MATHEMATICS MIDDLE SCHOOL

Please answer 7 and 8 !!!!!!

Answers

Answer 1

Answer:

Answer:

B and C

Step-by-step explanation:

7 would be B. m = 2

8 would be C m = -1/2

If a line is parallel, then the slop is the same. If it is perpendicular, the it will be the opposite sign and the reciprocal. So parallel would be 2 and perpendicular would be -1/2

Hope this helped! :)

Answer 2

Answer:

Answer:

7. m= -2

8. m= -1/2

Step-by-step explanation:

picture is taken

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The sum of two numbers is 80. The ratio of those two numbers is 3:5 Find the larger number

2x898 tell which strategy

Answers

2 x 898 = 1,796. If you want to verify if it is right, plug it bag in: 1,796 / 2 = 898.

Answer:

Multiplication.

Step-by-step explanation:

Identify the percent of change (POC) as an increase or decrease. Then find the percent of change. Round to the nearest tenth of a percent if necessary.-12 inches to 36 inches
-50 punds to 35 pounds
-10 gallons to 24 gallons
-16 centimeters to 44.2 centimeters

If you could explain this as simple as possible with the work, for I have problems understanding things well, then that would be a HUGE help!

If you can answer all 4, I'm awarding 20 points!!

Answers

percent change=(change/original) tiimes 100 change= |original-new| so 12 to 36 |12-36|=|-24|=24 so pcercent change=100 times (24/12)=100 times 2=200% 50 to 35 |50-35|=|15|=15 percent change=100 times (15/50)=100 times 100 times 0.30=30% 10 to 24 |10-24|=|-14|=14 percent change=100 times (14/10)=100 times 1.4=140% 16 to 44.2 |16-44.2|=|-28.2|=28.2 percent change=100 times (28.2/16)= 100 times 1.7625=176.25% answers are -12 inches to 36 inches: 200% -50 punds to 35 pounds: 30% -10 gallons to 24 gallons: 140% -16 centimeters to 44.2 centimeters: 176.25%

PLEASE HELP I"M DESPRITE!!!!Write a real world problem involving multiplication properties of an inequality that would have the solution x is greater than or equal to 25.
PLEASE!!! I"M BEGGING YOU!!!

Answers

A rectangle has a 20-inch width. If the perimeter is at least 180 inches, what length must it be?

What is inequality?

In mathematics, inequalities specify the connection between two non-equal numbers. Equal does not imply inequality. Typically, we use the "not equal sign ()" to indicate that two values are not equal. But several inequalities are utilized to compare the numbers, whether it is less than or higher than.

Given, the solution x is greater than or equal to 25.

For this, we need to do reverse engineering

So, x ≥ 25

Let's multiply both sides with 0.2

0.2x ≥ 5

Add 6 on both sides

0.2x + 60 ≥ 65

For example;

Let x be the number of items sold so for real life example salary of James is 60$ per day and also he earns an incentive of 1/5 of the price of the item sold.

Learn more about inequalities here:

brainly.com/question/30231190

#SPJ2

Answer:

I have a lot for you. You can choose which one!!

Step-by-step explanation:

1.In order to get a bonus this month, Leon must sell at least 120 newspaper subscriptions. He sold 85 subscriptions in the first three weeks of the month. How many subscriptions must Leon sell in the last week of the month?

2.Virenas Scout troop is trying to raise at least $650 this spring. How many boxes of cookies must they sell at $4.50 per box in order to reach their goal?

3. The width of a rectangle is 20 inches. What must the length be if the perimeter is at least 180 inches?

Hope this helps!! XD

Find the sum of 12.56 and 45.89

Answers

12.56 + 45.89
= (12+45) + (0.56+0.89)
= (57) + (1.45)
= 58.45

Sum means to add.
12.56 + 45.89 = 58.45 is the answer

"You and your friend leave your houses at the same time to meet at a restaurant. The distance (in miles) your friend is from the restaurant is given by y=−40x+200, where x is the number of hours since your friend left home. You live 100 miles from the restaurant and arrive at the same time as your friend. Write a linear equation that represents your distance from the restaurant."

Answers

The equation will be:

$y=-20x+100$

Why?

Let's work with your friend equation in order to find the time from his house to the restaurant (is the same as yours).

We are given the following function:

$y=-40x+200$

When: $y=0$ our friend arrived, so, calculating "x", we have:

$0=-40x+200\n\n40x=200\n\nx=(200)/(40)=5h$

We have that it took 5 hours for our friend to arrive at the restaurant, and it's the same time for you. We know that you live 100 miles from the restaurant.

Your equation will have the following form:

$y=-k*x+distance$

Where,

y is the position

k is the rate distance/time

x is the time

Now, again, when $y=0$ , you will have arrived at the restaurant too, so:

$0=-k*x+100$

Using "x" equal to 5 hours, because you will have arrived at that time too, we have:

$0=-k*5+100\n\nk=(100)/(5)=20$

Your equation will be:

$y=-20x+100$

Have a nice day!

the pomerantz family has a small rectangular pond fo their flower garden. the pond is 6 feet long and 4 feet wide if the water in the pond is 2 feet deep what is the volume of the water

Answers

2 x 4 x 6

8 x 6

48 ft²

I think the answer would be 48 cubic ft. would be the volume for the pond.

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