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3 years ago

Please help me with this geometry question. i attached an image.

Mathematics

1 answer:

Tju [1.3M]3 years ago

7 0

If BE is perpendicular to DF,that means that angle DEB is 90 degrees. Since we know that DEA is 71 degrees, subtract 90 to 71 to find the value for angle AEB. 90-71 equals 19 so angle AEBis 19 degrees.

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You are on a game show and you are given the choice of three doors. Behind one door is a car (the main prize). Behind each of th

makvit [3.9K]

Answer:

You need to switch doors.

Switching the door has higher probability of winning.

Step-by-step explanation:

Consider the provided information.

Suppose there are 3 doors, A, B and C

Behind one door is a car that means the probability of getting a car is 1/3

Suppose you select door A

The probability that the it has a goat is 2/3. That means it is very likely to be a goat behind door A.

The other two door(B and C) are more likely to contain a goat and car.

The host opens another door which has a goat behind it. Let say he open the door B.

Now there is more chance to be a car behind it as compare to the previous choice.

Thus, you need to switch doors.

Switching the doors will gives you 2 in 3 chance of winning while staying with same door will gives you 1 in 3 chance of winning.

Switching the door has higher probability of winning.

4 0

3 years ago

At a certain time of day, a 30-foot building casts a 10 foot shadow. How tall is a person who casts a 2 foot shadow?

Anni [7]

Answer:

C) 6 feet

Step-by-step explanation:

set up a proportion of height/shadow = height/shadow

30/10 = h/2

cross-multiply:

10h = 60

h = 6

4 0

2 years ago

Read 2 more answers

Two identical CDs regularly cost a total of $\$28.$ What is the cost in dollars of five of these CDs?

Paha777 [63]

the answer is will be $140

7 0

3 years ago

Do i need to flip the reciprocal please explain your answer<br> 2y/2 < 10/2

saul85 [17]

Answer:

$\displaystyle \large \boxed{y < 5}$

Step-by-step explanation:

We are given the Inequality:

$\displaystyle \large{ \frac{2y}{2} < \frac{10}{2} }$

First, we can simplify the expression. On the left side of Inequality, we can cancel 2; on the right side, we can cancel 2 out as well.

Simply, division!

$\displaystyle \large{ \frac{ \cancel{2}y}{ \cancel{2}} < \frac{ \cancel{10}}{ \cancel{2} }}$

2 divides 2 is 1; 2 divides 10 is 5.

$\displaystyle \large{ \frac{1y}{1} < \frac{ 5}{ 1}}$

Generally, it is not recommended to write 1 beside the variable nor write 1 as a denominator.

Simplify the expression:-

$\displaystyle \large{ y < 5}$

Therefore, the value of y is less than 5.

Let me know if you have any questions after reading the explanation!

7 0

2 years ago

(Please Help! I need this done NOW! and I mean NOW! Please Help whoever is seeing this!) Which inequality is equivalent to −4t≥2

Mademuasel [1]

The answer should be C

6 0

3 years ago