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IgorLugansk [536]
3 years ago
9

How much fabric is needed to make this

Mathematics
1 answer:
abruzzese [7]3 years ago
6 0

Answer:

f

Step-by-step explanation:

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Congruent because both angles are the same
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2 years ago
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Beth is selling tickets for a dinner at her school.
iren [92.7K]

Answer:

D

Step-by-step explanation:

check each child answer and multiply by 4.50

check each adult answer and multiply by 6.00

add both answers up

and see which one it is

its not A, B, or C

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3 years ago
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A survey of 100 people asked if they have a dog or a cat. The answers were: 56 people answered yes for dog and 51 people answere
den301095 [7]

Answer:  The maximum number of people who could answer yes for both cat and dog is 7.

Step-by-step explanation:  Given that a survey of 100 people asked if they have a dog or a cat.

Out of those 100 people, 56 people answered yes for dog and 51 people answered yes for cat. Some people may own neither and some people may own both animals.

We are to find the maximum number of people that could answer yes for both cat and dog.

Let A and B represents the set of people that answered Yes for dog and Yes for cat respectively.

Then, according to the given information, we have

n(A)=56,~~n(B)=51.

From Set Theory, we have

n(A\cup B)=n(A)+n(B)-n(A\cap B)\\\\\Rightarrow n(A\cup B)=56+51-n(A\cap B)\\\\\Rightarrow n(A\cup B)=107-n(A\cap B)~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~(i)

Since the total number of people is 100, so we get

n(A\cup B)\geq 100.

Therefore, from equation (i), we get

107-n(A\cap B)\geq 100\\\\\Rightarrow n(A\cap B)\leq 107-100\\\\\Rightarrow n(A\cap B)\leq 7.

Thus, the maximum number of people who could answer yes for both cat and dog is 7.

4 0
3 years ago
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Can someone help me prove this is a square? Please show all necessary work I paid a lot for this question
kolezko [41]

Answer:

ab  =   \sqrt{{2}^{2}  +  {6}^{2}} \\ ad  = \sqrt{{2}^{2}  +  {6}^{2}} \\ bc = \sqrt{{2}^{2}  +  {6}^{2}}  \\ cd = \sqrt{{2}^{2}  +  {6}^{2}}  \\

AB=AD=BC=CD => ABCD is square

8 0
3 years ago
What is the answer to 2/3 (x +2) -1/3(x-2)
Mrac [35]
2/3 (x+2) -1/3 (x-2)
= 2/3*x +2/3*2 -1/3x -1/3(-2) (distributive property)
= 2/3x + 4/3 -1/3x +2/3
= (2/3x -1/3x) + (4/3 + 2/3)
= 1/3x + 2

The final answer is 1/3x+2.

Hope this helps~
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