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GenaCL600 [577]
3 years ago
10

21/7 unit rate and equation

Mathematics
1 answer:
Vinil7 [7]3 years ago
5 0
Unit rate is 3. equation is 21÷7=3
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4
frutty [35]

Answer:

The answer is B

Step-by-step explanation:

3 0
3 years ago
X fraction 2 - 5 = 25
xxTIMURxx [149]

Answer:

X=60

Step-by-step explanation:

X fraction 2 - 5 = 25

X/2-5=25

X/2 =25+5

X/2=30

X=60

60 is the answer

6 0
3 years ago
What is the approximate perimeter of a semicircle with a radius of 9mm?
Cerrena [4.2K]
Act like it's a whole circle and find the perimeter, then divide by 2.

P = 2 * pi * r

P = 2 * 3.14 * 9

P = 56.52

Now divide by 2:

P = 28.26
3 0
3 years ago
Read 2 more answers
£864.00 to be accrued<br> after £800 is invested with<br> 2% pa simple interest.
Vsevolod [243]

Answer: 4 years

Step-by-step explanation:

Your question isn't complete but I believe that you want to calculate the number of years. This will be:

Simple Interest = PRT/100

where,

Interest = 864 - 800 = 64

Principal = 800

Rate = 2%

Therefore, 64 = 800 × 2 × T /100

Cross multiply

64 × 100 = 1600T

6400 = 1600T

T = 6400/1600

T = 4

Therefore, time will be 4 years

6 0
2 years ago
Is w = 9 a solution to the equation 14 - w = 23?
Len [333]

Answer:

No

Step-by-step explanation:

14 - 9 = 3

3 < 23

6 0
3 years ago
Read 2 more answers
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