5t-2r=25

solve for t.

Answers

Answer 1

Answer: Given 5t - 2r = 25

To solve for t,
first, we add 2r to both sides of the equation, to get

5t - 2r + 2r = 25 + 2r

5t = 25 + 2r

Next, we divide both sides of the equation by 5, to get

$t= (25+2r)/(5)$

Answer 2

Answer:

Answer:

t= \frac{25+2r}{5}

Step-by-step explanation:

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What is the multiplicative inverse of -0.4

Answers

It is -2.5 -- as you multiply them you'd get exactly positive 1.

Answer:

0.4

Step-by-step explanation:

Which set of three angles could represent the interior angles of a triangle?A:199, 709, 910
B:470, 120, 310
C:50°, 20° 20°
D:250, 250, 100%

Answers

C would be the correct answer

Answer: B

Step-by-step explanation:

Hi is this true or false? Help?

Answers

Answer:

False .

Step-by-step explanation:

Round 7 3/7 to the nearest whole number.

Answers

The anwser is 8 because 7 3/7 is hihger than 1/2

7 3/7 to the nearest whole number is 7.

Find the value of 5.8 ÷ 1.2.
A. 4.6
B. 6.96
C. 5.24
D. 4.83

Answers

Answer:

Answer would be D) 4.83

Step-by-step explanation:

Given : 5.8 ÷ 1.2.

To find : Find the value

Solution : We have given 5.8 ÷ 1.2.

W can write 5.8 ÷ 1.2 as $(58)/(10)*(10)/(12)$ .

Then $(58)/(12)$ .

On dividing both number by 12.

Number would 4.833.

Therefore, Answer would be D) 4.83

5.8 ÷ 1.2
58 ÷ 12
4.83
The answer is D.

An airplane is flying in still air with an airspeed of 475 miles per hour. The plane is climbing at an angle of 16°. Find the rate at which the plane is gaining altitude. (Round your answer to four decimal places.)

Answers

Rate of gaining altitude is ratio of height gained to time spent. The rate at which the plane is gaining altitude is 130.9 miles per hour.

How to measure the rate of change of something as some other value changes?

Suppose that we have to measure the rate of change of y as x changes, then we have:

$Rate = (y_2 - y_1)/(x_2 - x_1)$

where we have

$\rm when \: x=x_1, y = y_1\nwhen\: x = x_2, y= y_2$

Remember that, we divide by the change in independent variable so that we get some idea of how much the dependent quantity changes as we change the independent quantity by 1 unit.

(5 change per 3 unit can be rewritten as 5/3 change per 1 unit)

For the given case, the rate at which the plane is gaining altitude is the ratio of the height it gains per unit time(here per hour).

Referring to the diagram attached below, as he will walk 475 miles per hour(which is constant, this can be taken as hypotenuse's length.

The length BC is the height the plane gain each hour as he covers 475 miles in slantdirection.

Using the sin ratio, and measuring from the angle A, we get:

$\sin(A)= (|BC|)/(|AC|)\n\n\sin(16^\circ) = (|BC|)/(475)\n\n|BC| \approx 0.2756 * 475 \approx 130.9 \: \rm miles\n\n$

Thus, the height gained by plane per hour is 130.9 miles.

Rate of height gaining = (new height - old height)/(1 hour)

Rate of height gaining = (old height + 130.9 miles - old height)/1 hour

Rate of height gaining = 130.9 miles per hour.

This is the rate at which the plane is gaining altitude(since it is ratio of how much height it gains to how much time is spent gaining that height)

Hence, The rate at which the plane is gaining altitude is 131.1 miles per hour.

Learn more about trigonometric ratios here:

brainly.com/question/22599614

Answer:

130.9 miles per hour.

Step-by-step explanation:

sine 16 = x / 475 where x = rate of gaining altitude.

x = 475 sin 16

= 130.9 miles per hour.

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