Answer:
X=66
Step-by-step explanation:
x/3-10=12
x/3=12+10
x/3=22 ||x3
x=66
Answer:
<u>84 students </u>
Step-by-step explanation:
See the attached table
As shown there are 20 students from Math club, 7 of them would like to choose calculators.
so, the probability of students who choose calculators = 7/20
If there are 240 students in the Math club
So, the number of students expected to choose calculators = 240 * 7/20
<u>So, the number of students = 84 students </u>
Answer:
Upper Right
Step-by-step explanation:
All of them have different dips, therefore the one facing in a different direction must be the odd one out.

means to say there is some

such that

. Similarly,

is equivalent to saying there exists
![k_2[/te]x such that [tex]n=dk_2](https://tex.z-dn.net/?f=k_2%5B%2Fte%5Dx%20such%20that%20%5Btex%5Dn%3Ddk_2)
.
Now,

, i.e. there is some

such that

is a multiple of

, i.e.

.