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3 years ago

On Friday night, Suzie babysat her cousin for 3

Mathematics

1 answer:

Temka [501]3 years ago

5 0

$47 on Saturday. 47/4= $11.75 per hour on Saturday.

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An angle t is drawn from the center of the unit circle. Find a formula in terms of t for the straight line distance d between th

Doss [256]

Answer:

$d = \sqrt{2}\cdot \sqrt {1-\cos t - \sin t}$

Step-by-step explanation:

Let suppose that one of the radii meets the circle at the point (1,0). The straight line distance formula is:

$d = \sqrt{(\cos t - 1)^{2}+(\sin t - 1)^{2}}$

$d = \sqrt{(\cos^{2}t - 2\cdot \cos t + 1)+(\sin^{2}t - 2\cdot \sin t + 1)}$

$d = \sqrt{2-2\cdot (\cos t + \sin t )}$

$d = \sqrt{2}\cdot \sqrt {1-\cos t - \sin t}$

5 0

3 years ago

PLEASE HELP ME!!!!!!!!!!!!!!!!!!!!!!!!!!!

Olin [163]

Answer:

sorry i dont understand either

Step-by-step explanation:

4 0

3 years ago

Read 2 more answers

Supposr you're making a soup that uses 5 cups of chicken broth and 3/4 teaspoons of corn starch for 8 servings. You need to make

Svet_ta [14]

Answer:

The answer is C, 7.5 cups

Step-by-step explanation:

You can calculate the relationship between 8 and 12 (12/8) which is simplified as 3/2 and then multiply 3/2 by 5.

8 0

3 years ago

Need help on this too

Alexxandr [17]

The answer is B
Deductive reasoning

8 0

3 years ago

Write the equation of the line with a slope of 2 that passes through the points -2,-7 and 5,7

lubasha [3.4K]

Answer:

Therefore the equation of the line through ( -2 , -7 ) and ( 5 , 7 ) is

2x - y = 3

Step-by-step explanation:

Given:

Slope = 2 = m ( say )

Let,

point A( x₁ , y₁) ≡ ( -2 , -7 )

point B( x₂ , y₂) ≡ ( 5 , 7 )

To Find:

Equation of Line AB =?

Solution:

Equation of a line passing through Two points A( x₁ , y₁) and B( x₂ , y₂)is given by the formula,

$(y - y_{1} )=(\frac{y_{2}-y_{1} }{x_{2}-x_{1} })\times(x-x_{1}) \\$

Equation of a line passing through a points A( x₁ , y₁) and i having slope m is given by the formula,

$(y - y_{1} )=m\times(x-x_{1}) \\$

Substituting the given values in a above equation we get

$(y-(-7))=2\times (x-(-2))\\ \\(y+7)=2(x+2)\\\\(y+7)=2x+4\\2x-y=3\\2x-y=3...............\textrm{which is the required equation of the line AB}$

Therefore the equation of the line through ( -2 , -7 ) and ( 5 , 7 ) is

2x - y = 3

8 0

3 years ago