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3 years ago

NEED HELP ASAP WILL MARK BRAINLIEST!!!!!!!!!!!!

Mathematics

1 answer:

olga2289 [7]3 years ago

3 0

Answer:

b) -2

Step-by-step explanation:

The equation is in the form

y= mx+b where m is the slope and b is the y intercept

y = -x-2

The slope is -1 and the y intercept is -2

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Work out the volume of this sphere 4.7cm

Damm [24]

Answer:

435cm³

is my answer correct?

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what is the 4.7cm the radius or circumference

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Step-by-step explanation:

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3 years ago

Anybody know the answer?

Marta_Voda [28]

Use the Pythagorean theorem:

$x^2+8^2=10^2\\\\x^2+64=100\ \ \ \ |-64\\\\x^2=36\to x=\sqrt{36}\\\\\boxed{x=6}$

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4 years ago

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jeyben [28]

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Step-by-step explanation:

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3 years ago

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Rus_ich [418]

Answer:

Step-by-step explanation:

angle = 38

opposite of angle = 15

hypotenuse = c

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sin utilizes both opposite and hypotenuse

thus,

sin(38) = 15/c

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4 0

2 years ago

Eliminate the x and y

sp2606 [1]

Step-by-step explanation:

Eliminate the x:

$\left\{\begin{array}{ccc}x-2y=6\\3x+y=4\end{array}\right\\\\\text{Multiply by (-3)}\\\\\left\{\begin{array}{ccc}-3(x-2y)=(-3)(6)\\3x+y=4\end{array}\right\\\\\underline{+\left\{\begin{array}{ccc}-3x+6y=-18\\3x+y=4\end{array}\right}\\.\qquad\qquad7y=-14\\.\qquad\qquad y=-2$

Eliminate the y:

$\left\{\begin{array}{ccc}x-2y=6\\3x+y=4\end{array}\right\\\\\text{Multiply by 2}\\\\\left\{\begin{array}{ccc}x-2y=6\\2(3x+y)=(2)(4)\end{array}\right\\\\\underline{+\left\{\begin{array}{ccc}x-2y=6\\6x+2y=8\end{array}\right}\\\\.\qquad7x=14\\.\qquad x=2$

7 0

3 years ago