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lutik1710 [3]
3 years ago
7

A prism with a volume of 1458 mm³ is scaled down to a volume of 16 mm³.

Mathematics
2 answers:
tino4ka555 [31]3 years ago
7 0
The correct answer is 


<span>A. 2/9</span>

vodomira [7]3 years ago
4 0

The volume of one prism = 1458 mm^3

The volume of other prism = 16  mm^3

The first prism is scaled down to the second prism. As volume given, to find the scale factor we will have to find cube root of the ratio of the volume. So the scale factor is

(\frac{16}{1458})^{(1/3)}

We have to simplify the fraction now. To simplify it we will divide the numerator and denominator by a common factor of them.

2 is a common factor of 1458 and 16. By dividing them by 2 we will get,

\frac{16}{1458} = \frac{8}{729}

Now we have to find cube root of both 8 and 729.

We know that, 2^3 =8. So cube root of 8 is 2.

And also, 9^3 = 729. So cube root of 729 is 9.

The scale factor is = \frac{2}{9}.

We have got the required answer. Option A is the correct option here.

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faltersainse [42]
I believe it is f(x)=5|x|
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3 0
3 years ago
Find the inverse of f(x)= -x + 3
inna [77]
Let g the inverse function of f.

The most important property of g and f being inverses of each other, is that 

g(f(x))=x,      also f(g(x))=x

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Thus, we have:

f(g(x))=x      and alos   f(g(x))= -g(x)+3, from the rule


thus : 

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Answer: the inverse of f is g, such that g(x)=-x+3
4 0
3 years ago
A photo is 8 cm long and 6 cm wide. It is enlarged to make a print that is 18 cm wide.
dezoksy [38]

Answer:

24 cm

Step-by-step explanation:

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18/6 = 3

To solve for the length enlargement, multiply 3 with the length, or 8 cm:

8 x 3 = 24

24 cm is the length of the enlargement.

~

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3 years ago
Brainliest for correct answer
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Answer:

Step-by-step explanation:

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7 0
3 years ago
30 sweets are shared between 2 groups in the ratio 3:7. How many sweets are in each group?
jolli1 [7]

Answer:

See explanation below

Step-by-step explanation:

Given the ratio between two groups to be 3:7

Total ratio = 3+7 = 10

Total sweet shared = 30sweets

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This share = 7×3

This share = 21sweet

4 0
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