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andriy [413]
3 years ago
13

How to solve the equation (5-7 (8+4)×2)

Mathematics
1 answer:
xxMikexx [17]3 years ago
5 0

The correct answer is -163

Explanation:

First you calculate within the parentheses; (8+4)= 12: 5-7*12*2

Next you multiply and divide; 7*12 is 84*2 is 168

Then you add and subtract; 5-168 is -163

Hope This Helps!!!

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Which proportion can you use to find the value of a?
Ugo [173]

<u>Given</u>:

The given triangle is a similar triangle.

The length of the hypotenuse is 18 units.

The length of the leg is a.

The length of the part of the hypotenuse is 16 units.

We need to determine the proportion used to find the value of a.

<u>Proportion to find the value of a:</u>

We shall find the proportion to determine the value of a using the geometric mean leg rule.

Applying the leg rule, we have;

$\frac{\text { hypotenuse }}{\text { leg }}=\frac{\text { leg }}{\text { part }}$

Substituting the values of hypotenuse, leg and part, we get;

\frac{18}{a}=\frac{a}{16}

Thus, the proportion used to find the value of a is \frac{18}{a}=\frac{a}{16}

Hence, Option D is the correct answer.

6 0
3 years ago
Find the​ P-value for the indicated hypothesis test with the given standardized test​ statistic, z. Decide whether to reject H0
Leviafan [203]

Answer: We do not reject the null hypothesis.

Step-by-step explanation:

  • When the p-value is greater than the significance level , then we do not reject the null hypothesis or if p-value is smaller than the significance level , then we reject the null hypothesis.

Given : Test statistic : z = -2.28

Significance level : \alpha=0.02

By using the standard normal distribution table ,

The p-value corresponds to the given test statistic ( two tailed ):-

2P(Z>|z|)=2P(Z>2.28)=0.0226

Since the p-value is greater than the significance level of 0.02.

Then , we do not reject the null hypothesis.

8 0
3 years ago
Can someone please help me with this math problem
IrinaK [193]

Answer:

y = 10x + 7

Step-by-step explanation:

5 0
2 years ago
The sum of three times a number d and 5 is 17?
andre [41]

Answer:

3 times 4 + 5 = 17

Step-by-step explanation:

3d+5=17

    -5  -5

________

3d = 12

__  __

3     3

d = 4  

7 0
3 years ago
X
sasho [114]
Yes, because the x doesn’t repeat. The y is not as important so it’s fine if it repeats numbers.
7 0
2 years ago
Read 2 more answers
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