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3 years ago

Find the distance between the points given. (4, 5) and (7, 5)

Mathematics

2 answers:

mezya [45]3 years ago

6 0

You can use the distance formula d = √[(x1-x2)^2 + (y1-y2)^2]

so your distance is √[(7-4)^2 + (5-5)^2] = √9 = 3 :)

Wewaii [24]3 years ago

3 0

The distance between the two is (3, 0)

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-2x + 3y = 18. x = -y + 1

Bezzdna [24]

Answer:

D. X=-3, y=4

Step-by-step explanation:

-2x+3y=18 equation 1

x=-y+1 equation 2

-2(-y+1)+3y=18 replace x value of equation 2 into equation 1

2y-2+3y=18

5y=20

y=4

solve for x by replacing y value into either equation.

x=-y+1

x=-4+1

x=-3

8 0

3 years ago

Kerry is collecting money for school. Her goal is to get $200. She has collected $15 each from 12 people so far. How much more m

8090 [49]

Answer:

20 dollars

Step-by-step explanation:

15 dollars times 12 people to see how much money she got/has right now is 180 dollars

then take 200-180 to get <u>20</u>

5 0

3 years ago

-4/6+-7/9

lesantik [10]

$-\frac{4}{6} + -\frac{7}{9}$ = $-\frac{13}{9}$

Step 1: Cancel 4/6 and change to 2/3.

$= -\frac{2}{3} - \frac{7}{9}$

Step 2: Adjust Fractions based on the LCM.

The LCM of 3 , 9 : 9

$= -\frac{6}{9} - \frac{7}{9}$

$= \frac{-6 - 7}{9}$

Step 3: Subtract the numbers : - 6 -7 = -13

$= -\frac{13}{9}$

3 0

4 years ago

Choose the equivalent expression. 0.6x -4.8 + 3x -1.2x + 8.4

Vera_Pavlovna [14]

Your answer is A=1.2(2x+3)

4 0

3 years ago

A huge Ping-Pong tournament is held in Beijing with 65,536 participants at the start of the tournament. Each round of

lisabon 2012 [21]

Answer:

After 16 rounds the champion of Ping-Pong player can be determined.

Step-by-step explanation:

This is an example of geometric progression,

First term = 65,536

$\texttt{Common ratio = }\frac{1}{2}$

Now we need to find which term is 1 in this GP.

N th term of GP is given by

$t_n=ar^{n-1}$

Substituting

$1=65536\times \left ( \frac{1}{2}\right )^{n-1}\\\\\frac{1}{65536}=\left ( \frac{1}{2}\right )^{n-1}\\\\2^{n-1}=65536\\\\2^{n-1}=2^{16}\\\\n=17$

Seventeenth term of this GP is 1.

That is after 16 rounds the champion of Ping-Pong player can be determined.

3 0

4 years ago