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3 years ago

In the following problem, the ratios are directly proportional. Find the missing variable.

Mathematics

1 answer:

KATRIN_1 [288]3 years ago

7 0

Answer:

x1 = 3

Step-by-step explanation:

first set up the proportion (write as fractions):

(y1/x1) = (y2/x2)

then fill in the variables:

4/x1 = 8/6

now cross multiply:

8 • x1 = 6 • 4

simple algebra:

8 • x1 = 24

x1 = 24/8

x1 = 3

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Is the simplified form of 2-3 + 3.3 rational? Yes No

N76 [4]

Answer:

YES IT IS

Step-by-step explanation:

2-3 + 3.3

= -1 + 3.3

= -4.3

We learn that:

Rational number: rational number is the number that can be written as a/b (a and b would be intergers and b is not equal to 0). Rational number would be most of numbers we use in out life, except Square root and Pi number.

In this case, -4.3 can be write as -43/10

So YES it would be a rational number

Hope this helped :3

6 0

3 years ago

The amount of time between interest payments is known as:

son4ous [18]

A. period.

This is the answer

4 0

3 years ago

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Anni [7]

Step-by-step explanation:

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hfzbcEdfgaywjshhsbxbxbxb. seznnxndndnndnxnbxhxududhbdxhhbxhjxjdbnzjsnsnnznzidnxnsbnzjxldkdjdnbx

4 0

3 years ago

Plz help me look at the Picture

Tcecarenko [31]

Answer: C & E

40% is equal to 0.4 as a decimal. As a fraction it is equal to 2/5 in simplest form.

In order to find the present you would have to multiple one of the numbers above by the initial value 84.

If you would like further explanation let me know. :)

6 0

3 years ago

Please how is this solved please

jek_recluse [69]

Answer:

63.4°

Step-by-step explanation:

Pole height = 1

shadow = 1/2

tan ∠CAB = 1 / (1/2) = 2

∠CAB = 63.4°

7 0

3 years ago