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Tamiku [17]
3 years ago
15

Need help fast!!!!!!!!

Mathematics
1 answer:
sesenic [268]3 years ago
7 0

Answer:

use math-

Step-by-step explanation:

-way! great website to help you on your problems like this one

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The circumference of a circle is G inches. The diameter is 15 inches. Which expression best represents the value of \piπ
oee [108]

Answer: Try using calculatorsoup dot com, you need to be more specific, and use Find A, C and r | Given d?

radius r = 7.5 in

diameter d = 15 in

circumference C = 47.123889803847 in

area A = 176.71458676443 in2

In Terms of Pi π

circumference C = 15 π in

area A = 56.25 π in2

Step-by-step explanation:

4 0
3 years ago
Find a degree 3 polynomial with real coefficients having zeros 1 and 2-2i and a lead coefficient of 1. Write P in expanded form.
amm1812

Answer:

Step-by-step explanation:

complex roots always occur in pairs.

roots are 1,2-2i,2+2i

P(x)=a(x-a)(x-b)(x-c)

P(x)=1(x-1)[x-(2-2i)][x-(2+2i)]

=1(x-1)[(x-2)+2i][(x-2)-2i]

=(x-1)[(x-2)²-(2i)²]

=(x-1)[(x-2)²-4i²]

=(x-1)[x²-4x+4-4(-1)]

=(x-1)[x²-4x+4+4]

=(x-1)[x²-4x+8]

=x³-4x²+8x-x²+4x-8

=x³-5x²+12x-8

4 0
3 years ago
Find the sum of the following geometric sequences. d) 3 terms a= 16 r=3/4​
kodGreya [7K]

Answer:

S₃ = 37

Step-by-step explanation:

given a₁ = 16 and r = \frac{3}{4} , then

a₂ = a₁ × \frac{3}{4} = 16 × \frac{3}{4} = 12

a₃ = a₂ × \frac{3}{4} = 12 × \frac{3}{4} = 9

then

S₃ = a₁ + a₂ + a₃ = 16 + 12 + 9 = 37

7 0
2 years ago
Solve this quadratic equation using the quadratic formula.<br><br> x2 + 8x - 5 = 0
jasenka [17]
X^2 + 8x - 5 = 0
a = 1, b = 8, c = -5
x = ( - 8 + - sqrt(64 - 4*1*-5))/2
x = ( -8 + - sqrt(64+20))/2
x = ( -8 + - sqrt (84))/2
x = ( - 8 + - 2sqrt21))/2
x = -4 + - sqrt21
7 0
3 years ago
The soccer team won 12 out of 14 games. If this rate continues, how many games will they win if they play a total of 21 games
Gwar [14]
If they won 12 out of 14 games that will be about 85 percent
i think your answer will be 18
3 0
3 years ago
Read 2 more answers
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