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IgorC [24]
3 years ago
11

Pleas help I’m in a hurry

Mathematics
1 answer:
Tomtit [17]3 years ago
8 0

Answer:

y = 3x - 7

Step-by-step explanation:

The line passes points (-1, 3) and (2,2)

Slope = (2 - 3)/(2 + 1) = -1/3

Perpendicular lines, slope is opposite and reciprocals so slope of the line that is perpendicular to the given line is 3

Passing through (2, -1)

Equation

y + 1 = 3(x - 2)

y + 1 = 3x - 6

y = 3x - 7

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Cindy struck out 7, 14, 6, 4, 5, and 6 batters in softball games this season. In discussing her stats with a newspaper reporter,
Murljashka [212]

Answer:

The coach's statement is not misleading because her average strikeouts  is 7.

Where as the coach also tells that it is 7.  

Step-by-step explanation:

The average is taken out by adding the observations and dividing by the total number of observations.

X`= ∑x/n     where n is the number of observations.

Average = 7 + 14 + 6 + 4 +5 +6 /6

Average = 42/6= 7

The coach's statement is not misleading because her average strikeouts  is 7.

Where as the coach also tells that it is 7.  

8 0
3 years ago
19x+15y=-6 changed into slope intercept form.
attashe74 [19]

Answer:

y = - \frac{19}{15} x - \frac{2}{5}

Step-by-step explanation:

The equation of a line in slope- intercept form is

y = mx + c ( m is the slope and c the y- intercept )

Given

19x + 15y = - 6 ( subtract 19x from both sides )

15y = - 19x - 6 ( divide all terms by 15 )

y = - \frac{19}{15} x - \frac{6}{15}, that is

y = - \frac{19}{15} x - \frac{2}{5} ← in slope- intercept form

7 0
3 years ago
Read 2 more answers
The manager of a grocery store wants to determine the average amount of money spent at his store as it compares to the average d
dexar [7]

Given

Expenditures at Manager's Store; expenditures at Competitor's Store.

Find

a) average spent at each store

b) which store is better represented by the mean value

c) an explanation for the answer in ≥ 2 sentences

Solution

a) The sum of expenditures divided by the number of expenditures (15) is ...

... average for Manager's Store: $37.60

... average for Competitor's Store: $48.53

b) The expenditures at Manager's Store are well-represented by the mean (average).

c) The range of expenditures at Competitor's Store is significantly higher than at Manager's store, so a single number such as mean or median does not represent the data well. The expenditures at Manager's store are more compactly grouped around the mean and median, which are closer together, so the mean is a good representation of Manager's Store expenditures overall.

4 0
3 years ago
Consider the polynomial function g(x)=-10x^7-9x^5+7x^3-8x.
Mandarinka [93]

Answer:

the graph rises to the left and falls to the right.

the answer is B

Step-by-step explanation:

8 0
2 years ago
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F(x)=x^2+4x-2 what is the vertex
Eduardwww [97]

Answer:(-2,-6)

Step-by-step explanation:Put it in a graph and it should be the dot in the direct middle

6 0
3 years ago
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