Answer: RQS= 90, QRS= 43, QSR= 47
Solving Steps:
180-90=90 (all the angles combined equal 180)
9x-2+10x-3=90
19x-5=90
19x=90+5
19x=95
x=5
9(5)-2= 43
10(5)-3= 47
Answer: 13:15
26:30
39:45
52:60
Step-by-step explanation:
What took place in the Roman amphitheater’s
Answer:
The number is 5
Step-by-step explanation:
First of all we have to convert the given scenario in mathematical or algebraic expression.
Let x be the number
Then according to given statement, the equation will be:
"Three times a certain number"
"is added to 5"
"the result is 20"
Using Subtraction property of Equality
Using division property of equality
Hence,
The number is 5
Answer:
15.
Step-by-step explanation:
It said twenty-two less than a number so you subtract. 15-22 is 7.