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Shalnov [3]
3 years ago
8

HELP FAST!!!!

Mathematics
1 answer:
Natasha2012 [34]3 years ago
7 0
x-3\leq-7\ \ |+3\\x\leq-4\to A=\left(-\infty;-4\right>\\\\x-3\geq1\ \ \ |+3\\x\geq4\to B=\left\ \cup\ \left

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Mr. Mandel gave his class 12 minutes to read. 5 1/2 pages in that time. At what rate, in pages per hour, did Claire read?
Eva8 [605]
5 1/2 pages in 12 minutes.
11/2 pages in 12 minutes 

How many pages in an hour?
well, an hour has 60 minutes

Let's write a proportion
11/2 / 12 = x/60
cross multiply
(11/2 * 60) = 12x
330 = 12x
divide both sides by 12
27.5 or 27 1/2 = x

27.5 pages per hour.

Hope this helps
8 0
3 years ago
The company sells the toys for $12 each. Write an expression for the amount of
Nady [450]

Answer: I(x)=12x

Step-by-step explanation:

Let I represent the total money earned

Let x represent the number of toys sold

Since each toy is 12 dollars, then the company will earn 12 dollars for each toy that is sold.

Therefore,  the equation is,

I(x)=12x  

5 0
3 years ago
9 (9m+3t)=<br> simplify pls
Aleks04 [339]

Answer:

81m+27t

Step-by-step explanation:

We need to distribute the 9 to the terms inside the parentheses:

9(9m+3t)=9(9m)+9(3t)=81m+27t

8 0
3 years ago
Read 2 more answers
Use a calculator or a square root table to approximate to the nearest thousandth
Vadim26 [7]

Answer:

- 13.077

Step-by-step explanation:

Here we have to calculate the square root of a certain number using the help of the calculator or a square root table.

The given expression is - \sqrt{ 171 }.

Now, using calculator \sqrt{ 171 } = 13.076696

Now,  - \sqrt{ 171 } = - 13.076696

So, approximate value to the nearest thousandth is - 13.077 ( Answer )

4 0
3 years ago
The total price for 7 movie tickets is 92.40 . If each ticket costs the same amount, how much does one movie ticket cost?
horsena [70]

Answer:

$13.20

Step-by-step explanation:

total cost of tickets = $92.40

total number of tickets = 7

cost of each ticket

= total cost of tickets ÷ total number of tickets

= 92.40 ÷ 7

= $13.20

hope this helps

8 0
3 years ago
Read 2 more answers
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