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2 years ago

Scuba diver dives at a rate of 20 ft./min. If the diver starts at the surface what is the depth of the diver after 4 minute

Mathematics

1 answer:

Paraphin [41]2 years ago

6 0

Answer:

80 ft

Step-by-step explanation:

Distance = rate x time. Therefore, 20 ft / min x 4 min = 80 ft.

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No one helped me with the last question but i got it can someone help me with this

andriy [413]

y = 2x

Step-by-step explanation:

The linear functions are given by:

y = mx+b

To find the slope, we have to find the change in x and y

The change in x is:

$-14-(42) =-14+42 =28\\14+14= 28$

The change in y is:

$-28-(-84) = -28+84 = 56\\28-(-28) = 28+28 = 56$

The slope is:

$Slope = \frac{change\ in\ y}{Change\ in\ x}\\=\frac{56}{28}\\= 2$

Putting slope in equation of linear function

$y =2x+b$

To find the value of b, we will put any pair of input and output in the slope-intercept form

So, putting (14,28)

$28 = 2(14) + b\\28 = 28+b\\b = 28-28\\b = 0$

Hence,

the linear equation for function is:

y = 2x

Keywords: Linear function, slope intercept form

Learn more about linear function at:

#LearnwithBrainly

5 0

2 years ago

Renting a movie from a redbox costs $1.29 each night, plus a one time fee of $.50. How much would it cost for three nights?

den301095 [7]

Take $1.29 times 3(number of nights) and add $.50 = $4.37

4 0

2 years ago

Read 2 more answers

Rick serves his community as a firefighter. he works for a full 24 hours and then is off for the next 48 hours before his next 2

Mrac [35]

Answer: D. $24.30

Step-by-step explanation:

I'm not completely sure.

7 0

2 years ago

Read 2 more answers

On a coordinate plane, 2 lines are shown. Line A B has points (negative 4, negative 2) and (4, 4). Line C D has points (0, negat

klasskru [66]

Answer:

Option A) They are parallel because their slopes are equal.

Step-by-step explanation:

We are given the following in the question:

Line AB:

(-4, -2), (4,4)

Line CD:

(0,-3), (4,0)

Formula to calculate slope =

$(x_1, y_1), (x_2, y_2)\\\\\\text{Slope} = m = \dfrac{y_2 - y_1}{x_2 - x_1}$

Slope of AB =

$(-4, -2), (4,4)\\\\m_{AB} = \dfrac{4-(-2)}{4-(-4)} = \dfrac{6}{8} = \dfrac{3}{4}$

Slope of CD =

$(0,-3), (4,0)\\\\m_{CD} = \dfrac{0-(-3)}{4-0} = \dfrac{3}{4}$

Thus,

$m_{AB} = m_{CD}$

Thus, the two lines are parallel.

Option A) They are parallel because their slopes are equal.

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2 years ago

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Please answer this question right now

Westkost [7]

Answer:

6) c

7) d

Step-by-step explanation:

6) 25 + 15= 40

40+35=75

Php. 75

7) 29•3=87

150-87=63

Php. 63

Hope this helps!

6 0

3 years ago