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irina1246 [14]
3 years ago
9

What’s -2c+6=-8 in equations

Mathematics
1 answer:
Ksivusya [100]3 years ago
3 0
Go to askrose.org you have to put your from Indiana but they help with math and science homework
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Mason and Nora decided to swim across the river. Mason began swimming 3 seconds earlier than Nora.
hram777 [196]
What does 5.3+1 mean
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3 years ago
A survey was conducted that asked 1004 people how many books they had read in the past year. Results indicated that x overbarequ
melisa1 [442]

Answer:

Step-by-step explanation:

Given that a survey was conducted that asked 1004 people how many books they had read in the past year.

Results are:

x bar =12.5

s = 16.6

n = 1004

Std error of sample = \frac{s}{\sqrt{n-1} } =\frac{16.6}{\sqrt{1003} }\\=0.524152\\=0.524

Since population std dev is not known t critical value can be used for confidence interval.

df = 1004-1 =1003

t critical = 1.96

Margin of error = 1.96(std error) =1.027

Confidence interval lower bound = 12.5-1.027 = 11.473

Upper bound = 12.5+1.027 = 13.527

6 0
3 years ago
Leah's house has media room with a large flat screen tv. The media room tv has a width of 8 feet and a height of 4.5 feet. The f
neonofarm [45]
The ratio of the media room tv's width to height is 8ft to 4.5ft or 8/4.5

since the ratio of the living room tv's width to height is the same, the ratio would be
x/27 = 8/4.5
with x being the living room tv's width. Solve for x
x = (8/4.5)(27)
   = 48
The width of the living room tv is 48 inches
4 0
3 years ago
Read 2 more answers
What are the solutions to the equation x2 - 8x = 10
mojhsa [17]

Answer:

x = 4 ±√26

Step-by-step explanation:

Please write this as x^2 - 8x = 10, or x^2 - 8x - 10 = 0.  " ^ " indicates exponentiation.

Let's complete the square:

x^2 - 8 x can be rewritten as

x^2 - 8x + 16 - 16, and so

x^2 - 8x = 10 becomes x^2 - 8x + 16 - 16 - 10 = 0, or

                                         (x - 4)^2 = 26

Taking the square root of both sides, we get:

x - 4 = ±√26, or

x = 4 ±√26

5 0
3 years ago
Joseph buys a bag of 60 pieces of taffy. In the bag, there are 12 cinnamon pieces, 18 raspberry pieces, 18 key lime pieces, and
Rus_ich [418]
You take the amount of raspberry pieces and divide with the total of taffy pieces

The answer is 0.3
 
Hope this helps<span />
3 0
4 years ago
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