3 years ago

Find the circumference of the circle.Use 3.14 pi Looks like pizza 13in

Mathematics

1 answer:

DochEvi [55]3 years ago

8 0

Answer:

do you know your radius or diameter?

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liraira [26]

Answer:

4 8 12 16

3 6 9 12

Step-by-step explanation:

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3 years ago

Solve by substitution

solong [7]

X= -7
Y= -3

Please mark me as brainliest if this helped.

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3 years ago

3log5(x-10)-1/2log54=5log52<br><br> Solve each equation. #10

Inessa [10]

Answer:

$\large\boxed{x=14}$

Step-by-step explanation:

$3\log_5(x-10)-\dfrac{1}{2}\log_54=5\log_52\\\\\text{Domain:}\ x-10>0\to x>10\\\\\text{use}\\\\\log_ab^n=n\log_ab\\\\\log_ab-\log_ac=\log_a\left(\dfrac{b}{c}\right)\\========================\\\\\log_5(x-10)^3-\log_54^\frac{1}{2}=\log_52^5\qquad\text{use}\ a^\frac{1}{2}=\sqrt{a}\\\\\log_5(x-10)^3-\log_5\sqrt4=\log_532\\\\\log_5(x-10)^3-\log_52=\log_532\\\\\log_5\dfrac{(x-10)^3}{2}=\log_532\iff\dfrac{(x-10)^3}{2}=32\qquad\text{multiply both sides by 2}\\\\(x-10)^3=64\to x-10=\sqrt[3]{64}\\\\x-10=4\qquad\text{add 10 to both sides}\\\\x=14\in D$

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4 years ago

Find the GCF of the monomials 27x^2 and 81x^5.

Rudiy27

27x² and 81x⁵

81 = 27*3
x⁵ = x²x³

81x⁵ = 27*3*x²x³= (27x²)*3x³

We can see that 81x⁵=(27x²)*3x³ includes as a factor 27x²,
so GCF is 27x².

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4 years ago

Hello, I wanted an answer from a mathematician. The number 1.04 is closer to the number 1, 2, 1.25 or 1.5.

nevsk [136]

Answer:

the answer is 1

Step-by-step explanation:

1.25, 2 and 1.5 are too big compare to 1

3 0

3 years ago