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3 years ago

13

Please help. Find the value for x to the nearest tenth. See picture.

1 answer:

kogti [31]3 years ago

5 0

To me the answer is 6.4 and welcome get a good grade

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Using the numbers -4,10, 8, 2, -3, -5 , create two expreasioms that equal 6

timama [110]

I would say take 2 from eight which equals 6

5 0

3 years ago

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How do you do this? I can't remember

Hitman42 [59]

14.75 depending on if the model is 8 & the actual is 1 in the 1:8 scale factor because you would just multiply the actual by 8 because it is the scale factor. the answer could also be .23 is the model is 1 & the actual is 8 because you would divide the actual by 8! hope this helps!!

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3 years ago

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Solve the simultaneous equation :<br><br> 4x+2y=17<br> 3x+2y=14

enot [183]

Answer:

(x, y) = (3, 5/2)

Step-by-step explanation:

$4x+2y=17\\3x+2y=14$

I'll solve by elimination here. If you invert the second equation and add it to the first, 2y and -2y would cancel out.

$4x+2y=17\\-(3x+2y=14)$

Now just add those from top to bottom.

$\rightarrow (4x-3x)+(2y-2y)=17-14\\\rightarrow x=3$

Nothing else needs to be done for that part. Now, you can pick either equation and use the known value of x to solve for y.

$4x+2y=17\\\rightarrow 4(3)+2y=17\\\rightarrow 12+2y=17\\\rightarrow 2y=5\\\rightarrow y=\frac{5}{2}$

(x, y) = (3, 5/2)

6 0

2 years ago

Again, math is my worst subject.

UNO [17]

No it is not the worst subject

7 0

3 years ago

What is the height of a triangle with an area of 192 square centimeters and

ikadub [295]

Answer:

$Height=16\,cm$

Step-by-step explanation:

Area of a triangle :

$\dfrac{1}{2}\times Base \times height$

For,

$Area=192\,cm^2\\\\Base=24\,cm$

$192=\dfrac{1}{2} \times 24 \times Height\\\\192= 12\times Height\\\\Height=\dfrac{192}{12} \\\\Height=16\,cm$

The height of the triangle is: $16\,cm$

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3 years ago

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