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4 years ago

11.

Mathematics

1 answer:

dedylja [7]4 years ago

6 0

The answer is D. $270.00.
To find this answer, you divide 37.80 by 14%.

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Ariel is filling a giant beach ball with air. The radius of the beach ball is 303030 cm. What is the volume of air that the beac

AVprozaik [17]

Answer:

The volume of air that the beach ball will hold is $36,000 \pi\ cm^{3}$

Step-by-step explanation:

we know that

The volume of a sphere ( a giant beach ball with air) is equal to

$V=\frac{4}{3}\pi r^{3}$

we have

$r=30\ cm$

$V=\frac{4}{3}\pi (30^{3})$

$V=36,000 \pi\ cm^{3}$

3 0

3 years ago

Read 2 more answers

Rewrite using a single positive exponent.<br><br> 7^9 x 7^-3

Elena L [17]

When you multiply you add the exponents, so 7^9*7^-3=7^6

8 0

3 years ago

Read 2 more answers

Julie drank 4 5 liter of water Monday before going jogging. She drank 2 3 liter of water after her jog. How much water did Julie

ValentinkaMS [17]

Answer:

$\frac{22}{15}$

Step-by-step explanation:

The computation of the Julie drink altogether is as follows:

$= \frac{4}{5} + \frac{2}{3}\\\\= \frac{12 + 10}{15} \\\\= \frac{22}{15}$

We simply added the total liter of water that she took before going jogging and after her jog

4 0

3 years ago

80 marked up by 37.5 percent

Mariana [72]

Make 37.5% into decimal form : Since it is being marked up, add 100% = 1.375
1.375 x 80
1.375
x 80
_________
0000
+11000
_________
110.000

80 marked up by 37.5% is 110.

7 0

3 years ago

Trevor Linden, a former player for the Vancouver Canucks, is 1.93 m tall. On a hockey card, he is 5.4 cm tall. What scale was us

Anastaziya [24]

Answer:

scale used to print the hockey card is 27/965

scale used to print the hockey card in decimal is 1/35.74

Step-by-step explanation:

we know that in scale problems

scale is used in drawing to enlarge or reduce size of object by a certain amount

scale = size of object in drawing/ actual size of object

Height of trevor = 1.93 m

we know that 1 m = 100 cm

Height of trevor in cm = 1.93 m*100 = 193 cm (actual size)

(this is done so that unit of measurement is same for card and trevor's height i.e cm)

Trevor's card on hockey card = 5.4 cm(size in drawing)

scale used = Trevor's card on hockey card /Height of trevor in cm

= 5.4/193 = 54/ 1930 = 27/965

scale used to print the hockey card is 27/965

scale used to print the hockey card in decimal is 1/35.74

7 0

4 years ago