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mina [271]
3 years ago
15

Help please I need it know

Mathematics
1 answer:
elena-14-01-66 [18.8K]3 years ago
8 0
On 15 angle 1 and 2 would be 150 degrees i think, i could be wrong.
On 16 angle 1 would be 140 degrees and angle 2 would be 40 degrees. hope this helps
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500x+6y=11216. and 800x+4y=9344 solve substuition method
Sedaia [141]

we have

500x+6y=11,216 ---------> equation 1

800x+4y=9,344 ---------> equation 2

<u>In the equation 1 clear variable x</u>

500x+6y=11,216\\ 500x=11,216-6y

x=22.432 -0.012y ----------> equation 3

Substitute the equation 3 in the equation 2

800*[22.432 -0.012y]+4y=9344

800*[22.432 -0.012y]+4y=9,344\\17,945.6- 9.6y+4y=9,344\\9.6y-4y= 17,945.6-9,344\\ 5.6y=8,601.6\\y=8,601.6/5.6\\y= 1,536

<u>Find the value of x</u>

x=22.432 -0.012y

x=22.432 -0.012*1,536

x=4

therefore

<u>the answer is</u>

x=4

y=1,536  

4 0
3 years ago
Write the equation in slope-intercept form.
Ymorist [56]

It's the second one.

Brainliest please!

7 0
3 years ago
Read 2 more answers
A set of numbers is shown:
MArishka [77]
X\geq5

x={5,10,15}
7 0
3 years ago
3 POINSSSSSS
Mandarinka [93]

Answer:

see below

Step-by-step explanation:

Experimental means what actually happened

P(odd) = (number of 1 + number of 3 + number of 5) / total

           = (10+8+8) / 50

           = 26/50

           = 13/25 = 52%

Theoretical means  what we expect to happen

P (odd) = (number of 1 + number of 3 + number of 5) / total

             =(1+1+1)/6

             =1/2 = 50%

We rolled an odd just a little more than the expected amount of times

5 0
4 years ago
Plzzz help?????????????????????
natima [27]

Answer:

Step-by-step explanation:

Pythagorean theorem: base ² +altitude² = hypotenuse²

1) hypotenuse² = base² + altitude²

          x² = 6² + 3²

               = 36 + 9

               = 45

         x = √45

         x = 6.7 cm

4) base ² +altitude² = hypotenuse²

x ² + 3.7 ² =  4.2 ²

x ² + 13.69 = 17.64

             x ² = 17.64 - 13.69 = 3.95

             x = √3.95

            x = 1.99 cm

10)c ² = a ² + b ²

           = 3 ² +4 ²

         = 9 + 16

  c ² = 25

c = √25 = 5

11) a ² + b ² = c ²

9 ² +b² = 13 ²

81 + b² = 169

     b² = 169 - 81 = 88

b = 9.38

12) a² + b² = c²

12² + b² = 22²

  144 + b² = 484

           b² = 484 - 144 = 340

           b =√340 = 18.44

               

3 0
3 years ago
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