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3 years ago

12

A submarine dives 750 feet every 5 minutes and 4,500 feet every 30 minutes. Find the constant rate at which the submarine dives.

Enter your answer in feet per minute and feet per hour. The submarine dives feet per minute. The submarine dives feet per hour.

1 answer:

Anna35 [415]3 years ago

4 0

Answer:

150 feet per minute

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What is the solution for <br> 10+2w>=22 or 5w-8>-12

Marina CMI [18]

Answer:

no solution

Step-by-step explanation:

10+2w>=22 or 5w-8>-12

10-2w>=22 or (5w-2w)-8>-12

10>=22 or 3w+8>12

18>=22 or 3w>12

18/3>=22 or 3w/3>12

6>=22 or w>12

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2 years ago

Doughnuts at one shop cost £2.20 each. Doughnuts at a second shop cost 25% more. What is the difference in the cost of doughnuts

Zanzabum

Answer:

0.55

Step-by-step explanation:

diference= 25/100*2.20=0.55

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3 years ago

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What is the solution to 6x=30

Tasya [4]

Answer:

$\boxed{x=5}$

Step-by-step explanation:

Division property of equality- is dividing both sides of an equation by the same non-zero number it does not change the equation.

First you had to divide by six from both sides of an equation form.

$\frac{6x}{6}= \frac{30}{6}$

$30/6=5$

$30/5=6$

$5*6=30$

$6*5=30$

$x=5$

$5=x$

Final answer: $\boxed{x=5}$

Hope this helps!

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Solve for T <br> Please Need Help

lara [203]

Answer:

$T = \frac{6b+4}{R}$

Step-by-step explanation:

$B=\frac{RT-4}{6}$

$6B=RT-4$ (times 6 on both sides)

$6B+4=RT$ (add 4 to both sides)

$\frac{6B+4}{R} = T$ (divide R on both sides)

thus

$T = \frac{6b+4}{R}$

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3 years ago

Select all the correct answers.

Vlad1618 [11]

Answer:

The measure of reference angle is $30^{\circ}$ .
$\cos \theta=\frac{\sqrt{3}}{2}$

Step-by-step explanation:

Converting $\theta$ to degrees,

$\theta=\left(\frac{11\pi}{6} \right) \left(\frac{180}{\pi} \right)=330^{\circ}$

This means $\theta$ lies in Quadrant 4, and thus its reference angle is $360^{\circ}-330^{\circ}=\boxed{30^{\circ}}$

Since $\theta$ lies in the fourth quadrant, $\sin \theta$ and $\tan \theta$ are negative.

Since $\theta$ lies in the fourth quadrant, $\cos \theta$ is positive, and is equal to $\cos (30^{\circ})=\boxed{\frac{\sqrt{3}}{2}}$

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2 years ago