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iVinArrow [24]
3 years ago
6

Evaluate the following expression. 3^-2

Mathematics
1 answer:
OverLord2011 [107]3 years ago
7 0
3^-2 = 0.111111111 ← Answer
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Thomas runs 34 of a mileevery day for 5 days. Howfar has he run total?
STALIN [3.7K]

Guven:

Miles per day = 34 miles

Number of days = 5 days

To find the total distance(miles), we have:

Total distance = distance covered per day x Number per days

= 34 x 5 = 170 miles

Therefore, the total distance he has covered is 170 miles

ANSWER:

170 miles

4 0
2 years ago
14. The screen size of a television is measured along
aksik [14]

Answer:

15.5 inches

Step-by-step explanation:

height² = diagonal² - length²

height = √(32² - 28²) ≅ 15.5 inches

3 0
3 years ago
17. Anna is 157.5 centimeters tall and her
Alinara [238K]
15.26 mm. All you gotta do is convert the millimeters to centimeters, and that subtract. Make sure the decimal point is right, tho. :)
5 0
2 years ago
Use complete sentences to describe the process in proving that the solution of an inequality is valid.
saul85 [17]
≥The solution of an inequality is an interval, i.e. a range.

To prove that the interval found as solution, you must consider several cases.

1) In the case that the ineguailty is ≥ or ≤, first use the limits of the interval to prove they are valid solutions. This is, replace the limit values, one at a time, and verifiy the inequality.

2) If the sign is ≥ or > use a value to the right of the limit value to show that the values to the right are solution, and use a value to the left to show that they are not solution.

3) If the sign is ≤ or <, use a value to the left of the limit value to show that it is a solution and a value to the right of the limit value to show that it is not a solution. 
7 0
3 years ago
9 is what percent of 20?
liberstina [14]
So percent means parts out of 100 so
1%=1/100

so 9/20=x/100
a hack withought using legit math is
20 times 5=100 so
9/20 times 5/5=x/100
9 times 5=45
20 times 5=100
45/100
45% is the answer
8 0
3 years ago
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