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3 years ago

Select all ratios equivalent to 4:16. 3:12 6:48 5:4

Mathematics

2 answers:

Dominik [7]3 years ago

7 0

3:12

4/16=.25
3/12=.25

PSYCHO15rus [73]3 years ago

6 0

Answer

Step-by-step explanation:

neither

brainlest

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5(4x-7) +3 (3x+3) can someone help me please

ivann1987 [24]

Answer:

The expression 5(4x - 7) + 3(3x + 3) can be simplified to 29x - 26

Step-by-step explanation:

The first step in solving this is to apply coefficients to the contents of the brackets:

5(4x - 7) + 3(3x + 3)

= 5 × 4x - 5 × 7 + 3 × 3x + 3 × 3

= 20x - 35 + 9x + 9

Now you can group like terms:

20x - 35 + 9x + 9

= 20x + 9x - 35 + 9

= (20 + 9)x - 26

= 29x - 26

And that is the final answer.

4 0

3 years ago

Please answer correctly !!!!!!! Will mark 30 points !!!!!!!!!!!!!!!!

Sav [38]

Answer:

x <- x - 5

Step-by-step explanation:

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3 years ago

Which is the graph of 5x + 4y > 2

NNADVOKAT [17]

Answer:

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Step-by-step explanation:

4 0

3 years ago

Please help me find out what the question marks are

quester [9]

Question a

g(x) times $\sqrt{x-5}=\sqrt{x^2-5}$
divide both sides by √(x-5)
$g(x)=\frac{\sqrt{x^2-5}}{\sqrt{x-5}}$
$g(x)=\frac{(\sqrt{x-5})(\sqrt{x^2-5})}{x-5}$
$g(x)=\frac{\sqrt{x^3-5x^2-5x+25}}{x-5}$

question b
$g(x) \space\ times \space\ 1+\frac{1}{x}=x$
divide both sides by 1+1/x
$g(x)=\frac{x}{1+\frac{1}{x}}$
times by x/x
$g(x)=\frac{x^2}{x+1}$

question c
$\frac{1}{x} \space\ times \space\ f(x)=x$
times both sides by x
$f(x)=x^2$

question d
the (f*g)(x) collumn seems to have a domain of only x is greater than or equal to 0?
so maybe we squared the whole thing, ya
wait
ah, ya
basically
$|x|=(\sqrt{x})^2=(\sqrt{x})(\sqrt{x})$
so f(x)=√x

a. $g(x)=\frac{\sqrt{x^3-5x^2-5x+25}}{x-5}$
b. $g(x)=\frac{x^2}{x+1}$
c. $f(x)=x^2$
d. $f(x)=\sqrt{x}$

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4 years ago

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Which of the following represents all solutions to the equation <br> 1/3x^2 +10 = 7

fredd [130]

Answer:

1 +-3i

Step-by-step explanation:

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2 years ago

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