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Pachacha [2.7K]
2 years ago
12

Explain how to use the order of operations to evaluate numeric expressions.

Mathematics
2 answers:
mylen [45]2 years ago
7 0
U will have to use the pemdas method to get ur answer
murzikaleks [220]2 years ago
6 0
U will use the pemdas method which is if u check parentheses, exponents, multiplication, division, addition, subtraction. for ex. say the expression is 5 + 30+ (5x10) u will check if u have any p, e, m, d, a, or s and do those steps in order. sometimes u will read left to right if it’s a divison first and then a multiplication
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contestants in a dance-a-thon rest for the same amount of time every hour.a couple rests for 25 minutes in 5 hours.how long did
vladimir1956 [14]

Answer

Find out the how long did they rest in 8 hours.

To prove

As given

contestants in a dance-a-thon rest for the same amount of time every hour.

A couple rests for 25 minutes in 5 hours .

As

25 mintues = 5 hours

1\ hours = \frac{25}{5}\ mintues

1 hours = 5 mintues

Thus in 1hours a the dance -a-thon rest for 5 mintues.

Now for 8 hours.

8 hours = 8 × 5 mintues

           = 40 mintues

Therefore in 8 hours  a dance-a-thon rest for 40 mintues.




3 0
3 years ago
Read 2 more answers
Determine the intercepts of the line. y = 5 x − 1 3 y=5x−13
sweet-ann [11.9K]
Y-intercept = -13
x-intercept = 2.6 or 2 3/5
-13 is the y-intercept. In the equation, y=mx+b, b is the y-intercept. Looking at the equation, y=5x-13, we can see that -13 is in the place of b, therefore -13 is the y-intercept.
() is the x-intercept. To find the x-intercept, you need to replace values into the equation. Since the coordinates for the x-intercept consist of y being 0, you must replace y in the equation. with 0.
0=5x-13
Get rid of the -13 by adding it onto both sides. -13 is negative and the opposite of a negative is positive, thus making you add to get rid of -13.
0=5x-13
+13 +13
13=5x
Now you divide 5 from both sides to get rid of 5. The opposite of multiplication is division, so you must divide the 5 from 5x to isolate the x.
13/5=5x/5
2.6 or 2 3/5=x
Therefore the coordinates (2.6,0) represent the x-intercept, or just 2.6.

I hope this helped.
6 0
3 years ago
Ride 7,500 meters on the first day and increase the distance by an additional
Bumek [7]
In the first 3 days, I think that Juanita will ride 12500? I'm not sure if that is right but I think it is.
8 0
3 years ago
Find the measure of each angle I’ll mark the brainiest :)
laila [671]

Answer:

9. 70°  10. 90°  11. 110°

Step-by-step explanation:

12. 25°

13. 95°

14. 20°

3 0
3 years ago
Find the GCF of 12 and 30 by listing their factors.
zhenek [66]

Answer:

GCF is 6

Step-by-step explanation:

factors are 1,2,3,6

3 0
3 years ago
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