Its colder than -2 outside as an inequality

Answers

Answer 1

Answer: Brr! That's cold!

If it's colder than -2 degrees outside, then doesn't that mean it's less than -2 degrees? What is the less than sign? <!

We're going to use "O" to stand for outside. If O is < -2 degrees, wouldn't your inequality be O<-2? ;) There's your answer!

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Which point is on the graph of the equation y = 2x - 5?(3, -1)
(2, -5)
(4, 2)
(2, -1)

Answers

The x in this equation is the first number in the brackets, and the result of the equation is the second number in the brackets. So all that needs to be done is to substitute x for 3, 2 and 4 and see which one has the correct answer.
3 X 2 = 6. 6 - 5 = 1 (3, 1)
2 X 2 = 4. 4 - 5 = -1 (2, -1)
4 X 2 = 8. 8 - 5 = 3 (4, 3)

The only one of those coordinates that are the same as any of the given answers are (2, -1). Therefore, that is the answer.

Answer:

(2,-1)

Im right because I got it right on my math quiz

Please can someone also help me with this. Thanks so much

Answers

A).
Area of a rectangle = (length) x (width)

72 square feet = (9 feet) x (width)

Divide each side of this equation by (9 feet)
and you have:

(72 square feet) / (9 feet) = width .

You can finish this off and find the width.

Once you know both the length and the width,
you're ready to go on to part-B.

B).
The perimeter of a rectangle is the distance all the way around it.
If you start at one corner and walk all the way around it, you'll
have to walk the length 2 times, and the width 2 times.

You know both the length and the width of the class mural,
so you can easily find the perimeter.

Part a is 63 part b is 36 (i promise i didnt flip flop the numbers

What is the mean to a math problem

Answers

It's the average of a data set. It can be found by adding all the numbers and dividing it by how many numbers there are.

Is the average of the numbers. It is easy to calculate: add up all the numbers, then divide by how many numbers. In other words it is the sum divided by the count.

The ratio of adults to children at a picnic is 4 to 5. The total number of people at the picnic is 27. How many adults and children are at the picnic? Include steps.

Answers

There are 12 children and 15 adults at the picnic.

Add together the ratios 4 and 5 and divide the amount of people by that number (so 27 divided by 9)

You then get 3. So then multiply both sides of your ratio by 3. (4:5 ----> 12:15)

Hope this helps a little.

Give me 3 ratios that are equal to 40/50 75/100 and 21/18

Answers

Three ratios that are equal to 40/50, 75/100, and 21/18 are 4/5, 3/4, and 7/6. The question is essentially asking you to simplify fractions. For example, 8/10 can also be represented as the ratio 8:10. This fraction can be simplified to 4/5, and the ratio 4:5 is the same as the ratio 8:10.

Erin received the following scores on her last four spelling tests.21\25, 82%, 0. 8, 17\20.Which of these is Erin’s highest score?