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DiKsa [7]
3 years ago
8

One number is 7 more than another. If the sum of the two numbers is 165, find the two numbers.

Mathematics
1 answer:
timurjin [86]3 years ago
3 0

x+7+x=165

2x+7=165

2x+7-7=165-7

2x=158

2x÷2=158÷2

x=79

79+7+79=165

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6x(4x^(2)-9y^(2)when divided by 2x(2x-3y) gives
White raven [17]

Answer:

3(2x + 3y)

Step-by-step explanation:

Here, we want to divide

The inner term of the first part can be splitted by the use of the difference of two squares

That is;

given two perfect squares, separated by negative; we can write the factors as;

a^2-b^2 = (a-b)(a + b)

Thus;

4x^2 - 9y^2 = (2x-3y)(2x + 3y)

matching term for term;

6x/2x will give 3

while (2x-3y)(2x + 3y)/(2x-3y) = 2x + 3y

So we have the results of the division as;

3(2x + 3y)

7 0
3 years ago
Alvin at 1/3 of a pizza for dinner and took 1/6 of it for lunch the next day . How much pizza does he have left
Inga [223]
1/3=2/6

So he ate 2/6ths of the pizza and now there is 4/6ths left.

He took 1/6ths with him for lunch so 4/6-1/6=3/6
You can simplify 3/6 to 1/2

He was 1/2 of the pizza left. 
7 0
3 years ago
Read 2 more answers
Determine the slope of the line that passes through each pair of points. TEKS 8.4(B)
lana66690 [7]

Slope of EF = 5/2

Slope of XY=4/3

Further explanation:

"Slope is the steepness of a line"

The formula for slope when two lines are given:

m=\frac{y_2-y_1}{x_2-x_1}

Now,

<u>1. E(2-1) and F(4,4)</u>

m=\frac{4-(-1)}{4-2}\\ =\frac{4+1}{2}\\ =\frac{5}{2}

<u>2. X(1, 4) and Y(-2,0)​</u>

m=\frac{0-4}{-2-1}\\ =\frac{-4}{-3}\\ =\frac{4}{3}

Hence,

Slope of EF = 5/2

Slope of XY=4/3

Keywords: Slope, Slope Calculation

Learn more about slope at:

  • brainly.com/question/2488474
  • brainly.com/question/2515112

#LearnwithBrainly

7 0
3 years ago
If x+3 is a factor of <br> 2x^2+bx-15<br> what is the value of b?
Mashcka [7]
I hope this helps you

8 0
4 years ago
Fred loves watermelon and buys 6 of them at the grocery store. If he gives friends 1 1/2 of a watermelon each, how many friends
Georgia [21]

Answer:

4 friends will get watermelon

Step-by-step explanation:

1. 1 1/2 + 1 1/2 = 3

2. 1 1/2 + 1 1/2= 3

3. 3+3=6

4. Now count how many times we added 1 1/2.

5. If you counted correctly, you should've gotten 4.

4 0
3 years ago
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