Answer:
49% of the pupils are boys and 51% are girls.
Step-by-step explanation:
Alright, so first, you've got to find the total number of students: 567.
Now, to find the value of 1%, you divide 567 by 100, which will give you 5.67.
Next, you divide the number of male students by the value of 1%. That's 278 ÷ 5.67 = 49.0299823633157.
Subtracting that from 100% gives you 50.9700176366843 (percentage of girls)
Now, you can't write all that down, so you'll round it! 49.0299823633157 will round down, because 0 is less than 5, so it's 49%. 50.9700176366843 rounds up, because 9 is greater than 5, so that's 51%.
Therefore, 49% of the pupils are boys and 51% are girls.
I hope this helps!
Answer:
.753
Step-by-step explanation:
Let Ps = probability both marbles are the same color.
Let Pd = probability both marbles are a different color.
Pd = 1 -Ps
Let Pb = probability both marbles are blue
Let Pr = probability both marbles are red.
Let Pg = probability both marbles are green
Pb= 2/9 * 1/9 = 2/81
Pr= 4/9 * 3/9 = 12/81
Pg=.3/9 * 2/9= 6/81
Ps = Pb + Pr +Pg= 20/81
Pd =1-Ps= 61/81 = .753
Is this correct?
Answer: 10,000(1.03)⁴ˣ
<u>Step-by-step explanation:</u>
A = P(1 + 
)ⁿˣ
A is the amount (new balance): <u> unknown </u>
P is the principal (amount you started with): <u> 10,000 </u>
r is the interest rate: 12% = <u> .12 </u>
n is the number of times per year it is compounded: quarterly = <u> 4 </u>
x is the number of years: <u> x </u>
A = 10,000(1 + 
)⁴ˣ
= 10,000(1 + .03)⁴ˣ
= 10,000(1.03)⁴ˣ
3% of 8 is 0.24
so, the max amount would be 8.24 ounces
the minimum amount would be 7.76 ounces
hope this helps!!
