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Lana71 [14]
3 years ago
13

Jamie writes -2°C > -5°C to compare the temperature on two January days. Explain why you agree or disagree with him

Mathematics
1 answer:
Mamont248 [21]3 years ago
4 0

Answer:

I agree with Jamie

Step-by-step explanation:

Given the inequality expression -2°C > -5°C, to compare both temperatures, we are to determine whether we agree or disagree with him.

Note that negative values that are closer to zero on the number line are greater than those that are far from zero. Hence, since -2 is closer to zero on the number line than -5, this means that -2 is greater than -5 hence I agree with Jamie's temperature value comparison.

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Triangle ABC is shown in the diagram below. Show two different ways that you can determine the measure of ABC
iragen [17]

Step-by-step explanation:

vertical angles or line pairs

c=60

180-120=60

180-131=49

60+49=109

180-109=71

6 0
3 years ago
On Monday, Harold picked up three donuts and two large coffees for the office staff. He paid $3.94. On Tuesday, Melinda picked u
Pachacha [2.7K]
First things first, write the equations!
- Word problems can be intimidating because of all information given, so all you need to focus on, is the information about the variables you are solving, everything else, like the story line is irrelevant!
- Writing Equations from Word Problems:
pull the good stuff (information about the variables) so you can see the information needed, without having to mess your brain up with a bunch of irrelivance!

Equation 1:
3 donuts and 2 coffees is $3.94
Equation 2:
2 donuts and 6 coffees is $7.20

Now it is simply reading the equation...
Knowing these "terms" when writing Equations from a word problem is VERY IMPORTANT;
IS: =
and, more than, etc: +
less than, etc: -

Knowing the terms makes Writing the Equations THE EASIEST PART! Most of the time students get these problems wrong because of wrong equations!
So Equation 1 IS ( = ) ;)
3 Donut + 2 Coffee = 3.94
Equation 2:
2 donut + 6 coffee = 7.20

Now, to make things simple I personally find it easier to "let Donuts = d" and "let Coffee = c"

so...
3d + 2c = 3.94
2d + 6c = 7.20

in order to solve, we have to ELIMINATE one of the variables by making one of them equal 0.
I chose to eliminate c by multiplying the first equation by 3.
3 (3d + 2c = 3.94)
--> 9d + 6c = 3.94
and then the 2nd equation by -1
-1 (2d + 6c = 7.20)
---> -2d + -6c = -7.20
9d + 6c = 11.82
-2d + -6c = -7.20
--- Now we can add the 2 equations, doing so will cancel out c!
9d + 6c = 11.82
+
-2d + -6c = -7.20
= 7d + 0c = 4.62
= 7d = 4.62
now it is simple algebra to figure out d!
- you want to get d by itself so we need to get rid of the 7 and take it to the other side by division!
so-- 7d/7 = 4.62/7
= d = .66
Now that we know d, we just plug it into the original equations to find c!
- you can choose either one to plug it intl , but I chose equation 2:
2(.66) + 6c = 7.20
* MUST DO ORDER OF OPERATIONS- PEMDAS (parentheses, exponemts, multiplication, division, addition and then lastly subtraction)
so first we multiply 2 and .66
1.32 + 6c = 7.20
Now we want to get c by itself, so we subtract 1.32 by both sides-
6c = 5.88
now divide to get c
c = .98
ALWAYS CHECK
BOTH
EQUATIONS AFTER FINDING THE VARIABLES TO ENSURE YOU HAVE THE CORRECT ANSWER (:

I hope that helped (:
7 0
3 years ago
What percent is represented by the shaded portion of this 10 × 10 grid?
siniylev [52]

Answer:

answer #4

Step-by-step explanation:

because you have 100 tiles. if you fill in 1 tile, that 1 percent. if you fill in 4 tiles, that 4 percent. you fill in 40? 40 percent. and option 2 is not a percentage so it cannot be correct

8 0
3 years ago
Which equation can be used to solve got x in the following diagram ​
Ivenika [448]
The answer for the question is the equation - C
5 0
2 years ago
1/6 of an advertising catalog page is dedicated for a drawing, 5/18 for an advertisement and 1/9 for another advertisement. The
svlad2 [7]

Answer:

No

Step-by-step explanation:

In other words, does the sum of 5/18, 1/9 and 1/6 exceed, equal or come out to less than 1/2?

The LCD of 5/18, 1/9 and 1/6 is 18.  Thus, these three fractions are equal to

5/18, 2/9 and 3/18, and their sum is 10/18, or 5/9.  Thus, the part of the page covered with text is 1 less 5/9, or 4/9.  No, the text does not cover more than half of the page.

7 0
3 years ago
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