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Darina [25.2K]
3 years ago
14

Frank's father came home from San Francisco by airplane. He had to wait 1 hour and 45 minutes at the airport in San Francisco. T

hen Frank's father had to wait another 35 minutes while the plane was in Portland. How long did Frank's father spend waiting?
Mathematics
1 answer:
Nezavi [6.7K]3 years ago
6 0

Answer:

Frank's father waited 140 minutes all together

Step-by-step explanation:

Sorry if I'm wrong :/

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For number 42 what's the equation b.h/2 ? What do we do for x
sergij07 [2.7K]
Notice the picture below

thus, we know the total area is 70 square meters
now, if we add those areas, it should give us 70
thus

(5x)+(40)+(5x)=70   solve for "x"

6 0
3 years ago
A force of 3 pounds acts in the direction of 42 degrees to the horizontal. The force moves an object along a straight line from
EastWind [94]

Answer:

11.37 lb-ft

Step-by-step explanation:

We are given that

Force,F=3 pounds

\theta=42^{\circ}

Let Point  A (3,7)  and point B(8,8)

We have to find the work done by the force.

d==

r=\mid d\mid=\sqrt{x^2+y^2}=\sqrt{5^2+1^2}=\sqrt{26} feet

We know that Work done by the force

W=Frcos\theta

Substitute the values

W=3\times \sqrt{26}cos42=11.37 lb-ft

Hence, the work done by the force =11.37 lb-ft

6 0
3 years ago
Al fotocopiar una credencial, primero se amplia al triple y posteriormente la copia resultante se reduce a la mitad. ¿Cual es el
ad-work [718]
Using google translate: 
When photocopying a credential, it is first enlarged to triple and subsequently the resulting copy is halved. What is the final effect on the original credential? If the credentials is a rectangle of 10 by 6 cm. What area will you have in the first photocopy? And in the second?

Original: 10 by 6 cm  ;  Area = length * width = 10 x 6 = 60 cm²

first copy: enlarged to triple
10 x 3 = 30 
6 x 3 = 18
30 x 18 = 540 cm²

second copy: halved
30 x 1/2 = 15
18 x 1/2 = 9
15 x 9 = 135 cm²


7 0
3 years ago
the volume of the prism is 1122 cubic inches. use the formula V = BH to find the h of the prism. B= 93.5in.
Crank
V = Bh  ⇒  
h = V/B = 1122 / 93.5 = 12 inches.
3 0
3 years ago
Let U be a square matrix such that Upper U Superscript Upper TUequalsI. Show that det Uequalsplus or minus1. Assume that Upper U
bogdanovich [222]

Answer:

See explaination

Step-by-step explanation:

Please kindly check attachment for the step by step solution of the given problem.

4 0
3 years ago
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