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Marrrta [24]
3 years ago
5

13 Points. Find the perimeter.

Mathematics
1 answer:
svp [43]3 years ago
8 0

Answer:

15.7 cm

Step-by-step explanation:

The perimeter of the entire circumference is

entire perimeter = 2п r

п = 3.14 (aprox)

r = radius = 3cm

entire perimeter = 2*3.14*3 = 18.84 cm

the entire perimeter of the circumference corresponds to 360 degrees

then,

proportions:

18.84 cm ⇔ 360°

F cm ⇔  300°

F = 18.84*300/360

F = 15.7 cm

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Does 4/7 , 24/35 form a proportion
nydimaria [60]
No it does not.
One way to check for this is to cross multiply and see if you get the same answer on the left and the right.

4/7 = 24/35
4(35) = 7(24)
140 = 168 This is NOT true so they are not a true proportion
3 0
4 years ago
A student has 5 ninths gallons of popcorn to give away. He wants to split it evenly between his 4 friends. How much popcorn does
Lera25 [3.4K]

The quantity of popcorn each friend of the students receive is 5/36 gallons.

<h3>Division of fraction</h3>

  • Number of gallons of popcorn the student .has = 5/9 gallons

  • Number of the student's friends = 4

Quantity of popcorn each friend receive = Number of gallons of popcorn the student has / Number of the student's friends

= 5/9 ÷ 4

= 5/9 × 1/4

= (5 × 1) / (9 × 4)

= 5/36

Therefore, the quantity of popcorn each friend of the students receive is 5/36 gallons

Learn more about division of fraction:

brainly.com/question/1622425

#SPJ1

3 0
2 years ago
In a group 40% like football ,70% like cricket and 30% like both games
AnnyKZ [126]

Step-by-step explanation:

Ans is 20 .

F union C whole complement is 20

8 0
3 years ago
If p ÷2 = 4 and 2 - q = 4, what is the value of 2p + q<br> a 12<br> b 14<br> c 18<br> d 22
vodka [1.7K]

Answer:

the answer is second one 14

8 0
4 years ago
The simple interest I ( in dollars) for a savings account is jointly proportional to the product of the time t (in years) and th
In-s [12.5K]

Answer:

Part a) The constant of variation is r=0.0567 or r=5.67\%

Part b) I=\$662.03

Step-by-step explanation:

Part a) Find the constant of variation.

we know that

The simple interest formula is equal to

I=P(rt)

In this linear direct variation the constant r represent the constant of proportionality

where

I is the Interest Value

P is the Principal amount of money to be invested

r is the rate of interest  

t is Number of Time Periods

in this problem we have

t=5/12\ years\\ P=\$3,892\\ I=\$92\\r=?

substitute the values and solve for r

92=3,892(r(5/12))

r=(92*12)/(3,892*5)

r=0.0567

Part b) what will the interest be after 3 years

in this part we have

t=3\ years\\ P=\$3,892\\ I=?\\r=0.0567

substitute the values

I=3,892(0.0567*3)=\$662.03

5 0
3 years ago
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