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3 years ago

7/27 divided by 9/25

Mathematics

1 answer:

myrzilka [38]3 years ago

5 0

7/27 divided by 9/25 = 175/243
Hope this helps you! :D

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jasmine bought wax that will cover 400 square feet per gallon. jasmine needs to wax 4704 square foot surface with 2 coats of wax

WINSTONCH [101]

Answer:

Step-by-step explanation:

400 × 12 = 4,800

4,800 needed for ONE coat.

Since you need TWO coats, double 12, then you should get 24.

4 0

3 years ago

What is the length of CD? In this diagram, ABC ~ EDC.

Alex777 [14]

Hey there!

Answer:

CD = 3.

Step-by-step explanation:

Since the triangles are similar, we can set up a ratio to determine the other side-lengths:

$\frac{12-x}{18} =\frac{x}{6}$

Cross multiply:

$6(12-x) = 18x$

Distribute the '6':

$72-6x = 18x$

Combine like terms and simplify:

$72 = 24x$

$x = 3$

Therefore, the length of CD is 3.

5 0

4 years ago

Please solve these equations much appreciated

Reptile [31]

Answer:

Part c) $V=16,500\ m^3$

Part d) $V=93,312\pi\ mm^3$ or $V=292,999.68\ mm^3$

Step-by-step explanation:

Part c) Find the volume of the inverted rectangular pyramid

The volume of the rectangular pyramid is equal to

$V=\frac{1}{3}Bh$

where

B is the area of the rectangular base

h is the height of pyramid

Find the area of the base B

$B=(60)(15)=900\ m^2$

$h=55\ m$

substitute

$V=\frac{1}{3}(900)(55)$

$V=16,500\ m^3$

Part d) Find the maximum volume of tea in the tea cup

we know that

The volume of cylinder (tea cup) is equal to

$V=\pi r^{2}h$

we have

$r=36\ mm\\h=72\ mm$

substitute

$V=\pi (36)^{2}(72)$

$V=93,312\pi\ mm^3$ -----> exact value

Find the approximate value

assume

$\pi =3.14$

$V=93,312(3.14)=292,999.68\ mm^3$

7 0

3 years ago

The scale factor from the large triangle to the small triangle is 3:1 What is the length of side x of the smaller triangle?

aleksley [76]

Answer:

10 i guess

cause

8*3=24

3*10=30

3 0

3 years ago

Read 2 more answers

What is the distance of segment BF (look closely...it isn't drawn)?

Vlad [161]

The distance of BF is 7.07

4 0

3 years ago