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2 years ago

The ratio of boys to girls in the school choir is 4:7 if there are 16 boys how many girls are in the choir?

Mathematics

2 answers:

Viktor [21]2 years ago

3 0

Answer:

Step-by-step explanation:

let the no of girls be x

ratio of boys to girls=4:7

4/7=16/x

do cross multiplication

7*16=x*4

112=4x

112/4=x

28=x

therefore there are 28 no of girls.

Alenkasestr [34]2 years ago

3 0

I don’t know the answer

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Can someone plz help me? <3

OverLord2011 [107]

Answer:

C - 52

Step-by-step explanation:

z = 12 x = 2

(You do indices first!)

2 x 2 x 2 = 8

8 x 5 = 40

12 + 40 = 52

I hope this helps, have a good day! :D

5 0

2 years ago

CAN SOMEONE HELP ME PLS I GIVE POINTS

kogti [31]

Answer:

and i think its b

Step-by-step explanation:

i cnt see the question and its blurry and can i get the crown thing

4 0

2 years ago

The height h of a cylinder is 3 units lees than 4 times its radius r. Which expression represents the height of the cylinder in

frez [133]

Well it's 4 time the radius, so 4r
And it's 3 less than that, so
4r - 3 is the height

7 0

3 years ago

Is 7/9 a rational number ?

zzz [600]

Answer:

Yes.

Step-by-step explanation:

Rational numbers can be represented as fractions with integers. The denominator must not equal 0.

$\frac{7}{9}$ is already in this form. This means that it's a rational number.

Hope this helps.

8 0

3 years ago

Find the distance between each pair of points

algol [13]

Answer

$\sqrt{34}$

Step-by-step explanation

You would use the pythagorean theorem for this problem. The point on the y-axis is 5 away from (0,0). The point on the x-axis is 3 away. You would square these, leading from

5+3 to

25+9= $\sqrt{34}$

Answer is $\sqrt{34}$ .

7 0

2 years ago