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mr_godi [17]
3 years ago
7

Estimate a 20% tip on a dinner bill of $171.81 by first rounding the bill amount to the nearest ten dollars.

Mathematics
1 answer:
NARA [144]3 years ago
6 0
$34 is a proper 20% tip on a $171.81 dinner. Move the decimal point twice to the left, then multiply that twice.
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Lin has a scale model of a modern train. The model is created at a scale of 1 to 48
kati45 [8]

Solution 1. 4.896 meters. Sample reasoning: The actual height is 48 times the scaled height. . 4,896 mm is 4.896 m.

102 mm is 0.102 m. The actual train is 48 times 0.102 m. .

2. No. Sample explanation: The modern train needs tracks that are 60 inches apart, because 1 1/4 x 48 =60 . The old tracks are only 54 inches, so they are not wide enough.

Step-by-step explanation:

4 0
3 years ago
A cyclist has rode his bike 174 miles in 3 hours. If he continues at this rate, how long would it take him to complete another 4
In-s [12.5K]

Answer:

7 hours

Step-by-step explanation:

174/3 is 58 miles per hour so 406/58 is 7 hours

6 0
3 years ago
What is the product of 2p + q and –3q – 6p + 1?
photoshop1234 [79]
<span>(2p + q) ( –3q – 6p + 1)
= -6pq - 12p^2 + 2p - 3q^2 - 6pq + q
= -12p^2  -12pq +2p -3q^2 + q

so answer is b. </span> -12p^2  -12pq +2p -3q^2 + q 
3 0
3 years ago
Read 2 more answers
Find the slope of the line passing through the points (-3,7) AND (2,-6)
castortr0y [4]
-13/5. The equation to find the slope between 2 points is y sub 2-y sub 1/x sub 2-x sub 1. Or in this case, -6-7/2+3. -6-7=-13, 2+3=5. So the slope is -13/5.
3 0
3 years ago
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Can I have help with this please?
mamaluj [8]

Answer:

x+1+2x-6= 16

3x-5 =16

3x=16+5

3x=21

x=21/3

x= 7

VW= 2x-6 = 2(7) -6 = 14-6 = 8

5 0
3 years ago
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