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kherson [118]
3 years ago
11

HELP FAST I WILL MARK YOU AS THE BRAINLIEST

Mathematics
1 answer:
vlada-n [284]3 years ago
6 0
Mean, median, range, m.a.d.
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What is the value of the expression 3a+b2 when a=14 and b=32 ?
soldi70 [24.7K]

Answer:

106

Explanation:

3a+b2

Substitute the values for the variables:

3(14) + 2(32)

Solve:

3(14) + 2(32)

42 + 64

106

5 0
3 years ago
A bicycle wheel has a circumference of 62 inches. Find the diameter of the wheel. If necessary, round to the tenths place. A. 39
san4es73 [151]

Answer:

The answer to your question is        diameter  = 19.7 in

Step-by-step explanation:

Data

Circumference = 62 in

diameter = ?

Process

1.- Write the formula of Circumference, remember that circumference = perimeter.

    Perimeter = 2πr

2.- Equal the equation to the value given

                        2πr = 62

-Solve it for r

                            r = 62/2(3.14)

-Result

                           r = 62/6.28

                           r = 9.87 in

3.- Find the diameter

             diameter = 2r

             diameter = 2(9.87)

             diameter  = 19.7 in

4 0
3 years ago
Read 2 more answers
Lines a and b are parallel.
Wittaler [7]

m and 125º are supplementary angles:

m + 125º = 180º

m = 180º <span>– 125º

</span>m = 5<span>5º  <</span>——<span>—    this is the answer.


I hope this helps. =)

</span>
6 0
3 years ago
Read 2 more answers
Factorise the following quadratic expressions;<br> 6a-18a<br>21x -3x²<br>1/16 - p²<br>25v²-1<br>​
Lubov Fominskaja [6]

Answer:

− 12 a

3 x ( 7 − x )

( 1 4 + p ) ( 1 4 − p )

( 5 v + 1 ) ( 5 v − 1 )

Step-by-step explanation:

I think these are the right answers

3 0
2 years ago
Given the figures are similar, calculate the perimeter of the ABCDE.
Vsevolod [243]

Let the length of side AB be $x$, then

\cfrac{x}{2}=\cfrac{12}{4}\Rightarrow4x=24\Rightarrow x=\cfrac{24}{4}=6.

Therefore, the perimeter of ABCDE is 2(12) + 2(4) + 6 = 24 + 8 + 6 = 38 in.

7 0
3 years ago
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