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Viktor [21]
3 years ago
13

HELP I DONT KNOW HOW TO DO THIS

Mathematics
1 answer:
const2013 [10]3 years ago
7 0
To find the circumference (c) use the formula (pi d) in other words 3.14 x diameter
To find the radius to find the diameter: 2R (double the radius)
To find radius 1/2 D (half the diameter)
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What is the area of the living room
Wewaii [24]

Answer:

The area of the living room is 256 sq. ft.

8 0
4 years ago
What is the product of one half and two thirds?
attashe74 [19]

Answer:

1/4

Step-by-step explanation:

1/2 × 2/3

= 1×3 = 1

2×2 = 4

Therefore,

1/2 × 2/3 = 1/4//

4 0
3 years ago
Please help, I will give brainliest.
kotegsom [21]

Answer:

b = 30 / a

which agrees with the third expression in the list of possible options

Step-by-step explanation:

When we say that a and b vary inversely, that means that in mathematical form:

b = k / a  where "k" is the so called "constant of proportionality". In order to write the function that models this inverse variation, we need to find the value of "k". We do such by using the information they provide (b = 5/2 when a = 12):

5/2 = k / 12

Then, solving for "k":

5 * 12 / 2 = k

60 / 2 = k

k = 30

Then we can now write the function that models this inverse variation:

b = k / a

b = 30 / a

5 0
3 years ago
The formula below is used to convert a temperature in degrees Celsius, C to a temperature in degrees Fahrenheit, F
Nikolay [14]
Fahrenheit and Celcius are unit that can be used to measure temperature. In this question, you are given the equation to calculate Fahrenheit from Celcius so you just need to put the Celcius into C variable.

F = 1.8C + 32
F= 1.8(15)+32
F= 59
5 0
2 years ago
Read 2 more answers
Rehman invests his summer earnings of $3050. He invests past of the money at 8%/year, and the rest at 7.5%/year. After 1 year, t
sertanlavr [38]

Answer:

let he invest x part of earning at the rate of 8%

simple interest = P*T*R/100 = x*1*8/100 = 0.08x

His invest at the rate of 7.5% = 3050 - x

Again simple interest = P*T*R/100 = (3050 - x)*1*7.5/100 = 228.75 - 0.075x

N0w acc0rding to question

0.08x + 228.75 - 0.075x = 242

0.005x= 13.25

x = 2650

rehman invest 2650 at 8% per year

He invest (3050-2650) = 400 0n 7.5% per year

Step-by-step explanation:

5 0
3 years ago
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