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Anni [7]
3 years ago
9

Marci mailed 9 letters at the post office. Each letter weighed 3.5 ounces. What was the total weight of the letters?

Mathematics
1 answer:
EleoNora [17]3 years ago
6 0

Answer:

The total weight of the letters was 31.5 oz.

Step-by-step explanation:

9 x 3.5 =

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0.5 grams of salt is equal to how many milligrams show you work
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500 milligrams (mg)

Step-by-step explanation:

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Robyn uses cup of blueberries to make each loaf of blueberry bread. Explain how many loaves of blueberry bread she can make with
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2 loaves of blueberry bread

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2 years ago
Myra has a remote-controlled toy boat. She runs the toy boat on a lake at a constant speed. The graph of a function representing
lawyer [7]

The coefficients of the linear equation are:

  • Rate of change = 4.2
  • Initial value = 3.8

This means that the correct options are B and E.

<h3><u>How we can find the linear equation?</u></h3>

First, a general linear equation is written as:

y = a*x + b

Where a is the rate of change (also called slope) and b is the y-intercept (also called initial value).

If we know that the line passes through two points (x₁, y₁) and (x₂, y₂), then the rate of change is given by:

a = \frac{y_2 - y_1}{x_2 - x_1}

In this case, we know that the line passes through:

(1, 8) and (1.5 , 10.1)

Then the rate of change is:

a = \frac{10.1 - 8}{1.5 - 1}  = 4.2

So the line is something of the form:

y = 4.2*x + b

To find the value of b we can use one of the given points, I will use (1, 8).

This means that when x =1, we have y = 8, replacing that we get:

8 = 4.2*1 + b

8 - 4.2 = b

3.8 = b

So we have:

  • Rate of change = 4.2
  • Initial value = 3.8

Then the correct options are:

B and E.

If you want to learn more about linear equations, you can read:

brainly.com/question/4025726

4 0
2 years ago
1/2divide by 5 =1 blank of 1/2
castortr0y [4]

Answer:

i am pretty sure that it is .2,

Step-by-step explanation:

first, you would do .5 divided by 5 which is 0.1. Then you would do 0.1 divided by 0.5 and you would get 0.2


3 0
3 years ago
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