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lakkis [162]
3 years ago
8

Evaluate the algebraic expression w + 2z when w = 12, x = 10, y = 5 and z = 9. A. 35 B. 30 C. 28 D. 23

Mathematics
2 answers:
harina [27]3 years ago
8 0

Answer:

B im sure it s be.....

Step-by-step explanation:

why? becuse i took a quize with ths in it GLAD TO HELP!!!!

snow_lady [41]3 years ago
6 0

Answer:

A.

Step-by-step explanation:

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I’m really bad at math please help
marshall27 [118]

Answer: exact reflection of form on opposite sides of a  line

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5 0
3 years ago
In a random sample of high school seniors, the proportion who use text messaging was 0.88. In a random sample of high school fre
Bond [772]

Answer:

b. 0.02

Step-by-step explanation:

The smaller the p-value, the stronger the evidence that you should reject the null hypothesis. In this case, this will mean rejecting that the proportions are not significantly different.

Usually, a p-value is considered to be statistically significant when p ≤ 0.05.

From the answer options provided, alternative b. 0.02 is the only one that represents the difference in proportions to be statistically significant (there is only a 2% chance that the proportions are not significantly different).

Therefore, the answer is b. 0.02

5 0
3 years ago
Susan drove her car at a constant speed for 3 hours and went 174 miles.
m_a_m_a [10]
I’m not sure what the answer is
6 0
3 years ago
10(-3n + 8) = 380 pls find n
Flauer [41]

Answer:

n = - 10

Step-by-step explanation:

10(-3n + 8) = 380

-30n + 80 = 380

80 - 380 = 30n

30n = - 300

n = - 300 : 30

n = - 10

3 0
3 years ago
Read 2 more answers
Suppose A and B represent two different school populations where A > B and A and B must be greater than 0. Which of the follo
Virty [35]
<span>A+B)^2 is the largest.  It is A^2+2AB+B^2, which is clearly greater than the last two options.  To compare (A+B)^2 and 2(A+B), we remove one A+B so that we're just comparing A+B and 2.  As A+B must be at least 3 (as both must be positive integers, and one must be greater than the other, leading to a minimum value of A=2, B=1), A+B is greater than 2, and as a result, (A+B)^2 is always the largest.</span>
6 0
3 years ago
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