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Tanzania [10]
3 years ago
14

5a²-44=81 what are the solutions to the equation? A. ± 25 B. -5 C. ± 5 D. ± 125

Mathematics
1 answer:
Masteriza [31]3 years ago
6 0

Answer:c

Step-by-step explanation:

Add 44 to both sides and divide by 5 (on both sides) then apply the square root

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34=2x+8(x+3)<br><br><br> Help me solve please?
sveta [45]
34 = 2x +8x + 8(3)
34 = 2x + 8x + 24
34 = 10x + 24
10 = 10x

<em><u>x = 1</u></em>
6 0
3 years ago
When the outliers are removed, how does the mean change? dot plot with 1 on 50, 1 on 76, 1 on 78, 2 on 79, 1 on 80, 1 on 81, 2 o
Arturiano [62]
Answer: The mean increases by 3

-----------------------------------------------------------
-----------------------------------------------------------

The original data set is 
{50, 76, 78, 79, 79, 80, 81, 82, 82, 83}

The outlier is 50 because it is not near the group of values from 76 to 83 which is where the main cluster is.

The original mean is M = (50+76+78+79+79+80+81+82+82+83)/10 = 77

If we take out the outlier 50, the new mean is N = (76+78+79+79+80+81+82+82+83)/9 = 80

So in summary so far
old mean = M = 77
new mean = N = 80

The difference in values is N-M = 80-77 = 3

So that's why the mean increases by 3

5 0
4 years ago
Read 2 more answers
Jake has h hats. Paul has 3 scarves and n hats. Dillon has 3 times the total number of winter accessories Jake and Paul have. Wr
olga55 [171]

Answer:

(h+3+n)3=D dillion has d amout of winter acsessors

Step-by-step explanation:

7 0
3 years ago
A survey is being conducted to determine the favorite movies for various ages. Which of the following best describes this survey
podryga [215]
Qualitative. It describes the 'quality' of each movie, not the amount of movies seen or their ages. 
6 0
3 years ago
John carried 3 large crates of milk into his store that weighed a total of 252
kumpel [21]

Answer:

134.4oz

Step-by-step explanation:

First divide 252/3 to get the weight of each crate.

252/3=84lbs. per crate

If there's 10 gallons of milk in each crate then this must mean each gallon is 8.4lbs.

8.4lbs converts to 134.4 oz.

Hope this helps!

-MoCKEry

5 0
3 years ago
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