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DENIUS [597]
3 years ago
13

1. 48 cm2. 30 cm3. 24 cm4. 54 cmwhat's the answer​

Mathematics
1 answer:
rjkz [21]3 years ago
6 0

Step-by-step explanation:

The answer is definitely 2.

which is 30 cm

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Use properties of rational numbers to simplify the expression.<br> -24 - (41.07 + 11)
Murljashka [212]

Answer:

-76.07

Step-by-step explanation:

-24-(41.07+11)

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-24-41.07 + 11

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In the last race , the first car in the pit used 1 3/4 tanks of gas, the second car used 2 1/8 and the third car used 1 1/2 tank
riadik2000 [5.3K]

Answer: -5\frac{3}{8} tanks of gas


Step-by-step explanation:

Let the x be the number of tanks of gas, then

The amount of gas used by first car= 1\frac{3}{4}x=\frac{7}{4}x

The amount of gas used by second car= 2\frac{1}{8}x=\frac{17}{8}x

The amount of gas used by third car= 1\frac{1}{2}x=\frac{3}{2}x

Thus, the total change in the amount of gas for all three cars=\frac{7}{4}x+\frac{17}{8}x+\frac{3}{2}x

=x(\frac{7}{4}+\frac{17}{8}+\frac{3}{2})\\\\=x(\frac{14+17+12}{8})\\\\=x(\frac{43}{8})\\=5\frac{3}{8}x

Since, the amount of gas 5\frac{3}{8} tanks of gas is used for all three cars.

Therefore, the total amount would be negative .

hence, the answer is  -5\frac{3}{8} tanks of gas.

8 0
3 years ago
A salesperson had the following sales: $15.50, $18.98, s16.8, $14, $18.50, and $22. What was the average sale?
Jlenok [28]

Answer:

$ 17.63

Step-by-step explanation:

Given,

The sales of the salesperson are,

$15.50, $18.98, $16.8, $14, $18.50, and $22,

Sum of sales = 15.50 + 18.98 + 16.8 + 14  + 18.50 + 22 = 105.78

Also, the number of sales = 6,

Thus, the average sale = \frac{\text{Sum of sales}}{\text{Number of sales}}

=\frac{105.78}{6}

= $ 17.63

5 0
3 years ago
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