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3 years ago

F(x) =8+2x and g(x) =1/2x the value of f/g(5)

Mathematics

1 answer:

Alona [7]3 years ago

7 0

Hello :
 (f/g)(5) = (f(5))/(g(5)) = (-8+2(5))/((1/2))(5) = 2/(5/2)
(f/g)(5) = 4/5

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3 years ago

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vlada-n [284]

Hey there! :D

Let's keep the fraction 5/7 in mind. We should be able to reduce everything to 5/7.

15:21 (divide both by 3) you get 5:7. That is equivalent.

10 to 14. Divide both by 2. 5 to 7. That is equivalent.

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3 years ago

Ana is 555 years younger than her sister, Beatriz. 1. Write an equation that represents how old Ana is (a) when Beatriz is b yea

White raven [17]

Answer:

1. B-555

2. -532

Step-by-step explanation

1. Since Ana is 555 years younger you would have to find the difference between their ages, since Ana is younger you would subtract her age, B, from her sister's, Beatriz age, who is 555 years older.

2. If Beatriz is 23 and Ana is 555 years younger you just subtract 555 from 23, which is negative 532

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2 years ago

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What is the value of a in the equation 5a -10b = 45 when b = 3

leva [86]

Salutations!

$5a-10b = 45$

value of $b = 3$

Multiply 10 and 3

$10*3=30$

Now, you can solve the equation --

$5a-30=45$

separate the variables aside, and the numbers aside.

$5a=45 +30$

$5a=75$

$a=75/5$

$a=15$

Hope I helped (:

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6 0

3 years ago

PLEASE HELP!!!

Ksju [112]

ANSWER

$a = 1,2,3,6$

EXPLANATION

The given equation is

$ax = 6$

Divide both sides by $a$

$\Rightarrow \: \frac{ax}{a} = \frac{6}{a}$

Cancel out common factors on the left hand side,

$\Rightarrow \: x = \frac{6}{a}$

For this solution to be a whole number, then $a$ should be a factor of
$6$ .

The reason is that, factors of 6 will divide exactly in to 6 without a remainder, making the answer a whole number.

The whole numbers that are factors of 6 are,

$1,2,3 \: and \: 6$

Note that, the set of whole numbers are,

{ $0,1,2,3,4,...$ }

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3 years ago

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