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LenKa [72]
3 years ago
13

In Ms. Henrick's class, there are 10 boys and 12 girls. What is the ratio of boys to girls? Express your answer as a fraction in

simplest form.
Mathematics
2 answers:
Zinaida [17]3 years ago
7 0
<h3>Answer:   5/6</h3>

Work Shown:

x = number of boys

y = number of girls

In this case,

x = 10

y = 12

So we have the fraction x/y = 10/12

From here, we divide each part by the GCF 2

10/2 = 5

12/2 = 6

Therefore, the fraction 10/12 reduces to 5/6

vodomira [7]3 years ago
5 0

Answer:

the ratio is 10:12 and if you were to write it in a fraction you get 10/12 which can be simplified as 5/6

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The base of a triangle exceeds the height by 9 centimeters. If the area is 56 square centimeters, find the length of the base an
shepuryov [24]

Answer:

The height of the triangle is 7cm and the base is 16cm

Step-by-step explanation:

First of all we have to know the formula to calculate area of ​​a triangle

a = area = 56

b = base

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a = (b * h)/2

we replace the known values and we make 2 equations

56cm² = (b * h)/2

b = h + 9cm

we replace b by (h + 9cm) in the first equation

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we use bhaskara formula:

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we replace with the known values

h = (-9 (±) √ (9² - 4*1*(-112) ) ) / 2*1

h = (-9 (±) √ (81 + 448) ) ) / 2

h = (-9 (±) √529) /2

h = (-9 (±) 23)/2

h1 = (-9 + 23) / 2

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h2 = (-9 - 23) / 2

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8 0
3 years ago
12r2s + 21rs2 – 3rs=
Nitella [24]
Answer:
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explanation:
collect like terms
12*2=24rs
21*2=42rs
then add 24+42=66rs
then subtract 3rs
then just add rs
6 0
3 years ago
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