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erik [133]
2 years ago
9

Solve for X 3(-2x-1)=2(x+5)

Mathematics
2 answers:
fredd [130]2 years ago
5 0
U need to use the distributive property ok? The u have to add or subtract the number on both sides bring it down and the you have to divide
fenix001 [56]2 years ago
4 0

Answer:

3(-2x-1) = 2(x+5)

-6x-3 = 2x+ 10

-13 = 8x | :8

-13/8 = x

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A gym owner has some purple weights and some white weights. The purple weights are 10 kilograms each, and the white weights are
snow_lady [41]

Answer: 3,9

Step-by-step explanation:

Given

A gym owner has purple and white weights that measure 10 kg and 6 kg each

respectively.

They weigh 84 kg in total

suppose there x purple and y white weights

\therefore x+y=12\quad \ldots(i)\\\Rightarrow 10x+6y=84\quad \ldots(ii)\\\\\text{Solving }(i)\ \text{and }(ii)\\\\

x=3,\ y=9

Thus, there are 3 purple and 9 white weights.

8 0
2 years ago
Describe how to transform the graph of f(x) = x2 to obtain the graph of the related function g(x).
olga55 [171]

9514 1404 393

Answer:

  1. left 1 unit
  2. down 2 units

Step-by-step explanation:

The transformation g(x) = f(x -h) +k is a translation of f(x) to the right by h units and up k units.

1. h = -1, so the graph of g(x) is the graph of f(x) shifted left 1 unit. (blue)

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2. k = -2, so the graph of g(x) is the graph of f(x) shifted down 2 units. (green)

6 0
2 years ago
Find the area of the rectangle is x² + 7x + 12. if its breadth is (x + 3), then find its length.​
miv72 [106K]

Answer:

the length.​ is : x+4

Step-by-step explanation:

x² + 7x + 12  = (x+3)(x+4)

the length.​ is : x+4

6 0
3 years ago
Read 2 more answers
What is the equation of the trend line in the scatter plot ?
Leto [7]

Answer:

5

Step-by-step explanation:

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6 0
2 years ago
A trapeziodal pyramid has a volume 2856insquared the height of the pyramid is 24in and the lengths of the 2 two bases of the tra
zalisa [80]
V = 1/3Bh
B = 1/2(b1 + b2)t

V = 1/3[1/2(b1 + b2)t] * h
h = 24
b1 = 13
b2 = 29
t = ?
V = 2856

Substitute:
2856 = 1/3[1/2(13 + 29)t](24)
2856 = 1/6(42)(24)t
2856 = 7(24)t
2856 = 168t
t = 2856/168 = 17 in height of the trapeziod
8 0
3 years ago
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