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2 years ago

Plzz i need help with this can somebody help me?

Mathematics

1 answer:

Olin [163]2 years ago

6 0

Answer:

the answer is b

Step-by-step explanation:

if u divide .14 by .2

its gonna give u .8

2 times 8 is 16 but there are two decimals so its .16

hope this helps

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The midpoint of segment AB is (4, 2). The coordinates of point A are (2, 7). Find the coordinates of point B.

erastovalidia [21]

Answer:

<h3>The option B) is correct</h3><h3>Therefore the coordinate of B $(x_2,y_2)$ is (6,-3)</h3>

Step-by-step explanation:

Given that the midpoint of segment AB is (4, 2). The coordinates of point A is (2, 7).

<h3>To Find the coordinates of point B:</h3>

Let the coordinate of A be $(x_1,y_1)$ is (2,7) respectively
Let the coordinate of B be $(x_2,y_2)$
And Let M(x,y) be the mid point of line segment AB is (4,2) respectively
The mid-point formula is

Now substitute the coordinates int he above formula we get
$(4,2)=(\frac{2+x_2}{2},\frac{7+y_2}{2})$
Now equating we get

$4=\frac{2+x_2}{2}$ $2=\frac{7+y_2}{2}$

Multiply by 2 we get Multiply by 2 we get

$4(2)=2+x_2$ $2(2)=7+y_2$

$8=2+x_2$ $4=7+y_2$

Subtracting 2 on both

the sides Subtracting 7 on both the sides

$8-2=2+x_2-2$ $4-7=7+y_2-7$

$6=x_2$ $-3=y_2$

Rewritting the above equation Rewritting the equation

$x_2=6$ $y_2=-3$

<h3>Therefore the coordinate of B $(x_2,y_2)$ is (6,-3)</h3><h3>Therefore the option B) is correct.</h3>

7 0

3 years ago

Altlantic Auditorium has 1500 seats. Tickets were sold for 900 of the seats. for what percent of the seats were tickets sold?

muminat

60%, 900/1500 would be .6 and in terms of percent would be 60.

3 0

3 years ago

Identify the terms and like terms in the question 3n+7-n-3

Temka [501]

Answer:

like terms: (3n,-n),(7,-3)

Step-by-step explanation:

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2 years ago

Read 2 more answers

Julie’s friend decided to buy a jacket as well. The jacket that she bought, though, was not on sale. Julie’s friend’s jacket is

mr Goodwill [35]

Answer:

$48.15

Step-by-step explanation:

7% of 45 is 3.15. so 45 + 3.15= 48.15

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2 years ago

How would I factorise xy-4x +3y-12

morpeh [17]

Answer:

Factor xy−4x+3y−12

xy−4x+3y−12

=(y−4)(x+3)

hope this helps :D!!

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2 years ago