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Ray Of Light [21]
3 years ago
5

8.7 rounded nearest whole number

Mathematics
2 answers:
Murljashka [212]3 years ago
5 0

Answer:

9

Step-by-step explanation:

anything above .5 is rounded up .4 round down

PtichkaEL [24]3 years ago
3 0

Answer:

9

Step-by-step explanation:

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GUYS HELP ASAP <br> CHECK THE ATTACHED PHOTO
ASHA 777 [7]

Answer:

As they triangles are congruent, we can say that, angle A = angle O

So, angle A = 105+25 =130

A = 180 - 130 = 50° all angles in a triangle add up to 180)

Soo 50° is the answer,

I'm not too sure about it but I think this is correct, hope this helps, correct me if I'm wrong....

7 0
3 years ago
The life expectancy of a particular brand of tire is normally distributed with a mean of 40,000 and a standard deviation of 5,00
timama [110]

Answer: the probability that a randomly selected tire will have a life of exactly 47,500 miles is 0.067

Step-by-step explanation:

Since the life expectancy of a particular brand of tire is normally distributed, we would apply the formula for normal distribution which is expressed as

z = (x - µ)/σ

Where

x = life expectancy of the brand of tire in miles.

µ = mean

σ = standard deviation

From the information given,

µ = 40000 miles

σ = 5000 miles

The probability that a randomly selected tire will have a life of exactly 47,500 miles

P(x = 47500)

For x = 47500,

z = (40000 - 47500)/5000 = - 1.5

Looking at the normal distribution table, the probability corresponding to the z score is 0.067

6 0
3 years ago
Find the x-intercept and y-intercept for this equation 6x –y = -12. Plz help!!
12345 [234]
Y intercept = (0,12)
x intercept = (-2,0)
3 0
3 years ago
Find the volume of a cylinder with a radius of 4 in and a height that is 3 times the radius
german

Answer:

Volume of a cylinder: V = π * r² * h ,

Base surface area of a cylinder: A_b = 2 * π * r² ,

Lateral surface area of a cylinder: A_l = 2 * π * r * h ,

Total surface area of a cylinder: A = A_b + A_l ,

Step-by-step explanation:

So, when the radius is tripled, the volume will be 3 squared = 9 times than the previous one.

8 0
3 years ago
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Write the equation y-7= 2(x + 1) in standard form.
Andru [333]

Answer:

y=2X+9

Step-by-step explanation:

y-7=2(x+1)

Distribute 2 through: y-7=2x+2

Add 7 over to the other side: y=2x+9

4 0
3 years ago
Read 2 more answers
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