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3 years ago

11 more than twice a number x

1 answer:

4 0

11 more than twice a number x...
twice a number x = 2* x = 2x
and 11 more than twice a number x
= 2 x + 11 Answer

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Find the other endpoint of the line segment with the given endpoint and midpoint.

Shtirlitz [24]

Answer:

endpoint is (29, -13)

Step-by-step explanation:

Formula for midpoint is $(\frac{x_{1} + x_{2} }{2} ,\frac{y_{1} + y_{2} }{2} )$

So, let $(x_{2} , y_{2} )$ be the coordinates of the endpoint you are looking for.

$x_{1} = -9$ and $y_{1} = 7$

$(\frac{-9 + x_{2} }{2} , \frac{7 + y_{2} }{2} )$ = (10, -3)

$\frac{-9 + x_{2} }{2} = 10$ $\frac{7 + y_{2} }{2} = -3$

-9 + $x_{2}$ = 20 7 + $y_{2} = -6$

$x_{2} = 29$ $y_{2} = -13$

endpoint is (29, -13)

6 0

3 years ago

Two pentagons are similar. So, their corresponding sides must have the same lengths.

Paul [167]

False.

they are similar not exactly alike.

5 0

3 years ago

For which real numbers x and y is it true that x + y = x+y?

Alchen [17]

By the general application of cumulative property of addition :

x + y = y + x

For sure

6 0

3 years ago

What is 11/9/18 as a mixed number in simplest form.

12345 [234]

The answer is 22 because in order to divide fractions (in this case we would have 11 as a fraction), you need to multiply one fraction by the reciprocal of the other fraction (the flipped form of a fraction).

To find this, we would do $\frac{11}{1}$ * $\frac{9}{18}$ .

This would come to be $\frac{198}{9}$ , and when simplified by dividing the numerator and denominator by 9, you get 22.

4 0

3 years ago

Calculate and simplify:<br><br> 18/20 + 4/8 =

Vladimir [108]

Common denominator = 40

36/40 + 20/40 = 56/40

Reduce and simplify=

7/5, which is 1 and 2/5

Hope that helps

8 0

3 years ago

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