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kvv77 [185]
3 years ago
8

A:b= 5:8 and b:c=6:25 Find, in its simplest form, the ratio a:b:c

Mathematics
1 answer:
Ann [662]3 years ago
7 0

Answer:

a:b:c = 15:24:100.

Step-by-step explanation:

We need to make the values of b the same in both ratios so we multiply b = 6 by 4/3 to make it 8 and also multiply 25 by 4/3.

6  25 = 8 : 33.33......

So a:b:c = 5:8:33.33...

To convert to whole numbers we multiply by 3:

a:b:c = 15:24:100.

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Answer:

7

Step-by-step explanation:

9×7 = 63

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3 years ago
What are the coordinates of point P? Please help show steps it’s urgent!
Vlad [161]

Answer:

A (2, -8/5)

Step-by-step explanation:

The answer would be A I believe. This is because to get from C to D, it would be going down 6 and to the right by 10.

To make CP = 3/5CD. We multiply how much we move by 3/5:

-6 * 3/5 = -18/5 (note that the 6 would be negative because its going down)

and 10 * 3/5 = 6

Then we add these values to the coordinates of C:

(-4 + 6,  2 - 18/5) =

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3 years ago
The time between a lighting flash and the following thunderclap may be used to estimate, in kilometers, how far away a storm is.
Talja [164]
D=t/3

12=t/3
×3   ×3
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5 0
3 years ago
Factor completely x^4-17x^2+16​
Snowcat [4.5K]

Answer:

(x - 1) (x + 1) (x - 4) (x + 4)

Step-by-step explanation:

actor the following:

x^4 - 17 x^2 + 16

x^4 - 17 x^2 + 16 = (x^2)^2 - 17 x^2 + 16:

(x^2)^2 - 17 x^2 + 16

The factors of 16 that sum to -17 are -1 and -16. So, (x^2)^2 - 17 x^2 + 16 = (x^2 - 1) (x^2 - 16):

(x^2 - 1) (x^2 - 16)

x^2 - 16 = x^2 - 4^2:

(x^2 - 1) (x^2 - 4^2)

Factor the difference of two squares. x^2 - 4^2 = (x - 4) (x + 4):

(x - 4) (x + 4) (x^2 - 1)

x^2 - 1 = x^2 - 1^2:

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Factor the difference of two squares. x^2 - 1^2 = (x - 1) (x + 1):

Answer: (x - 1) (x + 1) (x - 4) (x + 4)

4 0
3 years ago
Multiply and simplify: 3a(4a2 – 5a + 12)
DochEvi [55]
3a(4a²-5a+12)

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~Hope this helped!~
3 0
3 years ago
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