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Mariana [72]
3 years ago
5

Which describes a situation when an estimation is appropriate? A. Margo wants to buy a sweater for $15.98 and a pair of socks fo

r $1.98. She has $20. She wants to know if she has enough money to buy both. B. Margo buys a sweater for $15.98 and a pair of socks for $1.98. She gives the cashier $20. The cashier wants to know how much change to give Margo.
Mathematics
1 answer:
o-na [289]3 years ago
7 0
Yes she has enough money to buy both. 1.98+15.98=17.96 if you subtract that from 20 you get $2.04 back in change

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Three runners are training for a marathon. One day, they all run about ten miles, each at their own constant speed. Which of the
kotykmax [81]

Answer:

Runner 1 has the fastest pace

Step-by-step explanation:

The first one we need to find the slope

m = (y2-y1)/(x2-x1) = (40-0)/(4-0) =40/4 = 10 minutes per mile

The second  is 8.5 minutes per mile

The third we need to find the slope

m = (y2-y1)/(x2-x1) = (90-72)/(10-8) =18/2 = 9 minutes per mile

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Monticello residents were surveyed concerning their preferences for candidates Moore and Allen in an
Svetlanka [38]
You just subtract 300 from 800 to get 500 people
8 0
3 years ago
Help with b please I don’t understand it
galben [10]

Answer:

This is a 25% decrease

Step-by-step explanation:

percent change = (old - new)/old * 100 %

The new price is 15

The old price is 20

Since the new price is less than the old price, it is a decrease

percent change = (20-15)/20 * 100 %

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8 0
3 years ago
4X + 8 < 1 + ( 2X - 5) PLEASE EXPLAIN
Simora [160]

Answer:

x < - 6

Step-by-step explanation:

Given

4x + 8 < 1 +(2x - 5) ← remove parenthesis

4x + 8 < 1 + 2x - 5, that is

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2x + 8 < - 4 ( subtract 8 from both sides )

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5 0
3 years ago
No explanation needed answer fast TY
attashe74 [19]

Answer:

50.24

Step-by-step explanation:

The first step is to find the area of it if it was a whole circle

you get this by squaring the radius

8*8 or 8^2= 64

then, you have to multiply it by 3.14 which gives you

200.96.

Then divide it by 4 to get a quarter of the circle to get the final answer

50.24

Hope this helps, if it does, please give me brainliest, it will help a lot :)

Have a good day

8 0
3 years ago
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