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ollegr [7]
2 years ago
8

Scale factor word problem Someone please help me!

Mathematics
1 answer:
natima [27]2 years ago
3 0

1. Niles is making a map of his neighborhood. He uses a scale in which 1 cm = 5 km. The distance between his house and the school is 8.5 km.

How many centimeters will there be between his house and school on the map?

1 cm = 5km

8.5 ÷ 5 = 1.7

There will be 1.7 centimeters between his house and school.

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Your parents took your family out to dinner. Your parents wanted to give the waiter a 15% tip. If the total amount of the dinner
Novosadov [1.4K]

Answer:

$48.30

Step-by-step explanation:

If the dinner was $42.00 and they wanted to give a 15% tip, then to find that start by multiplying 42 by 0.15

42.00 x 0.15 = 6.3

now add $6.30 to $42.00

42 + 6.3 = 48.3

4 0
3 years ago
Read 2 more answers
A car of 1000 kg starts to move from rest and travels a distance of 150 m in 10 second. How much force is needed?​
allsm [11]
  • Initial velocity=u=0m/s
  • Distance=s=150m
  • Time=t=10s
  • Acceleration=a

Using second equation of kinematics

\\ \sf\longmapsto s=ut+\dfrac{1}{2}at^2

\\ \sf\longmapsto 150=0(10)+\dfrac{1}{2}a(10)^2

\\ \sf\longmapsto 150=\dfrac{1}{2}\times 100a

\\ \sf\longmapsto 50a=150

\\ \sf\longmapsto a=\dfrac{150}{50}

\\ \sf\longmapsto a=3m/s^2

  • Mass=m=1000kg
  • Force=F

Using newtons second law

\\ \sf\longmapsto F=ma

\\ \sf\longmapsto F=1000(3)

\\ \sf\longmapsto F=3000N

3 0
2 years ago
Please help with this! Show how you got it!!! Will mark brainliest!!
Ghella [55]

Answer:

sum of interior angles of octagon is 1080 degrees

From figure ,

136 + 132 + 129 + 116 + 158 + 141 + 124 + x = 1080

so, x = 1080 - 936

        = 144

Step-by-step explanation: Simply add the angles and substract the sum from 1080 which is the sum of interior angles of octagon

8 0
3 years ago
Read 2 more answers
What is the constant of preportionallity in the equation y= 2.5x?
e-lub [12.9K]

Answer:

2.5

Step-by-step explanation:

y = 2.5x \\equating \: it \: with \: y \:  = kx \: where \: k \: is \: any \:  \\ constant. \\ k = 2.5 \\

Thus, constant of proportionality = 2.5

7 0
3 years ago
The answers 80kg, 88 divided by 110 then times by 100
Karolina [17]
<span>137.5 because first you divide 110 by 80 and then mupilty the answer by 100

</span>
7 0
3 years ago
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