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Rainbow [258]
3 years ago
13

Solve: 7 - 2x = 2(x-4) - 1

Mathematics
1 answer:
vagabundo [1.1K]3 years ago
8 0
Answer = C. X= 4
Isolate the variable by dividing each side by factors that don't contain the variable.
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Order the numbers from greatest to least 25%,0.33, 15 1/2%, 3.14,
Anna [14]
3.14,0.33,25%,15.5% 
you convert them all to decimal and arrange  them in order.
7 0
3 years ago
which of the following is the graph of an arithmetic sequence whose first term is 2 and common difference is 0.5
zloy xaker [14]

Solution

The general form of the n-th term = a + (n-1)d

An = 2 +(n-1)0.5

An = 2 + 0.5n - 0.5

An = 0.5n +1.5

Here the slope is 0.5 and y-intercept is 1.5

Therefore, the line start from y = 1.5 rises 0.5 level because the slope is 0.5

Now look at the graph.

The graph D start from 1.5 and moves at the rate of 0.5

The answer is Graph D.

6 0
3 years ago
The ratio of women to men working for a company is 5 to 7. If there are 140 men working for the company, what is the total numbe
Thepotemich [5.8K]
So women:men=5:7
for every 5 units of women, there are 7 units of men so
there are 140 men and that equals 7 units so
140=7 units
solve for 1 unit
140/7=20
1 unit=20
women=5 units
5 times 20=100
women=100
total=women+men=100+140=240
another way would be to add up the units (5+7=12) and multiply by the amount per 1 unit

7 0
3 years ago
A book costs $12.50 plus sales tax. After tax it costs $13.25. What is the sales tax rate?
WINSTONCH [101]

Answer:

The rate of sales tax is 6%.

Step-by-step explanation:

First you must subtract 12.50 from 13.25

This brings you to .75

Then, divide .75/12.50 to get 0.06 which is equivalent to 6 percent.

6 0
3 years ago
A function is created to represent the cost per person to attend the school dance. What restrictions would be made to the domain
Evgesh-ka [11]
The domain would have to be greater than or equal to 0, assuming x is the number of people attending.  You can't have a negative number of people!
7 0
3 years ago
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