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jok3333 [9.3K]
3 years ago
9

A school choir has 36 members. There are three times as many underclassmen as seniors. How many seniors are in the choir? 9 seni

ors 12 seniors 24 seniors 27 seniors
Mathematics
2 answers:
____ [38]3 years ago
7 0

Answer:

Option A, 9 seniors

Step-by-step explanation:

A school choir has 36 members.

It is given that there are three times as many underclassmen as seniors.

In other way we can say that there are \frac{3}{4} underclassmen and

\frac{1}{4} are seniors.

Seniors are \frac{1}{4} × 36

= 9 seniors.

Option A, 9 seniors

amm18123 years ago
3 0
There are 9 seniors.

Although there are several ways of solving this problem, I just did what was easiest for me in my head. I divided 36 by 4, which gave me 9.
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A triangle has vertices at L(2, 2), M(4,4), and N(1,6). The
pav-90 [236]

Answer:

The rule for the transformation is (x, y) + (-X, -Y)

The coordinates of L'are (-2,-2).

The coordinates of N' are (-1,-6)

Step-by-step explanation:

90 degree rotation from (x,y) results in (-x, y) and 180 degree results in (-x,-y)

The coordinates will change accordingly

L(2,2) will become L'(-2,-2)

M(4,4) will become M'(-4,-4)

and

N(1,6) will become N'(-1,-6)

So the correct statements are:

The rule for the transformation is (x, y) + (-X, -Y)

The coordinates of L'are (-2,-2).

The coordinates of N' are (-1,-6) ..

8 0
4 years ago
Read 2 more answers
The rectangles below are similar in shape. How wide is the smaller rectangle?
Amanda [17]

Answer:

\huge\boxed{x=28\ ft}

Step-by-step explanation:

If two rectangles are similar, then corresponding sides are in proportion.

Therefore we have the equation:

\dfrac{x}{42}=\dfrac{36}{54}

cross multiply

54x=(42)(36)\\\\54x=1512

divide both sides by 54

\dfrac{54x}{54}=\dfrac{15212}{54}\\\\x=28

7 0
3 years ago
A baseball bat costs $41. This is $9 more than four times the wholesale cost of the bat.Find the bat's wholesale cost.
Lostsunrise [7]

We can find the bat's wholesale cost by working backwards -

Do $41 - 9 to get $32, then we can divide the 32 by the 4 to get $8.

Therefore, the wholesale cost of the bat is $8.


Happy to help!

7 0
2 years ago
Read 2 more answers
Common core question please help!!!
Maru [420]
She has 648 shirts.

Work:
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Johnny has 6 marbles.
42 + 4 + 2 + 6 = 54
54 + 5 + 4 = 63
63 + 6 + 3 = 72
But 72 is a multiple of 6!
Let's go further:
72 * 6 = 432

Now let's look at the word 'shirt'.
The middle letter is I.
I is the 9th letter of the alphabet.
Remember the number 72?
72*9 = 648
5 0
3 years ago
Solve -2.5n + 8.7 > 5.45.
AlexFokin [52]
A. n<1.3

-2.5n+8.7>5.45
subtract 8.7 from both sides
-2.5n>-3.25
divide -2.5 from both sides 
(since you divided by a negative you flip the sign!!)
n<1.3


5 0
3 years ago
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