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Dmitry_Shevchenko [17]
3 years ago
5

Solve the linear system of equations using the linear combination method.

Mathematics
1 answer:
Tamiku [17]3 years ago
3 0

Answer:

a=-2 B=-9

Step-by-step explanation:

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Tems11 [23]
Answer : The statement is false for any value of because the even root function is always positive or

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2 years ago
I’m so confused! Can someone help me with this? Please and thank you!
ludmilkaskok [199]

Answer:

D.

Step-by-step explanation:

1) the domain is x∈[0;+∞);

2) the solution is:

\sqrt{x}\leq 10; \ => \ x\leq 100;

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7 0
2 years ago
What are the zeros of the polynomial function? f(x)=x^3+x^2−9x−9
ella [17]

Answer:

1: x = -1

2: x = 3

3: x = -3

Step-by-step explanation:

f(x)=<u>x^3+x^2</u>−9x−9

f(x)=x^2<u>(</u>x+1) <u>−9x−9</u>

f(x) = x^2<u>(x+1)</u> - 9<u>(x+1)</u>

f(x)= (x+1)<u>(x^2-9)</u>

f(x) =(x+1)(x-3)(x+3)

8 0
3 years ago
Read 2 more answers
BRAINLIEST!!!!!!!!!!!!!!!!!!!
AveGali [126]
The answer is A) reflection over x-axis
5 0
2 years ago
28% of 80 is what number?<br> a. 22.4<br> b. 2.24<br> c. 224<br> d. 24.4
Ratling [72]
X = 28% * 80

x = 28/100 * 80

x = 28/10 * 8

x = 2.8 * 8

x = 22.4


28% of 80 is 22.4.

Your final name is a. 22.4
8 0
3 years ago
Read 2 more answers
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