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Vaselesa [24]
3 years ago
9

100 is 20% of what number?

Mathematics
1 answer:
Rus_ich [418]3 years ago
8 0

Answer:

500

20%=100

100%= 5×100=500 (cause 100 is 20%, and in 100% is five 20% so...)

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Mr. Smith works on a temporary basis. The mean length of each job he gets is three months. If the amount of time he spends betwe
Eduardwww [97]

Answer:

Mr Smith gets a new job, every 5 months on the average.

Step-by-step explanation:

Mr Smith spends an average of 3 months on every job he gets.

Then he spends an average of 2 months in between jobs.

Meaning, on the average, if he has a job, he does it for 3 months, then leaves, lends the next 2 months without a job, then gets another job at the end of the 2 months without a job and then he repeats the cycle of 3 months on the job, 2 months without the job.

So, on the average it takes Mr. Smith, (3+2) months to get a new job.

6 0
3 years ago
PLS HELP WILL GIVE BRAINLIEST
wlad13 [49]

Answer:

32 percent

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7 0
2 years ago
Find out the area and perimeter of circle of radius 7cm
lutik1710 [3]

Answer:

area =  \frac{\pi}{4}  \times  {r}^{2}  \\  =  \frac{\pi}{4}  \times  {7}^{2}  \\  =  \frac{\pi}{4}  \times 49 \\  = 38.48451000647 \: cm \: ans......

4 0
2 years ago
Read 2 more answers
Factor completely: X^3-5x^2-9x+45
lesantik [10]

Answer:

x^2(3x-5)-9(x_5)

I think that is the answer and hope you will benefit from it

4 0
3 years ago
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Select the postulate or theorem that you can use to conclude that the triangles are similar.
insens350 [35]

Answer: SAS similarity postulate

Step-by-step explanation:

According to SAS postulate of similarity, two triangles are called similar if two sides in one triangle are in the same proportion to the corresponding sides in the other, and the included angle are congruent.

In triangles, QNR and MNP,

\frac{QN}{MN} = \frac{QM+MN}{MN} = \frac{10+8}{8} = \frac{18}{8} = \frac{9}{4}

\frac{NR}{NP} = \frac{NP+NR}{NP} = \frac{10+8}{8} = \frac{18}{8} = \frac{9}{4}

\implies \frac{QN}{MN} = \frac{NR}{NP}

Also,

\angle QNR\cong \angle MNP  (Reflexive)

Thus, By SAS similarity postulate,

\triangle QNR\sim\triangle MNP

⇒ Option first is correct.

8 0
3 years ago
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