If you only have 3 point problems you have a total of 3*30=90 points, since the test has 100 points you need 10 extra points, so 10 of those 3 point questions have to be changed to 4 point questions.
So 20 3-point questions and 10 4-point questions.
I just calculated it and it's 13 ..
Answer:
see below
Step-by-step explanation:
a)The least common multiple of 8 and 12 is 24
3*8 =24
2*12 = 24
b)
3/8 * 3/3 =9/24
5/12 * 2/2 = 10/24
c)
9/24 + 10/24 =19/24
Answer:
208.8
Step-by-step explanation:
The ratio of the areas will be:
<span><span>192 / 363</span>=<span>64/ 121
</span></span>
The ratio of the sides will be the square root of that:
<span><span><span>sqrt(</span><span>64/121</span>)=<span>811</span></span></span>
