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diamong [38]
3 years ago
15

Kelsey has 1/3 of a Hershey Bar. Eric wants 3/5 of this amount, How much will Eric get?

Mathematics
1 answer:
Ainat [17]3 years ago
5 0

Answer:

1/5

Step-by-step explanation

1/3= 0.333333333

3/5 of 0.333333333= 0.2

0.2 as a fraction is 1/5

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In a recent wedding, the groom's age was fifteen years more than half the bride's age. If the sum of their ages was 51 years, ho
hoa [83]

Answer:

Step-by-step explanation:

Groom: 0.5x+15

Bride: x

Add both ages together

0.5x+15+x=51

x=24

Bride: 24 years

Groom: 27 years

Double Check: 24+27=51

3 0
3 years ago
C=5/9(F-32) help please
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C=2/5 with syptolis thereon so 2/5(C5/9) is the abswer for C (F-32)= hypoteticulos syptolis F-25/32(-32/35) this the answer for (F-32)
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3h 10 min + 1h 20 min is equal is to​
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Answer:

3h 10 min + 1h 20 min is equal is to 4hr30mins

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2 years ago
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Joelle is working on a school report in a word processor. She wants to place a figure which is 13.09 \text{ cm}13.09 cm13, point
GuDViN [60]
<span>Subtract 13.09 from 21.59 giving you 8.5. Since the amount of space on both the left and right margin have to be equal you would divide by 2 to get 4.25 on the left margin as well as the right.</span>
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Can someone please help me with this math problems
myrzilka [38]

97.


Formulas for surface area and volume of a rectangular prism (this is a cube, which is a special kind of rectangular prism; the same formulas can be used for both types of figures):


S.A. = 2(wh + lw + lh), where w is the width, h is the height, and l is the length

V = lwh; likewise, w is width, h is height, and l is length


Our width, length, and height are as follows:


w = 8

l = 8

h = 8


Plug these values into each formula and solve.


S.A. = 2(wh + lw +lh)

S.A. = 2(8(8) + 8(8) + 8(8))

S.A. = 2(64 + 64 + 64)

S.A. = 2(192)

S.A. = 384


V = lwh

V = 8 * 8 * 8

V = 512


Answer: S.A. = 384 cm²; V = 512 cm³.


98.


This is also a rectangular prism, so the same formulas will be used.


Width, length, and height:


w = 2

l = 12

h = 3


S.A. = 2(wh + lw + lh)

S.A. = 2(2(3) + 12(2) + 12(3))

S.A. = 2(6 + 24 + 36)

S.A. = 2(66)

S.A. = 132


V = lwh

V = 12 * 2 * 3

V = 72


Answer: S.A. = 132 in²; V = 72 in³.


99.


Formulas for S.A. and V of a right cylinder:


S.A. = 2πrh + 2πr², where r is the radius and h is the height

V = πr²h; r is the radius and h is the height


Radius and height:


r = 7

h = 3


S.A. = 2πrh + 2πr²

S.A. = 2π(7)(3) + 2π(7)²

S.A. = 42π + 2π49

S.A. = 42π + 98π

S.A. = 140π or approx. 440


V = πr²h

V = π(7)²(3)

V = π49(3)

V = 147π or approx. 462


Answer: S.A. ≈ 440 cm²; V ≈ 462 cm³.


100.


Same formulas as above. Notice we're given the diameter of the cylinder, however, rather than the radius. The radius is half the diameter, so the radius is 4.5 mm.


Radius and height:


r = 4.5

h = 13


S.A. = 2πrh + 2πr²

S.A. = 2π(4.5)(13) + 2π(4.5)²

S.A. = 117π + 2π20.25

S.A. = 117π + 40.5π

S.A. = 157.5π or approx. 495


V = πr²h

V = π(4.5)²(13)

V = π20.25(13)

V = 263.25π or approx. 827


Answer: S.A. ≈ 495 mm²; V ≈ 827 mm³.

6 0
3 years ago
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