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Sindrei [870]
2 years ago
15

The 7 in 72 represents how many times the value of the 7 in 78?

Mathematics
1 answer:
Grace [21]2 years ago
3 0
The answer is zero times.
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Given the circumference of a circle is 26 pi, what is the area of the circle? Show work. Leave answer in term of pi.
Ierofanga [76]

Answer:169pi

Step-by-step explanation:

Circumference(c)=26pi

Circumference(c)=2 x pi x radius(r)

26pi=2pi x r

Divide both sides by 2pi

26pi/2pi=(2pi x r)/2pi

13=r

Radius(r)=13

Area of circle=pi x r^2

area of circle=pi x 13^2

Area of circle=169pi

8 0
3 years ago
Which number is between 0.5 and 5/8<br><br> A) 1/4<br><br> B) 8/28<br><br> C) 9/16<br><br> D) 19/28
Andru [333]
I think a but not sure but i hope i helped :D
8 0
2 years ago
Read 2 more answers
the volumes of two spheres are 729 in3 and 27 in3. what is the ratio of their radii, rounded to the nearest whole number?
MaRussiya [10]
The volumes of spheres are proportional to R³. So their 'R's
are proportional to ∛their volumes.

(729/ 27) = 27

∛27 = <u>exactly 3</u> .  No rounding required.
5 0
3 years ago
To solve a problem, a student had to find a certain angle θ. The student got to the
stira [4]

Answer:

see explanation

Step-by-step explanation:

sinΘ is only valid for values in the interval

- 1 ≤ Θ ≤ 1

sinΘ = \frac{5}{2} is outwith this interval and is not valid

3 0
3 years ago
Daniel spent $4.75 for lunch and $1.85 for a snack. Kyle spent $5.75 for lunch and $1.00 for a snack. How much more money did Ky
Katena32 [7]
Daniel spent $4.75 for a lunch and $1.85 for a snack
$4.75+$1.85=$6.6, so Daniel spent $6.6 total

Kyle spent $5.75 for lunch and $1.00 for a snack
$5.75+$1.00=$6.75, so Kyle spend total $6.75.

Final step:
$6.75-$6.6=$0.15. As a result, Kyle spent $0.15 or 15 cent more than Daniel. Hope it help!
3 0
3 years ago
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