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Sav [38]
3 years ago
8

Answer circled questions, please

Mathematics
2 answers:
sergiy2304 [10]3 years ago
5 0
Here are my answers, hope it helps :)

Harlamova29_29 [7]3 years ago
3 0

#1: 4(x + 3)

We just have to distribute the 4 throughout the rest of the problem. So, (4 times x) + (4 times 3) = 4x + 12

#2: -7(4 - y)

This is the same concept, but with a negative sign at the front. So, (-7 times 4) - (-7 times y) = -28 + 7y

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A steep mountain is inclined 75 degree to the horizontal and rises 3900 ft above the surrounding plain. A cable car is to be ins
maria [59]

Answer: 4004.76\ ft

Step-by-step explanation:

Given

inclination is \theta=75^{\circ}

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Cable is tied x=910\ ft from the base of the mountain

From the figure, length of the shortest path is l

It is given by using Pythagoras theorem

\Rightarrow l^2=3900^2+910^2\\\Rightarrow l=\sqrt{(3900)^2+(910)^2}\\\Rightarrow l=4004.76\ ft

7 0
2 years ago
Please help ASAP-Nov 19 I need it for a test
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3 years ago
Which ordered pair is a solution of the equation y=7x-2
umka2103 [35]

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7 0
3 years ago
Find the value of the greater root of x2 - 13x + 12 = 0.
JulsSmile [24]
The answe has to be d
4 0
3 years ago
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A truck driver drove 300 miles in 6 3/4 hours. How many miles per hour did the driver drive?
Andru [333]
44.4 miles per hour. You just divide 300 and 6.75 (Think as the 3/4 as quarters each 1 is .25)  then you will get 44.4. To check your answer you would multiply 44.4 and 6.75 and get 299.7. This is not 300 but when you round that .7 to the nearest 10 you will get 300. Hope this helped.<span />
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3 years ago
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