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Yanka [14]
2 years ago
12

WILL GIVE BRAINLIEST AND 10 POINTS!!!!!!!!! PLZ HELP!!!!! Lianne drew a sphere with a radius of 7 in. She calculated its volume

and wrote it below.
StartFraction question mark pi Over 3 EndFraction inches cubed

What value should be multiplied by Pi in the numerator to correctly show the volume of the sphere?
Mathematics
2 answers:
zzz [600]2 years ago
8 0

Answer:

= 1372

i took the test

GarryVolchara [31]2 years ago
3 0

Answer 1372.

4x7x7x7=1372:v=4/3 pi r^3

Step-by-step explanation:

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The figure below shows a shaded rectangular region inside a large rectangle:
pshichka [43]

Answer:

b. 58%

Step-by-step explanation:

Calculate the area of the entire rectangle using the formula A = lw.

The lowercase "L" is for length.

"w" is for width.

The lighter square is 10 units long by 5 inches wide.

A = lw

A = (10 in)(5 in)   Multiply

A = 50 in²

Calculate the area for the shaded rectangle, 7 inches by 3 inches.

A = lw

A = (7 in)(3 in)    Multiply

A = 21 in²

Calculate the area for the non-shaded region by subtracting the shaded area from the total area.

50 in² - 21 in² = 29 in²

The chance that a point in the large rectangle will NOT be in the shaded region is 29/50.

Convert this fraction to decimal form by using a calculator. Divide the top number by the bottom number.

29/50 = 0.58

0.58 is in decimal form. To convert it to a percentage, multiply the number by 100.

0.58 = 58%

Therefore the probability that a point chosen inside the large rectangle is not in the shaded region is 58%.

5 0
3 years ago
An original investment of $15,000 earns 7.25% interest compounded continuously. What will the investment be worth in 3 years? 30
horrorfan [7]

Answer:

A = Pe^{rt}

A = 1500e^{.0725 t}

3 years = $18,644.48

30 years = $132,032.78

Step-by-step explanation:

5 0
3 years ago
64 times -7/8 minus 1/2
Vesna [10]
64 \times (- \dfrac{7}{8}) -  \dfrac{1}{2}

=-56 -  \dfrac{1}{2}

=-56\dfrac{1}{2}
3 0
3 years ago
If we know the diameter of a circle is 10 cm, how long<br> will the circumference be?
mihalych1998 [28]

Answer:

C= π*d

c=  π*10

c= 10 π

c=  10 * π

c= 10*3.14= 31.4 cm

7 0
3 years ago
Read 2 more answers
If a woman has three children find the probability that the first child is a boy
kow [346]

I believe its a 1/8 chance.

4 0
3 years ago
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