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2 years ago

Which of the following is a rational number? EXPLAIN WHY FOR BRAINLIEST

Mathematics

1 answer:

Romashka-Z-Leto [24]2 years ago

7 0

It’s B because it equals -8 when simplified which is a rational number

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What is the f(5) for the function f(x)=3x+6

o-na [289]

Answer:

Step-by-step explanation:

$f(x)=3x+6 \\ \\ plug \: x = 5 \\ \\ f(5)=3(5)+6 \\ \\ f(5)=15+6 \\ \\ f(5)=21$

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2 years ago

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Which of the following are solutions to the equation below? Check all that apply. (3x - 5)2 = 19 O A. x= 19+ olm B. x= 119 +5 I

asambeis [7]

Solution

$(3x-5)^2=19$

For this case we can take square root in both sides and we have:

$3x-5=\pm\sqrt[]{19}$

And solving for x we got:

$x=\frac{5\pm\sqrt[]{19}}{3}$

then the solutions for this case are:

B and E

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4 months ago

A sport jacket that sells for $165 has a markup of $85. Find the wholesale price.

olganol [36]

I'm not 100% sure but I believe it's $250

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2 years ago

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Solve y

Ksivusya [100]

The value of y in $-3 = 7\left(y-\dfrac97\right)$ is 6/7

<h3>How to solve for y?</h3>

The equation is given as:

$-3 = 7\left(y-\dfrac97\right)$

Open the bracket

-3 = 7y - 9

Add 9 to both sides of the equation

7y = 6

Divide both sides by 7

y= 6/7

Hence, the value of y in $-3 = 7\left(y-\dfrac97\right)$ is 6/7

Read more about equations at:

brainly.com/question/2972832

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<u>Complete question</u>

Solve for y

$-3 = 7\left(y-\dfrac97\right)$

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1 year ago

Plz answer these 2 i really need help I'm not all that smart

kati45 [8]

Answer: 141.7 cm3

Explanation: you multiple 6.1, 6.7, 10.4 then divide by 3 which equals 141.68. Round it and we’re left with 141.7 cm3.

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2 years ago

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