3 years ago

can anyone explain to me what ratios and rates are with examples? I really need help i have a retake.

Mathematics

1 answer:

uysha [10]3 years ago

8 0

Answer:

Explanation on ratio and rates.

Step-by-step explanation:

So rates are when you compare two things. For example let's say there are 12 boys and 10 girls. The ratio would be 12:10 or 6:5. Rates is also comparing two things but in fraction format. For example if you drive 30 miles in 3 hours the rate would be 30/3. 10 miles per hour is a unit rate since it is 1 hour, 10/1. I hope this helps you, have a good day.

You might be interested in

Does 5 go into 100 equally

andreev551 [17]

Yes, 5 goes into 100 exactly 20 times because 5 multiplied by 20 is 100

6 0

3 years ago

What is the value of x?<br><br> I NEED AN ANSWER ASAP!!

Pachacha [2.7K]

Answer:

x = 8

Step-by-step explanation:

Equilateral triangle : congruent angles

3(7x+4) = 180

21x + 12 = 180

21x = 180-12

x = 168/21

x = 8

6 0

3 years ago

Need help with Writeing the quadratic function with at two zero where x = ‒2 and x = 0.

Pachacha [2.7K]

We can create the equation like this:
(x +2) * (x +0)
x^2 + 2x + 0 = 0

8 0

3 years ago

If a+b+c=0 for a,b,c then prove a²/bc+b²/ca+c²/ab=3.

Ierofanga [76]

According to the identity if a+b+c=0
then a3+b3+c3=3abc
a3+b3+c3/abc=3
a2*a/bc*a+b2*b/ca*b+c2*c/ab*c=3
cancel a,b,c in all the fraction then you get
<span>a²/bc+b²/ca+c²/ab=3.
</span>hence proved

5 0

3 years ago

in ΔABC, ∠ABC is a right angle, AB = 3 units, and BC = 2 units. ΔABC is dilated by a scale factor of 0.5 with point B as the cen

qaws [65]

Answer:

the first one i think

Step-by-step explanation:

7 0

3 years ago