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3 years ago

Two collinear points are given in the table below

Mathematics

2 answers:

vazorg [7]3 years ago

7 0

Answer:

b & c

Step-by-step explanation: I got a 100 on the USA/test

denis-greek [22]3 years ago

6 0

Answer:

I think the answer are C. , d. , E.

Step-by-step explanation:

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A lawn company advertises that they can spread 7,500 square feet of grass In 2 1/2 hours find the number of square feet of grass

Svetradugi [14.3K]

Ok in one hour the company can spread 3,000 square feet or sqft.

First we need to see which numbers make sense out of 7,500. First we remove the 500 and have 7,000, then we separate 3,000 and for each hour and we are left with 1,000 from here and the 500 we took out before. Now we have a total of 1,500 for the half hour which makes sense because if you add 1,500 for half an hour an 1,500 for another half an hour you get a total of 3,000 which is what we got for the hours above and if you add 3,000 which is for one hour and add 3,000 for the other hour or multiple 3,000 *2 which is the same thing as adding it twice and then add 1,500 for the half hour we get 7,500 total which means 3,000 I'd how much the company can spread in one hour.

3 0

3 years ago

Given that the following two geometric series(meetkundige reekse) are covergent 1+x+x²+x³+... And 1-x+x²-x³+... Determine the va

Oksanka [162]

The sets are (1,-1) or (-1,1)

Lets see

Take until 4terms

$\\ \rm\longmapsto S_4=1+1+1^2+1^3=1+1+1+1=4$ (1,-1)

$\\ \rm\longmapsto S_4=1+(-1)+(-1)^2+(-1)^3=1-1+1-1=0$ (-1,1)

$\\ \rm\longmapsto S_4=1-(-1)+(-1)^2-(-1)^3=1+1+1+1=4$ (1,-1)

$\\ \rm\longmapsto S_4=1-1+(1)^2-1^3=1-1+1-1=0$ (-1,1)

Hence verified

Another set can be (0,0)

Proof:-

$\\ \ast\rm\longmapsto S_3=1+0+0^2=1$

$\\ \ast\rm\longmapsto S_3=1-0+0^2=1$

Hence verified.

3 0

2 years ago

Given: ∠KJL and ∠KML intercept arc KL. Prove: m∠KJL = m∠KML

Marizza181 [45]

I think it proved by the arc intercepting kl making it an interior alternate angle which means it equal to each other

7 0

3 years ago

Read 2 more answers

Pls help!! 25 points!!

ankoles [38]

Answer:

(6, 840) (5, 700) (3, 420) (4, 560)

Step-by-step explanation:

Use the one point that is completely filled out, (6, 840). Divide 840 by 6 and you get 140 so that is the slope. 5x140= what the y intercept will be, 700. 420/140= what the x intercept will be, 3. Now you can see a pattern which helps check your work. They are all decreasing pretty much, not really ordered much but. And finally the last point 4x140=560. Hope that helps! :)

4 0

3 years ago

Could someone pls explain this step by step? Really simplify it pls because I don't understand it at all.

Lunna [17]

Answer:

y = 2x -6
y = -x +2
y = 4/5x -2
y = -3/2x +4

Step-by-step explanation:

The slope-intercept form of the equation for a line is ...

y = mx +b . . . . . where m is the slope, and b is the y-intercept

For these equations, writing them in slope-intercept form means "solve for y." You always do any "solve for ..." problem by undoing the operations that are done to the variable. Addition is undone by adding the opposite. Multiplication is undone by division.

As always, whatever operation we perform on one side of the equal sign must also be performed on the other side. That is how the equal sign remains valid.

1/2y = x -3

All we need to do is get rid of the coefficient of y. We can do that by dividing by 1/2, or multiplying by 2. The latter is easier to see, perhaps.

2(1/2y) = 2(x -3)

y = 2x +2(-3)

y = 2x -6

x +y = 2

Here, we need to undo the addition of x. We do that by adding (-x) to both sides of the equation.

-x +x +y = -x +2

y = -x +2

4x -5y -10 = 0

This is a combination of the above operations. We can separate the y-term from the others by either subtracting the others, or adding the opposite of the y-term. We choose the latter, because that will give a positive coefficient for y. Adding 5y to both sides gives ...

4x -5y +5y -10 = 5y

5y = 4x -10 . . . . . . . . simplify and put y on the left

Now, we need to divide by the coefficient of y. We do that to both sides of the equation.

5y/5 = (4x -10)/5

y = 4/5x -10/5

y = 4/5x -2

3x = -2y +8

We have a constant with the y-term. To get rid of it, we add its opposite to both sides.

3x -8 = -2y +8 -8

3x -8 = -2y

As before, we divide by the coefficient of y:

(3x -8)/(-2) = (-2y)/(-2)

-3/2x +4 = y

y = -3/2x +4

3 0

2 years ago