3 years ago

Which of the following statements correctly compared lines a and b

Mathematics

1 answer:

3241004551 [841]3 years ago

8 0

The second one is right

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Write the augmented matrix for each system of equations.

Virty [35]

Answer:

see below

Step-by-step explanation:

List the coefficients and constant for an equation in one row of the matrix. The variables should be in the same order. Any missing terms are replaced by zero.

$\left[\begin{array}{ccc|c}9&-4&-5&9\\7&4&-4&-1\\6&-6&1&-5\end{array}\right]$

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3 years ago

Jane bought 4 books, 3 cups, and 7 rungs. She paid $4 per book, $5 per cup, and $10 per ring. Estimate her change from $50 bill

vlada-n [284]

Hello!

Let's multiply each thing here.

4(4)=16

3(5)=15

15=16=31

50-31=29

Therefore, her change is $29.

I hope this helps!

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3 years ago

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At 6 a.m. the temperature was 18oF. By noon it had risen to 36oF. A student claimed that it was then "twice as warm" as it was a

mart [117]

Yes, 18 x 2 + 36, therefore the student was correct

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A stack of 5 books welghs 9.5 pounds. If each book weighs the same amount, how much does each book weigh?

Dafna11 [192]

9.5/5 = 1.9 lbs each

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3 years ago

What are coordinates the of y=1.25x-3

faust18 [17]

I hope this helps you

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