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djverab [1.8K]
4 years ago
13

PLEASE HELP ME!! WILL GIVE BRAINLIEST!

Mathematics
1 answer:
sasho [114]4 years ago
5 0

Answer:

A D F

Step-by-step explanation:

Area of rectangle: 80*45=3600

Area of semi-circle: ((60/2)^2)/2*pi=1413

Total area of grass=3600-1413=2187

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.45 ÷ 10 = ? .45 ÷ 10 = ? A. .45 B. 45 C. .045 D. 4.5
ivann1987 [24]
We have the following expression:
 .45 ÷ 10
 Let's rewrite the expression:
 (45/100) ÷ 10
 Doing double c we have:
 45 ÷ 1000
 Rewriting we have:
 45 ÷ 1000 = 0.045
 Answer:
 
The correct answer is:
 
C. .045
3 0
3 years ago
Simplify: -20w³ + 11w³<br> Enter the original expression if it cannot be<br> simplified.
Ganezh [65]

Answer:

Step-by-step explanation:

Combine like terms

-20w³ + 11w³

-9w^3

6 0
2 years ago
Enter the ratio as a fraction in lowest terms 2 ft to 54 in.
crimeas [40]

Hello!

Ratios are basically fractions, and can simplify as such. 2:54 = 2/54. Just simplify by dividing 2 by 54. (2 / 54 ~~ 1/27) Turn into rate. 1/27 = 1:27.


Thus, 1:27 is the answer.

3 0
4 years ago
PLEASE HELP!! ASAP!!
Archy [21]

Answer:

9.85

Step-by-step explanation:

you can use the Pythagoras theorem

a^2+b^2=c^2

with c the hypotenuse

9^2+4^2=c^2\\\\81+16=c^2\\\\97=c^2\\\\c=\sqrt{97}

which is aprox

9.85

ups sorry :(

7 0
3 years ago
Read 2 more answers
What is the slope of the line that contains the points (-1,2) and (3,3)
motikmotik

Answer:

1/4

Step-by-step explanation:

-1 - 3 = -4, 2 - 3 = -1, swap -4/-1 and because they're both negative their positive, you get 1/4

7 0
3 years ago
Read 2 more answers
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