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kvasek [131]
4 years ago
7

Students are voting on the color of T-shirts to wear on their field trip. There are 160 students-65 boys and 95 girls-going on

Mathematics
2 answers:
kumpel [21]4 years ago
8 0
The representative sample contained more girls than the boys
borishaifa [10]4 years ago
7 0

Answer:

The 3rd option

Step-by-step explanation:

There are more girls so it's more like that there are more girls picked

You might be interested in
Use mental math to find the value of 15/124 times 230/30 divided by 230/124
-BARSIC- [3]
15/124 is 1860 multiply
230/30 is 6900 multiply
1860 and 6900 is 8760 addition
230/124 is 28520 divided by 8760 is 3.2
tried :)
5 0
3 years ago
In one round robin chess tournament, 36 games were played. How many players entered in the tournament?
ICE Princess25 [194]
\displaystyle
\binom{n}{2}=36\\\\
\dfrac{n!}{2!(n-2)!}=36\\
\dfrac{n(n-1)}{2}=36\\
n(n-1)=72\\
n^2-n-72=0\\
n^2-9n+8n-72=0\\
n(n-9)+8(n-9)=0\\
(n+8)(n-9)=0\\
n=-8 \vee n=9

The number of players can't be negative, so there was 9 players.


6 0
4 years ago
Find the product of (3.7 •10^4) and 2.
Inga [223]

Answer:

18.5

Step-by-step explanation:

8 0
3 years ago
Read 2 more answers
How do I round the number to those explanations and do question 2 so confused
wolverine [178]
1) Nearest thousand: 457,000 (Look at the thousandths place. Is the number closer to 457,000 or 456,000?)
Hundred: 457,000 (Look at the hundredths place. Is the number closer to 456,000 or 457,000?)
Ten: 456,990 (Look at the tenths place. Is the number closer to 456,980 or 456,990?)

2) The value of the expression when x=6 is 27. Explanation:
6x-7
6(6)-7
36-7
27
The value of the expression when x=3 is 11
Explanation:
6x-7
6(3)-7
18-7
11
6 0
3 years ago
Two friends share £150 in the ratio 4:11<br> (a) How much does each friend receive?
aliya0001 [1]

Step-by-step explanation:

Total ratio=4+11

=15

1st friend's share

= 4/15 x 150

=4 x 10

=£40

2nd friend's share

=11/15 x 150

=11 x 10

=£110

5 0
3 years ago
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