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zloy xaker [14]
3 years ago
15

Check/correct my work please! Working with polynomials and stuff.

Mathematics
1 answer:
OLEGan [10]3 years ago
8 0
1. (b+2)(b+2)=b^2 +4b + 4  (FOIL)
2.  FOIL;  x^2 + 6x + 9
3.  correct
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6. Lily and Sara each had an equal amount of money at first. After Lily
kiruha [24]
X-18 = 2 (X-25)
x-18 = 2x - 50
-18 = x - 50
32 = x

check
32-18 = 14 = 2(32-25) = 2*7
32 is the answer
8 0
3 years ago
Read 2 more answers
f^3+11g-4hf 3 +11g−4hf, cubed, plus, 11, g, minus, 4, h when f=3f=3f, equals, 3, g=2g=2g, equals, 2 and h=7h=7h, equals, 7.
Alik [6]

Given:

The expression is:

f^3+11g-4h

The given values are f=3,\ g=2,\ h=7.

To find:

The value of the given expression for the given values.

Solution:

We have,

f^3+11g-4h

After substituting f=3,\ g=2,\ h=7, we get

f^3+11g-4h=(3)^3+11(2)-4(7)

f^3+11g-4h=27+22-28

f^3+11g-4h=49-28

f^3+11g-4h=21

Therefore, the value of the given expression is 21.

8 0
3 years ago
Which of the 4 options is a function?<br> Need help quick
mafiozo [28]

I believe the answer is B.

3 0
3 years ago
I need help with these two questions
kaheart [24]

Answer:

The answer to 9 is table A

Step-by-step explanation:

The table has the value of x as -4 in two different spots, therefore it would fail the vertical line test. You could change one of the two values with -4 to anything but -4

3 0
3 years ago
Find the surface area of the cone
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32.2 is the answer
hope it helps
8 0
3 years ago
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