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Roman55 [17]
3 years ago
7

Easy area problem Need fast

Mathematics
1 answer:
devlian [24]3 years ago
3 0

Answer:

48 ft²

Step-by-step explanation:

The area of the green shaded part will be :

Area of the entire rectangle green shape assumed complete minus the area of the removed parts{ small rectangle  + triangle }

<u>Area of the entire rectangle green shape assumed complete</u>

Area= length * width

A= l*w

A= 5ft * 12 ft = 60 ft²

<u>Area of small rectangle removed part</u>

2 * 3 = 6 ft²

<u>Area of the triangle removed</u>

A= 1/2 * b * h

A= 1/2 * 3 * 4

A= 6 ft²

<u>Area of the outdoor carpet needed for the hole</u>

<u />

60-{6+6}

60 -12 = 48 ft²

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GaryK [48]

Answer:

the correct answer is 3

Step-by-step explanation:

just took it on edmentum

5 0
3 years ago
The area of circle B is 45x ____. The ratio of circle A to Circle B
Leokris [45]

Answer:

<h3>a) 3/4</h3><h3>b) 4:3</h3>

Step-by-step explanation:

Find the diagram attached.

Given the scale factor of circle A to circle B as 3/4

A:B = 3:4

Total ratio = 3+4 = 7

Area of bigger square A = 45sq. units;

The Total area can be gotten using the expression;

\frac{4}{7} \times x = 45 where;

x is the total area of both circles.

Get x;

\frac{4}{7} \times x = 45\\4x = 7 \times 45\\4x = 315\\x = \frac{315}{4}\\x =  78.75

Area of circle B = 78.75 - 45 = 33.75

Let the fraction required be y

45 * y = 33.75

y = 33.75/45

y = 3375/4500

y = 45/60

y = 3/4

Hence the area of circle B is 45 * <u>3/4</u> of circle A

b)The ratio of circle A to Circle B is expressed as;

Ratio = Area of circle A/Area of circle B

Ratio = 45/33.75

Ratio = 45 * 100/3375

ratio = 4500/3375

Ratio = 4:3

Hence the ratio of circle A to Circle B is 4:3

6 0
3 years ago
Ryan solved the problem above. He says there are 6 groups of 6 students and 1 group of 5 students . What did Ryan do wrong?
scZoUnD [109]

Answer:

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4 0
3 years ago
-30+2r=4(4r-4) How do you work this problem out
Ipatiy [6.2K]
Ok so you got -30+2r=4(4r-4)
You distribute and get -30+2r=16r-16
Then you subtract 16r on both sides to get -30-14r=-16, then you add 30 on both sides and get -14r=14 then divide both sides by -14 to get r by itself, so the answer is r=-1
7 0
3 years ago
Read 2 more answers
6th grade math helppp​
SIZIF [17.4K]

Answer:

$40.00

Step-by-step explanation:

  1. 4.00 + 2.00 + 1.50 + 2.50 = 10.00
  2. Because there are 4 people: 10 × 4 = 40.00

I hope this helps!

6 0
3 years ago
Read 2 more answers
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