Answer:
area of parllelogram=base×height=(4+8)×7=12×7=
84m²
So average=(total of scores)/(number of tests)
needs at least average of 70
at least is represented as greater than or equal to or the sign (<u>></u>)
70<u>></u>(total)/(number oftests)
since we have 3 tests, we have to have 3 scores so
70<u>></u>(x+y+z)/3
he scored 85 and 60
70<u>></u>(x+85+60)/3 (doesn't matter which to subsitute)
70<u>></u>(x+145)/3
multiply obht sides by 3
210<u>></u>x+145
subtract 145 from both sides
65<u>></u>x
he needs to get at leas 65 on his third test
Answer:
1/6
Step-by-step explanation:
We can make a Punnett square to find number of favourable outcome
so
cube1
+
cube2 1 2 3 4 5 6
1 2 3 4 5 6 7
2 3 4 5 6 7 8
3 4 5 6 7 8 9
4 5 6 7 8 9 10
5 6 7 8 9 10 11
6 7 8 9 10 11 12
The probability of rolling doubles given that the sum is 6
<h3> favourable outcome / number of outcome</h3>
6 / 36
1 / 6
X= 2 1/2 simplify it and you will get 5/2.Hope this helps. :-)
