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3 years ago

What is the circumference of a circle with a diameter of 8 ( someone plz answerrrrrrrr)

Mathematics

2 answers:

Andre45 [30]3 years ago

6 0

Answer:

C≈25.13

Step-by-step explanation:

Diameter 8.

Answer: C≈25.13

Hope this helps.

MissTica3 years ago

3 0

The circumference is 25.12
Because the formula for circumference is diameter x 3.14 and that would be 8 x 3.14=25.12

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A quantity with an initial value of 670 decays continuously at a rate of 25% per hour.

AysviL [449]

Answer:

89.43

Step-by-step explanation:

a = 670 * (1 * .25)^7

a = 670 * (.75)^7

a = 89.43

4 0

3 years ago

4x−1=3y+5 as a ordered pair

dalvyx [7]

Answer:

y = 4/3x - 2

Step-by-step explanation:

4x −1 = 3y + 5

+ 1 + 1

4x = 3y + 6

-3y -3y

-3y + 4x = 6

- 4x -4x

-3y = -4x + 6

/-3 /-3

y = 4/3x - 2

*View attached graph for ordered pairs*

Hope this helps!

8 0

3 years ago

Mhanifa please help fast! I will mark brainliest!

Mama L [17]

Answer:

1.33

Step-by-step explanation:

if you re-arrange the position of the first triangle and divide the

corresponding sides you'll get 1.33

8 0

3 years ago

Read 2 more answers

PLEASE HELP I WILL GIVE 50 POINTS! IF YOU GIVE FAKE ANSWER I WILL REPORT YOU!!!

defon

Answer:

It looks like your first account increases linearly,

unless you have a typo and meant:

f(x) = 10,125(1.83)^x

the second

exponential and can be written as

g(r) = 9,638(1.95)^r

clearly g(r) has a higher percentage change since 1.95 > 1.83

a more interesting question might have been: When will the amount be the same?

10,125(1.83)^x = 9,638(1.95)^x

(1.83)^x = .951901...(1.95)^x

take log of both sides and use log rules

xlog1.83 = log .951901... + log 1.95

x(log 1.83 - log 1.95) = log .951901...

x = .776..

check:

f(.776..) = 10,125(1.83)^.776.. = 1618410

g(.776..) = 9,638(1.95)^.776... = 16184.10

Step-by-step explanation:

3 0

3 years ago

8(x+2) Evaluate when x=3

Burka [1]

When the value of x is 3, evaluate;

$8(x+2)$

Substitute for the value of x into the parenthesis;

$\begin{gathered} 8(x+2)=8(3+2) \\ 8(x+2)=8(5) \\ 8(x+2)=40 \end{gathered}$

ANSWER:

The expression equals 40 (when x = 3)

6 0

1 year ago