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Natalka [10]
2 years ago
8

Negative symbol as opposite | HELP PLS

Mathematics
2 answers:
nordsb [41]2 years ago
5 0
Negative of 0 is just 0

Hope this helps :)
Pepsi [2]2 years ago
4 0

Answer: I would have to say its zero

Sorry if I got it wrong

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SAT scores: The College Board reports that in 2009, the mean score on the math SAT was 582 and the population standard deviation
Andrews [41]

Answer:

we can conclude that there is no significant evidence to conclude that the mean score in 2010 differs from the mean score in 2009.

Step-by-step explanation:

H0 : μ = 582

H1 : μ < 582

Test statistic :

T = (xbar - μ) ÷ σ/√n

Xbar = 515 ; n = 20 ; σ = 120

T = (515 - 582) ÷ 120/√20

T = -67 / 26.832815

T = 2.50

Pvalue at t score = 2.50 ; df = 19 is 0.0187

At α = 0.0187

Pvalue > α ; Hence, we fail to reject the Null

Hence, we can conclude that there is no significant evidence to conclude that the mean score in 2010 differs from the mean score in 2009.

7 0
3 years ago
Students taking an online english test are randomly assigned 3 questions out of a set of 9 different questions. How many differe
wolverine [178]

Answer:

2 sets I think

Step-by-step explanation:

what are the answer choices

4 0
3 years ago
A runner completed a 26.2 mile marathon in 210 minutes.
amid [387]
26.2/210= .125 miles per minute
210/26.2= 8.02 minutes per mile
3 0
3 years ago
Read 2 more answers
I need help ASAP!!! (please look at the image and explain how you got the answer, please and thanks)
egoroff_w [7]

Answer:

114

Step-by-step explanation:

so lets call shelf 1 x

shelf 2 is twice size + 18 of shelf 1 so it is 2(x)+18

shelf 3 is 12 less than shelf 1 so x-12

shelf 4 is four more so x+4

Add them all together and it should be 5x+10= 2.5 m or 250 cm

Solve for x using cm

then plug into shelf 2 equation

8 0
3 years ago
John translated parallelogram ABCD using the rule (x,y)→(x+3, y−2). If angle A is 110° and angle B is 70°, what is the degree me
Alekssandra [29.7K]
The translation is not changing the angles, because the all the points were moved 3 units to the right and two units down, so all the lines preserved their slopes.

Then if the angles A and B were 110 and 70 the images preserve the same angles.
7 0
3 years ago
Read 2 more answers
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