - 3 into (2)

4x² + 6x - 3 = 2x - 3 ( subtract 2x - 3 from both sides )

4x² + 4x = 0 ← factor out 4x from each term

4x(x + 1) = 0

Equate each factor to zero and solve for x

4x = 0 ⇒ x = 0

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Substitute these values into (2) for corresponding values of y

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x = - 1 : y = 2(- 1) - 3 = - 2 - 3 = - 5 ⇒ (- 1, - 5 )

5 0
2 years ago
HELP!! I DON'T KNOW WHAT TO DO
Kay [80]
3 1/4 cups for 13 servings...
(3 1/4) / 13 =
13/4 * 1/13 =
13/52 which reduces to 1/4 cup per serving

for 28 servings...
1/4 * 28 = 28/4 = 7 cups <== 28 servings requires 7 cups of flour
3 0
3 years ago
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Plz help me this is hard for me​
MaRussiya [10]

Answer:

it is so simple lol

Step-by-step explanation:

just know that that angle is 90 degrees which means that you should do 90-41

8 0
3 years ago
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