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IRINA_888 [86]
3 years ago
7

How can areas of composite 2-D figures be found using simple 2-D shapes?

Mathematics
1 answer:
tino4ka555 [31]3 years ago
6 0

Answer:

hmm length x breadth... I'd simple formula

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Interest earned:$45 Principal: ? Interest rate: 3% Time: 2 years
Yakvenalex [24]

Answer:

The Principal = $75,000

Step-by-step explanation:

Formula for finding the principal:

I × 100/ R × T

Therefore;

Principal = 45 × 100 / 3/ 100 × 2

=  \:  \frac{45 \times 100}{ \frac{3}{100}  \times 2}  \\  =  \frac{4500}{ \frac{3}{50} } \\  = 4500 \times  \frac{50}{3}  \\  = 1500 \times 50 \\  = 75000.00

Which means that the Principal is $75,000.00

8 0
3 years ago
Helpppppppppp there are 2 pics attached
fiasKO [112]

Answer:

Option A

Option B

Option E

Option G

Option A and E go together

and

Option B and G go together.

4 0
3 years ago
3/4 (2a − 6) + 1/2  = 2/5 (3a + 20) what is the value of a
grigory [225]

Answer:

A= 40

Step-by-step explanation:

Step 1: Simplify both sides of the equation.

3/4 (2a-6)+1/2=2/5(3a+20)

(3/4) (2a) + (3/4) (-6) + 1/2 = (3a) + (2/5) (20)

(distribute)

3/2a + -9/2 + 1/2 = 6/5a + 8

(3/2 a) + ( -9/2 + 1/2 ) = 6/5a + 8 (Combine like terms)

3/2a + -4 = 6/5a + 8

3/2a -4 = 6/5a+8

Step 2: Subtract 6/5a from both sides.

3/2a - 4 - 6/5 a = 6/5a + 8 - 6/5 a

3/10 a - 4= 8

Step 3: Add 4 to both sides.

3/10a -4 +4 = 8 + 4

3/10 a = 12

Step 4: Multiply both sides by 10/3

(10/3) * (3/10a) = (10/3) * (12)

a = 40


5 0
3 years ago
Read 2 more answers
Find the area please
GalinKa [24]
The area is 220 because 8 times 20 is 160. and 6 times 20 is 120 divided by 2 is 60. then 160 plus 60 equals 220.

:)
5 0
3 years ago
Read 2 more answers
What is 1 5/7 as a improper fraction?
natulia [17]
Improper Fraction
12/7 = 1 5/7
6 0
3 years ago
Read 2 more answers
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