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3 years ago

Find the slope pls thx

Mathematics

1 answer:

Lisa [10]3 years ago

7 0

The gradient formula is (y2-y1)/(x2-x1) aka rise/run, where by (x1,y1) and (x2,y2) are two points on the line.

In this case, the gradient
= -5-(-2))/(2-(-2))
= -3/4

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Add the binomial (8a + 3) + (a + 2)

Juli2301 [7.4K]

Answer:

9a+5

Step-by-step explanation:

We add only like terms:

8a+a=9a

3+2=5

9a+5

So 9a+5 would be our final answer

3 0

3 years ago

Read 2 more answers

Luisa claims that when she subtract two negative integers the result is always positive. Is she correct? Explain.

torisob [31]

No the answer is not always postive. For example. If you had -50 and subtracted -30 you would have -20.

6 0

4 years ago

Read 2 more answers

Please helppppp me Idk how to answer this

BARSIC [14]

C. Plug in 0 into the equation
y = (0)^2 + 10
y = 10
It would be (0,10)

3 0

3 years ago

Olga says: If you subtract 8 from

alexandr402 [8]

Answer: 1.5

Step-by-step explanation: Reverse the equation to get the answer.

-13 divided by 2 is -6.5

add 8 and you'll get 1.5

7 0

3 years ago

Find the surface area of the rectangular prism. justify your answer 3ft, 2ft, 4ft

Gelneren [198K]

Answer: $SA=52\ ft^2$

Step-by-step explanation:

The surface area of a rectangular prism can be calculated with the following formula:

$SA = 2wl + 2lh + 2hw$

Where "l" is the length of the rectangular prism, "w" is the width and "h" is the height.

In this case you can say that the length, the width and the heigth of this rectangular prism, are the following:

$l=4\ ft\\\\w=2\ ft\\\\h=3\ ft$

Knowing these values, you can substitute them into the formula shown before:

$SA = 2wl + 2lh + 2hw\\\\SA = 2(2\ ft)(4\ ft) + 2(4\ ft)(3\ ft)+ 2(3\ ft)(2\ ft)$

Finally, you must evaluate in order to calculate the surface area of the rectangular prism.

You get that this is:

$SA=2(8\ ft^2)+2(12\ ft^2)+2(6\ ft^2)\\\\SA=16\ ft^2+24\ ft^2+12\ ft^2\\\\SA=52\ ft^2$

4 0

4 years ago