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Dovator [93]
3 years ago
7

Slope and the y-intercept for y=9x-9

Mathematics
1 answer:
bija089 [108]3 years ago
6 0
Slope is 9 or 9/1 and the y-intercept is -9 or (0,-9)
You might be interested in
Abby works in the sales department. This month the company is offering a 3-week paid vacation to every employee who sells 230% o
Doss [256]
Multiply 48,000 by 2.3 to get 110,400
She needs to sell $110,400 products next month
8 0
3 years ago
Solve 2x^2+x-4=0<br> X^2+_×+_=0
natima [27]

Answer:

Hopes it helps

Step-by-step explanation:

The Quadratic Polynomial is

2 x² +x -4=0

Using the Determinant method to find the roots of this equation

For, the Quadratic equation , ax²+ b x+c=0

(b) x²+x=0

x × (x+1)=0

x=0  ∧ x+1=0

x=0     ∧   x= -1

You can look the problem in other way

the two Quadratic polynomials are

2 x²+x-4=0, ∧ x²+x=0

x²= -x

So, 2 x²+x-4=0,

→ -2 x+x-4=0

→ -x -4=0

→x= -4

∨

x² +x² +x-4=0

x²+0-4=0→→x²+x=0

→x²=4

x=√4

x=2 ∧ x=-2

As, you will put these values into the equation, you will find that these values does not satisfy both the equations.

So, there is no solution.

You can solve these two equation graphically also.

3 0
2 years ago
How many whole numbers are there with not more than 4 digits?
Flauer [41]
I think its 1000 numbers because there from 1 to 999 there are 999 numbers, and then you add zero because it is also a whole number. 
7 0
2 years ago
Read 2 more answers
4) If a = 28 and b = 4, then a/b = ______
exis [7]

Answer:

7

Step-by-step explanation:

You divided both 28 and 4 and you will get 7 as your answer.

7 0
3 years ago
Ten experts rated a newly developed chocolate chip cookie on a scale of 1 to 50. Their ratings were:
Sunny_sXe [5.5K]

Answer:

Option B.

Step-by-step explanation:

The given data set is

34, 35, 41, 28, 26, 29, 32, 36, 38, 40

We need to find the mean deviation of the given data.

Number of observations, n = 10

Mean of the data is

Mean=\dfrac{\sum x}{n}

Mean=\dfrac{34+35+41+28+26+29+32+36+38+40}{10}

Mean=\dfrac{339}{10}

Mean=33.9

Formula for mean deviation is

\text{Mean deviation}=\dfrac{\sum |x-mean|}{n}

\sum |x-mean|=|34-33.9|+|35-33.9|+|41-33.9|+|28-33.9|+|26-33.9|+|29-33.9|+ |32-33.9|+|36-33.9|+|38-33.9|+|40-33.9|=41.2

\text{Mean deviation}=\dfrac{41.2}{10}

\text{Mean deviation}=4.12

The mean deviation of the ratings is 4.12.

Therefore, the correct option is B.

8 0
3 years ago
Read 2 more answers
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