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Aliun [14]
3 years ago
13

Help me with this math problem...

Mathematics
1 answer:
devlian [24]3 years ago
6 0

Answer:

x=11

Step-by-step explanation:

2x + 40 = 62

      -40   -40

2x= 22

/2     /2

x=11

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A prism's volume is given by the expression 6k2 – 13k + 5. The area of the base of the prism is 2k – 1. Which expression represe
zloy xaker [14]
The expression for the height is (3k - 5)
Factorise the equation 6k^2 - 13k + 5
One is given : (2k-1). When factorising, you must make sure that you are obtaining the given equation.
Here, to get 6k^2, 2k is multiplied with 3k. The other factor is (3k-x)
Now, let's find x. From the factors (2k-1) (3k-x) how to obtain 13k?? Simple...
3k×-1 + 2k×x = 13k
-3k + 2kx = 13k
-3k + 2k(-5) = -3k + -10k = 13k
So the other expression is (3k-5) which is the height.
3 0
4 years ago
Read and write the number in two other forms. five hundred sixty-one thousand, thirty-eight
Ede4ka [16]
One form is 561,038
the other is 500,000+60,000+1000+30+8
hope i helped

4 0
3 years ago
PLEASE HELP ME I REALLY NEED HELP ON THIS QUESTION!!!!\
Vinil7 [7]

Answer:

total \: earning \: in \: a \: week \:  \\  = 14 \times  \frac{77}{2}  \\  = 7 \times 77 \\  = 539 \\ now \: pay \: for \: her \: friend \\ 539 \times  \frac{1}{5}  = 107.8

5 0
3 years ago
Enter the decimal equivalent of 6/8​
ikadub [295]

Answer:

.75

Step-by-step explanation:

6/8 can be simplified to 3/4, if that helps.

3 0
3 years ago
In the xy coordinate plane the slope of line p 1/2 and it’s x-intercept is -3. Find the equation of a line that is perpendicular
Marat540 [252]
<h2>Answer:y=-2x+6</h2>

Step-by-step explanation:

Let m_{1} be the slope of the given line and m_{2} be the slope of the new line.

given,m_{1}=\frac{1}{2}.

Since,the given line and the new line are perpendicular,

m_{1}m_{2}=-1

So,m_{2}=-2

It is given that the new line passes through x-intercept of the given line.

The x-intercept of the given line is (-3,0)

The equation of the line passing through (x_{1},y_{1}) and slope m is y-y_{1}=m(x-x_{1})

So,the line is y-0=-2(x+3)

y=-2x-6

6 0
3 years ago
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