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natita [175]
3 years ago
14

What is 2+2×2 ? it is little test for your math skills :)​

Mathematics
1 answer:
mr_godi [17]3 years ago
8 0

Answer:

8

Step-by-step explanation:

2+2=4

4*2=8

DONE!!!!!!

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R of breaths of all people in asia in 2016? Expressing your answer in scinentific notation in the form a *10^(b) what are the va
Andrew [12]

Answer:

a = 3.7464

b = 16

Step-by-step explanation:

Given

See attachment for complete question

Required

Express the answer in a * 10^b

From the question, we have:

People = 4.46 * 10^9

Breath = 8.4 * 10^6 breath/person in a year

The number of breath is calculated by:

Overall = People * Breath

So, we have:

Overall = 4.46 * 10^9 * 8.4 * 10^6

Reorder

Overall = 4.46  * 8.4* 10^9 * 10^6

Overall = 37.464* 10^{9+6}

Overall = 37.464* 10^{15}

Using scientific notation a * 10^b;

The value (a) must be in the following interval 0 \le a \le 1

So, we have:

Overall = 3.7464 * 10 * 10^{15

Overall = 3.7464 * 10^{16

By comparing the above with: a * 10^b

a = 3.7464

b = 16

7 0
3 years ago
For a school fundraiser, Elena will make T-shirts. She will order T-shirts and print graphics on them. Elena must spend $350 on
daser333 [38]

Answer:

Elena can make 150 t-shirts

Step-by-step explanation:

  1. Find the amount <em>after </em>she buys the printing machine. $1,175-$350=$825
  2. Divide by the cost per t-shirt $825÷$5.50=150 t-shirts
  3. Final answer: 150 t-shirts
7 0
3 years ago
Referring to the figure, find the unknown
yulyashka [42]

Answer:

19

Step-by-step explanation:

45-45-90 triangles always have two legs that are the same length, and a hypotenuse that is the length of the leg times sqrt 2.

Given the position of x, we know it is a leg and must be equal to the other leg, which is 19.

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