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Brilliant_brown [7]
3 years ago
12

Solve for x in the equation x2 + 4x-4-8.

Mathematics
1 answer:
Arte-miy333 [17]3 years ago
7 0

Answer:

Ox=26+7

Step-by-step explanation:

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I really need help. I need to go to sleep but I also need to finish this first plz help
WITCHER [35]
Since it doesn't give us a specific variable to use I'll just use y. and my phone doesn't have the less than or equal to sign so ill just say how to draw it i guess.
41. y (less than sign with line) 4.
42. y × (-7) > 42
43. y ÷3 - 5 (greater than sign with line) 11

and im not 100% sure on 44 so... anyway you probably know what the greater than or equal to sign and the less than or equal to sign are so. yeah hope it helped.
8 0
3 years ago
If the product of two positive fractions a and b is 15/56, find three pairs of possible values for a and b
Andrews [41]

Answer:

First possible pairs = (3/7)*(5/8) = 15/56

second possible pairs = (3/4)*(5/14) = 15/56

third possible pairs = (1/2)*(15/28) = 15/56

Step-by-step explanation:

According to the question,

a x b = 15/56

three possible pairs will be as follows:

Before proceeding to make possible pairs, we have to know the prime factorization of the numbers -

15 = 1, 3, 5, 15

56 = 1, 2, 4, 7, 8, 14, 28, 56

As we need three possible pairs, we have to check which pairs take us to 15/56. Again, since the fraction is positive, therefore, the fractions will be proper. Therefore, 3/2, or 5/4 will not be counted. Therefore,

First possible pairs = (3/7)*(5/8) = 15/56

second possible pairs = (3/4)*(5/14) = 15/56

third possible pairs = (1/2)*(15/28) = 15/56

fourth possible pairs = (3/8)*(5/7) = 15/56

So, we can get those four possible pairs. Among those, first 3 pairs are different. Therefore, those are possible pairs.

4 0
3 years ago
What is 7 x 4 + 6 - 12 divided by 4
lukranit [14]

Answer:

31

Step-by-step explanation:

Multiply the numbers 7 * 4, which gets your 28.

= 28+6-12/4

Divide the numbers 12/4, which gets you 3

=28+6-3

Add/Subtract the numbers 28+6-3

= 31

8 0
3 years ago
Let f(x) = -2x + 4 and g(x) = 5x - 7. Find f(x) - g(x).
balandron [24]

Answer:

If you are just looking for a simplified answer then the answer is -7x - 3.

4 0
3 years ago
Using the Laws of exponents, simplify the following problem.
den301095 [7]
\frac{4 {}^{4} }{ {4}^{ - 8} ({4}^{ - 14}) } = \frac{4 {}^{4} }{ {4}^{ - 22 } }

(4^4)/(4^-22)
4^(4-(-22))
4^26


Follow my Account.
7 0
3 years ago
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