3 years ago

I"LL BRAINLISTT!!!

1 answer:

4 0

False

True

True

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True

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andreev551 [17]

Answer:

student's age = x years.

Teacher's age = 2x + 6

Principal's age = 3x + 10

------------------------------------------

Difference between ages ,

$\bold{(3x + 10) - (2x + 6)} \\\bold{ = > 3x + 10 - 2x - 6} \\ \bold{= > x + 4}$

therefore ,

second option is the correct answer.

hope helpful ~

5 0

2 years ago

DiKsa [7]

Just plug in 4 for the x

2*4 +4y =36
8+4y =36
4y =36-8
4y=28
y= 28/4
y=7

7 0

3 years ago

mote1985 [20]

Adjacent angles are two angles that have a common vertex and a common side.
hope this helps

6 0

3 years ago

masya89 [10]

Answer:

Step-by-step explanation:

5 0

3 years ago

Harlamova29_29 [7]

$bears = x \\ lions = 3x - 4 \\ tigers = \frac{ 3}{4}x + 3$

all you have to do next is add all of them in one equation and equate them to 18

when you find x, replace in each expression to get your answers

8 0

3 years ago