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Verizon [17]
3 years ago
5

4.5 is 8.2 what is the sum

Mathematics
1 answer:
antiseptic1488 [7]3 years ago
4 0

Answer:

12.7

Step-by-step explanation:

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What is the slope of the line defined by the parametric equations x=-2+4t and y=1+4t ?
LekaFEV [45]

Answer:

The value of slope m = -1

Step-by-step explanation:

x = -2 + 4t

and y = 1 + 4t

Solving the both equations

x +2 = 4t

=> t = (x+2)/4     eq(1)

y-1 = 4t

=> t = (y-1)/4      eq(2)

Putting eq(1) = eq(2) as left hand side of both equations are same

(x+2)/4 = (y-1)/4

Cross multiplying

4(x+2) = 4(y-1)

4x + 8 = 4y -4

4x +4y = -4 -8

4x + 4y = -12

4(x+y) = -12

x+y = -12/4

x+y = -3

y = -x -3

The slope intercept form of line is:

y = mx + b

where m is the slope. Comparing with y = -x-3

The value of slope m = -1

8 0
4 years ago
Given the graph of the inverse function below, which of the following is the graph of the original function?
Vikentia [17]

Answer:

A

Step-by-step explanation:


7 0
3 years ago
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How do you add on 10% of £1,200how do you add on 10% of £1,200
mars1129 [50]
First find 10%
(1200 divided by 10)
10% = £120
Then add it onto the original amount
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3 0
3 years ago
A person is watching a boat from the top of a lighthouse. The boat is approaching the lighthouse directly. When first noticed, t
matrenka [14]

Answer:

509.35 feet

Step-by-step explanation:

16°23' means 16 degrees and 23 minutes.  A minute is 1/60 of a degree.

16°23' = 16 + (23/60) = 16.383°

Similarly:

49°29' = 49 + (29/60) = 49.483°

When the boat is first noticed:

tan(16.383°) = 200 / a

a = 200 / tan(16.383°)

a = 680.27

When the boat stops:

tan(49.483°) = 200 / b

b = 200 / tan(49.483°)

b = 170.92

So the difference is:

a − b = 680.27 − 170.92 = 509.35

The boat traveled 509.35 feet from the time it was first noticed to the time it stopped.

3 0
3 years ago
4 red marbles, 6 blue marbles, and 9 yellow marbles. what is the ratio of red marbles to blue marbles
Anna35 [415]

Answer:

4:6

Step-by-step explanation:


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4 years ago
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