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sveta [45]
3 years ago
9

The circumference of earth’s moon is about 1091500000 cm. Write this number in scientific notation

Mathematics
1 answer:
spayn [35]3 years ago
5 0

Answer:

The answer is 1.0915×10^9 cm

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Ben bought a desk for 249.99. The sales tax rate was 6.25. How much did ben pay for the desk. Round your answer to the nearest c
dexar [7]
<em>We just need to add the price of the desk and the tax rate</em>
249,99
<u>    6,25 +
</u><em>256,24 </em>← The Answer <u>
</u>
8 0
3 years ago
***SOMEONE PLZ HELP ME***
Bingel [31]
If the perimeter is 16, the side length is 4 units.

To find the area of the shaded sections, you will use the fractional part that each section represents and multiply that fraction by the total area of the square.

Area of DEA is 1/4 of 16 square Units (4 x 4).

1/4 x 16 = 4 square units

Area of EFB is 1/8 of 16 square units.

1/8 x 16 = 2 square units

4 square units +2 square units equals 6 square units.

The area of the shaded region is 6 square units.

5 0
3 years ago
The temperature has been going down at a constant rate.In 4 hours it went down 12 degrees.Which expression best shows the temper
fomenos

Answer:

<u>t = t₀ - 3n</u>

Step-by-step explanation:

Let t be the temperature and t₀ be the initial temperature of the day

Let n be the number of hours after the initial temperature ( t₀) was registered

Let -3 be the constant of change of temperature ( In 4 hours it went down 12 degrees)

Now, let's write down the expression that shows the temperature change each hour, this way:

t = t₀ - 3n

After 2 hours

t = t₀ - 3 * 2 = t₀ - 6

After 5 hours

t = t₀ - 3 * 5 = t₀ - 15

After 3 hours and 30 minutes

t = t₀ - 3 * 3.5 = t₀ - 10.5

5 0
3 years ago
Can you please help me with an equation
kompoz [17]
What’s the equation?
8 0
3 years ago
What is the reference angle for 225° and what is a reference angle?
sertanlavr [38]
<span> the angle that the Main Angle is called reference angle
</span><span>Given angle - 180
</span><span> 225° -180
</span>=45
eference angle for 225° is 45 
6 0
3 years ago
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