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AleksandrR [38]
4 years ago
6

How do you multiple the following (x-8)(x-7)

Mathematics
1 answer:
OLEGan [10]4 years ago
3 0
You would need to cross multiply.  When you do that you get x^2-7x-8x+56.  Once simplifying you get x^2-15x+56.
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How do you find the surface area of this shape?
geniusboy [140]
I got 595 for surface area
You multiply each side like an individual shape.
6 0
4 years ago
What is the simplified form of the following expression?
kogti [31]

Answer:

\sqrt{3}


Step-by-step explanation:

We will be using 2 properties of radicals in this simplification (outlined below).

  • \sqrt{a*b}=\sqrt{a}* \sqrt{b}
  • \sqrt{a}*\sqrt{a}=a

<em>Let's simplify this:</em>

2\sqrt{27} +\sqrt{12} -3\sqrt{3}-2\sqrt{12}\\ =2\sqrt{9*3}+\sqrt{4*3} -3\sqrt{3}-2\sqrt{4*3} \\=2\sqrt{9} \sqrt{3} +\sqrt{4} \sqrt{3}-3\sqrt{3}-2\sqrt{4} \sqrt{3} \\=2(3)\sqrt{3}+(2)\sqrt{3} -3\sqrt{3}-2(2)\sqrt{3} \\ =6\sqrt{3} +2\sqrt{3}-3\sqrt{3}-4\sqrt{3}  \\=\sqrt{3}


First answer choice is right.

5 0
4 years ago
Does someone know how to do this? Can you help?
Pepsi [2]
Problem #3

d). The rate of change is 7. I got my answer by using the slope formula: y2 - y1
----------- = 35 - 21
x2 - x1 -------------- = 14
5 - 3 ----- = 7.
2

This means that for every 2 driveways he shovels, he earns 14 dollars.


7 0
4 years ago
Is this to easy to ask for the answer?<br><br> If so I´m sorry
scZoUnD [109]

Answer:

Ok so this does not make much sense but i think the answer is A. because it makes most sense and if you look up what 3<f means it will give you an explanation on what it means cause I have no idea and at least I tried.

                                    but try A.

5 0
3 years ago
Which image represents the first step in constructing the copy of a line segment?
sergij07 [2.7K]
For this case, we observe that the four options represent the steps to build a line similar to the PQ line segment.
 We have then that the first step is:
 Opening of the compass from P to Q to measure the length of the PQ line.
 Answer:
 
An image that represents the first step in constructing the copy of a line segment is:
 
option 1
7 0
3 years ago
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