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2 years ago

I need help! this is missing

Mathematics

2 answers:

mr Goodwill [35]2 years ago

6 0

Answer:

top right

Step-by-step explanation:

if you solve an equation for a triangle using this method you'll get this result

son4ous [18]2 years ago

6 0

Bottom right
explanation:
pythagorean theorem is used for right triangles. a² + b² = c²
the legs are a & b and the hypotenuse is c

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A jet travels 4648 miles against the wind in 8 hours and 5368 miles with the wind in the same amount of time. What is the rathe

stich3 [128]

Answer:

The rate of the jet in still air is 738 mph and the rate of the wind is 90 mph

Step-by-step explanation:

Check: (738+90)*6 = 648*6 = 3888 mike's against the wind

(738-90)*6 = 828*6 = 4968 miles with the wind

3 0

3 years ago

A ball is thrown into the air by a baby alien on a planet in the system of Alpha Centauri with a velocity of 43 ft/s. Its height

Lina20 [59]

Answer:

Instantaneous Velocity at t = 1 is 20 feet per second

Step-by-step explanation:

We are given he following information in the question:

$y(t)=43t-23t^{2}$

B) Instantaneous Velocity at t = 1

$y(1) = 43(1)-23(1)^2 = 20$

A) Formula:

Average velocity =

$\displaystyle\frac{\text{Displacement}}{\text{Time}}$

1) 0.01

$y(1 + 0.01)=y(1.01) = 43(1.01)-23(1.01)^{2} = 19.9677\\\\\text{Average Velocity} = \dfrac{y(1.01)-y(1)}{1.01-1} =\dfrac{19.9677-20}{1.01-1}= \dfrac{-0.0323}{0.01} = -3.230000 \text{feet per second}$

2) 0.005 s

$y(1 + 0.005)=y(1.005) = 43(1.005)-23(1.005)^{2} = 19.984425\\\\\text{Average Velocity} = \dfrac{y(1.005)-y(1)}{1.005-1} =\dfrac{19.984425-20}{1.005-1} = -3.1150000 \text{feet per second}$

3) 0.002 s

$y(1 + 0.002)=y(1.002) = 43(1.002)-23(1.002)^{2} = 19.993908\\\\\text{Average Velocity} = \dfrac{y(1.002)-y(1)}{1.002-1} =\dfrac{19.993908-20}{1.002-1} = -3.0460000 \text{feet per second}$

4) 0.001 s

$y(1 + 0.001)=y(1.001) = 43(1.001)-23(1.001)^{2} = 19.996977\\\\\text{Average Velocity} = \dfrac{y(1.001)-y(1)}{1.001-1} =\frac{19.996977-20}{1.001-1} = -3.0230000 \text{feet per second}$

3 0

3 years ago

Monica walks every day for exercise at a rate of 1 km every 20 minutes at this rate how many meters can Monica walk in one hour

olga nikolaevna [1]

There are three 20 minutes in an hour so she can travel 3 km in an hour
1 km = 1000m so 3km = 3000m she can walk 3000m in an hour

5 0

3 years ago

Read 2 more answers

<img src="https://tex.z-dn.net/?f=%20%5Cfrac%7B3%7D%7B4%7D%20of%20%5C%3A%20rs1" id="TexFormula1" title=" \frac{3}{4} of \: rs1"

Lady_Fox [76]

Answer:

75 paise

Step-by-step explanation:

We know that 1 rs = 100 paise

So, solving the expression gives -

$\frac{3}{4} \times 100 = 3 \times 25 = 75 \: paise$

3 0

3 years ago

What is the rate of change from x = 0 to x = pi over 2?

12345 [234]

Answer:

8/pi

Step-by-step explanation:

To find the rate of change from 0 to pi/2 we need the values at 0 and pi/2

f(0) = -4

f(pi/2) = 0

rate of change = change in f(x)/ change in x

= (f(x2) -f(x1))/( x2-x1)

= (0--4) / (pi/2 - 0)

= (0+4) / (pi/2)

= 4 / (pi/2)

= 8/pi

4 0

3 years ago