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zloy xaker [14]
4 years ago
6

What is the measure of R​

Mathematics
1 answer:
artcher [175]4 years ago
4 0
I believe believe 57
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consider the line y=-5/2×+9 What is the slope of a line parallel to this line? What is the slope of line perpendicular to this l
MatroZZZ [7]
Answer:

Slope of the parallel line = -5/2

Slope of the perpendicular line = 2/5

Explanations:

The given equation of the line is:

y\text{ = }\frac{-5}{2}x\text{ + 9}

The slope-intercept form of the equation of a line is:

y = mx + c

where m is the slope of the line

and c is the y-intercept

Comparing this to the given equation

m = -5/2

c = 9

Note:

When two equations are parallel, they have equal slope

When two equations are perpendicular, the product of their slopes equals -1, that is slope of the perpendicular line = -1/m

The slope of the parallel line = -5/2

The slope of the perpendicular line = -1 ÷ (-5/2)

The slope of the perpendicular line = -1 x (-2/5)

The slope of the perpendicular line = 2 / 5

3 0
2 years ago
A medical equipment industry manufactures X-ray machines. The unit cost C (the cost in dollars to make each X-ray machine) depen
Vikentia [17]

Answer:

x = 250 units

Step-by-step explanation:

We can easily solve this problem by using a graphing calculator or any plotting tool.

We must find the minimum point in the graph. This corresponds to the number of machines that produce the minimum cost.

The equation is

C (x) = 1.2x^2 -600x + 89,966

Please see attached image below

By producing x = 250 units, we obtain the minimum cost

5 0
3 years ago
Suppose a card is drawn at random from a standard deck. The card is then shuffled back into the deck. Then for a second time a c
Oduvanchick [21]

Answer:

Probability = 0.0288

Step-by-step explanation:

For the first draw.

There are total of 52 cards in a deck of cards and a total of 26 red cards in a deck of cards.

Probability of drawing a red= 26/52

Probability = 0.5

For the second draw. Actually the initial card drawn was replaced. Total number of face cards are 12.

Probability of drawing a face card = 12/52= 0.23076923

For the third draw .

There are 13 diamond cards in total.

Probability of a diamond = 13/52

Probability = 0.25

Probability of red,face, diamond= 0.5*0.23076923*0.25=0.028846

To four decimal place = 0.0288

6 0
3 years ago
Linda had breakfast in a café. It cost $12.40. She paid with a $20 bill.
Westkost [7]
Around 8$ back. The exact amount would be 7.60$
7 0
3 years ago
Read 2 more answers
Math question in the attached text
arsen [322]

Answer:

A 1.44 cm cubed

Step-by-step explanation:

Just multiply all the numbers to get the area of the block

7 0
3 years ago
Read 2 more answers
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