3 years ago

If a figure is similar by a scale factor of 1/2, what does that mean?

Mathematics

1 answer:

Alexus [3.1K]3 years ago

4 0

The hunters gave heads to the others

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Please help me with this problem!!

dimaraw [331]

All of them are correct . Number six is 0.28 as a decimal

7 x 4
-- = 28; 0.28 is the answer
25 x 4

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4 years ago

How do you know when ratios are equivalent and when they are not equivalent

White raven [17]

Ratios are equivalent when that can be reduced or multiplied to be the same number.
Ex) 1:4 is the same as 2:8 or 4:16
10:20 is the same as 8:16 or 1:2

They are not equivalent if you can’t do this

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3 years ago

A set of data has a mean of 45.6 what is the mean if 5.0 is added to each score

Solnce55 [7]

Answer:

The mean will be increased by 5

Step-by-step explanation:

Suppose a set of data $(2, 4, 6, 8, 10, 12)$

Mean is defined as sum of all the values given set of data divided by total number of values.

Mean1 = $\frac{2+4+6+8+10+12}{6} = \frac{42}{6} = 7$

Now if we add 5 toeach value, the new set becomes $(7, 9, 11, 13, 15, 17)$

for which,

Mean2 = $\frac{7+9+11+13+15+17}{6} = \frac{72}{6} = 12$

Mean2 - Mean1 = 5

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3 years ago

What's the z in 15=0.2z?

Anvisha [2.4K]

Answer:

Step-by-step explanation:

15/.2=75

so 75x.2=15

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3 years ago

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The Empire State building in New York City is 1,250 feet tall. It has 103 floors. Rounded to the nearest whole, what is the heig

Tems11 [23]

-----------------------------------------12ft

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4 years ago

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