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AleksandrR [38]
3 years ago
12

Hi pls help this is timed

Mathematics
1 answer:
natka813 [3]3 years ago
5 0
What’s the question
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Step-by-step explanation:

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Find the value of "a" if you knew the perimeter was 47 meters long. Here is the experssion 7a-2
Aneli [31]
That isn’t right I don’t think, if a was 47 then it would be wayyyy bigger of a number. You are finding how 7a-2 is 47. First add 2 to both sides making it 7a=49
7 times what is 49?
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3 years ago
Find the value of X below
KatRina [158]
The answer should be x=100
3 0
2 years ago
What is the value of​ x?
olchik [2.2K]

Answer:

x = 4 sqrt(2)

Step-by-step explanation:

This is a right triangle so we can use trig functions

sin theta = opp/ hypotenuse

sin 45 = 4/x

Multiply x to each side

x sin 45 = 4/x *x

x sin 45 = 4

Divide each side by sin 45

x sin 45 / sin 45 = 4 /sin 45

x = 4/ sin 45

We know sin 45 = sqrt(2)/2

x = 4/ sqrt(2) /2

x = 8/ sqrt(2)

We do not leave a sqrt in the denominator so multiply by sqrt(2)/ sqrt(2)

x = 8/ sqrt(2) * sqrt(2)/sqrt(2)

x = 8 * sqrt(2) /2

x = 4 sqrt(2)

3 0
3 years ago
Read 2 more answers
What point divides the directed line segment ​ AB¯¯¯¯¯ ​ ⁢ into a 3:1 ratio?
Paha777 [63]

Answer:

Just took the test and got the correct answer :)))

Step-by-step explanation:

Look at the image down below!!

3 0
3 years ago
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