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Naddik [55]
3 years ago
5

Which point would map onto itself after a reflection across the line y= -x

Mathematics
2 answers:
disa [49]3 years ago
6 0

Answer:

a would be the best one

Step-by-step explanation:

-4-4

that on e2020

lutik1710 [3]3 years ago
5 0
I need help on that too

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Using the greatest common factor for the terms, how can you write 56 + 32 as a product?
11Alexandr11 [23.1K]
56 + 32 = (8 x 7) + (8 x 4) = 8(7 + 4) (Answer C)


6 0
3 years ago
A pretzel maker was interested in knowing the number of pretzels in each bag is sold. The results of the research are shown in t
Vladimir [108]

Answer:

23 pretzels

Step-by-step explanation:

The range value is obtained by taken the difference between the maximum and minimum values ;

The range = maximum - minimum

From the box and whisker plot attached ; the maximum value = 68

Minimum value = 45

Hence, the range in the number of pretzels :

68 - 45 = 23

4 0
2 years ago
The initial cost of an office fax machine is $100. After 1 year, its value becomes $80. Which is the correct linear depreciation
Elis [28]

Answer:

y=100-20x

Step-by-step explanation:

Let the x-axis be the time (in years) and the y-axis the value of the fax machine (in dollars).

We know that the initial value of the fax machine is $100; in other words, when the time is zero years, the value is $100, or as an ordered pair (0, 100). We also know that after 1 year the value decreases to $80, so (1, 80).

Now we can find the slope of the line passing through those two points using the slope formula

m=\frac{y_2-y_1}{x_2-x_1}

where

m is the slope

(x_1,y_1) are the coordinates of the first point

(x_2,y_2) are the coordinates of the second point

Replacing values:

m=\frac{80-100}{1-0}

m=-20

Now, to complete our model we are using the point slope formula

y-y_1=m(x-x_1)

where

m is the slope

(x_1,y_1) are the coordinates of the first point

Replacing values:

y-100=-20(x-0)

y-100=-20x

y=-20x+100

y=100-20x

We can conclude that the correct linear depreciation model is y=100-20x

7 0
2 years ago
when they said went to bed the outside temperature was 28 degrees Fahrenheit when you woke up the next morning the temperature h
Ghella [55]

Answer:

41 degrees

Step-by-step explanation:

just subtract

7 0
3 years ago
Find the slope of the line through the points (3,2) and (4,5).
igomit [66]

Answer:

<h2>The answer is 3</h2>

Step-by-step explanation:

The slope of a line given two points can be found by using the formula

m =  \frac{ y_2 - y _ 1}{x_ 2 - x_ 1}  \\

where

(x1 , y1) and (x2 , y2) are the points

From the question we have

m =  \frac{5 - 2}{4 - 3}  =  \frac{3}{1}  = 3 \\

We have the final answer as

<h3>3</h3>

Hope this helps you

5 0
3 years ago
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