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katrin [286]
3 years ago
8

Find the exact area of a circle with a diameter of 5 yards. Use 3.14 for π​

Mathematics
1 answer:
Vlada [557]3 years ago
6 0

Answer:

19.634595408

Step-by-step explanation:

I think this because

πr^2 is how u get area I'd a circle

all u have to do is plug it in

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What value of x would result in the numerical value of zero in the expression 7+x+(−10) ?
MAXImum [283]

Answer:

3

Step-by-step explanation:

7 plus three is 10, adding -10 to that equals zero.

4 0
2 years ago
Sylvia invested 500 in an account compounded annually with an interest rate of 8%. Manuel invested 600 in an account with a comp
il63 [147K]

Answer:

Sylvia's investment would double first

Step-by-step explanation:

The number of years it takes for amount invested to double itself using the 72 rule is 72 divided by rate of interest as computed below:

Sylvia investment:

Sylvia's investment would double in 9 years' time  (72/8)

Manuel's investment"

Manuel investment of $600 would double itself in 9.9 years' time (72/7.25)

From the above analysis,Sylvia's investment of $500 at the 8% rate of interest would double first

8 0
2 years ago
Which of the following are true? Select one or more: a. The standard deviation of the sample mean will be larger than the popula
Ilia_Sergeevich [38]

Answer:

C. The standard deviation of the sample mean will be smaller than the population standard deviation.

Step-by-step explanation: Standard deviation is described as the square root variance,it is a Mathematical and statistical analysis tool used to understand the variation of treatments or values around the Mean.

The higher the Population the more the chances for deviation from the Mean, samples are always less than the entire population so the chances for variations will be less with sample than with the population.

8 0
3 years ago
Solve for x; 7x + 9 = 2(4x + 2) Please show your work, will vote for the brainiest answer.
vagabundo [1.1K]
<span>7x+9=2(4x+2) 
7x+9=8x+4
7x-8x=4-9
-x=-5
x=-5/-x
x=5

</span>
5 0
3 years ago
The point (-1,-4) is on the line given by which equation below ?
Vlad1618 [11]

Answer:

D. y = 4x

Step-by-step explanation:

y = 4x

Plug in The point (-1,-4) into the equation

when x = -1, y = 4(-1) = -4

So (-1,-4) is the solution of y = 4x

4 0
3 years ago
Read 2 more answers
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