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Y_Kistochka [10]
3 years ago
13

The ratio of girls to boys in the ninth grade is 5:4. if there are 144 boys in the ninth grade, how many girls are there?

Mathematics
2 answers:
andreev551 [17]3 years ago
6 0
B is the correct answer

180/144 = 1.25 or (5/4)
taurus [48]3 years ago
3 0

144 \div 4  = 36 \\ 36 \times 5 = 180
the answer is b
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Albert O'Malley signs a promissory note for $3,500 for 150 days at 9% exact interest. Find the interest he must pay _____ and th
tia_tia [17]

Answer:

He must pay $129.45 and the total amount due is $3,629.45.

Step-by-step explanation:

I (interest) =P (principal) x R (rate) x T (time)

I=3500x.09x150/365

I=129.45

A (amount due) = P (principal) + I (interest)

A= 3500 + 129.45

A= $3629.45

8 0
2 years ago
The ratio of pencils to erasers is 4:1 if there are 208 pencils,how many erasers are there?
Neko [114]

Answer:

52

Step-by-step explanation:

for every 4 pencils there is 1 eraser.  4/1=208/x

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7 0
3 years ago
Is the order pair (2,1) a solution to the equation 4x-2y=5?
torisob [31]

No.

When you insert the numbers you get 8-2=5

This is inaccurate.

Please vote brainliest!

6 0
3 years ago
PLSSSSS HURRY Brainliset involed
ExtremeBDS [4]

Answer:

24.36m²

Step-by-step explanation:

area = ½×(8.9+2.7)×4.2= ½×48.72=24.36m²

4 0
3 years ago
I really need the answers to these questions so can anybody tell me the answers
loris [4]
It's really important that you aim to understand how to do these problems yourself, rather than "pay" others to do them for you.  Why not ask for "directions" or "guidance," instead of for "answers?"

This is a tricky question because it's not required that you have the full 12 beads on the string in every case.  You could, for example, have 6 beads, 2 of which would be red, making the ratio of red beads 2 to 6, or 1 to 3.  

What about 3 red beads in 9?
What about 1 red bead in 3?
Do these "answers" satisfy the requirement that the ratio of red beads to all beads is 1:3?
5 0
3 years ago
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