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SOVA2 [1]
3 years ago
9

Please Q12,13,14,15,16,17 am so sorry

Mathematics
1 answer:
ioda3 years ago
5 0

Answer:

12. 14 - 9 = 5

13. 8 + 4 = 12

14. 28/7 = 4

15. 9 x 3 = 27

16. 4 x 20 = 80

17. 15 - 10 = 5

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2 years ago
Ralph is an electrician. He charges an initial fee of $37.50, plus $25 per hour. If Ralph earned $187.50 on a job, how long did
Fynjy0 [20]

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6

Step-by-step explanation:

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Shkiper50 [21]

Answer: 4

Step-by-step explanation:

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3 years ago
It is possible to get 2 solutions when the system of equations is: (check all that apply)
SVETLANKA909090 [29]

Answer:

A system of the equation of a circle and a linear equation

A system of the equation of a parabola and a linear equation

Step-by-step explanation:

Let us verify our answer

A system of the equation of a circle and a linear equation

Let an equation of a circle as x^2+ y^2 = 1 ..........(1)

Let a liner equation Y = x ............(2)

substitute (2) in (1)

x^2 + x^2 = 1\\2x^2 = 1\\

x^2 = \frac{1}{\sqrt{2} } \\x = +\frac{1}{\sqrt{2} } , -\frac{1}{\sqrt{2} }  so Y = +\frac{1}{\sqrt{2} } , -\frac{1}{\sqrt{2} }

so the two solution are ( (\frac{1}{\sqrt{2} } ,\frac{1}{\sqrt{2} }) (-\frac{1}{\sqrt{2} }, -\frac{1}{\sqrt{2} })

A system of the equation of a parabola and a linear equation

Let equation of Parabola be y^2 = x

and linear equation y = x

substitute

x^2 = x\\x^2 - x= 0\\x(x-1) = \\x = 0 , 1

Y = 0,1

so the two solutions will be (0,0) and (1,1)

3 0
2 years ago
Y= 4x + 4 and -0.25x - 2
Yuri [45]

Answer:

.2

Step-by-step explanation:

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