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ivolga24 [154]
3 years ago
13

What is 21 divided by 2 + 1 times 5 mines 2 to the fourth power?

Mathematics
2 answers:
ollegr [7]3 years ago
7 0
You should start by putting parentheses around (21÷2) +1(5) - 2⁴
Sever21 [200]3 years ago
3 0

Answer:

IT is 41.5 heres the steps

Step-by-step explanation:

first step 21 divided by 2 = 10.5

Then you do 10.5 + 1 = 11.5  

then you do 11.5 times 5 =  57.5

Then 2 times 2 times 2 times 2= 16

then 16 - 57.5 = 41.5 is your answer

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Triangle PQR and triangle XYZ are similar. The length of PQ= 4 inches, PR = 9 inches and QR = 12 inches. The length of the short
defon

<em><u>Simplified </u></em><em><u>Recap:</u></em>

PQR and XYR are similar.

PQ: 4 inches (shortest side)

PR: 9 inches

QR: 12 inches (longest side)

<em><u>Solving:</u></em>

Because they are similar triangles, we know that the sides of one triangle are proportional to the ones on the other. Therefore, the smallest side of PQR is proportional to the smallest side of XYZ. Now, we just need to figure out the constant of proportionality , and we can do that by dividing the smallest side of XYZ triangle by the smallest side of PQR.

16 \div 4 = 4

Now we know that the constant of proportionality is 4. All we have to do now is solve the problem. The question is asking what the longest side of XYZ is, and to find that we just need to multiply the longest side of PQR by our constant of proportionality.

12 \times 4 = 48

Therefore, our answer is 48.

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2 years ago
X = 37.6 I believe. Am I correct or no?​
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I believe you are correct
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2 years ago
First person to guess my fav color i will mark brainliest answer:)
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I think its either blue, black, or red

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3 years ago
Read 2 more answers
1. Which ratio is equivalent to 3:9?<br> 24.54<br> 18:54<br> 36.81
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The increase in pressure (P) is a linear function of the depth (d) to which a scuba diver descends. This is the function: P(d)=0
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Answer:

Initial value = 14.7

Rate of change = 0.445

Step-by-step explanation:

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2 years ago
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