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Maurinko [17]
3 years ago
8

Y=4x^2-1 find the inverse. I cant it’s to difficult.

Mathematics
1 answer:
choli [55]3 years ago
8 0
The answer is x equals the square root of y+1/4

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The length of a table is 2 meters 50 centimeters. What is the length of the table in millimeters?
sweet [91]

Answer:

A

Step-by-step explanation:

2 meters=2000millimeters

50 centimeters=500 millimeters

8 0
3 years ago
4x^2+5y^2=41<br> 3x^2-4y^2=23
dybincka [34]

Answer:

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Step-by-step explanation:

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5 0
3 years ago
In an arithmetic sequence, = 5 and = 11.
Free_Kalibri [48]

Answer:

1134.62 (THE SUM OF 20 TERMS)

Step-by-step explanation:

First we write out our given information:

a8=2a2

a11=18

an is an arithmetic sequence.

Where here an means the nth term of our sequence.

What does an arithmetic sequence mean? It means to get to the next term in your sequence you add a constant (c) each time:

an+1=an+c

Equivalently:

an+1−an(n+1)−n=c

So an is of slope c (c2 is another constant):

an=cn+c2

Where here c2=a0 (Substitute in n=0 and see why that has to be the case if we let a0 exist)

Now we use the other given information to try to come up with a solution.

Let n=2:

a2=2c+c2

Let n=8, using the above equation we have:

a8=8c+c2=2a2=4c+2c2

Let n=11

a11=18

a11=11c+c2

But a11−a8=(11c+c2)−(8c+c2)=3c

Hence, a11=3c+a8

a11=3c+4c+2c2=18

a11=3c+8c+c2=18

5 0
2 years ago
I need help I don't know how to do this
AveGali [126]

Answer:

Step-by-step explanation:

4 0
3 years ago
Which class is better, math or science (in your opinion)
Artist 52 [7]

Answer:

Science is more interesting for me than math and fun!

Step-by-step explanation:

7 0
3 years ago
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