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kotykmax [81]
3 years ago
12

Please please help me!!

Mathematics
1 answer:
ElenaW [278]3 years ago
8 0
Hey you can go on Gauthmath it will have more people online to help you
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A line passes through (-1, 7) and (2,10) which equation is the equation of the line? -x y=12 -x y=8 -3x y=16 -3x y=4
notka56 [123]
Equation of a line through two points is given by y - y1 = ((y2 - y1)/(x2 - x1))(x - x1)
y - 7 = ((10 - 7)/(2 - (-1)))(x - (-1))
y - 7 = (3/(2 + 1))(x + 1)
y - 7 = 3/3 (x + 1)
y - 7 = x + 1
-x + y = 1 + 7
-x + y = 8
6 0
3 years ago
Which is a diagonal through the interior of the cube?
Andrei [34K]

Answer:

Since ABCD is a top face cube

EFGH is a buttom face cube

Now

Diagonal through interior is:

Side AG,CE,FD&BH

So your answer is:

<u>Side C E</u>

<u>Side C ESide D F</u>

5 0
3 years ago
Given f(x) = 2x² + 8x - 4 and g(x) = 5x +6, find 3f(x) – 2g(x).
myrzilka [38]

Step-by-step explanation:

When the problem says 3f(x), it means that you are multiplying f(x) by 3. The same goes for 2g(x).

3(2x^2+8x-4)= 6x^2+24x-12

2(5x+6) = 10x+12

Now, we subtract f(x) from g(x) after being multiplied.

(6x^2+24x-12)-(10x+12)

6x^2+14x-24

7 0
3 years ago
Both the average flow rate and average flow time of a process are increased by 50%. what will be the percentage change
Ronch [10]
50/50 or 50:50
Hope this helps

8 0
3 years ago
The playground at a park is shaped like a trapezoid the dimensions what is the area of the playground in square feet
Maru [420]

Answer:

Area = 1560ft^2

Step-by-step explanation:

Given

See attachment for playground

Required

Determine the area

The playground is a trapezoid. So;

Area = \frac{1}{2}(Sum\ parallel\ sides) * Height

From the attachment, the parallel sides are: 68ft and 36ft

The height is: 30ft

So, the area is:

Area = \frac{1}{2}(68ft + 36ft) * 30ft

Area = \frac{1}{2}(104ft) * 30ft

Area = 52ft * 30ft

Area = 1560ft^2

5 0
3 years ago
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