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Marizza181 [45]
4 years ago
6

Define a variable, write an inequality, and solve each problem. # 30 Twice a number is more than the sum of that number and eigh

t.
Mathematics
1 answer:
laiz [17]4 years ago
8 0

n= number

2n > n+8

subtract n from each side

2n-n > n+8-n

n > 8

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Describe the solution set of the compound inequality x < 2 and x > 7
vlabodo [156]

Answer:

All values along the x-axis in the shaded regions.

Step-by-step explanation:

The solution set of the compound inequality is any number less than 2 and greater than 7. This means its all the numbers on the number line from 1.99999 to 0 to -9 to -1000 and so forth. And it's also any number greater than 7 including 7.01 to 1000 to 1,000,000. See the graph below to visually see the solution. The solution are all the numbers along the x-axis in the shaded regions.

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4 years ago
Barnaby decided to count the number of ducks and geese flying south for the winter. On the first day he counted 175 ducks and 63
olga_2 [115]

Answer:

13,125 ducks

Step-by-step explanation:

The ratio of ducks:geese on the first day was:

175:63

On the last day (end of migration), he counted 4,725 geese.

To find the number of ducks using the same ratio, we are first going to divide 4,725 by 63 to find what number all the ducks and geese multiplied by:

4,725/63 = 75

The geese multiplied by 75. This means the ducks also multiplied by 75:

175*75 = 13,125

Barnaby counted 13,125 ducks.

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7 0
3 years ago
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GarryVolchara [31]

Answer:

The discount was approximately 48%.

Step-by-step explanation:

The general forumla to calculate percent change (increase or decrease) is:

x 100

In this case, the original price was $28.00, but the new price (after discount) was $14.60.  Putting these values into the formula:

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6 0
3 years ago
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A chef has 48 lunch orders to make. He sees that 3/8 of the orders are for chicken salad. How many of all the lunch orders are f
Alenkasestr [34]

Answer:

6.

Step-by-step explanation:

1. 3/8 divided by 48

2. Make 48 a fraction by putting a 1 as the denominator. So, 48/1

3. Then flip 3/8 to 8/3

4. Divide 8/3 with 48/1 = 6/1

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Hope this helps, have a great day/night!

5 0
3 years ago
What is the rate of change: y=x+5
const2013 [10]

Answer:

x or 1x.

Step-by-step explanation:

The rate of change is slope.

Slope=m

y=mx+b

y=<u>x</u>+5

x is the same thing as 1x. So...

4 0
3 years ago
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