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N76 [4]
3 years ago
7

FR.EE POINTS HAVE A GOOD DAY 100PTS :)

Mathematics
2 answers:
marissa [1.9K]3 years ago
7 0

Answer:

Oh My God Thank you so much amd God bless You !!!

Law Incorporation [45]3 years ago
5 0

Answer:

Thank u so much have a good day too

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If 3(x - 4) = x + 4, then x =8
Greeley [361]

Answer:

Valid

Step-by-step explanation:

3(x-4)=x+4              <em>Given</em>

3x-12=x+4                <em>Distribute</em>

2x=16<em>                      Subtract x from both sides and add 12 to both sides</em>

x=8                           <em>Divide each side by 2.</em>

<em>  </em>

<em />

6 0
3 years ago
Plz help quickly no time only I need the answer
user100 [1]

Answer:

the second one  

Step-by-step explanation:

4 0
2 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
Kate buys 12 pounds of apples each pound costs $3 if she gives the cashier two $20 billls
34kurt
12x3=36
40-36=4
Answer $4
3 0
3 years ago
Read 2 more answers
Brittany has a gift box in the shape of a cube. Each side of the box measures 15 cm. what is the volume of the gift box?
miss Akunina [59]
The formula for the volume of a cube is:

v=s³

Where v=volume and s=the length of a side

Since we know that the length of a side of the gift box is 15cm, we can solve for the volume.

v=15³=3375cm³

Answer: V=3375cm³
7 0
3 years ago
Read 2 more answers
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