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3 years ago

What is 45% of 8.5 ?

Mathematics

1 answer:

satela [25.4K]3 years ago

7 0

Answer:

3.825

Step-by-step explanation:

First, you have to move the decimal two over on 45%. If you move the decimal over two spaces to the right, it would be 0.45. In math, of means to multiply, so then you multiply 0.45 and 8.5 to get your answer of 3.825.

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Pls help me figure out the slope

cluponka [151]

Answer:

$m=\frac{-4}{5}$

General Formulas and Concepts:

Pre-Algebra

Order of Operations: BPEMDAS

Algebra I

Slope Formula: $m=\frac{y_2-y_1}{x_2-x_1}$

Step-by-step explanation:

Step 1: Define

Find points from graph.

Point (-3, 1)

Point (2, -3)

Step 2: Find slope m

Substitute: $m=\frac{-3-1}{2+3}$
Subtract/Add: $m=\frac{-4}{5}$

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2 years ago

What is a system of equations for the following situation? There is a total of 40 questions on a test. Some questions are multip

Elden [556K]

First we define the variables:

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s = short answer questions

Next we need to satisfy 2 conditions:

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$m+s=40$

2) The multiple-choice questions are worth 2 points and the short-answer are worth 4 points but they need to total 100 points. This can also be represented mathematically:

$2m+4s=100$

By satisfying the conditions provided we were able to create the 2 equations!

$m+s=40$

$2m+4s=100$

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3 years ago

A researcher is using a regular, two-tailed test with α = .05 to determine whether a non-zero correlation exists in the populati

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Step-by-step explanation:

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3 years ago

Complete the equation 3 x 18 = 3 x ____ x 9 Need answer ASAP

qwelly [4]

Answer:

Step-by-step explanation:

Since the 3's are the same on either side, you need to find a number that, when multiplied by 9, yields 18. The only number that satisfies that is 2, which is the answer. Hope this helps!

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What is 3n+2n simplified

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3 years ago

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