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Sveta_85 [38]
2 years ago
13

1.

Mathematics
2 answers:
Degger [83]2 years ago
7 0

Answer: The answer is letter B or letter D

D. quadratic function; quadratic term: −18x2; linear term: −21x; constant term: −6

Step-by-step explanation:  Find the degree of the function to determine if linear.  f ( x ) =  − 18 x 2 − 21 x − 6  is not a linear function

Expand the polynomial using the FOIL method.  f ( x ) =  − 18 x 2 − 21 x − 6

MrMuchimi2 years ago
3 0

Answer:

D

Step-by-step explanation:

Got it right on test

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Which equation is rewritten in vertex form?
Zinaida [17]
(x + 3)^2 + (x + 4)^2 
= x^2 + 6x + 9 + x^2 + 8x + 16
= 2x^2 + 14x + 25
= 2(x^2 + 7x) + 25
= 2[(x + 7/2)^2  - 49/4] + 25
= 2(x + 7/2)^2 - 98/4 + 25
= 2(x + 7/2)^2 + 1/2


Its B

7 0
2 years ago
Will mark brainliest for whoever answers correctly
siniylev [52]
I think it is D:{5,-infinity}
6 0
2 years ago
A calculator screen displays 9.837E8. Write this number in standard form.​
natta225 [31]

Answer:

983,700,000

Step-by-step explanation:

plz mark helpful, give 5 str, and mark brailliest!!! thx!

6 0
3 years ago
Read 2 more answers
Find YW. YW = _<br><br> I just need the answer for YW no explanation needed.
KATRIN_1 [288]

Answer:

YW=20\ units

Step-by-step explanation:

we know that

In a parallelogram the diagonals bisect each other

The figure XYZW is a parallelogram

so

VW=VY

VX=VZ

<em>Find the value of b</em>

VW=VY

substitute the given values

b+8=5b

solve for b

5b-b=8\\4b=8\\b=2

Find the length of YW

YW=YV+VW ----> by addition segment postulate

YW=5b+b+8

substitute the value of b

YW=6(2)+8=20\ units

8 0
3 years ago
Help me plsssssssssssss
Zinaida [17]

Answer:

40mph

Step-by-step explanation:

(60mph+20mph)/2

40

7 0
3 years ago
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