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lisabon 2012 [21]
3 years ago
10

I need answers to all of these. Please help!! I suck at math..

Mathematics
2 answers:
Harrizon [31]3 years ago
6 0
13, -7, -1, 0, <, >, 66, -12
soldi70 [24.7K]3 years ago
4 0
<span>1) (-4) + (-9) = -13

2) 5 + (-12) = -7

3) -6 + 5 = -1

4) -7 + 7 = 0

</span><span>5) Which symbol correctly completes the statement?

-7 + 2 ___ 3 + (-9)
    -5      >      -6
answer  >

</span><span>6) Which symbol correctly completes the statement?

4 + (-8) ___ 6 + (-8) + (-6)
   -4       >        -8
answer >

</span><span>7) Your checking account balance is $50. You spend $11 and then deposit $27.

80 - 11 + 27 = 66
answer

$66
</span>
<span>8) You currently have a balance of $34 in your checking account. You then write a check for $76 dollars to pay for groceries. Finally, you deposit a check for $30.

34  - 76 + 30 = -12
answer
</span><span>-$12</span>
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Answer:

First step=13x+7x=18+42

Step-by-step explanation:

13x-42=18-7x

First step

It is to collect like terms of the equation

13x+7x=18+42

20x=60

x=60/20

x=3

3 0
3 years ago
The diagram represents the shape and dimensions of Kayla's garden. A special fertilizer is used for the vegetable garden. Each b
Serjik [45]

Answer:

B. 18 bags

Step-by-step explanation:

First you need to determine the area of the vegetable garden. The vegetable garden is a rectangle with the following dimensions:

L = 24 ft

W = 9 ft

The Formula for the area of a rectangle is:

A = L\times W

So let's solve it:

A = L\timesW\\A = 24 ft\times9ft\\A= 216ft^{2}

With that, we can figure out how many bags of fertilizer would be needed by dividing the area of the vegetable garden by how much one bag of fertilizer covers:

\dfrac{214ft^2}{12ft^2/bag}=18\;bags

3 0
2 years ago
Read 2 more answers
Water costs $1.25 per bottle. At this rate, what is the cost of 10 bottles?
antoniya [11.8K]
The answer is $12.5 for 10 bottles
8 0
3 years ago
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Look at the relation below.
Mariana [72]

Answer:

If we remove one ordered pair (1, -2) then the set of points would represent a function.

Hence, option C i.e. (1, -2) is correct.

Step-by-step explanation:

We know that a function is a relation where each input or x-value of the X set has a unique y-value or output of the Y set.

In other words, we can not have duplicated inputs as there should be only 1 output for each input.

Given the relation

{(-2,4), (4,-2), (1,1), (1,-2), (0,1), (6,4)}

If we closely check, we can observe that the input x = 1 is repeated twice.

In other words, there are two ordered pairs (1, 1) and (1, -2) with the same input x = 1. So, x = 1 is duplicated here.

We know that we can not have duplicated inputs as there should be only 1 output for each input.

Therefore, if we remove one ordered pair (1, -2) then the set of points would represent a function.

Hence, option C i.e. (1, -2) is correct.

3 0
2 years ago
If hugo goes out for dinner and pays 2$ of sales tax on a 20$ meal what percentage is the sales tax in his city?
vesna_86 [32]
<h3>Answer:  10%</h3>

Work Shown:

2/20 = 0.10 = 10%

Note that 10% of 20 = 0.10*20 = 2 dollars is the sales tax to help confirm the answer.

8 0
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