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Ksivusya [100]
3 years ago
8

When do decimal points move

Mathematics
1 answer:
ch4aika [34]3 years ago
3 0
When you divide by a multiple of 10 or when you multiply by a multiple of 10.
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An automotive manufacturer wants to know the proportion of new car buyers who prefer foreign cars over domestic. Step 2 of 2 : S
Darya [45]

Step-by-step explanation:

From given data,

n = 1496

x = 478

Proportion estimate ( p ) = \frac{x}{n}

                                        = \frac{478 }{1496} = 0.3195 ≅ 0.31

Proportion estimate ( p ) = 0.31

∴ The proportion of new car buyers who prefer foreign cars -> 0.31

4 0
3 years ago
If a rectangle A has sides are three times the length of those rectangle B, how do the areas of the two rectangles compare?
Radda [10]

Answer:

The area of A is nine times the area of B.

Step-by-step explanation:

4 0
3 years ago
Find the slope of the line containing the given points
Luden [163]

Answer:

-9/8

Step-by-step explanation:

The two points given are

(1,6) and (9,-3)

The slope is given by

m = (y2-y1)/(x2-x1)

   = (-3-6)/(9-1)

   = -9/8

8 0
3 years ago
You are planning to make a collage and are gathering materials.for the backing you will use a piece of heavy recycled cardboard
Lunna [17]
1. 4 3/4 feet = 19/4 feet
2 2/5 feet=12/5 feet.
multiplying them together yields 
\frac{19}{4} * \frac{12}{5} =
=  \frac{57}{5} = 11.4 ft^{2}

Part 2: 
11.4 ft^2 - 4 1/2 ft^2=
11.4-4.5=6.9 ft^2 = 69/10 ft^2 left after you subtract the decoration in the middle
Now you're trying to find now many rectangular cutouts (that each are 3/8 ft^2) will fit in the remaining space.
You do that by dividing the remaining space left by 3/8:
\frac{69}{10} / \frac{3}{8} =  \frac{69}{10} * \frac{8}{3} =  \frac{92}{5}
since you have to have a whole number of cutouts, you round 92/5 down to 90/5, which is 18 cutouts
5 0
3 years ago
-4+ =-1 what is the missing number?
Oksi-84 [34.3K]
T h e. a n s w e r I s t h r e e
4 0
3 years ago
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