MATHEMATICS MIDDLE SCHOOL

Helppppppppp me please :(

Answers

Answer 1

Answer:

Answer:

12.57cm

Step-by-step explanation:

circumference =2^r

=2×22/7×2

=12.57cm

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An insulated cooler holds 184 ounces of lemonade. How many full 12.4 ounce glasses of lemonade can be poured from the cooler?I'm assuming its 184 divided by 12.4

Answers

You're right, that's the required operation.
$(184)/(12.4)=15.08$
Because they want to know how many glasses can be full, the answer is 15.

Yes, you are right divide 184/12.4 = 14.8 . In this case you will round up because the number after the decimal point is more than five. Your answer will be 15 glasses.

5a+2a(5+—b)= please i need help

Answers

5a + 2a(5 + (-b)) = 5a + 2a(5 - b)

Use the distributive property which states a(b+c) = ab + ac

5a + 10a - 2ab

Simplify like terms

15a - 2ab

I need help with 29 c

Answers

the answer is b becuase my sister had that homework

Lamar and Avalyn are raking leaves around a tree in their backyard. The tree has a diameter of 2 feet and is surrounded by a circle of leaves that is 24 feet in diameter. What is the area in square feet of the ground covered by leaves? Use 3.14 for π.(a) 377.94 ft² (c) 452.16 ft²
(b) 449.02 ft² (d) 530.66 ft²

please help!!!!!

Answers

Answer is (b). 449.02 sqr ft. Total area including tree and leaves will be: π r^2 = 3.14 * (12)^2 = 3.14*144 = 452.16 sqr ft Area of tree: π r^2 = 3.14 * (1)^2 = 3.14*1 = 3.14 sqr ft. So, the area covered by leaves will be: 452.16-3.14 = 449.02 sqr ft

Greta uses 3 cups of pasta fore every 3/4 cup of sauce.how much pasta does she use per cup of sauce

Answers

I may not be correct, but I love fractions, and from what I know.....1/4, hope this helps! ( :

the accountant charged $35 for the first hour of work and $23 for each hour he did after that he earned a totL or $127 how many hours did he work

Answers

He worked 5 hours in total: 35$ for the first hour, + 23 + 23 + 23 + 23 = 127$ for five hours of work.

The amount charged by the account in the first hour = $35
The amount charged by the accountant after first hour = $23
Total earnings of the accountant = $127
Let us assume that he worked for = x hours
then
35 + 23x = 127
23x = 127 - 35
23x = 92
x = 4
So from the above deduction we can conclude that the accountant worked for 4 hours. I hope the procedure is simple enough for you to understand.

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The sum of two rational numbers is rational and the sum of a rational number and an irrational number is irrational what about the sum of two irrational numbers decide whether the sum of two irrational numbers is always rational always irrational or either rational or irrational depending on the case share your