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scoray [572]
4 years ago
5

Are the linear equations in standard form? sort each equation into the appropriate category.

Mathematics
1 answer:
Sholpan [36]4 years ago
4 0
What equation? You would have to pass a photo, but...
Standard form is: ax+by=c
Slope intercept form is: y=my+b
Point slope for is: y − y1 = m(x − x1)
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teresa earns $6.25 per hour. Calculate he wage for the week where she works the following number of hours:
pogonyaev
You first need the number of hours worked
3 0
3 years ago
The length of the segment AD is 28 cm. The distance between the midpoints of segments AB and CD is 16 cm. Find the length of the
erastovalidia [21]

Given=

length of the segment AD is 28 cm

distance between the midpoints of segments AB and CD is 16 cm

find out length of BC

To proof

AD = 28 cm

let the midpoint of the AB is E.

let the midpoint of the CD is F.

E & F are the midpoints i.e these points divide AB & CD in two equal parts.

Let BC = z

Let AE = EB = x     ( E is midpoint)

Let CF = FD = y      (F is midpoint)

the equation becomes

2x + 2y + z = 28

x + y + z = 16

mulitipy above equation by 2

we  get

2x + 2y + 2z = 32

thus solving the equations

2x + 2y + 2z = 32

2x + 2y + z = 28

we get

z = 4 cm

i.e BC = 4 cm

Hence proved

 

8 0
4 years ago
11x^2+2-7x-6x^2-12 solve for this equation
Misha Larkins [42]

Answer:

5x^2 - 7x - 10.

Step-by-step explanation:

11x^2+2-7x-6x^2-12

Bring like terms together We get:

11x^2 - 6x^2 - 7x + 2 - 12

= 5x^2 - 7x - 10.

6 0
3 years ago
Read 2 more answers
The sum of two numbers is 12 and their difference is 20. What is the smaller number?
zhannawk [14.2K]

Answer:

16 and -4

Step-by-step explanation:

Let the 2 numbers be x and y with x > y

x+y=12

x-y=20

Adding the 2 equations, term by term on both sides, will eliminate y leaving an equation in x that we can solve

(x+x)+(-y+y)=(12+20)

2x=32

x=16

16+y=12

y=-4

16+-4=12

12=12

16--4=20

20=20

3 0
3 years ago
F(x) = –3x2 – 7x<br> Find f(7)
Dominik [7]

Answer:

ez

Step-by-step explanation:

7 0
3 years ago
Read 2 more answers
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