Answer:
250 questions
Step-by-step explanation:
65 is equal to 26% of the total number of questions so:
65 / total number of questions (x) is equivalent to 26 / 100
(65 and 26 are a fraction of the whole thing. it doesn't matter whether they go on the numerator or denominator, as long as they are either both on one or the other)
65/x = 26/100
you can simplify this into
26x = 6500
/26 /26
then you divide by 26 on both sides to isolate the variable
x = 250
Answer:
a5=445
Explanation:
a of n=(a+1)*n
a1=2
I found the pattern to add 1 to the previous number and then multiply it by its number in the sequence. Apologies for the terrible format of my recursive formula.
Proof of pattern:
(2+1)*2=6
(6+1)*3=21
(21+1)*4=88
a5=(88+1)*5=445
Answer:
You have to figure out what x means
Step-by-step explanation:
bc i know math. a liitle bit and like to help.
<span>If the radius of a circle is doubled in length, the circumference of the circle is also doubled in length</span>
Answer:
≈ 14.6%
Step-by-step explanation:
percentage increase is calculated as
× 100%
increase = 2.75 - 2.40 = 0.35 , then
percentage increase = 
× 100% ≈ 14.6% ( to the nearest tenth )
