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3 years ago

Given the points P(3, 2) and R(6, 8), find the slope

Mathematics

1 answer:

Alexus [3.1K]3 years ago

8 0

Answer:

Slope = 2

Step-by-step explanation:

slope = (y2-y1) / (x2-x1)

(8-2)/(6-3) = 6/3 = 2

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What is the largest prime less then 120

sattari [20]

Answer:

113.

Step-by-step explanation:

119 is divisible by 7.

117 is divisible by 3.

I think it's 113.

If you use your calculator to divide 113 by odd numbers up to 57 you can check if it is prime. You stop at 57 because 57*2 = 114. You need not divide by any number ending in 5 because 113 ends in 3.

I have done this and can't find a quotient that is a whole number so it must be prime (unless I've made a mistake!).

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3 years ago

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3 years ago

Read 2 more answers

What are the surface areas of those ?

Serggg [28]

Answer:

7) $SA=13.8 yd^{2}$ . 8) $SA=96yd^{2}$

Step-by-step explanation:

Here we have two different types of faces.Bottom face and side faces which are equivalent.

To calculate the area of a trinagle we have the formula of area to be

$A=\frac{1}{2}ab$

where a is the height of the triangle and b is the base of the triangle.

here let us first calculate the area of the bottom face,

$a1=\frac{1}{2}*2.6*3$

$a1=3.9yd^{2}$

now for the top faces which are similar, areas would be

$a2=\frac{1}{2}*2.2*3$

$3*a2=9.9yd^{2}$

Hence the total area is

$9.9+3.9=13.8 yd^{2}$

As we have seen in the above question area for a traingle would be

$A=\frac{1}{2}ah$ and for rectangle would be $lb$ where l and b are the lengths and breaths of the rectangle.

Area of traingles would be ,

$A1=\frac{1}{2}*3*4+ \frac{1}{2}*3*4$

$A1=12$

Area of rectangles would be,

$A2=7*4+7*5+7*3$

$A2=84$

Hence the total area is

$A=96$

6 0

3 years ago