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4 years ago

HELP HELP HELP HELP HELP HELP HELP HELP!!!!!

Mathematics

1 answer:

Sveta_85 [38]4 years ago

8 0

First, you need to multiply what's inside the parenthesis.

7x + ( 5 × 6 )z

7x + 30z

There are no like variables to add or subtract, so this is our most simplified answer.

7x + 30z

- Marlon Nunez

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A sculptor needs to lift a piece of marble. It is a cuboid with dimensions 1m by 0.6 m by 0.3 m. Marble has a density of 2.7 g/c

geniusboy [140]

P = m/v
To find the mass you have to do Density x Volume.
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3 years ago

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4 years ago

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Point A is located at (3,6). The midpoint of line segment AB is point C(11,13). What are the coordinates of point B? Use the mid

lesya692 [45]

Answer: The coordinates of point B are (19 , 20).

Step-by-step explanation:

The mid point (x,y) of line joining (a,b) and (c,d) is given by :-

$(x,y)=(\dfrac{a+c}{2},\dfrac{b+d}{2})$ (1)

Given : Point A is located at (3,6). The midpoint of line segment AB is point C(11,13).

Let the coordinates of point B are (a,b) m, the according to (1) , we have

$(\dfrac{3+a}{2},\dfrac{6+b}{2})=(11,13)\\\\\Rightarrow\ \dfrac{3+a}{2}=11\ \ ,\ \ \dfrac{6+b}{2}=13\\\\\Rightarrow\ 3+a=22\ \ ,\ \ \ 6+b=26\\\\\Rightarrow\ a=19,\ \ b= 20$

Hence, the coordinates of point B are (19 , 20).

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4 years ago