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4 years ago

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Julius bought 3 games on sale. the original price of each game was "d" dollars. the expression 3(d - 0.2d) shows the total amoun

t julius paid. which expression is equivalent to this?

1 answer:

xxMikexx [17]4 years ago

7 0

3d-0.6d if you distribute

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HELPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPP *67 points*

ycow [4]

If it didn't have that piece cut out on the bottom, it would be a rectangle that's 9cm wide and 5cm high. Its area would be 9x5= 45 cm².

But that piece is cut out of the bottom. The cut-out piece is 3cm wide and 3cm high, so its area is 3x3= 9 cm².

9 cm² have been cut out of the 45 cm² of the complete big rectangle. So the remaining area of the figure is 45 - 9 =<em> 36 cm²</em> .

4 0

3 years ago

The area of the region between the lines y = x + 6, x = 1 and y = 0 is:

Ilya [14]

9514 1404 393

Answer:

B. 49/2 units squared

Step-by-step explanation:

The area is that of a triangle 7 units wide and 7 units high. Its area is given by the formula ...

A = 1/2bh

A = (1/2)(7 units)(7 units) = 49/2 units squared

8 0

4 years ago

Convert from Decimal Notation to Scientific Notation

Bingel [31]

Answer:

Hence, 0.0000087 can be expressed as $8.71 \times 10^{-6}$ .

Step-by-step explanation:

- Given 0.00000871

- Move the decimal point so that the factor is greater than or equal to 1 but less than 10 .

- Then count n and write no. as product with a power of 10 .

Step 1 of 1

Consider 0.00000871,

8.71

Decimal has moved 6 places to right.

The power will be negative as the original no. is less than 1 .

$\begin{array}{r}8.71 \times 10^{-6} \\0.0000087=8.71 \times 10^{-6}\end{array}$

3 0

2 years ago

According to the chart, from 1986-1996, unintentional drug overdose deaths per 100,000 population began to rise. The numbers for

Vaselesa [24]

Answer:

The mean of these statistic is 2.18.

Step-by-step explanation:

According to the chart, from 1986-1996, unintentional drug overdose deaths per 100,000 population began to rise.

The given data set is

2, 1, 2, 2, 1, 2, 2, 3, 3, 3, 3

Formula for mean:

$Mean=\frac{\sum x}{n}$

Using this formula, the mean of the data is

$Mean=\frac{2+1+2+2+1+2+2+3+3+3+3}{11}$

$Mean=\frac{24}{11}$

$Mean=2.181818$

$Mean\approx 2.18$

Therefore the mean of these statistic is 2.18.

3 0

3 years ago

Read 2 more answers

Jenny is making a toilet cleaner from vinegar and water in the ratio of 1 : 5. She starts by mixing 4.5 cups of water with 7 cup

blsea [12.9K]

Answer:

She need need 0.5 more cups of water.

Step-by-step explanation:

If you do 5 - 4.5 it will equal 0.5.

3 0

3 years ago