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mamaluj [8]
2 years ago
9

Explain whether 20/16 is an equivalent ratio to 60/48

Mathematics
1 answer:
Kamila [148]2 years ago
6 0
So since 20x3=60 all we have to do is multiply 16 by 3 to find out if it comes out to 48, which in this case it does, so the two ratios are equivalent.
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Suppose a city with population 800,000 has been growing at a rate of 5% per year. If this rate continues, find the population of
AleksandrR [38]

Answer:

2,340,208.5 or 2,340,209

Step-by-step explanation:

You could answer this by multiplying the current population of 800,000 by 1.05 (1.05 represents the annual growth rate of population) and do that 22 times.  But that would take a while.

we got 1.05 because the formula says that y = a( 1 + r ) power t

for a we will give it 1

so y = 1 ( 1 + 0.05) power t

it will give us 1.05

to do this faster, you would first calculate (1.05)22and then multiply this by 800,000.

So, 800,000 x (1.05)22 = 2,340,208.5 or 2,340,209

5 0
1 year ago
If x² + x² + x² = 6, what is x?
max2010maxim [7]

Answer:

Square root of 2

Step-by-step explanation:

3x²=6

Divide each side by 3: 3x² ÷ 3=6÷3

X²=2

Then square root each side

So answer is square root of 2

8 0
3 years ago
Read 2 more answers
Gitta is asked to find the probability of getting all heads on 3 coin tosses. This is a compound event.
DedPeter [7]
1. P(getting all head)=\frac{n(getting-all-head)}{n(Sample-space)}

2. Event: getting all head can happen in only one way: HHH

3. n(Sample space) can be calculated by 

     a. counting, a good ways to organize counting is drawing a tree diagram, CHECK THE PICTURE

or     
     b. There are 2 possible outcomes each time we throw the dice so 2*2*2=8 is the total number of outcomes, that is the number of the sample space.

4. So finally P(getting all head)=\frac{1}{8}
   

3 0
3 years ago
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I need the answers for number 9 and 10
Sladkaya [172]
Number 9 is yes, they are congruent.

number 10 is no, they are not congruent because x=3, so segment xy=3(3)+5 which is 14 and segment yz=9(3)/2 which is 13.5
8 0
2 years ago
Write 11÷20 as a decimal
Rudik [331]
The answer is .55 I don't really know how to explain it but I hope this helps.
6 0
3 years ago
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