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3 years ago

8

chloe wants to build a storage container in the shape of a cube to hold 15.625=s3 to find the length of one side of the containe

r

1 answer:

SVETLANKA909090 [29]3 years ago

3 0

I posted an image instead.

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Is 55 miles per hour a unit rate ?

sveticcg [70]

Answer: wait I was wrong I saw thinking about something else

yes that is a unit rate.

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3 years ago

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Question 16 (Essay Worth 7 points)<br><br> Verify the identity.<br><br> tan (x + π/2) = -cot x

Rus_ich [418]

Step-by-step explanation:

We know that tan=sin/cos, so tan(x+π/2)=

$\frac{sin(x+pi/2)}{cos(x+pi/2)}$

Then, we know that sin(u+v)=sin(u)cos(v)+cos(u)sin(v),

so our equation is then

$\frac{sin(x)cos(\pi/2)+cos(x)sin(\pi/2)}{cos(x+\pi/2)} = \frac{cos(x)}{cos(x+\pi/2) }$

Then, cos(u+v)=cos(u)cos(v)-sin(u)sin(v), so our expression is then

$\frac{cos(x)}{cos(x)cos(\pi/2)-sin(x)sin(\pi/2)} = \frac{cos(x)}{-sin(x)} = -cot(x)$

6 0

3 years ago

Brian made 5 free throws at basketball practice. ethan scored 3 more than twice the number of free throws brian made. which equa

Hatshy [7]

Lets Brian => b and Ethan => e so
b=5
e=3+2b
will be the equation of finding free throws.

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3 years ago

Add and simplify 1/8 5/8

skelet666 [1.2K]

1+5=6 so 6/8

Simplifying 6/8 is 3/4

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3 years ago

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How do you solve the equation by factoring or square roots<br> Ex: x^2-4x=0

Lubov Fominskaja [6]

$x^2-4x=0\\
x(x-4)=0\\
x=0 \vee x=4$

-------------------------------------------------

$3x^2=48\\
x^2=16\\
x=-4 \vee x=4\\\\
\hbox{or}\\\\
3x^2-48=0\\
3(x^2-16)=0\\
3(x-4)(x+4)=0\\
x=4 \vee x=-4$

3 0

3 years ago