2 years ago

Select the correct answer.

Mathematics

1 answer:

Marat540 [252]2 years ago

5 0

I just did it it’s 212

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Fill in the missing number?<br> ?(3+5) = 6 + 10

gizmo_the_mogwai [7]

Answer:

?=2 (ik i answered but i kinda want the points)

Step-by-step explanation:

first look at the problems ? x (3+5) = 6 +10

so ? x 8 = 16 so dvide 16 by 8 and you'll end up with a solid 2

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3 years ago

Teresa's restaurant bill comes to $29.99 before tax. If the sales tax is 6.25% and she tips the waiter 20%, what Is the total co

tamaranim1 [39]

My answer would be 39$ but i kept rounding it up.

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2 years ago

When solving this system of linear equations with the elimination method, you can multiply the bottom equation by 3.

tekilochka [14]

Answer: The correct option is A.

Explanation:

The system of equations is,

$3x+6y=38$

$5x-2y=-30$

When solving this system of linear equations with the elimination method, we can multiply the bottom equation by 3.

$3(5x-2y)=3(-30)$

This step works because according to the multiplication property of equality,

If,

$a=b$ ... (1)

Multiplied both side by m then,

$ma=mb$ ..... (2)

Then (1) and (2) are equivalent equations.

So, by multiplication property of equality, the second equation can be multiply by 3.

Therefore, he correct option is A.

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2 years ago

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Suppose that a travel bureau claims that the trees in a forest are 83 feet tall on average, With a standard deviation of 2 feet

valentinak56 [21]

Answer:

Step-by-step explanation:

Given mean = 84,

Standard deviation = 2,

Sample 64,

95% confidence interval: z = 1.96

Applying empirical rule , means that 95% of data fall within two standard deviations.

ME = = 0.49

Rounding this to 0.5

CI = 83.5< mean < 84.5

Outside of this range= x ≤ 83.5 and ≥ 84.5

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2 years ago

A printer is printing photos, for every 6 photos, the printer takes 2 minutes

patriot [66]

Whats the question? It prints 3 photos a minute.

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