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GuDViN [60]
3 years ago
14

Eleven members of the Middle School Math Club each paid the same amount for a guest speaker to talk about problem solving at the

ir math club meeting. They paid their guest speaker $1−A−2−. What is the missing digit A of this 3-digit number?
Mathematics
1 answer:
RSB [31]3 years ago
4 0
So what we know is that there is a number 1?2 that is divisible by 11.

what was 11 multiplied by to get this number?  it must start with "1" since 1*1=1 and end with "2" since 1*2=2 and there is 2 at the end of the product .

so let's try: what is 11*12? 132? yes, that sounds good!

so the missing number is 3 and they each paid 12 dollars.
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Find the equation of the line with slope = 2 and passing through (-3 , 4)
coldgirl [10]

Answer:

y = 2x + 10

Step-by-step explanation:

The equation of a line in slope- intercept form is

y = mx + c ( m is the slope and c the y- intercept )

Here m = 2. thus

y = 2x + c ← is the partial equation

To find c substitute (- 3, 4) into the partial equation

4 = - 6 + c ⇒ c = 4 + 6 = 10

y = 2x + 10 ← equation of line

8 0
2 years ago
Read 2 more answers
Question 20 please help
Luda [366]
I guess the answer  is C or A
5 0
2 years ago
A machining operation produces bearings with diameters that are normally distributed with mean 3.0005 inches and standard deviat
padilas [110]

Answer:

5%

Step-by-step explanation:

The 68-95-99.7 rule for the Normal distribution is an empirical rule that remind us the percentages of data that falls between the mean ± 1, ± 2 and ± 3 standard deviations.

That is to say, if the mean is m and the standard deviation s, roughly speaking 68% of the data falls between  [m-s, m+s], 95% between [m-2s, m+2s] and 99.7% between [m-3s, m+3s].

Since the mean is 3.0005 and the standard deviation is s=0.0010, 2s=0.0020, 95% of the data should fall between [3.0005-0.0020, 3.0005+0.0020] and 5% outside this interval. So <em>around 5% of total production will be scrap</em>.

 

7 0
3 years ago
need help with this problem drop down1: 6, 10drop down2: 6, 10drop down3: less than (&lt;), greater than (&gt;), less than or eq
Kryger [21]

From the information given,

x represents number of small boxes while y represents number of large boxes.

If each small box can hold 6 books and each large box can hold 10 books, it means that the expression for the number of books that x small boxes and y large boxes can hold is

6x + 10y

If James can pack up to 110 books, it means that the number of books that he can pack is less than or equal to 110. The inequality representing this scenario is

6x + 10y ≤ 110

10y ≤ - 6x + 110

Dividing both sides of the equation by 10, we have

y ≤ - 6x/10 + 110/10

y ≤ - 3x/5 + 11

The graph is shown below

The inequality that represents this sitaution is 6x + 10y ≤ 110

The graph of the inequality wil have solid boundary at y = - 3x/5 + 11

and will be shaded below the line.

3 0
11 months ago
Pls find the answer to this question
nika2105 [10]
  • this might be the answer

7 0
3 years ago
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