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Minchanka [31]
2 years ago
14

The following are the temperatures of 10 days in winter in °C.

Mathematics
1 answer:
LUCKY_DIMON [66]2 years ago
6 0
Mean basically means average/ all the numbers added together divided by the amount of numbers given to us

So all the numbers added up will equal to 51 (-5+-3+-1+6+6+9+9+10+10+10) now divide that by the number of of numbers me given to us which is 10 so

51/10= 5.1

Mean=5.1
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Which equation below represents a line with a slope of - 2/3 that passes through the point (-4.5 , 10)?
Lostsunrise [7]

Answer:

Option C

Step-by-step explanation:

If a line passes through a point, then that point is called a solution to the line's equation. Substituting the x and y values of that solution into the equation will give a true statement. So, to find out which option is correct, we can substitute the x and y values of (-4.5, 10) into each equation and see if the result is a true statement.  

Let's try this with option C. To make things easier, convert -4.5 into decimal form: -4\frac{1}{2}. Substitute -4\frac{1}{2} for x and 10 for y in the equation, then solve:  

y = -\frac{2}{3} x+7\\\\10 = -\frac{2}{3} (-4\frac{1}{2} )+7\\10 = -\frac{2}{3} (-\frac{9}{2})+7\\10 = 3+7\\10 = 10

10 does equal 10, so this is a true statement. Option C is the right answer.

8 0
3 years ago
Suppose that you buy a bond with face value $1,000 that was originally issued 18 months ago. The maturity date is 4 years from t
ziro4ka [17]

Answer:

Step-by-step explanation:

Interest earned during the rest of 2 years and 6 months

40 + 40 + 40 = 120

he will be getting 1000 at the time of maturity ie after 2.5 years .

Total receipt = 1000 + 120 = 1120

investment made = 820

total receipt earned = 1120

profit made = 300

time = 2.5 years

profit = investment x rate of intt x time / 100

300 = 820 x r x 2.5 / 100  where r is rate of interest

r = 30000 / 820 x 2.5

= 14.63 % .

4 0
3 years ago
Which two points on the number line represent numbers that can be combined to make zero? B and D A and B C and D A and C
Lemur [1.5K]

Answer:

0 and 10 for this if im wrong sorry.

Step-by-step explanation:

4 0
3 years ago
Read 2 more answers
HELP! Simplify<br><br>3/14<img src="https://tex.z-dn.net/?f=%5Csqrt%7B98%7D" id="TexFormula1" title="\sqrt{98}" alt="\sqrt{98}"
Olegator [25]
Here is the problem simplified, todo this you
Simplify the radical by breaking the radicand up into a product of known factors, assuming positive real

5 0
2 years ago
Select the correct answer.
Leno4ka [110]

Answer:it’s C

Step-by-step explanation:

6 0
3 years ago
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