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saul85 [17]
3 years ago
10

(07.01 MC) A set of numbers is shown below: {0, 0.8, 1, 3, 6} Which of the following shows all the numbers from the set that mak

e the inequality 7x + 1 ≥ 8 true? A {1, 3, 6} B {3, 6}. C {0, 0.8, 1}
D {0, 0.8}
Mathematics
1 answer:
Angelina_Jolie [31]3 years ago
7 0
You can solve this by solving the equation given for x, this will tell you the range of numbers that would make the inequality true.

7x + 1 >= 8
7x >= 8-1
7x >= 7
x >= 7/7
x >= 1

So, x would have to be greater than or equal to 1. Given the set of numbers in the problem; the numbers 1, 3, 6 would satisfy the inequality. The answer is (A).
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A local concert promoter purchases 2 3/4 pages of ads. When one of the concerts is cancelled, the promoter cancels 1 5/8 pages o
Lynna [10]

Answer:

1\frac{1}{8} pages

Step-by-step explanation:

Since the concert promoter started with 2 \frac{3}{4} pages of ads but had to cancel 1 \frac{5}{8}, subtracting the cancelled amount from the original amount will give the amount of advertising space the promoter is now actually using:

 2 \frac{3}{4}  = 2 \frac{6}{8}

- <u>1 \frac{5}{8}</u>      - <u>1 \frac{5}{8}</u>

     1\frac{1}{8} pages

In order to subtract fractions, you need to have like denominators, so you need to convert \frac{3}{4} into an equivalent fraction with a denominator of '8'.  Since 4 x 2 = 8, then you also need to multiply the numerator by the same factor: 3 x 2 = 6.

5 0
3 years ago
Clearing fractions<br><br> SOLVE
lana66690 [7]
You can multiply by -30 to clear fractions.
.. 47 ≤ 10x +60

Now, subtract 60 and divide by 10
.. -13 ≤ 10x
.. -1.3 ≤ x

4 0
4 years ago
The table shows data collected to represent the functional relationship between the number of hours an auto factory is open and
olchik [2.2K]

Answer:

{3, 5, 7, 9, 11}

Step-by-step explanation:

Domain of a function is the set of all the allowable values that can be used as an input to the function. In easy words, we can just say this: The set of all the inputs to a function comprises the Domain of the function.

Domain consists of the values of independent variable on which some other variable depends and give some output result. From the given table we can see that there are two variables: Number of hours(x) and the Cars Produced(y).

Number of cars produced depend on the number of hours the auto factory remains open. So, number of hours is the independent or the input variable and all the values of this variable will form the Domain of the function represented by the table.

So, the Domain of the function is: {3, 5, 7, 9, 11}

3 0
4 years ago
Read 2 more answers
Please If you can see if you can help on some of my questions!!!!
kvv77 [185]
PQ // BC 

then

Angle P = Angle B, A is common angle the two triangles are similar

AP/AB  = AQ/AC

8/18 = 12/ AC

AC = 12 * 18/8 = 27 (your ans: D)

AQ + QC = AC

QC = AC - AQ = 27 - 12 = 15 (if it was required) 

tan60 = y/8

y = s tan60 = 8sqrt(3)  (B)

Next time, post each question separately. 


6 0
3 years ago
3x - 51y + 24 and 3(x- 17y + 8)
dlinn [17]

Answer:

They are equal if that’s what you’re asking

Step-by-step explanation:

3 0
3 years ago
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