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WARRIOR [948]
3 years ago
5

If mCE = 40°, and mCDE = 30°, what is mAB?A. 70°B. 100°C. 140°D. 20°

Mathematics
2 answers:
Gwar [14]3 years ago
7 0
The answer for what is mAB is 70
Anarel [89]3 years ago
3 0

Answer:

70

Step-by-step explanation:

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The area of a patio is 72 square feet. The length of the patio is 1 foot longer than the width. What is the width of the patio?
mote1985 [20]
I know there must be an equation to do this, but there is a simpler way.
Just factor number 72 into two numbers which, when multiplied, equal 72. Two of such numbers are 9 and 8, and you can see that the difference between those two numbers is just 1. So that is the answer to your question - the length of the patio is 9 feet, whereas the width is 8 feet. 
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Solve using quadratic formula. 7x^2-12x+3=0
vazorg [7]
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3 years ago
4. Quinn bought a new camera. She was able to pay $60 at the time she received the camera. She will pay $15 each month on the ba
SpyIntel [72]

Answer: 6 months

Step-by-step explanation:

if the camera was 150 dollars, and she pay 60 upfront,

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she pays 15 dollars a month

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4 0
3 years ago
Read 2 more answers
Who can answer this for me please
melamori03 [73]

Answer:

<em>f(2)=-2</em>

Step-by-step explanation:

<u>Values of a function from a graph</u>

The graph of a function is usually a drawn line that joins a number of points that correspond to the ordered pairs (x,y), where x is a given value, and y is the value calculated through the rule of the function, usually a formula or equation.

If we want to know the value for a specific value of x, we find the corresponding x-coordinate, draw an imaginary vertical line until we meet the graph. The value of y at that point is the required value of the function.

For example, for x=0 the graph crosses the y-axis at y=2, thus the ordered pair is (0,2), and f(0)=2.

For x=2, the function has a value of y=-2, thus:

f(2)=-2

8 0
2 years ago
A direct mail appeal for contributions from a university's alumni is considered effective if more than 15% of the alumni provide
Ymorist [56]

Answer:

We want to verify if the true proportion of the alumni provide monetary contributions is higher than 0.15 (Alternative hypothesis), the system of hypothesis are.:  

Null hypothesis:p \leq 0.15  

Alternative hypothesis:p > 0.15  

And the best answer for this case would be:

Ha: p > 0.15

Step-by-step explanation:

Information given

n=250 represent the random sample taken

X=40 represent the number of people on the alumni mailing list

\hat p=\frac{40}{250}=0.16 estimated proportion of people on the alumni mailing list  

p_o=0.15 is the value to verify

z would represent the statistic

p_v represent the p value

Hypothesis to test

We want to verify if the true proportion of the alumni provide monetary contributions is higher than 0.15 (Alternative hypothesis), the system of hypothesis are.:  

Null hypothesis:p \leq 0.15  

Alternative hypothesis:p > 0.15  

And the best answer for this case would be:

Ha: p > 0.15

3 0
3 years ago
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