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Neko [114]
3 years ago
14

Find X and Y 2x-2y=6

Mathematics
1 answer:
gregori [183]3 years ago
3 0
X=3 pretty sure
Hope this helps!!
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Need some help! With any of the questions
Vadim26 [7]

Answer:

For 12 I think AB is 38

Step-by-step explanation:

8 0
3 years ago
Find a formula for the described function. an open rectangular box with volume 9 m3 has a square base. express the surface area
Maru [420]

Let

x--------> the length side of the square base

h--------> the height of the box

we know that

<u>the volume of the box is equal to</u>

V=x^{2} *h\\ V=9\ m^{3}

so

x^{2} *h=9\\\\h=\frac{9}{x^{2} }

<u>the surface area of the box is equal to</u>

SA=area\ of\ the\ base+perimeter\ of\ base*height (remember that the box is open)

area of the base=(x^{2})\ m^{2}

Perimeter of the base=(4*x)\ m

height=(h) m

h=\frac{9}{x^{2}}

substitute

SA=x^{2} +4*x*h\\ \\ \\ SA=x^{2} +4*x*\frac{9}{x^{2} } \\ \\ SA=x^{2} +\frac{36}{x}

we know that

the value of x can not be negative and the denominator can not be zero

therefore

<u>the answer is</u>

the domain of  SA is x> 0

the domain is the interval-------------> (0,∞)

6 0
2 years ago
Please help, Geometry I have NO idea how to do this. Both Pictures! (#36, #37) WILL MARK BRAINLIEST!
aliya0001 [1]
1) The definition of a scalene triangle is that ALL sides are different.
    Now, to prove a triangle is scalene, we need to show that all three sides output different values. Therefore, selections with only two sides certainly are insufficient. If we look at the last two choices, you can easily spot that the second to the last is correct answer by comparing the definition of a scalene triangle.

2) You will need to perform something similar to the previous questions, which is, find the distance between the three points, and see if they are all different => scalene; all the same => equilateral; or two of them are the same => isosceles. 

The distance formula between two points (a, b) and (c,d) is given as:
distance = \sqrt{ (a-c)^{2} +  (b-d)^{2} }

Just for you to check your work, the distances between three points are:
sqrt(34), sqrt(17), sqrt(37), which results a scalene triangle.

5 0
2 years ago
SOLVE FOR L:. ( -7.4 ) + L = 9.11
kaheart [24]

(-7.4) + L = 9.11

Add 7.4 to both sides.

L = 16.51

4 0
3 years ago
Read 2 more answers
Write an equation in slope-intercept form given the point and the slope. Then graph the equation.
liq [111]

Answer:

y=-3/4x+5.5

Step-by-step explanation:

5 0
3 years ago
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