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Colt1911 [192]
3 years ago
11

The contents of a cell in a spreadsheet are shown below. 4.7893541EE-6 What number does the contents of the cell represent?

Mathematics
1 answer:
matrenka [14]3 years ago
6 0

Answer:

D

Step-by-step explanation:

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A satellite camera takes a rectangular-shaped picture. The smallest region that can be photographed is a 4-km by 4-km rectangle.
Lesechka [4]
So we know that the formula for the area of a rectangle is A = lw.
Now both the length and width of the rectangle increase at 3 km/s, therefore, A(t) = (3t+l)*(3t+w). Since the initial length = initial width = 4 km, then the initial area = 16 [tex]km^2. We want to know the time when the area is four times its original area, therefore, our new formula is: 4A(t) = (3t+l)*(3t+w). Plugging in our known values we have:

64 [km^2] = (3t + 4 [km])*(3t + 4 [km])
t =  \frac{4}{3} s

The area is four times its original area after <span>\frac{4}{3} s[/tex]</span>.
6 0
3 years ago
Abe is buying wrapping paper. He is shopping for the best deal. Drag the rolls of wrapping paper in order from the least to the
Crazy boy [7]

Answer:

JRJGJGJGGGGGGGGGGGGGGGGGGGGGGGGGGGGGGGGG

Step-by-step explanation:

6 0
3 years ago
A producer of electronic book readers is performing a quality check to ensure the reader's backlight is working correctly. The p
Lana71 [14]

Answer: 25

Step-by-step explanation:

From the question, we are told that a producer of electronic book readers is performing a quality check to make sure that the reader's backlight is working correctly. Then, the plant manager tests 2,000 readers on Monday and finds that 8 have defective backlights. The fraction 1/x is the experimental probability of a book reader having a defective backlight. What is the value of x?

Number of tested readers= 2000

Defective backlight = 8

Probability of having a defective backlight will be the number of defective backlight divided by the number of readers tested. This will be:

= 8/200

We reduce the nice fraction to its lowest term.

8/200 = 1/25

Therefore x will be 25

8 0
3 years ago
How many moles of H2 would be required to produce 9.0 grams of water? 10<br> 2 H2 + O2 + 2 H20
alekssr [168]

Answer:

8.1 moles

Step-by-step explanation:

Given parameters: Mass of water to be decomposed = 29.2g Unknown: Number of moles of oxygen. Solution: To solve this problem, we first write the balanced reaction equation :                 2H₂O    →     2H₂    +    O₂ Now convert the given mass of the water to number of moles;   Number of moles of water =      Molar mass of water = 2(1) + 16 = 18g/mol   Number of moles of water =   = 16.2moles     From the balanced reaction equation:     2 moles of water produced 1 mole of oxygen gas;     16.2 mole of water will produce     = 8.1moles of oxygen gas

Hope this helps you :3

6 0
3 years ago
In 3 years, a gym's membership went up from 5,600 to 6,450. Which expression shows
alexdok [17]

Answer:15% increase

Subtract the two numbers which equals 850 then divide by 5600

Please correct me if I am wrong, I am a little rusty.

8 0
3 years ago
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