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KIM [24]
3 years ago
11

Can I get some help on the last question?

Mathematics
1 answer:
Bogdan [553]3 years ago
8 0

Answer:

10 & 11 are 29 and 151. 9 is vertical to 10, so it must also be 29 as defined by the first angle. 12 is supplementary to 13, so it must be the difference of 180 by 65: 115. 4 is part of a right triangle, so it must be 45. 7 is vertical to 4 and 3, so adding those angles together will be 70 degrees. By defining what 7 was we now can figure out what 6 is, angle 1 & 7 add up to 99, subtract that from 180 (b/c they're on a flat line.) You recieve 81. Finally angle 8 is supplementary from 9, stating it must be 151. (Oh yea, 14 & 15 are 115 & 65.) Sorry this took so long.

Step-by-step explanation:  

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Lina20 [59]
The answer is y= -6.
3 0
4 years ago
How to solve this system of equal: x+y+z=1;x^2+y^2+z^2=1
swat32

There are infinitely many solutions.

Algebraically, we can eliminate z and try to solve for x,y:

x+y+z=1\implies z=1-x-y

Then

x^2+y^2+(1-x-y)^2=1

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5 0
4 years ago
Please help me I have been stuck on this question for ages
Finger [1]

Answer:28 green and 35 red

Step-by-step explanation:

Given

If there are r red counter and g green counter then

Probability of drawing a green counter is P(g)=\frac{4}{9}

and P(g)=\frac{\text{No of g counter}}{\text{Total no of counter}}

Thus \frac{\text{No of g counter}}{\text{Total no of counter}}=\frac{4}{9}

\frac{g}{g+r}=\frac{4}{9}

\Rightarrow 9g=4g+4r

\Rightarrow 5g=4r\quad \ldots(i)

Also if 4 red and 2 green counter is added the probability of drawing a green counter is

P(g)=\frac{10}{23}=\frac{\text{No of g counter}}{\text{Total no of counter}}

\Rightarrow \frac{10}{23}=\frac{g+2}{g+2+r+4}

\Rightarrow \frac{10}{23}=\frac{g+2}{g+r+6}

\Rightarrow 10g+10r+60=23g+46

\Rightarrow 10r+14=13g\ quad \ldots(ii)

Substitute the value of g in equation (ii)[/tex]

\Rightarrow 10\times \frac{5}{4}g+14=13g

\Rightarrow \frac{25}{2}g+14=13g

\Rightarrow g=28

Therefore r=35

Thus there 28 green counter and 35 red counter

6 0
3 years ago
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just olya [345]

Answer:

7) 13 in. Because the hypotenuse is the longest length than opposite and adjacent.

8) 12 in. Because it has 90° angle.

9) 12 in

10) 5 in

6 0
3 years ago
Melinda bought 6 bowls for $13.20. what was the unit rate in dollars
never [62]
<u>6
</u>13.20
Divide by 6
<u>1
</u>2.2
6 0
3 years ago
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