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diamong [38]
2 years ago
8

ANSWER FAST PLZ 25POINTS!!!!!!!!!!!

Mathematics
2 answers:
Gre4nikov [31]2 years ago
5 0

Answer:

Step-by-step explanation:

43.96 in. divided by 3.14 = 14/2 = 7

The radius is 7in

nadezda [96]2 years ago
3 0

Answer:

7 inches, B

Step-by-step explanation:

The circumference of a circle is equal to 2*pi*r, and pi=3.14.

Set 43.96 equal to 2*3.14*r, dividing by 2*3.14, r=7 inches, or B.

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The balance of a loan is $2,570 in January, and the monthly payment is $125.50. The relationship between the loan balance, y, an
Mila [183]
<span>May, June, and July <<< answers

</span> <span>y = 2,570 - 125.50x 

$1,600 < y < $2,000 </span>
5 0
3 years ago
Read 2 more answers
Find the quotient 3/18 divided by 7/21
igor_vitrenko [27]
This is the same as 3/18 x 21/7, which you can simplify to 1/6 x 3, which is 3/6 also a half. So the answer is 1/2
3 0
3 years ago
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Prove that 25^11−5^19 is divisible by 31.
SCORPION-xisa [38]

Answer:

Divisible by 3 is the answer

Step-by-step explanation:

First get everything to have the same base of 5

25^11 - 5^19

(5^2)^11 - 5^19

5^(2*11) - 5^19

5^22 - 5^19

Now factor out the GCF 5^19 to get

5^22 - 5^19

5^(19+3) - 5^(19+0)

5^19*5^3 - 5^19*5^0

5^19(5^3 - 5^0)

5^19(125 - 1)

5^19*(124)

At this point, we factor the 124 into 31*4 to end up with this full factorization: 5^19*31*4

Therefore, 25^11 - 5^19 is equivalent to 5^19*31*4

Since 31 is a factor of the original expression, this means the original expression is divisible by 31.

4 0
3 years ago
Point B is on line segment AC. If AB = x + 6, BC = x + 8 and AC = 10, then find the value of x.
kumpel [21]

Step-by-step explanation:

this simply means that the sum of both short segments must be the same as the length of the whole line.

so,

x + 6 + x + 8 = 10

2x + 14 = 10

x + 7 = 5

x = 5 - 7 = -2

7 0
2 years ago
The volume of a cylinder can is 1.54 litre and area of base is 77cm^2 Find its height​
goblinko [34]

Answer:

The height is 20 cm.

Step-by-step explanation:

First, we have to know that the volume formula is V = πr²h and the base area of cylinder is a circle. So we can let πr² be 77 cm² . Then we have to substitute the following values into the formula :

v = 1.54 \: l

v = 1540 \:  {cm}^{3}

v = \pi \times  {r}^{2}  \times h

Let πr² be 77,

Let v be 1540,

1540 = 77 \times h

77h = 1540

h = 1540  \div 77

h = 20 \: cm

5 0
3 years ago
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