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MrRissso [65]
3 years ago
10

What number is a common multiple of five and nine?

Mathematics
2 answers:
Ksenya-84 [330]3 years ago
8 0
45 would be the answer to your question
denis-greek [22]3 years ago
4 0

Answer:

45


Step-by-step explanation:


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The perimeter of a rectangle is 96 feet, and the width is 22 feet. What is the length of the rectangle?
DiKsa [7]

Answer:

26 feet

Step-by-step explanation:

The perimeter of a rectangle is 2 times its length and 2 times its width, or 2l+2w=P. Let's plug in the given values for the width and perimeter and solve.

2l+2(22)=96

Simplify.

2l+44=96

Subtract 44 on both sides.

2l+44-44=96-44

Simplify.

2l=52

Divide by 2 on both sides.

\frac{2l}{2} =\frac{52}{2}

Simplify again to find the value of l.

l=26

The length is 26 feet.

Good luck <3

3 0
2 years ago
A computer that originally cost $850 is on sale for 15%off. What is the sale price of the computer show your work
Yakvenalex [24]
If it is on sale for 15%, then you are paying 85% (100-15) of the original price.

To find 85% of 850, you do 850*.85 to get $722.50

Hope this helps
4 0
3 years ago
Read 2 more answers
Amanda reads 15 pages of her 150 page book in 2 hours at this rate how long will it take her to read the entire book
Crazy boy [7]
Ratio and proportion 15 pages/2hours=150 pages/x hours cross multiply 15x= 300 x-20 it will take Amanda 20 hours to read the entire book
3 0
3 years ago
A grower believes that one in five of his citrus trees are infected with the citrus red mite. How large a sample should be taken
kotegsom [21]

Answer: 68

Step-by-step explanation:

Formula for sample size when prior estimate of population proportion (p) is available:  n=p(1-p)(\dfrac{z^*}{E})^2

, where z*= critical-value.

E= Margin of error.

Let p be the population proportion of  trees are infected with the citrus red mite.

As per given , we have

p=\dfrac{1}{5}=0.2

E= ± 0.08

The critical z-value corresponding to 90% confidence level = z*=1.645

Substitute all the values in the above formula , we get

Required sample size  :n=(0.2)(1-0.2)(\dfrac{(1.645)}{0.08})^2

\Rightarrow\ n=(0.2)(0.8)(20.5625)^2

\Rightarrow\ n=0.16(422.81640625)\\\\\Rightarrow\ n=67.650625\approx68 [Rounded to next integer.]

Thus, the minimum sample size should be taken =68

6 0
3 years ago
An angle measures 73.6° less than the measure of its supplementary angle. What is the measure of each angle?
Vladimir79 [104]

Answer:

Smaller angle = 53.2

Larger angle = 126.8

Step-by-step explanation:

Lets say x is the measure of the supplement. Since we know they're supplementary, we know their angle measure sum will equal 180. We can set up our equation like this x + (x-73.6) = 180. Note: (x - 73.6) is the measure of the smaller angle. By solving, we get 126.8 degrees for the measure of the supplement. If we plug in the value of x into (x-73.6), we get 53.2 degrees as the angle measure of the smaller angle.

6 0
3 years ago
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