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3 years ago

Please help explain y = 2x + 3

1 answer:

3 0

This is a slope equation. the 2x is your slope (rise over run) and your 3 is your y-intercept. So to graph you put positive 3 on your y axis and with your 2x you rise 2 run one. I hope i helped

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How many unique values of x solve x2 + 14x + 49 = 0?

Natalka [10]

I think x= -7 but I'm not to sure

3 0

3 years ago

If you assume that there are exactly 365 days in a year, how many seconds are there in one year? Give your answer to the nearest

Elena L [17]

Answer:

31,536,000

Step-by-step explanation:

There are 3600 seconds in an hour and 24 hours in a day, so ...

(3600 s/h)(24 h/da) = 86400 s/da

Then in 365 days, there are ...

(365 da)(86400 s/da) = 31,536,000 s

_____

No rounding is needed.

5 0

3 years ago

The sum of two polynomials is 8d5 – 3c3d2 + 5c2d3 – 4cd4 + 9. If one addend is 2d5 – c3d2 + 8cd4 + 1, what is the other addend?

Anit [1.1K]

Answer: The correct option is A.

Step-by-step explanation: We are given a polynomial which is a sum of other 2 polynomials.

We are given the resultant polynomial which is : $8d^5-3c^3d^2+5c^2d^3-4cd^4+9$

One of the polynomial which are added up is : $2d^5-c^3d^2+8cd^4+1$

Let the other polynomial be 'x'

According to the question:

$8d^5-3c^3d^2+5c^2d^3-4cd^4+9=x+(2d^5-c^3d^2+8cd^4+1)$

$x=8d^5-3c^3d^2+5c^2d^3-4cd^4+9-(2d^5-c^3d^2+8cd^4+1)$

Solving the like terms in above equation we get:

$x=(8d^5-2d^5)+(-3c^3d^2+c^3d^2)+(5c^2d^3)+(-4cd^4-8cd^4)+(9-1)$

$x=6d^5-2c^3d^2+5c^2d^3-12cd^4+8$

Hence, the correct option is A.

5 0

2 years ago

Read 2 more answers

310=-6.2f solve for f

Naddik [55]

Divide both sides by -6.2:
-50 = f

6 0

3 years ago

Which characteristics did early Japanese, Chinese, and Korean civilizations share?

ipn [44]

Answer:They were nations at war that shared a common religion.

Step-by-step explanation:

edge

4 0

2 years ago