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Helga [31]
3 years ago
14

8 55% of students in a school are boys.

Mathematics
1 answer:
ioda3 years ago
5 0

Answer:

Ratio = 11:9

Boys = 440

Girls = 360

Explanation:

Given that, in a school,

Total number of students = 800

Also,

Percent of boys = 55%

Therefore, number of boys = 55% of 800

No. of boys = 55/100 x 800

No. of boys = 55 x 8 =

No. of boys = 440

Therefore, we will get,

No. of girls = (800-440)

No. of girls = 360

Therefore, we will get,

Ratio of boys to girls = 440/360

Ratio = (40*11)/(40x9)

Ratio = 11/9

Hence, the ratio of boys to girls is 11:9 and number of boys and girls is 440 and 360 respectively.

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The question is in the picture. it’s math.
klemol [59]

Answer:

Step-by-step explanation:

<em>1).</em> (8x - 49)° = (5x + 23)°

8x - 49 = 5x + 23

3x = 72

<em>x = 24</em>

<em>2).</em> m∠VST + m∠SVU = 180°

(5(24) + 23)° + m∠SVU = 180°

m∠SVU = 180° - 143°

m∠SVU = 37°

<em>m∠SVT =</em> 37° - 20° = <em>17°</em>

5 0
3 years ago
When factored completely, x3 − 13x2 − 30x is
madam [21]

Answer:

x (x - 15) ( x + 2)

Step-by-step explanation:

Start by factoring out x. Use a modified version of the distributive property.

x(x^2 - 13x - 30)

The second factor breaks down further into two facts in some form. The factors are 15 and 2

x(x   15)(x   2) One of them is positive and one negative. The larger number numerically (15) must be minus, because the 13 is minus.

x (x - 15) ( x + 2) is your complete answer.

6 0
3 years ago
Find the price per bottler of water if 12 bottles of water cost $4.49
sweet-ann [11.9K]
About $0.37 because you divide $4.49 by 12
5 0
3 years ago
lou’s shoes is having an annual flag day sale and is offering a 25% discount on all regular priced shoes. kayla spent $13.50 by
hram777 [196]
$3.38 I think I'm not too sure...
8 0
3 years ago
I need an answer please help.​
seraphim [82]
You would cross multiply the numbers to get 8x=15.

Then you would take away the 8 from both sides so you would divide it.

You are now left with x=1 7/8

Therefore that is your answer.
3 0
4 years ago
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