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3 years ago

If a is 2 inches long, b is 5 inches long, and c is 12 inches long, what is the total volume of the two blocks?

Mathematics

1 answer:

Effectus [21]3 years ago

7 0

Answer:

ppppppppppppppppppppppppppppppppp

Step-by-step explanation:

bbbbbbbbbbbbbbbbbbbbbbbb

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An airplane is flying at a speed of 500 mi/h at an altitude of one mile. The plane passes directly above a radar station at time

d1i1m1o1n [39]

Answer:

a) $s=\sqrt{1+d^2}$

b)d(t)=500t

c) $s(t) =\sqrt{1+250000t^2}$

Step-by-step explanation:

d = Horizontal distance

s = the distance between the plane and the radar station

The horizontal distance (d), the one mile altitude, and s form a right triangle.

So, use Pythagoras theorem

$Hypotenuse^2=Perpendicular^2+Base^2$

$s^2=1^2+d^2$

a) $s=\sqrt{1+d^2}$

(b) Express d as a function of the time t (in hours) that the plane has flown.

$distance = speed \times time$

d(t)=500t

$s(t) =\sqrt{1+d^2}$

using b

$s(t) =\sqrt{1+(500t)^2}\\s(t) =\sqrt{1+250000t^2}$

6 0

3 years ago

Solve for r. 35r-21<-35r+19

Mnenie [13.5K]

Good morning ☕️

Answer:

$r < \frac{4}{7}$

Step-by-step explanation:

35r-21 < -35r+19

⇌ 35r + 35r < 19 + 21

⇌ 70r < 40

⇌ r < 40/70

⇌ r < 4/7

_________________________

5 0

4 years ago

A rectangle is 2/5 in. long and 1/3 in. wide.<br><br><br><br> What is the area of the rectangle?

Aloiza [94]

The area of the rectangle is 1/3 * 2/5=2/15 inches
please mark as brainliest

7 0

3 years ago

Read 2 more answers

Which of these numbers is an irrational numbers

Aliun [14]

Answer:square root of 25 square root of 4

Step-by-step explanation:

8 0

3 years ago

I have to find the circumference of 15 cm

Pie

Answer:

r = 2.39 and C=2πr=2·π·2.39≈14.99997

Step-by-step explanation:

Using the formula

C=2πr

Solving for r=C 2π=15

2·π≈2.38732

and then u round up the 7 told the 8 to go up.

2.39

7 0

3 years ago