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snow_tiger [21]
3 years ago
7

Please I need help ASAP

Mathematics
1 answer:
AVprozaik [17]3 years ago
4 0

Answer:

I think it is 26%

Step-by-step 124 divided by 479

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In the figure, triangle CAE is an enlargement of triangle CBD with scale factor of 4/3. The area of the smaller triangle is 9cm2
balandron [24]

Answer:

16 cm^2

Step-by-step explanation:

Given

\triangle CAE -- Bigger Triangle

\triangle CBD -- Smaller Triangle

k = \frac{4}{3} --- Scale factor

Area of CBD = 9

Required

Determine the area of CAE

The area of triangle CBD is:

A_1 = \frac{1}{2}bh

\frac{1}{2}bh = 9

The area of CAE is:

A_2 = \frac{1}{2}BH

Where:

B = \frac{4}{3}b and

H = \frac{4}{3}h

The above values is the dimension of the larger triangle (after dilation).

So, we have:

A_2 = \frac{1}{2}*\frac{4}{3}b * \frac{4}{3} * h

A_2 = \frac{1}{2}*\frac{4}{3} * \frac{4}{3} *b* h

A_2 = \frac{1}{2}*\frac{16}{9}  *b* h

Re-order

A_2 = \frac{16}{9}*\frac{1}{2}* b* h

A_2 = \frac{16}{9}*\frac{1}{2}bh

Recall that:

\frac{1}{2}bh = 9

A_2 = \frac{16}{9}*9

A_2 = 16

Hence, the area is 16 cm^2

3 0
3 years ago
-2 divided by 2 5/6<br> (make a fraction and simplify)
seropon [69]

Answer:

−12/17

Step-by-step explanation:

This is the answer because:

1) First, convert 2 5/6 to an improper fraction

2 5/6 = 17/6

2) Next divide -2/1 and 17/6

3) The reciprocal of 17/6 is 6/17

4) -2/1 ÷6/17 is -12/17

Hope this helps!

6 0
3 years ago
A sewing club used 48 feet of fabric to make 8 blankets. At this rate how many blankets can be made from 6 yards of fabric?
Scilla [17]
48f=8b
÷8    ÷8 (divided by 8)
6f=b
it takes 6 feet of fabric to make 1 blanket 
6f=1b                                                             3f=y
36f=6b
12y=6b

it takes 12 yards to make 6 blankets
7 0
3 years ago
Read 2 more answers
- 45/40 + 1.875 7th grade math class (khan academy) plz help I need to bring up my grade :)
Kruka [31]

Answer:

0.75 in decimal form or 3/4 in fraction form.

: )

6 0
3 years ago
10. Mr. Schmidt's classes combined have 42 boys and 56 girls. He wants to divide them up into
Gemiola [76]

Answer:

A: 7

B: 8

C: 6

Step-by-step explanation:

You have to try to find the the same greatest factor of both of the numbers.

Since both of the numbers are divisible by 7 the number of groups equals 7.

So you divide the number of girls, which is 56, by 7, the number of girls in each group is 8.

Then you divide the number of boys, which is 42, by 7, the number of boys in each group is 6.

7 0
3 years ago
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