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2 years ago

If the scale is 2inches = 5miles. What is the amount of miles in 4 inches?

Mathematics

1 answer:

LUCKY_DIMON [66]2 years ago

6 0

Answer:

D. 10 miles

Step-by-step explanation:

As you know 2 inches=5miles so if you add 2 more inches that is equal to 5 miles you will have to add 5 and 5 which equal 10 miles.

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Suppose a river flows south to north at a velocity of 1 m/s, and a motorboat traverses the river from east to west at a speed of

irina1246 [14]

Answer: $24^{\circ}$

Step-by-step explanation:

Given

River is flowing from south to North with a velocity of $u=1\ m/s$

Motor boat traverses the river from east to west at a speed of $v=2.5\ m/s$

South component of boat velocity must compensate the river velocity in order to travel in west direction.

$\therefore v\sin \theta=u\\\\\Rightarrow 2.5\sin \theta=1\\\\\Rightarrow \sin \theta=\dfrac{2}{5}\\\\\Rightarrow \theta=23.57^{\circ}\approx 24^{\circ} \text{south of west}$

5 0

3 years ago

Use the quadratic formula to find the solutions to the quadratic equation

777dan777 [17]

Answer:

It will have complex and different roots.

Step-by-step explanation:

The solution is attached in the image below:

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4 years ago

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Lynn can type 60 words per minute. If she types for 30 minutes, how many words does she type in all?

Crazy boy [7]

Answer:1800 words

Step-by-step explanation:

Multiply how many words per minute she types by how many minutes she types. In this case 60x30=?. The easy way to do this is drop the 2 zeros and do 6x3=18. In the original equation we dropped the 2 zeros. Now we add them back on the back of the 18 and get 1800.

7 0

3 years ago

Solve for x, in terms of y: 2 3 x + 1 5 y = 2

satela [25.4K]

Answer:

(2/3)x - (1/5) y = 10. to solve for x in terms of y: (2/3)x - (1/5) y = 10. (2/3)x = 10 + (1/5)y. x = (10 + (1/5)y)(3/2). x = 15 + 3/10 y. if y = 0; x = 15. to solve for y in terms ...

Step-by-step explanation:

6 0

3 years ago

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1,000 POINTS!!!!!!!!! I NEED HELP ASAP

babunello [35]

Answer:

x ≥ -4

Step-by-step explanation:

-3x + 2 ≤ 14

Subtract 2 from each side

-3x+2-2 ≤ 14-2

-3x ≤ 12

Divide each side by -3 . Remember that dividing by a negative flips the inequality.

-3x/-3 ≥12/-3

x ≥ -4

7 0

3 years ago