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Aneli [31]
3 years ago
14

Help help help help help help

Mathematics
2 answers:
fomenos3 years ago
5 0

Answer:

15.7 \:ft

Step-by-step explanation:

Circumference of a circle is equal to:

\pi d

\pi  \times 5

=5 \times 3.14

=15.7

nika2105 [10]3 years ago
5 0

Answer:

The circumference of circle is 15.7 feet

Step-by-step explanation:

First, you have to find the radius of circle by dividing the diameter by 2 :

radius = diameter \div 2

radius = 5 \div 2

radius = 2.5 \: feet

Next, you have to substitute it into the formula of circumference, C = 2×π×r where r represents radius :

C = 2 \times \pi \times 5

let \: \pi = 3.14 \\ let \: r = 2.5

C = 2 \times 3.14 \times 2.5

C = 15.7 \: feet

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Sam has fewer baseball cards than Jill (she has 36). There are only three ways that he can arrange all of his cards in equal row
pantera1 [17]

Answer:

27, 30, 33

Step-by-step explanation:

Since Sam has fewer number of baseball cards than Jill who has 36 baseball cards and can arrange all his cards in only three ways, the possible number of baseball cards that Sam could have is 27, 30 or 33.

If he has 27 baseball cards, he can arrange 9 baseball cards per row in 3 rows

If he has 30 baseball cards, he can arrange 10 baseball cards per row in 3 rows

If he has 33 baseball cards, he can arrange 11 baseball cards per row in 3 rows

7 0
3 years ago
X^2+16x+64 can anyone show the work for this and find the factor.
Alexandra [31]

Answer:

should i simplify it? or factorise it?

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x^2+16+64

(x)^2+2×x×8+(8)^2

(x+8)^2

=(x+8)(x+8)

8 0
2 years ago
A bag contains red and blue marbles. One-fourth of the marbles are red. If there is one red marble in the bag, how many blue mar
Alenkinab [10]
There are 3 marbles.
4 0
3 years ago
What number must you add to complete the square x^-8x=39
notsponge [240]

Answer:

Given equation: x^2-8x =39

when we complete the square , we take half of the value of 8 , then square it, and added to the left sides, we get;

x^2-8x+4^2 = 39 +4^2

∵8 is the value (\frac{8}{2})^2

Notice that, we add this both sides so that it maintains the equality.

then;

x^2-8x+4^2 = 39 +4^2

(x-4)^2 = 39 + 16   [ (a-b)^2 = a^2-2ab+b^2 ]

Simplify:

(x-4)^2 =55

The number must be added to complete the square is, 4^2 = 16



3 0
3 years ago
Read 2 more answers
Correct answer gets brainliest
Karo-lina-s [1.5K]

Answer:

<em>B. 9 < 7 or x > 16.</em>

Step-by-step explanation:

<em>I had the same question and the answer was B.</em>

7 0
3 years ago
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