MATHEMATICS MIDDLE SCHOOL

The equation of a line is y=-3x - 2. What are the slope and the y-intercept of the line?A.
slope = -3 and y-intercept = 2
B.
slope = 3 and y-intercept = -2
C.
slope = 3 and y-intercept = 2
D.
slope = -3 and y-intercept = -2

Answers

Answer 1

Answer:

D, because everything in front of the x is the slope and everything after the x is the y- intercept

Answer 2

Answer:

Answer:

The correct answer is (D) slope=-3 and y-intercept=-2

Step-by-step explanation:

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the number of girls and boys in math class totals 27. how many girls are there if the of girls is 3 more than twice the number boys?

mollys jump rope is 6 1/3 feet long. Gals jump rope 4 2/3 feet lo g. How much longer is Molly's jump rope?

Answers

6 1/3- 4 2/3 =5 4/3- 4 2/3=1 2/3
You can't subtract fractions unless you have the same denominator.

The correct answer is 1 2/3 because 6 1/3=19/3 and 4 2/3=14/3 and 19/3-14/3=5/3=1 2/3

Which strategy would you use to find 2+8 explain how you decided

Answers

In this problem we need to make the following addition:

2 + 8

According to this I would use the following strategy:

1. Break apart strategy:

This strategy consists in the decomposition or separation of numbers. In this way, we may break number 2 and 8 down to place value and add each, starting with the 8 or keep one number intact and only break second number down by place value and adding each place. Anyway, using this strategy we have:

2 + 8 = ?

Thus, 2 breaks into 1 plus 1 (1 + 1), 8 breaks into 4 plus 4 (4 + 4), so by associative property:

$(1+4)+(1+4) = 5+5=\boxed{10}$

2. Explain how I decided.

The strategy of breaking apart numbers is an easy way to find additions. This strategy is amazing to add larger numbers. Therefore, we may break larger numbers up into hundreds, tens, ones, then add them.

You would use the addition strategy.

This is because there is a plus sign, which signifies addition. So, 2 + 8 = 10. If there had been a minus sign (-), you would be subtracting. Additionally, if there was a multiplication (x) or division (/) sign, you would multiply or divide, respectively.

What fraction is bigger 1/5 or 3/10

Answers

1/5 = 0.2
3/10 = 0.3

Therefore 1/5 < 3/10.
Just convert them to decimals or make the denominator of 1/5 to 10 ie:
2/10

Hope I helped!

3/10 is bigger. To find this answer, you can change 1/5 so it has a common denominator with 3/10, and you will see that it is equal to 2/10. Another way to solve this would be to change the fraction into decimals. 1/5 is equal to .2 and 3/10 is equal to .3, so it is the greater number.

What is the sign of the product?(–12)(12)(–6.3)(–0.2)(–15.9)

A.
positive

B.
negative

Answers

Hi!
Okay so a negative (-12) times a positive (12) is a negative.
A negative times a negative (-6.3) is a positive.
A positive times a negative (-0.2) is a negative.
And finally a negative times a negative (15.9) is a positive.
So it's A.

your answer would be A.Posative

Which figure appears to have only 1 line of symmetry

Answers

A line of symmetry is a line you can fold a figure over so that everything matches up.

The heart has a vertical line of symmetry--fold it over that line and everything will match up perfectly.

The rectangle has two, vertical and horizontal.

The stop sign has way more than two, (eight, actually) and the sock has none.

The heart is the correct choice.

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The five employees who work the late shift answer questions about management.

Henry asks five of his friends to fill out a survey to find out their favorite musicians.

The five people seated on the first row at the circus are asked their opinion about the animal acts.

Five employees out of 2,000 are chosen randomly to complete an anonymous survey.