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3 years ago

I need help with this promblem and I need a answer and a good explaination on this thx!

Mathematics

2 answers:

salantis [7]3 years ago

5 0

It would be 7 because he gets in an accident every other time he gets a ticket

vladimir2022 [97]3 years ago

5 0

First work out the slope of the line
slope = rise / run if you look at the pointt level with accidents is you see that rise / run - = 3.5 / 7 which is 0.5
The intercept on vertical axis is 1.5
so we can write the equation of the line ( y = mx + b) where m = slope and b = y intercept) as y = 0.5x + 1.5 ( y = accidents and x = number tickets)

so if we plug x = 10 (tickets) into the above

Accidents ( for 10 tickets) = 0.5(10) + 1.5 = 6.5 which we round up to 7.

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Stacey filled her 1/2 cup measuring cup seven times to have enough flour for a cake recipe. How much flour does the cake recipe

adoni [48]

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xXRebekahXx Please rank brainliest if this was helpful!!

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3 years ago

A motorboat travels 165 kilometers in 3 hours going upstream and 510 kilometers in 6 hours going downstream. What is the rate of

nikitadnepr [17]

<h3>Rate of the boat in still water is 70 km/hr and rate of the current is 15 km/hr</h3><h3><u>Solution:</u></h3>

Given that,

A motorboat travels 165 kilometers in 3 hours going upstream and 510 kilometers in 6 hours going downstream

Therefore,

Upstream distance = 165 km

Upstream time = 3 hours

<h3><u>Find upstream speed:</u></h3>

$speed = \frac{distance}{time}\\\\speed = \frac{165}{3}\\\\speed = 55$

Thus upstream speed is 55 km per hour

Downstream distance = 510 km

Downstream time = 6 hours

<h3><u>Find downstream speed:</u></h3>

$speed = \frac{510}{6}\\\\speed = 85$

Thus downstream speed is 85 km per hour

<em><u>If the speed of a boat in still water is u km/hr and the speed of the stream is v km/hr, then</u></em>

Speed downstream = u + v km/hr

Speed upstream = u - v km/hr

Therefore,

u + v = 85 ----- eqn 1

u - v = 55 ----- eqn 2

Solve both

Add them

u + v + u - v = 85 + 55

2u = 140

u = 70

<em><u>Substitute u = 70 in eqn 1</u></em>

70 + v = 85

v = 85 - 70

v = 15

Thus rate of the boat in still water is 70 km/hr and rate of the current is 15 km/hr

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3 years ago

How to divide 6,875 by .025

Leokris [45]

Answer= 285000
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3 years ago

A system of equations is shown below:

JulijaS [17]

X+y=3

Subtract x from both sides

y=-x+3

Substitute

2x--x+3=6
2x+x+3=6
3x+3=6

Subtract 3 from both sides

3x=3

Divide both sides by 3

x=1

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3 years ago

I need to know number six and thank you guys for all the help

Zigmanuir [339]

Answer:

Step-by-step explanation:

First of all, a very easy way is to count all the rectangles and then count the squares that are shaded and have balloons.