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Allushta [10]
3 years ago
13

Which equation has the solution to x = 3?

Mathematics
2 answers:
masya89 [10]3 years ago
8 0
It is letter (D). that’s because if you plug in 3 for the x’s like 5(3)-9=6 that is the only equation that will give you the answer that’s already there while A,B,C don’t give you the same answers that they already have. All you have to do is plug in the 3 to every x and from there you go on. I hope you get it.
Setler79 [48]3 years ago
4 0
C duqsbhsjsudhddhisbdfisjbsidjsbd
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Solution or not a solution<br><br> and because
tamaranim1 [39]

Step-by-step explanation:

X + Y = -3

X + 3x +5 = -3

X=-2

X+Y=-3

Y=-3+2

Y=-1

5 0
3 years ago
A company that manufactures video cameras produces a basic model and a deluxe model. Over the past year, 40% of the cameras sold
VikaD [51]

Answer:

(9)(9) = .013. (53). 2. A company that manufactures video cameras produces a basic model and a deluxe model. In the past, 40% of cameras sold have been the basic model. Of those basic models sold, 30% of purchasers buy the extended warranty as well. Of the deluxe models sold, 50% purchase the extended warranty,.

3 0
3 years ago
For the function x^2+8x+7<br> evaluate f(4)
taurus [48]

Answer:

I think you would have to plug in 4 as X so it would be 4^2 +8(4)+ 7

that would be 16+ 32 +7 and that would equal 55

4 0
3 years ago
If measure 5 = x, which angles have a measure of 180 - x? select all that apply
N76 [4]

Answer:

Step-by-step explanation:

175 is the answer I don’t feel like working it out

8 0
4 years ago
Gabriel wants to paint the model. How
enyata [817]

Answer:

<h2>The area of the base is 144 square inches.</h2><h2>The area of each triangular face is 66 square inches.</h2><h2>Grabiel needs 408 square inches of paint.</h2>

Step-by-step explanation:

The complete problem is attached.

Notice that the figure is a square pyramid, where its base dimensions are 12 inches by 12 inches, which represents an area of

B=12 \times 12 = 144 \ in^{2}

The slant height of the pyramid is 11 inches, which allow us to find the area of each triangle face

A=\frac{1}{2}bh =\frac{1}{2}(12)(11)= 66 \ in^{2}

But there are four triangle faces, so A_{faces} =4(66)=264 \ in^{2}.

Therefore, the area of each triangular face is 66 square inches.

So, the total surface area would be the sum

S=144+264=408 \ in^{2}

Therefore, Gabriel needs 408 square inches to paint the whole model.

4 0
3 years ago
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