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Masja [62]
3 years ago
11

Is this correct if not what did i do wrong? im late to this ..

Mathematics
1 answer:
Fantom [35]3 years ago
5 0
If you’re suppose to use pi=3.14 then your answer is correct. but if they didn’t say to use pi as 3.14, then look at my working! hope this helps!

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Answer:

The fourth one I believe

Step-by-step explanation:

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What is coterminal angle
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Answer: Angles who share the same initial side and terminal sides.

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You earn $32 for washing 8 cars. How much do you earn for washing 7 cars?
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$28

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What is the excluded value? y2-y+5/y+4
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The given term is: \frac{ y^{2}-y+5 }{y+4} 

Since here, the numerator i.e. y^{2}-y+5 cannot be factorized. 

SO, the only excluded value is found on the basis of the denominator. The denominator should not be equal to 0, otherwise, the fraction will turn out to be zero.
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5 0
3 years ago
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The legs of an isosceles triangle measure ( 2 x^4 + 2 x − 1 ) units each. The perimeter of the triangle is ( 5 x^4 − 2 x^3 + x −
nirvana33 [79]

Answer:

The base is x^4 -2x^3 -3x-1

Step-by-step explanation:

We know the perimeter of a triangle is the sum of the three sides

P = s1+s2+s3

We know the perimeter is  5 x^4 − 2 x^3 + x − 3

and two of the legs are 2 x^4 + 2 x − 1  since it is an isosceles triangle

P = 2s1 + s3

Subtract 2s1 from each side

P-2s1 =2s1 +s3 -2S1

P -2s1 =s3

Substituting what we know

5 x^4 − 2 x^3 + x − 3 - 2(2 x^4 + 2 x − 1) = s3

Distribute the -2

5 x^4 − 2 x^3 + x − 3 - 4 x^4 -4 x + 2 = s3

Combine like terms

5 x^4-4x^4 − 2 x^3 + x  -4 x -3+ 2 = s3

x^4 -2x^3 -3x-1 =s3

The base is x^4 -2x^3 -3x-1

5 0
4 years ago
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