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Dovator [93]
2 years ago
11

For the last 4.5 hours, the temperature has decreased at a rate of 2.8 degrees per hour. Which best represents the overall chang

e in temperature over this time period?
Mathematics
2 answers:
Elden [556K]2 years ago
8 0

Just divide 4.5 by 2.8 and you'll get the rate of decreasing degree per hour.

Black_prince [1.1K]2 years ago
8 0

Your answer should be A. Hope it helps.

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What is the length of segment XY?
Brilliant_brown [7]

Answer:

StartRoot 53 EndRoot units

XY = √53

Step-by-step explanation:

Choose which is point 1 and point 2 so you don't confuse the coordinates.

Point 1 (–4, 0)    x₁ = –4   y₁ = 0

Point 2 (3, 2)      x₂ = 3    y₂ = 2

Use the formula for the distance between two points.

L = \sqrt{(x_{2}-x_{1})^{2} + (y_{2}-y_{1})^{2}}

XY = \sqrt{(3-(-4))^{2} + (2-0)^{2}}

XY = \sqrt{49 + 4}

XY = \sqrt{53}

Therefore the line of segment XY is √53.

6 0
3 years ago
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Lisa is playing a video game in which she takes care of cats and dogs. She takes care of 4 cats for every 1 dog. If Lisa takes c
Vlada [557]
Answer:15 animals altogether
Explaination: But because it is
8 0
3 years ago
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A scuba diver descends in the water at a rate of 20 1/2 feet per minute for 2.8 minutes. He immediately changes course when he s
N76 [4]

Answer:

  • 7.4 feet below sea level

Step-by-step explanation:

Assumed the starting point is the sea level 0.

<u>After 2.8 min the diver is at position:</u>

  • 20 1/2 * 2.8 =
  • 20.5 * 2.8 =
  • 57.4 feet below sea level

<u>The position change after next 2 minutes:</u>

  • 25*2 = 50 feet

<u>The position of the diver after 4.8 min:</u>

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3 0
2 years ago
A washer and dryer cost $869 combined. The washer cost $81 less than the dryer. What is the cost of the dryer?
marysya [2.9K]
W+d=869
w=d-81
plug in
(d-81)+d=869
2d-81=869
+81 both sides
2d=950
÷2 both sides
d=475
dryer cost $475

let's check w=475-81
w=394
475+394=869
869=869
the solution is true :)


7 0
3 years ago
Read 2 more answers
A liter of Burgundy wine in France is the approximate equivalent of buying how much wine in the United
olga nikolaevna [1]
B. Liter is about 33 oz and quart is 32oz
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2 years ago
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