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ELEN [110]
3 years ago
15

How do i simplify this

Mathematics
1 answer:
LekaFEV [45]3 years ago
6 0

Answer:

60a - 72ab

Step-by-step explanation:

B and C do not work because there is no "c" in the expression

-3(-4a[0-6b+5])

-3(-4a[5-6b])

-3(-20a+24ab)

60a - 72ab

None of the given choices are correct.

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What is the circumference of a circular swimming pool with a diameter of 6 ½ feet? (use 22 over 7 as pi)
trapecia [35]

Answer:

10.21 feet.

Step-by-step explanation:

circumference of circle with diameter d is given by \pi d

where r is the radius of the circle.

_____________________________

given

diameter = 6 1/2 = 13/2 feet

\thus, circumference of circle is calculated as following

circumference = \pi *13/2 = 22/7 * 13/2\\circumference = 11*13/7*2 = 143/14 = 10.21

Thus, circumference of given circle is 10.21 feet.

5 0
3 years ago
The sum of two numbers is 64. The difference between the numbers is 14. Write a system
Anastasy [175]

Answer:

They say that the sum of the two numbers (x and y) is 64, so we can write our first equation by adding them and setting that sum equal to 64:

x + y = 64

The question also tells us that their difference is 14. Similarly to before, we'll just subtract the two numbers and set that difference equal to 14:

x - y = 14

Now from here, you know how to continue with substitution to find the values for x and y. Just remember when you get a word problem to break it down and look for key words like sum, difference, or product, and from there you'll be able to build your system of equations.

8 0
2 years ago
A rental car company is running two specials. Customers can pay $40 to rent a compact car for the first day plus $2 for each add
svp [43]

Answer: 5

Step-by-step explanation:

The equation to solve this problem is 40 + 2x = 25 + 5x

Now, to solve for x you first need to subtract 25 from each side:

15 + 2x = 5x

Next, subtract 2x from each side:

15 = 3x

Finally, divide both sides by 3:

5 = x

Farid is renting the car for 5 additional days.

4 0
3 years ago
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raketka [301]

Answer: chupapi munanyo

Step-by-step explanation:chupapi munanyo

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3 years ago
Derek established his own retirement account 10 years ago. He has discovered that he can obtain a better rate for the next 10 ye
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Answer:

brainly.com/question/10687203

Step-by-step explanation:


7 0
3 years ago
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