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vitfil [10]
3 years ago
5

After biking 5 ½ miles, Jada has travelled ⅔ of the length of her trip. How long is the entire length of her trip? Write an equa

tion for her situation and solve the problem
Mathematics
2 answers:
asambeis [7]3 years ago
8 0

Answer: 8.25 miles

Step-by-step explanation:

if 5.5 is 2/3 of the trip then half of 5.5, 2.75 ,is 1/3 of the trip. 2.75 x 3 = 8.25 miles

Rama09 [41]3 years ago
4 0

Answer:

Step-by-step explanation:

if 5.5 is 2/3 of the trip then half of 5.5, 2.75 ,is 1/3 of the trip. 2.75 x 3 = 8.25 miles

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Five more than a certain number is 11 less than double the number
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Answer:

The number is 16

Step-by-step explanation:

Five more than a certain number is 11 less than double the number

x+5 = 2x-11

11+5 = 2x-x

16 = x

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Sinx = 1/2, cosy = sqrt2/2, and angle x and angle y are both in the first quadrant.
Leviafan [203]

Answer:

Option D. 3.73​

Step-by-step explanation:

we know that

tan(x+y)=\frac{tan(x)+tan(y)}{1-tan(x)tan(y)}

and

sin^{2}(\alpha)+cos^{2}(\alpha)=1

step 1

Find cos(X)

we have

sin(x)=\frac{1}{2}

we know that

sin^{2}(x)+cos^{2}(x)=1

substitute

(\frac{1}{2})^{2}+cos^{2}(x)=1

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cos^{2}(x)=\frac{3}{4}

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step 2

Find tan(x)

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substitute

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step 3

Find sin(y)

we have

cos(y)=\frac{\sqrt{2}}{2}

we know that

sin^{2}(y)+cos^{2}(y)=1

substitute

sin^{2}(y)+(\frac{\sqrt{2}}{2})^{2}=1

sin^{2}(y)=1-\frac{2}{4}

sin^{2}(y)=\frac{2}{4}

sin(y)=\frac{\sqrt{2}}{2}

step 4

Find tan(y)

tan(y)=sin(y)/cos(y)

substitute

tan(y)=1

step 5      

Find tan(x+y)

tan(x+y)=\frac{tan(x)+tan(y)}{1-tan(x)tan(y)}

substitute

tan(x+y)=[1/\sqrt{3}+1}]/[{1-1/\sqrt{3}}]=3.73

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3 years ago
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It is going by two. So the answer is 16.
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