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lapo4ka [179]
3 years ago
14

the moon is about 240,00 miles from earth. what is this distance written as a whole number multiplied by a power of ten

Mathematics
1 answer:
Sindrei [870]3 years ago
8 0
<span>I assume you meant that the Moon is about 240,000 miles from Earth, not 240,00 as you have written :) Well, the answer is: the Moon is about 24 * 10^4 miles from Earth.

Just write 24 and multiply it by 10 to the power equal to the number of zeros (if there are four zeros after 24, then multiply it to the 4th power of 10).</span>
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When Arjun makes hot cocoa, he adds 20ml of chocolate syrup for every 3 ounces of hot water. Arjun's brother, Eli, adds 45mL of
Digiron [165]

Answer:

Eli

Step-by-step explanation:

Arjun: 20÷3=6.6666666667

6.6666666667mL of chocolate syrup for every ounce of hot water.

Eli: 45÷6=7.5

7.5mL of chocolate syrup for every ounce of hot water

Conclusion: Eli has the hot cocoa with the most chocolate

6 0
3 years ago
A rectangle is inscribed in a right isosceles triangle, such that two of its vertices lie on the hypotenuse, and two other on th
Ronch [10]
Refer to the attachment for the diagram of the problem.

Let us call the two identical sides of the isosceles triangle with s. Since we know that the hypotenuse measures 45 inches, we can find s by using the Pythagorean Theorem:
45^{2} = s^{2}+ s^{2}
45^{2} = 2s^{2}
45^{2} = 2s^{2}
1012.5 = s^{2}
s=31.82

We can notice that the figure will have similar triangles with the smaller triangle having one length equal to 5x. We then compute for the equivalent hypotenuse of the smaller triangle (denoted as y).
\frac{31.82}{5x} = \frac{45}{y}
y=7.07x

We can then solve for the value of x by applying the Pythagorean Theorem in the smaller triangle.
(7.07x)^{2} = (5x)^{2}+ (31.82-2x)^{2}
50x^{2} = 25x^{2}+ 1012.5-127.28x+4x^{2}
0= -21x^{2}-127.28x+1012.5
x=4.55,-10.61

We ignore the negative value since there is no negative side. x is therefore 4.55 thus the dimensions of the rectangle would be 22.75 and 9.1. For the other case, the dimensions would simply be inverted since we would be dealing with a rectangle with its width longer than its length.

6 0
3 years ago
Round the following 8.388 to 2 decimal places
Roman55 [17]
The answer will be 8.39 because the third number (8) is above 5 so you have to round up. Good luck!
3 0
3 years ago
Well I need help please
marissa [1.9K]

 change to improper fractions

 77 1/2 = 145/2

2  1/4  = 9/4

divide

145/2 divide 9/4

copy dot flip

145/2 * 4/9

580/18

290/9

32  2/9

it will fit into 32 bags with 2/9 left over

We have 32 full bags * 2.25 = $72.00



8 0
3 years ago
The air quality was tested in many office buildings in two cities. The results of the testing is shown in this box plots.
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A C & D If The Air Quality Was Tested .
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