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natulia [17]
3 years ago
6

(5.2×10−2)×(8.0×10−4)= 

Mathematics
2 answers:
Digiron [165]3 years ago
4 0
3800. go to math papa.

r-ruslan [8.4K]3 years ago
3 0
<span>(5.2×10−2) × (8.0×10−4) = 3800.

</span>
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A park has a large circle painted in the middle of the playground area. The circle is divided into 444 equal sections, and each
balu736 [363]

Answer:

The area of each section of the circle is A=25\pi\ m^{2}

Step-by-step explanation:

we know that

Each section represent a quarter of circle

The area of a quarter of circle is equal to

A=\frac{1}{4}\pi r^{2}

we have

r=10\ m

substitute

A=\frac{1}{4}\pi (10)^{2}

A=25\pi\ m^{2}

7 0
3 years ago
Math 7a using number sense to solve equations
Anika [276]
Simple...

you have: \frac{n}{3} =12&#10;

and

\frac{n}{3} =-12

To solve for....\frac{n}{3} =12

Multiply to remove the denominator-->>

3*  \frac{n}{3} =12*3

n=12*3

n=36

Then-->>>

\frac{n}{3} =-12

Do the same thing-->>

3* \frac{n}{3} =-12*3

n=-12*3

n=-36

Thus, your answer.



6 0
3 years ago
A recent survey suggests that 85% of college students have a job, 54% live on campus, and 42% have a job and live on campus. Wha
OLga [1]

\frac{97}{100} probability that a randomly chosen college student either has a job or lives on campus.

What is probability?

  • Probability is an area of mathematics that deals with numerical descriptions of how probable an event is to occur or how likely a statement is to be true.
  • The probability of an event is a number between 0 and 1, where 0 denotes the event's impossibility and 1 represents certainty.

To find the probability that a randomly chosen college student either has a job or lives on campus:

Given: 85% of college students have a job, 54% live on campus, and 42% have a job and live on campus.

So, out of 100 students, 42 students either has a job or live on campus.

43 college students have a job and 12  live on campus.

So, 43 + 42 + 12 = 85 + 54 - 42

85 + 12 = 139 - 42

97 = 97

Therefore, \frac{97}{100} probability that a randomly chosen college student either has a job or lives on campus.

Know more about probability here:

brainly.com/question/24756209

#SPJ4

3 0
2 years ago
Danny by 22 sport Jai for soccer team they are also for 30 prices of perjury Denis paid $18.70 for the 22 portrait what question
Furkat [3]
No it doesn’t actually it equals -7.7
8 0
3 years ago
An electrician bought 120 feet of electrical wire and used 105 feet of it. What percent of the wire went unused? 15% 12. 5% 8. 7
Yuri [45]

Answer:

12.5%

Step-by-step explanation:

105 is what percent of 120?

you can use this proportion:

if/of = %/100

in this problem:

is = 105

of = 120

'what percent' = p/100

105/120 = p/100

cross-multiply to get:

120p = 10500

p = 10500/120

p = 87.5

So the electrician used 87.5%, out of 100%, meaning 12.5% went unused

5 0
3 years ago
Read 2 more answers
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