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denis23 [38]
3 years ago
14

Factor completely.

Mathematics
1 answer:
Marta_Voda [28]3 years ago
8 0
<span>x^2 - 3x - 28 = </span><span>(x - 7)(x + 4)

answer
first one
</span><span>(x - 7)(x + 4)
</span>
hope it helps
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5. Find the mZABC if<br> ZABD = 35°, ZDBC = 55º.
Reika [66]

Answer:

m\angle ABC=90^o

Step-by-step explanation:

see the attached figure to better understand the problem

we know that

m\angle ABC=m\angle ABD+m\angle DBC ----> by angle addition postulate

substitute the given values

m\angle ABC=35^o+55^o=90^o

5 0
3 years ago
I need help on these 2 problems
KIM [24]

Answer:

The answer to 17 is -8. 2+ = 10 - 12 = -2*4 = -8.

The answer to 18 is 28. 4^2 = 16, 7 + 1 = 9 + 3 = 12, 16 + 12 = 28.

Step-by-step explanation:

3 0
3 years ago
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Step-by-step explanation:

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8 0
3 years ago
Type the formula for the number of combinations of n things taken r at a time.<br><br> C(n, r) =
SOVA2 [1]
Formula: <span><span>
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4 0
3 years ago
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Find the height (h) of the triangle shown.
WARRIOR [948]
B
i think with is the correct ansuer


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