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erica [24]
3 years ago
9

*7.NS.1: Apply and extend previous understandings of addition and subtraction to add and subtract rational numbers;

Mathematics
1 answer:
aleksandrvk [35]3 years ago
5 0

Answer:

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Step-by-step explanation:

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Please Help I need to pass this exam !
ladessa [460]

Answer:

12000

5% of 300 is 15

800 * 15 = 12000

Hope this helps!

5 0
3 years ago
Find the value of x. The diagram is not to scale.
Lubov Fominskaja [6]

Answer:

x = 13

Step-by-step explanation:

110° is the vertically opposite angle of one of the interior angles of the given triangle.

Therefore,

x \degree + 57 \degree + 110 \degree = 180 \degree \\  \\x \degree + 167 \degree = 180 \degree \\  \\  x \degree   = 180 \degree  -167 \degree \\  \\  x \degree   = 13 \degree \\  \\  x = 13

7 0
3 years ago
Marie spends $450.00 at a department store. She has two coupons: one for a 15% discount and one for $50 off any purchase above $
VMariaS [17]

Answer:

Her first coupon ti be used is $50 off a purchase above $300

Final purchase price= $340

Step-by-step explanation:

Marie has two coupons

one for a 15% discount and one for $50 off any purchase above $300.

The stores allow the two coupons to be combined and she spends a total of $450.

Her first coupon ti be used is $50 off a purchase above $300.

So Marie have $400 now

15% off $400= 400-(0.15*400)

15% off $400 = 400-60

15% off $400 =$ 340

6 0
3 years ago
Read 2 more answers
Mary's soccer team lost 30% of its 20 games last season they did not tie any games how many games did they lose
Rus_ich [418]
It has been given in the question that Mary's team had lost 30% of the total of 20 games. There has been no ties for this team. It is required to find the number of matches that Mary's team lost.
Total number of games played = 20
Percentage of games lost by Mary's team = 30%
Number of games lost by Mary's team = (30/100) * 20
                                                               = 3 * 2
                                                               = 6
So Mary's team lost 6 games in all. I hope this is the answer you were looking for. The process is easy once you understand the words of the problem.
4 0
3 years ago
A grocer prepares free samples of a salad to give out during the day. By lunchtime, the grocer has given out 5 fewer than half t
12345 [234]

The grocer prepared total 110 samples.

<em><u>Explanation</u></em>

Suppose, the total number of samples the grocer prepared is  x

By lunchtime, the grocer has given out 5 fewer than half the total number of samples. So, the number of samples given out by lunchtime = \frac{1}{2}x -5

Now, it is given that she gives out 50 samples before lunch. That means...

\frac{1}{2}x -5 =50\\ \\ \frac{1}{2}x=5+50\\ \\ \frac{1}{2}x=55\\ \\ x=55*2=110

So, the total number of samples the grocer prepared is 110.

7 0
3 years ago
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