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soldi70 [24.7K]
1 year ago
5

Figure A is a scale image of Figure B. What is the value of x?​

Mathematics
1 answer:
Snezhnost [94]1 year ago
6 0

Answer:

x = 5.4

Step-by-step explanation:

since the figures are scaled factors of each other then they are similar.

the ratios of corresponding sides are therefore in proportion, that is

\frac{x}{7.2} = \frac{3}{4} ( cross- multiply )

4x = 21.6 ( divide both sides by 4 )

x = 5.4

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A sphere and a cylinder have the same radius and height. The volume of the cylinder is 30 m ^3 ( 30 m cubed).
Andrei [34K]

Answer:

B is the right answer

Step-by-step explanation:

The difference between the volume of a sphere and a cylinder is 2/3

take 30 x 2 = 60

60/3 = 20

The Volume of the Sphere is 20 m ^3

Hope this helps.

8 0
3 years ago
Read 2 more answers
Jay on started off his penny collection with 1 penny. He then adds 5 pennies to his collection each day. How could you change th
nata0808 [166]

Answer:

By doubling each day

Step-by-step explanation:

Jay is increasing  daily a fixed amount of pennies to his collection.  That's an arithmetic series, because to obtain the next term you have to do an addition.

To get a geometric series or progression you have to find the next term through multiplication.

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4 0
3 years ago
Identify the percent of change as an increase or a decrease.
vodomira [7]

Answer:

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Step-by-step explanation:

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5 0
3 years ago
Help!
Olin [163]

Answer:

2/16

1/8

Step-by-step explanation:

8/1=8

2/16=0.125 which is equal to 1/8

2/14=1/7

1/8=1/8 is 2/16 simplified so they are the same

14/2=7

6 0
3 years ago
Please help me. It's my birthday but my dad says I have to do this assignment first so please help me.
zzz [600]

Answer:

standard deviation is a quantity calculated to indicate the extent of deviation for a group as a whole.

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3 years ago
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