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3 years ago

12/39 in simplest form is 4/13 what are two ways to get there

Mathematics

2 answers:

arlik [135]3 years ago

7 0

Divide 3 on the numerator and denominator.

Hoped this helped.

~Bob Ross®

liubo4ka [24]3 years ago

4 0

There is only one way 12 ÷3=4 and 39÷3=13

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PLEASE HELP, 30 points AND brainliest if I get an explanation :)

Nostrana [21]

Answer:

Please check the explanation.

Step-by-step explanation:

BLUE PENTAGON

The blue shape represents the Pentagon

The length of the side a = 7

As there are 5 sides.

Thus,

The Perimeter of the Blue Pentagon = P = 5a = 5(7) = 35

Using the formula to determine the area of the Pentagon

$A=\frac{1}{4}\sqrt{5\left(5+2\sqrt{5}\right)}a^2\:\:\:\:\:\:\:\:\:\:\:\:\:$

$A=\frac{1}{4}\sqrt{5\left(5+2\sqrt{5}\right)}\left(7\right)^2\:\:\:\:\:\:$

$A\approx 84.3\:\:\:$

Thus,

The Area of the Blue Pentagon = $A\approx 84.3\:\:\:$

RED PENTAGON

The red shape represents the Pentagon

The length of the side a = 4

As there are 5 sides.

Thus,

The Perimeter of the Red Pentagon = P = 5a = 5(4) = 20

Using the formula to determine the area of the Pentagon

$A=\frac{1}{4}\sqrt{5\left(5+2\sqrt{5}\right)}a^2\:\:\:\:\:\:\:\:\:\:\:\:\:$

$A=\frac{1}{4}\sqrt{5\left(5+2\sqrt{5}\right)}\left(4\right)^2\:\:\:\:\:\:$

$\:A\approx 27.5$

The Area of the Red Pentagon = $\:A\approx 27.5$

Conclusion:

The Perimeter of the Blue Pentagon = 35

The Perimeter of the Red Pentagon = 20

Thus, the ratio of the perimeter is: 35/20 = 7/4

The Area of the Blue Pentagon = 84.3 = 843/10

The Area of the Red Pentagon = 27.5 = 275/10

Thus, the ratio of the Area is:

$\frac{\frac{843}{10}}{\frac{275}{10}}=\frac{843}{275}$

7 0

3 years ago

Ace does various odd jobs over the summer on one of his jobs he was paid $81 for a job he completed in nine hours. if he average

Vikentia [17]

He is making $9 an hour bc 81/9=9
9x26=$234
9x35=$315
after working 26 full hours he will have made a total of $234
total earnings:$315

I hope that is what you were looking for!

8 0

3 years ago

Question 16 of 25 Estimate the line of best fit using two points on the line. (20, 62) (10.32) 20 10 20 30 40 50 O A. y = 3x + 2

dezoksy [38]

Answer:

Step-by-step explanation:

im pretty sure its b but if not then c

3 0

3 years ago

Does anyone know what this could be ??

Rzqust [24]

Answer:

The answer is f(-3)= -2(-3)+4

Step-by-step explanation:

you just switch x with -3 because you know the unknown variable now.

3 0

3 years ago

a piggy bank contains $2.00 in nickels and dime. the number of dimes is 5 more than than twice the number of nickels. How many d

skad [1K]

There is 25 dimes in the piggy bank-
I really hope this helped- i’m trying to do the best i can!

6 0

3 years ago