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Viktor [21]
3 years ago
9

Write a positive or negative number to represent each change in the high temperature.

Mathematics
1 answer:
Flura [38]3 years ago
5 0

Answer:

1. -4
2. -3.5

3. 6.5

4. -2

Step-by-step explanation:

LESS and MORE are the clues

You might be interested in
Determine if the situation described in each row can be represented by 9x+3=21 or by 3x+9=21. Select the correct answer in each
grin007 [14]

Selina gave 2 stickers to each of her friends.

Robert bought 4 bottles of paint.

<h3>What is a numerical expression?</h3>

A numerical expression is a mathematical statement written in the form of numbers and unknown variables. We can form numerical expressions from statements.

Given, Selina had 21 stickers. She gave the same amount of stickers to each of her 9 friends and had 3 stickers left over.

This can be represented as,

9x + 3 = 21.

9x = 18.

x = 2.

So, she gave 2 stickers to each of her friends.

Robert went to an art supply store.

He got a pack of paintbrushes for $9 and some bottles of paint for $3 each.

His total came out to $21, before tax.

3x + 9 = 21.

3x = 12.

x = 4.

Robert bought 4 bottles of paint.

learn more about numerical expression here :

brainly.com/question/29199574

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4 0
1 year ago
Which description best describes the solution to the following system of equations y = 2x + 3
OLga [1]

Answer:

The third choice, which would be:

Line y = 2x +3 intersects the line y = -x +6 .

Step-by-step explanation:

On a graph, line y = 2x + 3 and line y = -x + 6  do intersect each other, but not in the x-axis, y-axis, or at the origin.

4 0
3 years ago
Marcia bought a bag of red white and blue balloons for the party there were 49 balloons in the bag if there are twice as many re
DedPeter [7]

Answer:

Red color= 28 balloon

Blue color= 14 balloon

White color= 7 balloon

Step-by-step explanation:

Given: There are 49 balloons

As given, there are 2 red balloon equal to the number of blue balloon

∴ 2 red= blue\ balloon

Again given, there are 1/2 white balloon equal to the number of blue balloon.

∴ \frac{1}{2} \ white= blue\ balloon

As above equation, we can understand that:

2\ red= \frac{1}{2} \ white\ balloon

multiplying both side by 2

⇒ 4\ red= white\ balloon

which mean, if we have 2 blue balloon then we will have 4 red and 1 white balloon.

∴ Total combination of all color of balloon= 2+4+1= 7

Now, checking how many number of times combination can we have in 49 balloon.

\frac{49}{7}= 7 \ times

Next, finding number of balloon in each color.

Red color= 4\times 7= 28\ balloon

Blues color= 2\times 7= 14\ balloon

White color= 1\times 7= 7\ balloon

3 0
3 years ago
Read 2 more answers
Basically im not smart ... I just Need to Know The Vertex
Olenka [21]
It'd be AEC, the vertex are just the lines that create the point E
5 0
3 years ago
Which fraction is equivalent to negative 1 over 6?
kow [346]
The last option :1 over negative 6 is equivalent to negative one over six
6 0
4 years ago
Read 2 more answers
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