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MAVERICK [17]
3 years ago
9

Barry read for 15 more minutes than Robert.

Mathematics
1 answer:
Greeley [361]3 years ago
6 0
Hi!

C. v + 15

Barry read for 15 MORE minutes than Robert.
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Ymorist [56]

Answer:

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Step-by-step explanation:

5 0
2 years ago
Solve for a 1/2 a-9=11
Dmitry [639]

Answer:

a=31

Step-by-step explanation:

1/2(a-9)=11

a-9=22

a=22+9

a=31

6 0
3 years ago
Find j(3x^4y^7) if j(n)=n^3
qaws [65]

Answer:

Step-by-step explanation:

Rearrange the equation by subtracting what is to the right of the equal sign from both sides of the equation :

                    3*x-(4*y-7)=0

STEP

1

:

Equation of a Straight Line

1.1     Solve   3x-4y+7  = 0

Tiger recognizes that we have here an equation of a straight line. Such an equation is usually written y=mx+b ("y=mx+c" in the UK).

"y=mx+b" is the formula of a straight line drawn on Cartesian coordinate system in which "y" is the vertical axis and "x" the horizontal axis.

In this formula :

y tells us how far up the line goes

x tells us how far along

m is the Slope or Gradient i.e. how steep the line is

b is the Y-intercept i.e. where the line crosses the Y axis

The X and Y intercepts and the Slope are called the line properties. We shall now graph the line  3x-4y+7  = 0 and calculate its properties

Graph of a Straight Line :

 

Calculate the Y-Intercept :

Notice that when x = 0 the value of y is 7/4 so this line "cuts" the y axis at y= 1.75000

 y-intercept = 7/4  =  1.75000

Calculate the X-Intercept :

When y = 0 the value of x is -7/3 Our line therefore "cuts" the x axis at x=-2.33333

 x-intercept = -7/3  = -2.33333

Calculate the Slope :

Slope is defined as the change in y divided by the change in x. We note that for x=0, the value of y is 1.750 and for x=2.000, the value of y is 3.250. So, for a change of 2.000 in x (The change in x is sometimes referred to as "RUN") we get a change of 3.250 - 1.750 = 1.500 in y. (The change in y is sometimes referred to as "RISE" and the Slope is m = RISE / RUN)

   Slope     =  1.500/2.000 =  0.750

Geometric figure: Straight Line

 Slope = 1.500/2.000 = 0.750

 x-intercept = -7/3 = -2.33333

 y-intercept = 7/4 = 1.75000

4 0
2 years ago
7. Mike earns $12.00 per hour at a restaurant. On Thursday he spent 1 1/4 hours on
Goryan [66]
$68.60 would be the correct answer
6 0
3 years ago
If a, b, and care digits for which the following holds, then a +b+c=.
Ugo [173]

Answer:

B

Step-by-step explanation:

8 0
3 years ago
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