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kaheart [24]
3 years ago
6

Approximate the square root of 500 to the nearest tenth. Show your work.

Mathematics
1 answer:
bulgar [2K]3 years ago
4 0
\sqrt{500} \rightarrow \sqrt{5 * 10 * 10} \rightarrow 10\sqrt{5} This is an exact answer. the answer will be a bit larger than 20
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James practice piano for 48 minutes. Alisa practice for 5 times as long as james how many minutes did Alisa practice? How many m
dlinn [17]

Answer:

Step-by-step explanation:

1. 48 x 5= 240

2. James minutes- 48      Alisa's- 240

3. 48 + 240 = 288

Equation: 48 + 5 (48)= 288

5 0
3 years ago
A light aircraft travels 5 miles per hour less than twice the speed of a bus. If the bus can travel 114 miles in the same time i
Rufina [12.5K]
A represents the speed of the aircraft.
b represents the speed of the bus.

a=2b-5
114/b=218/a

Substitution method

114/b=218/(2b-5)

(2b-5)*(114/b)= 218

(228b-570)/b = 218

228b-570= 218b

228b-218b=570

10b= 570

b=57

Plug the value of b into one of the original equations.

a=2(57)-5
a=114-5
a=109

Final answer:
Average speed of plane= 109
Average speed of bus= 57
3 0
3 years ago
13. (07.05 MC) What is the solution to the equation 5x + 2(x - 4) = 5x + x - 10? (1 point) O​
TEA [102]

Answer:

x = -2

Step-by-step explanation:

5x + 2(x - 4) = 5x + x - 10

First, we need to to multiply out the parathesis in the equation:

5x + 2(x - 4) = 5x + x - 10

5x + 2x - 8 = 5x + x - 10

Next, we can combine "like terms" to simplify the equation further:

5x + 2x - 8 = 5x + x - 10

7x - 8 = 6x - 10

Now we can isolate the variable "x" to one side:

7x - 8 = 6x - 10

x - 8 = -10

x = -2

To check our work, we can replace x with -2 in our original equation:

5x + 2(x - 4) = 5x + x - 10

5(-2) + 2 (-2 - 4) = 5(-2) + -2 - 10

-10 + 2 (-6) = -10 -2 - 10

-22 = -22

I hope this helps!

-TheBusinessMan

7 0
3 years ago
Find the difference -9.6-7.3
Marat540 [252]

Answer:

-9.6-7.3 = -16.9

Step-by-step explanation:

7 0
3 years ago
In the morning, a group of hikers hiked 4 7/8 miles, took a break, and then hiked 1 1/2 miles. The group then stopped for lunch.
Ira Lisetskai [31]
C. hope this helps friend
8 0
2 years ago
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