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serg [7]
3 years ago
9

Can anyone help with these two questions

Mathematics
1 answer:
Gala2k [10]3 years ago
6 0

Answer:

8)

9x+6=60 (Alternate angles)

9x=54

x=6

9)

13x-6=12x+1 (Vertically opposite angles 3 times)

13x=12x+7

x=7

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Which ratios are equal to 64 when the scale factor is 8? Select all that apply.
Luden [163]

Answer:

The scaled surface area of a square pyramid to the original surface area.

The scaled area of a triangle to the original area.

Step-by-step explanation:

Suppose that we have a cube with sidelength M.

if we rescale this measure with a scale factor 8, we get 8*M

Now, if previously the area of one side was of order M^2, with the rescaled measure the area will be something like (8*M)^2 = 64*M^2

This means that the ratio of the surfaces/areas will be 64.

(and will be the same for a pyramid, a rectangle, etc)

Then the correct options will be the ones related to surfaces, that are:

The scaled surface area of a square pyramid to the original surface area.

The scaled area of a triangle to the original area.

5 0
3 years ago
After working for 25 hours lammer made $375 after working 40 hours lammer made $600 predict how much will he make after 10 hours
Alex
25hr. 40h. 10hr

375$ 600$ x

25 . 40 . x = 1000
375 . 600 = 225000
225000÷1000
x = 225
3 0
3 years ago
Find the measure of the missing angle <br><br> Answer: a=
makvit [3.9K]

Answer:

Hello! answer: 49

Step-by-step explanation:

This is a complementary angle meaning it will add up to 90 degrees so...

90 - 41 = 49 therefore a = 49 hope that helps!

5 0
3 years ago
Read 2 more answers
A scale drawing of a building is one foot to 1/4 inch what is the actual length of the building if the scale drawing shows that
abruzzese [7]
The length is 54 ft because 13.5 in. is equal to .25*54 so 1*54 would be your answer in feet.
3 0
3 years ago
Please help quickly !!
Nataly_w [17]

Answer:

16.5x == 465.3

Step-by-step explanation:

To find the rate , take the number of miles and divide by the gallons

rate = 465.3 / 16.5

Let the rate be x

x = 465.3 / 16.5

Multiply each side by 16.5

16.5x =  465.3

6 0
3 years ago
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