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ArbitrLikvidat [17]
3 years ago
10

HELP ME PLZZZ ASAP PLZZZ

Mathematics
1 answer:
AnnyKZ [126]3 years ago
6 0
I believe that B is the answer bc -2-1 is -3 but with absolute value it it's 3, whish is the correct distance
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Riley has 78 postcards she wants to put 6 on each poster board. How many poster boards will she need
nirvana33 [79]
13, because 78 postcards divided by 6 cards per board = 13 poster boards 
6 0
2 years ago
Question 8 the price of a cup of coffee was $2.55 yesterday. today, the price fell to $2.40 . find the percentage decrease. roun
Alex787 [66]
The answer would be 5.9%
3 0
3 years ago
I’m really stuck<br> Can. Someone help?
const2013 [10]

Answer:

-2\leq x < 8

Step-by-step explanation:

Notice that the leftmost endpoint, 2, has a closed circle, which means that it is included in the inequality. Also, the rightmost endpoint, 8, has an open circle, which means that is NOT included in the inequality.

Because the inequality only includes what is between the two numbers, you write the inequality as -2\leq x < 8 to show that -2 is included and 8 is not included.

8 0
1 year ago
Times for an ambulance to respond to a medical emergency in a certain town are normally distributed with a mean of 450 seconds a
Gnoma [55]

Answer:

(D)109

Step-by-step explanation:

Mean = 450 seconds

Standard deviation = 50

First, we determine the probability that the expected response time is between 400 seconds and 500 seconds, P(400<x<500)

Using the Z-Score,

P(\frac{x-\mu}{\sigma}

From the Z-Score table

P(-1<x<1) = 0.68269  

The probability that the expected response time is between 400 seconds and 500 seconds is 0.68269.

Since there are 160 Emergencies

Number whose expected time is between 400 seconds and 500 seconds

=160 X 0.68269 \approx 109

6 0
3 years ago
Write as a repeating decimal using bar notation. Show your work.<br><br> 5/11
MrMuchimi
5/11
11 goes into 5 zero times (0.)
11 goes into 50 four times with a remainder of 6 (0.4)
11 goes into 60 five times with a remainder of 5 (0.45)
11 goes into 50 four times with a remainder of 6 (0.454)
11 goes into 60 five times with a remainder of 5 (0.4545)
The answer is .45 with a bar on top of both the 4 and the 5.
7 0
3 years ago
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