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3 years ago

What is -3.5 divided by 0.05

Mathematics

2 answers:

Marta_Voda [28]3 years ago

5 0

Answer:

-70 is the correct answer

Mariana [72]3 years ago

4 0

Answer:

-70

Step-by-step explanation:

Use the signs of division -(9.5/.05)

Divide the numbers

Hope it helps!

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Unit rate 3 inches of rain in 6 hours

Neporo4naja [7]

Answer:

It is either 1.5 inches per hour or 1 inch in 2/3 hours. I also think 1:3

Step-by-step explanation:

Three inches in six hours is equivalent to 0.5 inches per hour.

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2 years ago

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Q3: Identify the graph of the equation and write and equation of the translated or rotated graph in general form. (Picture Provi

natta225 [31]

Answer:

b. circle; $2(x')^2+2(y')^2-5x'-5\sqrt{3}y'-6 =0$

Step-by-step explanation:

The given conic has equation;

$x^2-5x+y^2=3$

We complete the square to obtain;

$(x-\frac{5}{2})^2+(y-0)^2=\frac{37}{4}$

This is a circle with center;

$(\frac{5}{2},0)$

This implies that;

$x=\frac{5}{2},y=0$

When the circle is rotated through an angle of $\theta=\frac{\pi}{3}$ ,

The new center is obtained using;

$x'=x\cos(\theta)+y\sin(\theta)$ and $y'=-x\sin(\theta)+y\cos(\theta)$

We plug in the given angle with x and y values to get;

$x'=(\frac{5}{2})\cos(\frac{\pi}{3})+(0)\sin(\frac{\pi}{3})$ and $y'=--(\frac{5}{2})\sin(\frac{\pi}{3})+(0)\cos(\frac{\pi}{3})$

This gives us;

$x'=\frac{5}{4} ,y'=\frac{5\sqrt{3} }{4}$

The equation of the rotated circle is;

$(x'-\frac{5}{4})^2+(y'-\frac{5\sqrt{3} }{4})^2=\frac{37}{4}$

Expand;

$(x')^2+(y')^2-\frac{5\sqrt{3} }{2}y'-\frac{5}{2}x'+\frac{25}{4} =\frac{37}{4}$

Multiply through by 4; to get

$4(x')^2+4(y')^2-10\sqrt{3}y'-10x'+25 =37$

Write in general form;

$4(x')^2+4(y')^2-10x'-10\sqrt{3}y'-12 =0$

Divide through by 2.

$2(x')^2+2(y')^2-5x'-5\sqrt{3}y'-6 =0$

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3 years ago

PLEASE help!! I need help with this quick!!!! I partly know how to do this, but not 100%. Use the linear combination method to s

ira [324]

Add the equations in order to solve for the first variable. PLug this value into the other equations in order to solve for the remaining variables.
The answer is:
(2, -3)

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3 years ago

16. For any two integers a and b, (a + b)2 = a² + b2<br> true or false

il63 [147K]

Answer:

false is the answer ........

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3 years ago

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A store charges $280 for a coat. This price is 40 percent more than the amount it cost the store to buy the coat. At the end-of-

GuDViN [60]

280 * 0.6 = 168
168 is the amount it cost the store to buy the coat.
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3 years ago