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tigry1 [53]
3 years ago
15

Which of the following is another way to express the difference between -5 and 8

Mathematics
1 answer:
Airida [17]3 years ago
7 0

Answer:

-5 - 8 = -13

Another way to express the difference is:

-8 + (-5) = 13

Step-by-step explanation:

(Picture)

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A magic carpet is made with three different colors of yarn. The ratio of each color is shown below. 10 parts gold yarn, 7 parts
serious [3.7K]

Answer: 22.5 yards

Step-by-step explanation:

There are a total of 20 parts yarn. This means that 3/20 of the carpet is silver. So in order to compare this to the 150 meters of total yarn, you would set up this equation:

3/20 = x/150

Next, you cross multiply:

3*150 = 20*x or simplified would be 450 = 20x

Next, you divide both sides by 20 to get x by itself.

450/20 = 22.5, so x is equal to 22.5

This means you have 22.5 yards of silver in the carpet.

7 0
3 years ago
What can you conclude from her work? Check all that apply.
enot [183]

Answer:

first, third and last one

Step-by-step explanation:

10 0
3 years ago
Read 2 more answers
You run 4and3/4 miles through a park each day if you ran that distance five times last week how many miles did you run
zzz [600]
23.75 miles, because you would take 4 and 3/4 (4.75) and multiply by 5 :)
7 0
3 years ago
An object has a mass of 225 g and a volume of 15 cm3.<br> Find the density of the object in g/cm3
ioda

Answer:

D=m/v

=225g/15cm^3

=15g/cm^3

Step-by-step explanation:

The formula for calculating density is: density=mass/volume.

after collecting data you will see that all the data is already in the question and there's no need to convert any units. Divide the mass by the volume and you'll have the density in g/cm^3

5 0
2 years ago
In a teacher's math course, a linear regression line was calculated to predict
Marat540 [252]

The given equation is the best line that approximates the linear

relationship between the midterm score and the score in the final exam.

  • AJ's residual is 0.3, which is not among the given options, therefore, the correct option is. <u>E. None of these</u>.

Reasons:

The given linear regression line equation is; \hat y = 25.5 + 0.82·\mathbf{\hat x}

Where;

\hat y = Final exam score;

\hat x = The midterm score;

AJ score in the first test, \hat x = 90

AJ's actual score in the exam = 99

Required:

The value of AJ's residual

Solution:

By using the regression line equation, we have;

The predicted exam score, \hat y = 25.5 + 0.82 × 90 = 99.3

  • The residual score = Predicted score - Actual score

∴ AJ's residual = 99.3 - 99 = 0.3

AJ's residual = 0.3

Therefore, the correct option is option E;

  • <u>E. None of these</u>

Learn more about regression line equation here:

brainly.com/question/9339658

brainly.com/question/7361586

brainly.com/question/14747095

6 0
2 years ago
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