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azamat
2 years ago
11

2) Triangle ABC is an isosceles triangle with

Mathematics
1 answer:
bulgar [2K]2 years ago
3 0

Answer:

that makes no sense.

Step-by-step explanation:

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There are 3 times as many males as females on the maths course at university. What fraction of the course are male?
exis [7]

(1)

If there are three times as many males as females, the ratio of males to females would be 3:1.

To make this more clearer. Suppose you have 100 students. for each 4 students, 3 of them are male and 1 is a female.

We can then say there are 75 males and 25 females.

Expressing this as a ratio(fraction) is easy 3 out of 4 are males and 1 out of 4 are females. So the ratio of males would be;

r(m) =  \frac{3}{4}

(2)

Let x be the number of cola bottles

Let y be the number of smarties

Let z be the number of marshmallows

x=3y (since there are 3 times more x than y)

y=2z (since there are 2 times more y than z)

we know that marshmallows are twice as less as smarties. so for 1 marshmallow you'd have 2 smarties. But we also know that cola bottles should be 2×3=6 since we have 3 times more cola bottles than smarties.

Adding up our total sweets we get;

1+2+6=9

But how many of those are cola bottles? 6!

So the ratio of cola bottles can be expressed as,

r(c) =  \frac{6}{9}  =  \frac{2}{3}

You can simplify the numerator and denominator by 3 to get 2 over 3.

5 0
2 years ago
9(x + 8) + 11(3x + 4)
Sav [38]
Simplify the expression : 42x + 116

Hope this helps!
Have a great day!

5 0
3 years ago
How do you solve -3+r/3=-5
MAVERICK [17]

Answer:

r=-6

Step-by-step explanation:

Question: -3+r/3=-5

1) Multiply both sides of the equation by 3:

-9+r=-15

2) Add 9 to both sides:

r=-6

Footnotes:

1) In step 1 when I multiplied both sides of the equation by 3, don't forget you also have to multiply -3 by 3 because it is not part of the fraction (which is how I got -9)

7 0
3 years ago
Suppose you use an app that randomly generates a number from 1 to 15.
Neporo4naja [7]

Answer:

4 out of 15

Step-by-step explanation:

6 0
3 years ago
In an exponential function like the one shown below, what does the a term and the b term
Ivenika [448]
The duma a term is the x interest
5 0
3 years ago
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