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Sladkaya [172]
2 years ago
9

20 POINTS

Mathematics
1 answer:
zysi [14]2 years ago
6 0

Answer:

I think they are all letter A

Step-by-step explanation:

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PLZ I NEED HELP NOW!!!!!!!!!!!!!!!!!!!!
seropon [69]

Answer:

H, 20%

Step-by-step explanation:

960/4,800 = 20/100

8 0
3 years ago
Use the key features of the polynomial f(x) = −4x4 + 4x3 + 9x2 − 12x + 10 to describe its end behavior.
Aleks04 [339]

Answer:

The end behavior of a polynomial is determined by its grade, if it's an odd polynomial or an even polynomial. Also, another important characterstic is the leading coeffcient, because if it's positive, then the function will open to positive territory, this apply the most to even polynomials.

The given expression is

f(x)=-4x^{4} +4x^{3}+9x^{2}  -12x+10

As you can notice, the polynomial function has a grade of 4, that means it's an even function, with negative leading coefficient.

Therefore, the given function open towards negative side, that means it's end behavior is downside.

The image attached shows the graph of the function, there you can observe the end behavior we determined.

3 0
2 years ago
Help plz plz will mark brainliest
12345 [234]

Answer:

x = 52°

Acute angle = 64°

Step-by-step explanation:

Problem 1:

Since DN bisects <BDW, this means that m<BDN = m<NDW

Thus:

5v - 8 = 4v + 4

Collect like terms

5v - 4v = 8 + 4

v = 12

x = m<BDN = 5v - 8

x = 5v - 8

Plug in the value of v

x = 5(12) - 8

x = 52°

Problem 2:

First, find the value of y

(4y - 44) + (3y + 35) = 180 (linear pair)

4y - 44 + 3y + 35 = 180

7y - 9 = 180

7y = 180 + 9

7y = 189

Divide both sides by 7

y = 27

Acute angle = 4y - 44

Plug in the value of y

Acute angle = 4(27) - 44 = 64°

6 0
2 years ago
How do I solve this question ?
Phoenix [80]

Answer:

x=37 CD=20

Step-by-step explanation:

We know this becuase the two triangles are congruent.

3 0
2 years ago
I need help with algebraic fractions
GaryK [48]

Answer:

\frac{4x(x+1)}{2(x^2-1)}

\frac{4x(x+1)}{2(x-1)(x+1)}

\frac{2x}{(x-1)}

Step-by-step explanation:

4 0
2 years ago
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