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Diano4ka-milaya [45]
3 years ago
8

Please help me... Question is in the picture

Mathematics
1 answer:
Butoxors [25]3 years ago
5 0
Ok so as it says, the equation for the circumference (C) is C=2(pi)r.
Pi is about 3.14, so all you have to do is multiply those three values together for the circumference.
C=2•3.14•4
C= 25.12

So the answer would be D, 25.12.
You might be interested in
a certain triangle has a perimeter of 3067 mi. the shortest side measures 71 mi less than the middle side and the longest side m
UkoKoshka [18]

Answer:

The measure of the shortest side is 851 miles

Step-by-step explanation:

Let

x ----> the measure of the shortest side

y ---> the measure of the middle side

z ---> the measure of the longest side

we know that

The perimeter of triangle is equal to

P=x+y+z

P=3,067\ mi

so

3,067=x+y+z ----> equation A

the shortest side measures 71 mi less than the middle side

so

x=y-71 ----> equation B

the longest side measures 372 mi more the the middle side

so

z=y+372 ----> equation C

substitute equation B and equation C in equation A

3,067=(y-71)+y+(y+372)

solve for y

3,067=3y+301\\3y=2,766\\y=922

Find the value of x

x=y-71\\x=922-71\\x=851

therefore

The measure of the shortest side is 851 miles

6 0
2 years ago
The price of jeans was reduced $6 per week for 7 weeks. By how much did the price of the jeans change over the 7 weeks?
Nataliya [291]
The price changed by $42 over the course of seven weeks
3 0
3 years ago
Read 2 more answers
If f(x)=k g(x), what is the value of k
aalyn [17]

Answer:

the y intercept

Step-by-step explanation:

the k in algebra is the y intercept :))

6 0
2 years ago
Riley has set up a six week payment schedule to pay for his upcoming school camp. he has already put down a 15 percent deposit a
anyanavicka [17]

Answer:

$32.30 each week

Step-by-step explanation:

Deposit = 15%  = $34.20

⇒ total cost of camp = (34.20 ÷ 15) x 100 = $228

Balance left after deposit = 228 - 34.20 = $193.80

If paying the remaining balance in 6 weekly installments,

⇒ weekly payment = 193.80 ÷ 6 = $32.30

4 0
2 years ago
Plzzzzzzzzzzz Help me
Sati [7]

-3 < 0  Because -3 is less than 0.

Hope this helps ;P

3 0
3 years ago
Read 2 more answers
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