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netineya [11]
3 years ago
5

Isala

Mathematics
1 answer:
Lubov Fominskaja [6]3 years ago
4 0
2 just divide 6 and 3 give you 2 now 2 x 4 give you 8 8 kilograms is 4 hours
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Sally babysits for the Smiths every Friday. They pay her $18 for food plus $13 for each hour she works. What value represents th
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Answer:

18

Step-by-step explanation:

wait check b4 you answer

3 0
3 years ago
Determine if the card below represents a reflection over the x-axis or a
gtnhenbr [62]

Answer:

Reflection over y-axis

Step-by-step explanation:

We know that with a reflection of the x-axis, we flip the value of the y value

But since the y-values in Q3 and Q4 are both negative, we know that can't be the case

So it has to be a reflection over the y-axis where the x-values are flipped

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7 0
3 years ago
What is the quotient two 1/5÷-1/10
VladimirAG [237]
The answer should be -2 hope this helps /)
5 0
3 years ago
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Find the interior angle sum for the following polygon​
wolverine [178]

Answer:

1620°

Step-by-step explanation:

The figure is an 11-sided polygon and is called hendecagon

The interior angle sum:

180( n-2)   n=11

=180(11-2)

=180(9)

=1620°

I hope this help you

5 0
3 years ago
A body and tackle with a velocity ratio of 5 is used to raise a mass of 50kg through a vertical distance of 20n at a steady rate
matrenka [14]

a. Distance moved by effort = 1 meter

b. Work done by effort = 80 Joules

c. Losses in energy = 18 Joules

<h3>How to determine the parameters</h3>

a. Note that velocity ratio is defined as the ratio of a distance through which any part of a machine moves to the distance moved by its parts

Velocity ratio = distance moved by the effort/distance moved by the body

Where velocity ratio = 5

vertical distance = 20cm

Distance moved by effort = 5 × 0. 20 = 1 meter

b. Formula for work done is given as ;

Work done = Effort × distance moved by effort

Work done = 80 × 1

Work done = 80 Newtons

c. First, let's find the work output

Work output = m g h

Work output = 50 × 9.8 × 0. 20

Work output = 98 Joules

Losses in energy = Work output - work done

Losses in energy = 98 - 80

Losses in energy = 18 Joules

Learn more about work done here:

brainly.com/question/25573309

#SPJ1

7 0
2 years ago
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