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serious [3.7K]
3 years ago
6

Passing through (-4,6) and perpendicular to the line whose equation is y= -0.25x +5

Mathematics
1 answer:
Len [333]3 years ago
3 0

Answer:

y = -1/(-0.25) * (x + 4) + 6

y = 4 * (x + 4) + 6

y = 4 * x + 22

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The angle at which the light ray hits the water is equal to the angle at which light ray is reflected from the water?
Solnce55 [7]

Answer:

yes

Step-by-step explanation:

Water reflectant areas or located more to the top of the water!

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4 years ago
A bus company took a tour bus on a ferry. The ferry charges $130 for the bus plus an additional $2 per person on the bus. Write
pashok25 [27]
Answer: $2 variable per person, 120 base fee Step-by -step explanation : the delta are 20 persons and \$40 therefore variable cost are $2 per person base fee: 180-30*2=120

Hope this helps
7 0
2 years ago
Which number line and expression show how to find the distance from 4 to 1
Annette [7]

Answer:

C.

Step-by-step explanation:

The distance between two numbers on the number line is the absolute value of the difference of the numbers.

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|4 - 1|

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3 0
4 years ago
Read 2 more answers
What is 78621087 in expanded notation
Liula [17]
The answer would be:

70,000,000+8,000,000+600,000+20,000+1,000+80+7.

Pretty sure that's the answer...
3 0
3 years ago
Please explain how to solve this problem
zhuklara [117]

9514 1404 393

Answer:

  • 100 pounds Earl Grey
  • 300 pounds Orange Pekoe

Step-by-step explanation:

Let x represent the number of pounds of Earl Gray tea in the mix. Then the total cost of the mix is ...

  6x +4(400-x)=4.50(400)

  2x +1600 = 1800 . . . . . . . simplify

  2x = 200 . . . . . . . . . . . subtract 1600

  x = 100 . . . . . . . . . . . divide by 2. Pounds of Earl Grey

  (400 -x) = 300 . . . . . Pounds of Orange Pekoe

The blend should have 100 pounds of Earl Grey and 300 pounds of Orange Pekoe.

_____

<em>Additional comment</em>

It is easy to show that the relationship between the quantities of high-cost (H) and low-cost (L) items in the mix (M) is ...

  fraction of mix that is H is (M -L)/(H -L)

Here, we have H=6, L=4, M=4.5, so the fraction of the mix that is Earl Grey is ...

  (4.5 -4)/(6 -4) = 0.5/2 = 0.25

There are 400 pounds of mix, so 0.25(400) = 100 pounds is Earl Grey.

The solution above is essentially 2-step, so using this relation doesn't necessarily save any steps. It just makes it possible to solve the problem in your head.

7 0
3 years ago
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