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Ainat [17]
2 years ago
11

At noon, the temperature was 77 degrees, but by midnight, it had dropped to 52 degrees. What percent change is that?

Mathematics
1 answer:
Andreyy892 years ago
8 0

The percentage change in temperature is approximately: -32.5%.

<h3>What is Percentage Change?</h3>

Percentage change = (final value - initial value)/initial value × 100.

Given the following:

  • Initial temperature = 77 degrees
  • Final temperature = 52 degrees

Percentage change = (52 - 77)/77 × 100

Percentage change ≈ -32.5%.

Learn more about percentage change on:

brainly.com/question/809966

#SPJ1

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5 0
1 year ago
Determine the correct scientific notation form of the number. 327,000,000,000
I am Lyosha [343]

Answer:

B. 3.27 x 10^11.

Step-by-step explanation:

There are 11 digits after the first one, so it is

3.27 x 10^11.

5 0
2 years ago
Taylor has 16 tacks. she buys 2 packages of 36 tacks. how many gate sale posters can she put up if she uses 4 tacks for each pos
Gemiola [76]


She can Hang up 4 posters. Because Taylor only has 16 tacks.

16/4=4

4 0
3 years ago
Find the value of x and the length of both chords if BW=2x+10, WD=4, CW=7x+5, and WE=2.
daser333 [38]

Answer:

The value of x is 5

The lengths of the chords are 24 units and 42 units

Step-by-step explanation:

In a circle if two chords intersected at a point inside it there are four segments created, two in each cord, the products of the lengths of the line segments on each chord are equal

∵ BD and CE are two chords in a circle intersected at W

∴ The two segments of chord BD are BW and WD

∴ The two segments of chord CE are CW and WE

- By using the rule above

∴ BW × WD = CW × WE

∵ BW = 2x + 10 and WD = 4

∵ CW = 7x + 5 and WE = 2

- Substitute them in the rule above

∴ (2x + 10) × 4 = (7x + 5) × 2

∴ 4(2x) + 4(10) = 2(7x) + 2(5)

∴ 8x + 40 = 14x + 10

- Subtract 14x from both sides

∴ - 6x + 40 = 10

- Subtract 40 from both sides

∴ - 6x = - 30

- Divide both sides by - 6

∴ x = 5

∵ Chord BD = 2x + 10 + 4

∴ Chord BD = 2x + 14

- Substitute the value of x to find its length

∴ Chord BD = 2(5) + 14 = 10 + 14

∴ Chord BD = 24 units

∵ Chord CE = 7x + 5 + 2

∴ Chord CE = 7x + 7

- Substitute the value of x to find its length

∴ Chord CE = 7(5) + 7 = 35 + 7

∴ Chord CE = 42 units

5 0
2 years ago
What is the value of log 16?
Crank

Answer:

1.204119982655924780854955578898‬

Step-by-step explanation:

7 0
3 years ago
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