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bezimeni [28]
3 years ago
6

Need answer fast please. Which line is perpendicular to y = x + 2 and passes through (4,-1)?

Mathematics
1 answer:
Paraphin [41]3 years ago
4 0

Answer:

C. y = -x + 3

Step-by-step explanation:

y = x + 2

Find perpendicular slope (opposite reciprocal):

x/1 --> -1/x or -x

Convert to point-slope form:

y - (-1) = -1 (x - 4)

y + 1 = -1x + 4

y = -x + 3

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A rectangle has coordinates (2, 6) (9, 6) (9, 10) and (2, 10) on a grid with 1 cm squares. What is the area of the shaded rectan
Valentin [98]

Answer:

Area of Rectangle = 28 cm²

Step-by-step explanation:

Given - A rectangle has coordinates (2, 6) (9, 6) (9, 10) and (2, 10) on a grid with 1 cm squares.

To find - What is the area of the shaded rectangle?

Solution -

The graph of the rectangle is as follows :

From the diagram, e can see that

Length of Rectangle = 7 units (cm)

Breadth of Rectangle = 4 units (cm)

We know that,

Area of Rectangle = Length × Breadth

                              = 7 × 4

                              = 28 cm²

⇒Area of Rectangle = 28 cm²

7 0
2 years ago
If (1, 2) and (3, 4) lie on the same line, give the slope-intercept equation of the line.
Masja [62]
The slope of the line is  (4-2) / (3-1) = 2/2 = 1 
y - y1 = x - x1 
here x1 = 1 and y1 = 2 :-
y - 2 = x - 1
y = x + 1 <---- Answer
3 0
3 years ago
A scale drawing of a conference room has a length of 5 inches and a width of 0.5 inches. if the scale is 0.5 inches = 8 feet wha
evablogger [386]

Answer:

50feet

Step-by-step explanation:

0.5=5feet

5

5f×5/0.5=50 Feet

4 0
3 years ago
The standard form of five and fiffty hundredths is
mash [69]

Answer:

You could do 5 x 1 = 5

And for fifty, 5 x 10 = 50

Step-by-step explanation:

Standard form is basically a big or small equation of the numbers

standard form is the usual way of writing numbers in decimal notation, i.e. standard form = 876, expanded form = 800 + 70 + 6, written form = eight hundred seventy six

Hope it helped :)

6 0
3 years ago
840 students attend Northfield middle school. 65%of students earned a perfect attendance award. How many students didn't earn th
DochEvi [55]

Answer:

546

Step-by-step explanation:

840 x 0.65 = answer .. in this case 546

6 0
3 years ago
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