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geniusboy [140]
3 years ago
12

He following equation. 2x – 12 = 5 What is the answer

Mathematics
2 answers:
julia-pushkina [17]3 years ago
7 0

Answer:

x=\frac{17}{2} or x=8.5\\

Step-by-step explanation:

Move all terms not containing  x  to the right side of the equation.

2x = 17

Divide each term by  2  and simplify.

x = 17/2

x = 8.5

<em>good luck, hope this helps :)</em>

PIT_PIT [208]3 years ago
6 0
At 12 to 5! (It’s positive adding because there is a subtraction symbol before 12!)
which ends up being 17
so now we have:
2x = 17
now we are going to divide 2 from 17 to make X have no numbers next to it
17/2= 8.5
so your answer is x = 8.5 !
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Plzz help on Question B nd C plzz​
Katarina [22]

Answer:

see explanation

Step-by-step explanation:

(b)

The roots of f(x) = 0 are the values of x on the x- axis at the points where the graph crosses, that is

x = - 1 and x = 3

(c)

f(0) is the point on the y- axis where the graph crosses, that is 3, thus

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3 0
4 years ago
Small cubes with edge lenghts of 1/4 will be packed into the rectangular prism how many small cubes will be needed to completley
Olegator [25]

Answer:

9216

Step-by-step explanation:

number of small cubes that would fill the prism = volume of prism / volume of small cubes

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3 x 6 x 8 = 144

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144 ÷ 1/64

144 x 64 = 9216

6 0
3 years ago
Now look at this information
jeka94

Answer:

4

Step-by-step explanation:

Given

2y + 3 ≤ 11 ( subtract 3 from both sides )

2y ≤ 8 ( divide both sides by 2 )

y ≤ 4

Since y has to be less than or equal to 4

Then the largest value y could be is 4

4 0
3 years ago
Two times the width of a certain rectangle exceeds its length by three inches, and eight times its length is twelve more than it
yan [13]
Perimeter is the sum of all sides of a shape. For a rectangle, it is the sum of the two lengths and two width measurements. We set up the equations as follows:

l = 2w - 3

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8l -12 = l - 3 + 2l
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3 0
3 years ago
The given line passes through the points (0, −3) and (2, 3).
Alex Ar [27]
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</span>\bf \begin{array}{ccccccccc}&#10;&&x_1&&y_1&&x_2&&y_2\\&#10;%  (a,b)&#10;&&(~ 0 &,& -3~) &#10;%  (c,d)&#10;&&(~ 2 &,& 3~)&#10;\end{array}&#10;\\\\\\&#10;% slope  = m&#10;slope =  m\implies &#10;\cfrac{\stackrel{rise}{ y_2- y_1}}{\stackrel{run}{ x_2- x_1}}\implies \cfrac{3-(-3)}{2-0}\implies \cfrac{3+3}{2-0}\implies 3
<span>
so, we're really looking for a line whose slope is 3, and runs through -1, -1

</span>\bf \begin{array}{ccccccccc}&#10;&&x_1&&y_1\\&#10;%  (a,b)&#10;&&(~ -1 &,& -1~)&#10;\end{array}&#10;\\\\\\&#10;% slope  = m&#10;slope =  m\implies 3&#10;\\\\\\&#10;% point-slope intercept&#10;\stackrel{\textit{point-slope form}}{y- y_1= m(x- x_1)}\implies y-(-1)=3[x-(-1)]&#10;\\\\\\&#10;y+1=3(x+1)<span>
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8 0
4 years ago
Read 2 more answers
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