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zalisa [80]
3 years ago
11

The line Graphed on the grid represents the first of two equations in a system of linear equations.

Mathematics
1 answer:
RideAnS [48]3 years ago
7 0

Answer:

It’s A

Step-by-step explanation:

I think

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Someone please answer this, I would really be appreciative.
Iteru [2.4K]

Answer:

y-30 = 3(x-1)

Step-by-step explanation:

Point-slope form of an equation is

y-y1 = m(x-x1)  where (x1,y1 ) is a point and m is the slope

We know on day 1 they exercised 30 minutes (1,30) where x is the number of days and y is the minutes.  The rate increased 3 minutes each day so m = 3

y-30 = 3(x-1)

3 0
2 years ago
Xby the power of 5 times y to the power of 6 over 2 by the power of -2 times xby the power of 0times x by the power of 9
mars1129 [50]

Answer:

We have the sentence:

"X by the power of 5 times y to the power of 6 over 2 by the power of -2 times x by the power of 0times x by the power of 9"

Let's break it into parts.

"X by the power of 5 times y to the power of 6..."

This can be written as:

x^5*y^6

"...  2 by the power of -2 times x by the power of 0times x by the power of 9"

This can be written as:

2^(-2)*x^(0)*x^(9)

And we have the quotient between the first thing and the second thing, then the equation is:

\frac{x^5*y^6}{2^{-2}*x^0*x^9}

And any number by the power of 0 is equal to 1, then:

x^0 = 1, then we can rewrite the equation as:

\frac{x^5*y^6}{2^{-2}*x^9}

We can keep simplifying this.

We know that:

a^(-n) = (1/a)^(n)

Then:

2^(-2) = (1/2)^2 = 1/4

Then we get:

\frac{x^5*y^6}{2^{-2}*x^9} = \frac{x^5*y^6}{x^9}*4

And we also know that:

a^n/a^m = a^(n - m)

Then:

\frac{x^5*y^6}{x^9}*4 = 4*y^6*\frac{x^5}{x^9} = 4*y^6*x^{5 - 9} = 4*y^6*x^{-4} = \frac{4*y^6}{x^4}

And we can't simplify this anymore.

8 0
3 years ago
Z-score is a transformed raw score that is forced to fit a scale where the mean is 0 and the standard deviation is 1. z-scores a
Monica [59]
 how u dont know this stuff shhhhh on yo ahh boi
4 0
3 years ago
While driving your rental car on your vacation in Europe, you find that you are getting 12.7 km/L of gasoline. What does this va
4vir4ik [10]
Steps: for an approximate result, multiply the fuel economy value by 2.352
12.7*2.352=29.87

Answer: 29.87 Miles per Gallon
7 0
2 years ago
Use the discriminant to determine the number and type of solutions the equation has. x2 + 8x + 10 = 0 A. no real solutions B. on
olga nikolaevna [1]
I THINK IS C.
IT HAS TWO RATIONAL SOLUTION
6 0
3 years ago
Read 2 more answers
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