Answer:
9
Step-by-step explanation:
equation: QRI+IRS=QRS
calculate it and you get x=9
sequences can be expressed in terms of the nth term of the sequence. In this case, the nth term = 2n. To find the 1st term, put n = 1 into the formula, to find the 4th term, replace the n's by 4's: 4th term = 2 × 4 = 8.
Does this help?
60 min = 1 hr
30 times 2 = 60 minutes
7.7 times 2 = 15.4 km
15.4 km per hr is the answer
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Answer:
-1/2
Step-by-step explanation:
Given:
Find the common denominator for the fractions, which is 6. Rewrite 1/3 as 2/6.
Combine like terms.
Simplify.
-0.5x = 1/4
Divide both sides by -0.5.
x = -1/2 = -0.5
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Answer:n=-1
Step-by-step explanation:n=-6+5
n=-1
