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mote1985 [20]
3 years ago
15

In table 2, at this rate how many books can you buy with 5$

Mathematics
1 answer:
Ad libitum [116K]3 years ago
3 0

Answer:

3 books

Step-by-step explanation:

6/10=0.6

0.6*5=3

so 3 books

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17 leaves

Step-by-step explanation:

A

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Find A. Round to the nearest tenth.
Marianna [84]

Answer:

27.8 degrees

Step-by-step explanation:

Wasn't it 'a,' not 'A,' that you wanted?

The ratio a/ 30 is the cosine of the angle 22 degrees, which in turn is 0.927:

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Then 0.927 = -------    which yields a = 30(0.927) = 27.8 degrees

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navik [9.2K]
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) Jess has saved dimes ($ 0.10) and quarters ($ 0.25) in their piggy bank. Define the variables and write a
Mamont248 [21]

Answer:

Quarters = 10

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Step-by-step explanation:

d = number of dimes, q = number of quarters

d + q = 25 is the equation for number of coins

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First, solve for d in terms of q:

d + q = 25

d = 25 - q

Then substitute that into the other equation:

0.1(25 - q) + 0.25q = 4

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And back to d = 25 - q, d = 25 - 10 = 15

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4 0
3 years ago
What is the inverse of the function f(x)=1/9x+2
Anna35 [415]

Answer:

f^{-1}(x)=9x-18

Step-by-step explanation:

we have

f(x)=\frac{1}{9}x+2

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y=f(x)

y=\frac{1}{9}x+2

Exchange variables x for y and y for x

x=\frac{1}{9}y+2

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Let

f^{-1}(x)=y

f^{-1}(x)=9x-18 -------> inverse function

7 0
3 years ago
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