3 years ago

The following triangle shows the length of each side using expressions.

Mathematics

1 answer:

grigory [225]3 years ago

4 0

Answer:

A). 2(2n+7)+3n

B). 2(2(8)+7)+3(8)
2(16+7)+ 24
2(23)+24
46+24
70

You might be interested in

What is group A called?<br> What is group B called ?

Gre4nikov [31]

Answer:

A would be the line of best fit and B would be the oulier

7 0

3 years ago

Solve using the elimination method:<br> X-3y=7<br> 3x + 3y=9

sergij07 [2.7K]

Answer:

$x=4\\\\y=-1$

Step-by-step explanation:

Given Equation:

$x-3y=7$ Equation:1

$3x + 3y=9$ Equation:2

Dividing Equation:2 by '3' both the sides:

$x+y=3$

or $x=3-y$ Equation:3

Putting the vale of 'x' in Equation:1

$x-3y=7$

$(3-y)-3y=7\\\\3-y-3y=7\\\\3-4y=7\\\\$

Subtracting '3' both sides

$-4y=7-3\\\\-4y=4$

$y=\frac{4}{-4}$

$y=-1$

Putting value of 'y' in Equation:3

$x=3-y$

$x=3-(-1)\\\\x=3+1\\\\x=4$

The solution of the equations is :

$x=4\\\\y=-1$

7 0

3 years ago

Explain why the sum of the angle measures in any triangle is 180

MA_775_DIABLO [31]

This is because two angles are zero and top is a straight line, and a line is 180 degrees!

hopes this helps :)

5 0

2 years ago

Read 2 more answers

Two cars leave the same place at the same time, but drive in opposite directions along a straight road. one car averages 35 mi/h

Goshia [24]

As we do not know the other cars avg speed we can not tell the answer. Please repeat the question.

6 0

3 years ago

Fish Tales P.O.W.

mars1129 [50]

25 because it said the head of the fish in 10 the fishes tail is the same 10 plus half witch is 5 so if u add it you get 25

7 0

3 years ago