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sergejj [24]
3 years ago
7

7729 to one significant figure

Mathematics
1 answer:
love history [14]3 years ago
6 0
Are there any decimals? Round to one digit: 7729 expressed in 1 digit = 8x10^-3
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university theater sold 465 tickets for a play. ticket cost $23 per adult and $13 per senior citizen. if total receipts were $71
erik [133]

a=adult tickets


s = senior tickets


a+s=465       a = 465-s


23a + 13s = 7145


substitute in a = 465-a


23 (465-s) + 13s = 7145


distrubute


10695 - 23s +13s =7145


combine like terms


10695 - 10s = 7145


subtract 10695 from each side


-10s = -3550


divide by -10


s = 355


senior tickets sold 355



6 0
3 years ago
Mrs. Sung gave a test in her trignonmetry class. The scores were normally distributed with a mean of 85 and a standard deviation
lisov135 [29]

Answer and explanation:

67% as it's +/- one standard deviation from the mean

5 0
3 years ago
I need some help with this plz :)))))))<br> Subject &gt; Maths
just olya [345]

Answer:

Greater than 5

Step-by-step explanation:

The quotient of 5 1/2 is greater than 5 because if you convert 5 1/2 to a decimal, it becomes 5.5.

5.5 is greater than 5, so the quotient of 5 1/2 is greater than 5.

3 0
3 years ago
Question 4 A circle has a radius of 14 inches. What is the circumference of the circle? 77 inches Ов 147 inches C С 2876 inches
DiKsa [7]

Answer:

A=87.92

Step-by-step explanation:

2 x pie x r

2 times 3.14 times 14

6.28 times 14

=87.92

Use the same method to solve others

8 0
2 years ago
Serena drove 40 km on 3 L of gasoline. Which of the following would be an equation to help you find out how far she can travel o
velikii [3]
So here is the solution to the given problem above.
Given that Serena drove 40km on 3L of gasoline, we can say that she drove 13.33 kilometers per liter of gasoline. Since we want to find out how far she travelled with a full tank of 50L, we will only multiply 13.33 by 50 and we get 666.67 kilometers. So the answer would be 666.67 kilometers for 50 L of gasoline. Hope this helps.
8 0
3 years ago
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