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3 years ago

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How do you graph X>=4y?

1 answer:

OLga [1]3 years ago

6 0

Answer:

$x\geq 4y\\y\leq \frac{x}{4}$

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A bar of metal is cooling from 1000°C to room temperature, 24°C. The temperature, H, of the bar t minutes after it starts coolin

motikmotik

Answer:

ggfddv3=4

Step-by-step explanation:

7 0

3 years ago

Find out the answers to this

meriva

Answer:

$\tan \theta = - \frac{1}{5} = - 0.2$

$\cos \theta = 0.98$

$\sin \theta = - 0.196$

Step-by-step explanation:

It is given that $\cot \theta = - 5$ and $\theta$ is in the fourth quadrant.

So, only $\cos \theta$ will have positive value and $\sin \theta$ , $\tan \theta$ will have negative value.

Now, $\cot \theta = - 5$

⇒ $\tan \theta = \frac{1}{\cot \theta} = -\frac{1}{5}$ (Answer)

We know, that $\sec^{2} \theta - \tan^{2} \theta = 1$

⇒ $\sec \theta = \sqrt{1 + \tan^{2} \theta } = \sqrt{1 + (- \frac{1}{5} )^{2} } = 1.019$

{Since, $\cos \theta$ is positive then $\sec \theta$ will also be positive}

⇒ $\cos \theta = \frac{1}{\sec \theta} = \frac{1}{1.0198} = 0.98$ (Answer)

We know, that $\csc^{2} \theta - \cot^{2} \theta = 1$

⇒ $\csc \theta = - \sqrt{1 + \cot^{2} \theta } = - \sqrt{1 + (- 5 )^{2} } = - 5.099$

{Since, $\sin \theta$ is negative then $\csc \theta$ will also be negative}

⇒ $\sin \theta = \frac{1}{\csc \theta} = \frac{1}{- 5.099} = - 0.196$ (Answer)

4 0

3 years ago

the length of a rectangle is 9 cm and the diagonal of the rectangle is 11 cm. Find the width of the rectangle

ss7ja [257]

Answer: The width is the square root of 40 or 6.32

Step-by-step explanation:

9^2 + b^2 = 11^2 where b squared is the width

81 + b^2 = 121

-81 -81

b^2 = 40

b= 6.32

7 0

3 years ago

A star-patterned quilt has a star with the angles shown. What is the value of x? The diagram is not to scale. - PLEASE HELP ASAP

aleksandr82 [10.1K]

it is c becuse i have has this on my test 2 days ago

4 0

3 years ago

Read 2 more answers

Josh examines the expression 5^-x over 5^x, where m is greater than 0.

DochEvi [55]

Answer:

Josh is wrong.

Step-by-step explanation:

5^-x / 5^x = 5^(-x-x) = 5^-2x

= 1 / 5^2x

(you subtract the exponents when dividing )

So Josh is wrong ( he would be correct if we were multiplying)

6 0

3 years ago

Read 2 more answers