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4 years ago

I been on this for sooo long

Mathematics

1 answer:

barxatty [35]4 years ago

8 0

The ratio of left handed to right handed people is 1:4
Therefore the ratio of left handed to total people is 1:5
Set up a proportion

1/5= x/30
5*6=30
1*6=6
x=6

Final answer: 6 left handed people

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Jethro wants a swimming pool in his backyard, so he digs a rectangular hole with dimensions 40 feet long, 20 feet wide, and 5 fe

Goshia [24]

First find the perimeter. Then take the depth of the pool and multiply it by the perimeter.
Hope this helps

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4 years ago

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A 30° 60° 90° triangle is shown below. Find the length of the side labeled y.

bulgar [2K]

Answer:

Part 1) $y=3\ units$

Part 2) The length of the hypotenuse is 6 units

Step-by-step explanation:

Part 1) we know that

In the right triangle of the figure

$sin(60^o)=\frac{y}{2\sqrt{3}}$ ----> by SOH (opposite side divided by the hypotenuse)

solve for y

$y=sin(60^o)2\sqrt{3}$

Remember that

$sin(60^o)=\frac{\sqrt{3}}{2}$

substitute

$y=(\frac{\sqrt{3}}{2})2\sqrt{3}$

$y=3\ units$

Part 2)

Let

h ----> the length of the hypotenuse

we know that

In the right triangle of the figure

$sin(45^o)=\frac{3\sqrt{2}}{h}$ ----> by SOH (opposite side divided by the hypotenuse)

$h=\frac{3\sqrt{2}}{sin(45^o)}$

Remember that

$sin(45^o)=\frac{\sqrt{2}}{2}$

substitute

$h=3\sqrt{2}:\frac{\sqrt{2}}{2}$

$h=6\ units$

7 0

3 years ago

Two students started at the coordinate (0,0). Student A

Sati [7]

Answer:

(7,5) (4,1)= (3,4) might be it Im not really sure

6 0

3 years ago

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Willie Workout joined a health club. There was a $50 registration fee, and a $25 monthly fee. If Willie visits the club 3 times

IrinaVladis [17]

25×12
=300

300+50
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52×3
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350÷156
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3 years ago

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8th Grade Functions: Bike Race

horrorfan [7]

Answer:

Juan wins the race

Step-by-step explanation:

<em>The complete question is attached.</em>

<em />

Time is on the horizontal axis.

Distance is on the vertical axis.

If you look first at y-axis (vertical), you will see that both lines (curves) go upto a distance of 4 miles. So, the race is of 4 miles. Both of them finish.

Now,

If you look at the corresponding x-axis value of where each curve ends, you will see:

Antonio finishes at 15 mins

Juan finishes at 13 minutes

So we can successfully say that Juan wins the race since he finishes 2 mins faster than Antonio.

Juan wins the race

7 0

3 years ago