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mixer [17]
3 years ago
7

Which linear equation has a slope of 3 and a y-intercept of –2?

Mathematics
2 answers:
nordsb [41]3 years ago
4 0
The\ slope-intercept\ form:y=mx+b\\\\m-the\ slope\\b-y-intercept\\\\m=3;\ b=-2\\\\therefore\\\\\boxed{y=3x-2}
iVinArrow [24]3 years ago
3 0

Answer:

B

Step-by-step explanation:

understand the order first the apply the variables in the formula Y=mx+b.

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Solve <br><br> 9x-14-2x=5(2x-6)
deff fn [24]

9x-14-2x=5(2x-6)\qquad\text{use distributive property}\\\\(9x-2x)-14=(5)(2x)+(5)(-6)\\\\7x-14=10x-30\qquad\text{add 14 to both sides}\\\\7x=10x-16\qquad\text{subtract 10x from both sides}\\\\-3x=-16\qquad\text{divide both sides by (-3)}\\\\\boxed{x=\dfrac{16}{3}}

8 0
3 years ago
The ice cream vendor 's cold box holds 24 ice cream cups. The
jeyben [28]

Answer:

16

Step-by-step explanation:

24/8=3

48/3=16

7 0
3 years ago
Which equation represents the line passing through the points (4, −1) and (1, 0)? Select one: A. x + 3y = 1 B. 3x + y = 1 C. x −
Alekssandra [29.7K]

Answer:

Step-by-step explanation:

Gradient of a line =( y2 - y1)/x2 - x1

From the question, x1=4,y1=-1,x2=1,y2=0.

Therefore, substitute for these values in the above formula

m = 0-(-1)/1-4

= 0+1/-3

= -1/3.

Therefore, y-y1/x-x1 = -1/3

y - y1 = -1/3(x - x1)

y - (-1) = -(x-x1)/3

y+1 = - (x - 4)/3

Multiply through by 3

3y+3= -x+4

3y +x=4-3

x+3y= 1

Therefore the answer is A.

7 0
3 years ago
The formula for the area A of a trapezoid is A=1/2(b1+b2)h, where b1 and b2 represents the lengths of the bases and h represents
aleksandr82 [10.1K]

Answer:

B. h=2A/(b1+b2) . . . . parentheses are needed

Step-by-step explanation:

Multiply the equation by the inverse of the coefficient of h. That coefficient is (b1 +b2)/2, so its inverse is 2/(b1 +b2). Parentheses are needed.

... 2A/(b1 +b2) = h

_____

<em>Comment on the answer choices</em>

As written, <em>none of them are correct</em>. The denominator can only be written without parentheses if the division bar is horizontal, and so serves also as a grouping symbol.

6 0
3 years ago
11.68 - 0.48 ÷ (-1.6) = <br><br> need help I need a way to solve this problem
ExtremeBDS [4]

Step-by-step explanation:

11.68-0.48

= 11.20

11.20÷1.6

= 7.0 or 7

ahh this is the correct answer.

so if it helps don't forget to like and Mark me.

4 0
3 years ago
Read 2 more answers
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