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jok3333 [9.3K]
3 years ago
9

Please help, i need to pass ​

Mathematics
1 answer:
emmainna [20.7K]3 years ago
4 0

Answer: It would be D i'm pretty sure

Step-by-step explanation:

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If the ratio of the triangular pyramids' surface areas is 4:9, what is F?
VladimirAG [237]

Answer:

The answer to your question is f = 10.35 in

Step-by-step explanation:

Data

Proportion = 4:9

height 1 = 4.6 in

height 2 = f

Process

1.- Write the proportion

                            \frac{4}{4.5} = \frac{9}{f}

2.- Solve for f

                            f(\frac{4}{4.6}) = f(\frac{9}{f})

                                   f(\frac{4}{4.6}) = 9

                                   4.6\frac{4f}{4.6} = 9(4.6)

                                           4f = 41.4

                           \frac{4f}{4} = \frac{41.4}{4}

                                           f = 10.35 in          

4 0
3 years ago
Jerome photographed an aquarium that measured 12 inches by 18 inches by 24 inches. Lim photographed an aquarium that was 12 inch
8090 [49]

Answer:

the answer is 864 in3

Step-by-step explanation:

Jerome photographed an aquarium that measured 12 inches by 18 inches by 24 inches.

So V=LxWxH....

12 x 18 x 24= 5,184

Then...

Lim photographed an aquarium that was 12 inches by 30 inches by 12 inches.

So= V=LxWxH

12 x 30 x 12=4,320

And they need to see who has more so 5,184-4,320=864in3

I hope this helps also Into Math said it was correct :)

6 0
3 years ago
Jean adds 35 and 9 how can she solve using only equations to model her thinking ?explain
alisha [4.7K]
35+9
It shows that she is adding so add the two numbers together
7 0
3 years ago
(5,1) and (-9,y) slope=-1/7
Kitty [74]

Answer:

y = 3

Step-by-step explanation:

Equation of a line: y = mx + b

Substitute -1/7 for m, slope AND x and y for point (5,1).

1 = (-1/7)(5) + b

Simplify and Isolate b

1 = (-5/7) + b

b = 1 + 5/7

b = 12/7

Sub b=12/7 and m=-1/7 for equation of a line.

y = -1/7 x + 12/7

Sub x = -9 to find the missing y coordinate.

y = (-1/7)(-9) + 12/7

y = 21/7

y = 3

The point is (-9, 3).

5 0
3 years ago
Add one third to 5 times d
DochEvi [55]
As it is the problem is unsolvable because it doesn't have an =
5 0
3 years ago
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