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ira [324]
3 years ago
15

What is the solution to the equation 3 square root x+4+3 square root 2x+8=0? x = –12 x = –4 x = 4 x = 12

Mathematics
1 answer:
Gre4nikov [31]3 years ago
3 0

Answer:

x=-4

Step-by-step explanation:

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4 0
3 years ago
Alex is creating an outdoor structure out of two 12 foot boards. The boards must have an angle of elevation
Whitepunk [10]

Answer:

5.0 ft - 5.6 ft

Step-by-step explanation:

Given that the structure is to be made using two 12 foot boards, then we expect the total perimeter to be equal to (2*12)= 24 ft.

Using the angle of elevation, 40° and the width of 8 ft then you can apply the formula for tangent of a triangle where ;

Tan α = opposite side length/adjacent length

Tan 40°= h/8

h= 8 tan 40° = 6.71 ft

Applying the cosine of an angle formula to find the length of the sliding side

Cosine β = adjacent length /hypotenuse

Cosine 40°= 8/ sliding side length

sliding side length = 8/cosine 40° =10.44 ft

Checking  the perimeter = 10.44 +8+6.71= 25.15 ft

This is more than the total lengths of the boards, so you need to adjust the height as;

24 - 18.44 = 5.56 ft ,thus the height should be less or equal to 5.56 ft

h≤ 5.6 ft

6 0
3 years ago
in the previous problem , ken predicted a drop in temperature . Explain why a drop in temperature would lead to adding a negativ
Rufina [12.5K]

Answer:

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Step-by-step explanation:

4 0
3 years ago
Read 2 more answers
A car travels along a hill inclined 12º with the horizontal for a distance of 1200 feet. What is the horizontal distance travele
ANTONII [103]

Answer:

the horizontal distance traveled by the car during this time is 812

Step-by-step explanation:

7 0
3 years ago
Is (4,3) a solution to the inequality graph below? Why or why not? I need help plz don’t upload files
Studentka2010 [4]

Answer:

yes

Step-by-step explanation:

Go to x=4 and y= 3

It is in the shaded area to it is a solution

7 0
3 years ago
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