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Alexxandr [17]
3 years ago
12

Simplify. 4b • 0.5a 2ab 2a2b 2ab2 2a2b2

Mathematics
1 answer:
fiasKO [112]3 years ago
3 0

(4b)•(0.5a) = (4•0.5)(a)(b) = 2ab . . . . matches the first choice

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FRANK has a paper clip.it has a mass of 9g and a volume of 3cm3.what is its density?
Pachacha [2.7K]

Answer:

<h2>3 g/cm³</h2>

Step-by-step explanation:

The density of a substance can be found by using the formula

density =  \frac{mass}{volume} \\

From the question we have

density =   \frac{9}{3}  = 3 \\

We have the final answer as

<h3>3 g/cm³</h3>

Hope this helps you

7 0
3 years ago
Harry, Peter and 7 girls sit in a row. Harry can't sit in an end seat. In how many ways can they be arranged?
Sonja [21]
All possibilities = 9! 
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4 0
4 years ago
Read 2 more answers
A number changed to 12.6 after it was rounded. To what place was the number rounded? Explain how you know.
Anton [14]
If 12.6 was rounded, that means that it was rounded to the tenths place.
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4 0
4 years ago
For a certain map, the scale shows that 1 cm on the map equals 2.50 km on earth's surface. two towns on the map are 4.75 cm apar
Julli [10]
<span>In this problem, to find the answer we have to setup a series of ratios that relate the scale to real life distance. We know that 1cm = 2.50km, so that ratio would be 1cm/2.5km. For two towns that are 4.75cm apart on the map, we set a ration of 4.75cm/x km, where x is the actual distance. Now we set the ratios equal to each other and solve for x. 1/2.5=4.75/x where x = 4.75*2.5/1 = 11.875 and rounding up we get 11.88 km. The two towns are actually 11.88 km apart from each other.</span>
3 0
3 years ago
The length of the line segment <br><br> AB equals 3x+1<br><br> BC equals 4x-5<br><br> AC equals 8x-9
yanalaym [24]

Answer:

X = 5

Step-by-step explanation:

Here is what I am picturing (not to scale)

A ----------------B-----------C

We are given the information of AB (which equals 3x + 1), BC (which equals 4x - 5), and AC (which equals 8x - 9).

With reference to the line, AB + BC = AC

So,

3x + 1 + 4x - 5 = 8x - 9

7x - 4 = 8x - 9

5 = x

4 0
3 years ago
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