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AveGali [126]
2 years ago
7

Help with #7 please I don’t understand

Mathematics
2 answers:
krek1111 [17]2 years ago
8 0
So your answer is A.

quester [9]2 years ago
4 0

Answer:

A

Step-by-step explanation:

(2x^2 + 3x - 4) (x + 4)


FOIL.


2x^2 times x = 2x^3

3x times x is 3x^2

-4 times x = -4x

2x^2 times 4 = 8x^2

3x times 4 = 12 x

-4 times 4 = -16


Combine like terms to get 2x^3 + 11x^2 + 8x - 16.

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Find the distance between the pair of parallel lines, y = x-11 & y = x-7
kenny6666 [7]
k:\ y = x-11\ \ \ \Leftrightarrow\ \ \ x-y-11=0\\ and\\ l:\ y = x-7\ \ \ \Leftrightarrow\ \ \ x-y-7=0\\\\the\ distance:\\\\ d(k;l)= \frac{\big{|-11-(-7)|}}{\big{ \sqrt{1^2+1^2} }} =\frac{\big{|-11+7|}}{\big{ \sqrt{2} }} =\frac{\big{|-4|}}{\big{ \sqrt{2} }} =\frac{\big{4\cdot \sqrt{2} }}{\big{ \sqrt{2}\cdot \sqrt{2}  }} =\frac{\big{4 \sqrt{2} }}{\big{2 }} =2 \sqrt{2}
6 0
3 years ago
Read 2 more answers
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Ede4ka [16]

Answer:

divide it then you'll get your answer!

Step-by-step explanation:

8 0
2 years ago
Select the numbers that are odd and prime. *
galina1969 [7]

Answer:

1,3,21,23,35 odd

Step-by-step explanation:

those aren't prime

7 0
2 years ago
I NEED HELP ASAP PLEASE!!!!!!!
Greeley [361]
The 2nd option is correct
3 0
2 years ago
7. Marco is making beaded bracelets. Each
stiks02 [169]

One way to find the least common multiple of two numbers is to first list the prime factors of each number.

8 = 2 x 2 x 2

Then multiply each factor the greatest number of times it occurs in either number. If the same factor occurs more than once in both numbers, you multiply the factor the greatest number of times it occurs.

2: three occurrences

3: one occurrence

So, our LCM should be

2 x 2 x 2 x 3 = 24.

So, Marco can buy, at the very least, 24 beads of each color to have equal colors of beads.

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2 years ago
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