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solmaris [256]
3 years ago
10

What is the answer to -7+3

Mathematics
2 answers:
Bess [88]3 years ago
7 0

Hello there, and thank you for asking your question here on brainly.

Answer: -4

Why?

When we subtract with negative numbers, it has it's own chart. (x - y = z | -x - y = -z and -x - (-y) = z) If we follow the chart, we are going to end up with a negative number. To solve, just subtract, and carry the negative sign. (7 - 3 = 4. Carry the -. 4 ==> -4) So, the answer is -4.


Hope this helped, and have a great day. ♥ ☺~

NISA [10]3 years ago
5 0

-7 + 3 = -4

Hope this helps you

Brainliest would be appreciated!

-AaronWiseIsBae

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Television networks frequently run public opinion polls on issues of concern. One network conducted a scientific poll asking a q
kobusy [5.1K]

Answer:

Option d

Step-by-step explanation:

Given that television networks frequently run public opinion polls on issues of concern. One network conducted a scientific poll asking a question concerning the approval rating of the way President Obama was handling the Iraq War. At about the same time a second network ran an online poll using a very similar question.

Observed data is

Poll              Scien      Online total

   

approve    339   385      724

disapprove 780        573     1363

                 1119        958     2087

H_0: Both scientific and online are consistent\\H_a: not consistent

(Two tailed chi square test)

Let us find out expected and chi square

Expected = row total x column total/grand total

The cell count expected in the online poll for those who approve

=\frac{724*968}{2087} \\=333.94

chi square = 7.81

Hence option d is right.

4 0
3 years ago
Please help and explain if you can
finlep [7]
You're pretty much screwed
4 0
3 years ago
The profit y on the number x of items a store sells is represented by the rule y = 2x - 1. What does a table of values for the f
slavikrds [6]

Answer:

Attached is what the graph should look like

Step-by-step explanation:

5 0
2 years ago
How do you do 51 and 54?
NemiM [27]
51. I checked the comments but I still didn't understand it, sorry :/

54.

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They are all odd and they are in consecutive order (one after another)
5 0
3 years ago
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Angelina_Jolie [31]

Answer:

I think 100$

Step-by-step explanation:

I can't be to sure

4 0
2 years ago
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