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Veseljchak [2.6K]
3 years ago
14

What is the measure of the missing angle?​

Mathematics
1 answer:
Degger [83]3 years ago
3 0

Answer:

115

Step-by-step explanation:

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I need this answer asap
antoniya [11.8K]

Answer:

240

Step-by-step explanation:

5 0
3 years ago
A can of tuna fish is a cylinder with a height of 1.75 inches and a diameter of 3 inches. If the can is half full, how many cubi
zlopas [31]

Answer: 6.185in^3

Step-by-step explanation:

The formula for calculate the volume of a cylinder is:

V_{cylinder}=\pi r^2h

r is the radius of the cylinder and h is the height of the cylinder.

Given the diameter of 3 inches, calculate the radius of the cylinder with:

r=\frac{d}{2} (Where d is the diameter)

 r=\frac{3in}{2}=1.5in

Knowing the height and the radius, you can calculate the volume of the entire can of tuna:

V_{can}=\pi (1.5)^2(1.75in)=12.37in^3

As you want to know the cubic inches of tuna that are in the can (volume of tuna), and you know that the can is half full, then:

V_{tuna}=\frac{V_{can}}{2}\\\\V_{tuna}=\frac{12.37in^3}{2}\\\\V_{tuna}=6.185in^3

5 0
3 years ago
Read 2 more answers
The speed limit on a road drops down to 15 miles per hour around a curve. Mr. Gerard slows down by 10 miles per hour as he drive
vladimir1956 [14]

Answer:

x ≤ 25mph

Step-by-step explanation:

Given that :

Speed limit drops to 15 miles per hour at curve

Driver slows down by 10 miles per hour as he drives around the curve

The driver's speed before reaching the curve is :

Let speed befure curve = x

Lowest speed before curve = 15 +. 10 = 25 mph

x ≤ 25mph

7 0
2 years ago
Our environment is very sensitive to the amount of ozone in the upper atmosphere. The level of ozone normally found is 7.5 parts
DochEvi [55]

Answer:

We accept  H₀   with the information we have, we can say level of ozone is under the major limit

Step-by-step explanation:

Normal Distribution

population mean  =   μ₀   =  7.5   ppm

Sample size     n   =  16      df  =  n  -  1  df  =  15

Sample mean      =    μ   =  7.8  ppm

Sample standard deviation   =  s  =  0.8

We want to find out if ozono level, is above normal level that is bigger than 7.5

1.- Hypothesis Test

null hypothesis                          H₀         μ₀   =  7.5

alternative hypothesis             Hₐ          μ₀  >  7.5  

2.-Significance level    α  =  0.01   we will develop one tail-test (right)

then   for   df  =  15    and    α =  0,01   from t -student table we get

t(c)  = 2.624

3.-Compute  t(s)

t(s)  =  (  μ -  μ₀ ) / s /√n            ⇒   t(s)  = ( 7.8  -  7.5 )*4/0.8

t(s)  = 0.3*4/0.8

t(s)  = 1.5

4.-Compare   t(s)   and  t(c)

t(s)  <  t(c)       1.5  <  2.64

Then  t(s) is inside the acceptance region. We accept  H₀

7 0
2 years ago
The number of cable TV systems recently decreased from 16,300 to 16,020. Find the percent decrease.
irga5000 [103]
Percent decrease = (change in value) / (original value)

change in value = 9965-10100 =-135

We will just use 135 because the negative just that the value decreased

original value = 10100

So 135 / 10100 = .0134

This is a decrease of 1.34%
8 0
1 year ago
Read 2 more answers
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