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Rom4ik [11]
4 years ago
8

What is the value of y2 - x2 when y = 6 and x = 5

Mathematics
2 answers:
galina1969 [7]4 years ago
8 0

Y2 would equal 6•2 which is 12 and x2 would = 5•2 which is 10. Then you subtract them so the final equation would be 12-10=2

ANEK [815]4 years ago
5 0

Answer:

Step-by-step explanation:

y2 means your multiplying what y is by 2: 6*2=12

same with x: 5*2=10

12-10=2

I believe this is correct, but don't quote me on this.

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Describing part to part realationship
Leokris [45]

Answer:

If you mean a part to part ratio, this basically describes a ratio or relationship that compares two different groups.

Step-by-step explanation:

If you mean a part to part ratio, this basically describes a ratio or relationship that compares two different groups.

An example would be if I compared the number of dogs to cats in a house. If there were 10 dogs and 3 cats, I would write 10:3.

Hope this helped! God bless and stay safe :)

5 0
3 years ago
Each week Peggy drives two routes, route X and route Y. One week she drives route X three times and route Y twice. she drives a
navik [9.2K]
Ok, great to have you! I will finally answer your question.
This seems to be a system of equations. I solve most of mine on Desmos.
Let us write two equations to model this:
3x+2y=144
2x+5y =217
We get the graph. Note the intersection at (26,33).
That means that route X is 26 miles long,and route Y is 33 miles long!.
Hope this helps.

4 0
3 years ago
Michael has been saving his money and wants to invest it. After doing some research, he has decided to invest $20,000 into a Cer
LekaFEV [45]

Answer:

Interest earned= $200

Step-by-step explanation:

Giving the following information:

Initial investment= $20,000

Interest rate= 3%

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First, we need to calculate the real interest rate. <u>The inflation rate decreases the value of money through time. We need to deduct from the interest rate, the inflation rate.</u>

Real interest rate= 0.03 - 0.02= 0.01

<u>Now, we can calculate the interest earned in year 1:</u>

Interest earned= PV*(1+i)^n - PV

Interest earned= 20,000*(1.01^1) - 20,000

Interest earned= $200

4 0
3 years ago
Read 2 more answers
What is the inverse of y=cos(x-pi/2)​?
alekssr [168]

Answer:

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Step-by-step explanation:

y=cos(x-pi/2)

For inverse, interchange the variables and solve for y

f − 1 ( x ) = arccos  ( x ) +  π/ 2

6 0
3 years ago
Out of a group of 250 pupils, 10 pupils could not join the school's excursion due to illness.
Arada [10]

Answer:

out of 250 wala nagka crush sayo hshshs

charot lng

8 0
3 years ago
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