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zzz [600]
3 years ago
10

What is the circumference of the circle r=4ft

Mathematics
2 answers:
kherson [118]3 years ago
7 0

E. 6.28 is the circumference of a circle with a 2=4ft

aev [14]3 years ago
5 0

Answer:

Step-by-step explanation:

the circumference is : 2pi r= 2×3.14×4 =  25.2 ....

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Help me please i’m failing lol
nalin [4]

16) k=176 hope you get to a point were your not failing

6 0
3 years ago
Read 2 more answers
Jill has a jar full of dimes and quarters. If she has a total of $27.20 and the number of quarters is less than twice the dimes,
Levart [38]

Answer: She has 76 dimes and 78 quarters.

Step-by-step explanation:

Given data:

Total = $27.20

Solution:

Q = d + 2

Each quarter is 25 cents, or 0.25 of a dollar = 0.25q

Each dime is 10 cents = 0.10d

0.25q+0.10d = $27.20

Where q = d-2

Substitute in this equation:

0.25(d+2)+0.10d = 27.20

0.25d + 0.5 + 0.10d = 27.20

0.35d = 26.7

Divide both sides by 0.35

d = 76

She has 76 dimes and 76 + 2 = 78 quarters.

5 0
3 years ago
What is the value of x in the equation (3/4 + 5/8) x = 3/5
mr Goodwill [35]

Answer:

It is x=−92 .

Step-by-step explanation:

3 0
3 years ago
What is the value of x?<br> 750<br> 37°
RSB [31]
Whats the problem? i cant solve it w/o the problem doll
3 0
3 years ago
Suppose that a cyclist began a 374 mi ride across a state at the western edge of the​ state, at the same time that a car traveli
kherson [118]
This is the concept of relative speed; We are required to calculate the speed of the car and the bicycle.
Distance between the car and Bicycle=374 miles
Time they met=5.5 hr
Speed traveled by bicycle=x
Speed traveled by car=x+33.4334
Relative speed=x+(x+33.4334)=(2x+33.4334) mph
Distance=speed*time
374=(2x+33.4334)*5.5
374=11x+183.8837
collecting like term we get:
374-183.8837=11x
11x=190.1163
thus;
x=(190.1163)/(11)
x=17.2833 mph
thus the speed of the bicycle was x=17.2833 mph
The speed of the car was (x+33.4334)=(17.2833+33.4334)=50.7167 mph

4 0
3 years ago
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