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Dmitry [639]
2 years ago
7

How many solutions does 3 ( +5 )=13+2 have

Mathematics
1 answer:
castortr0y [4]2 years ago
6 0
So you would do 13+2 then add 3 then plus that by five
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What is the answer to this question?
Vlada [557]

2A on 2A + 3B + 3C = 8 pieces

The probability:

\dfrac{2}{8}=\dfrac{2:2}{8:2}=\dfrac{1}{4}

\dfrac{1}{4}=\dfrac{1}{4}\cdot100\%=25\%

<h3>Answer: 25%</h3>
4 0
3 years ago
Write an equation parallel to the line
Schach [20]
The easiest way to find a parallel equation is to write your equation in slope-intercept form. The general equation for slope-intercept form is y = mx + b, where m = the slope of the equation, b = the y intercept, and x and y are your variables.

You're given 5x + 10y = -4. 
1) Move 5x to the right side by subtracting 5x from both sides:
5x + 10y = -4
10y = -5x - 4

2) Divide both sides by 10 to get y by itself on the left. Simplify:
10y = -5x - 4\\&#10;y = - \frac{5}{10} x -  \frac{4}{10} \\&#10;y = - \frac{1}{2}  x -  \frac{2}{5}



<span>Remember that for parallel lines, the slope, m, is the same for both equations. You can make the y-intercept, b, whatever number you want.

When the equation is in slope-intercept form, </span>y = - \frac{1}{2} x - \frac{2}{5}, you can see that m =  - \frac{1}{2}. 

A parallel equation is in the form: 
y = - \frac{1}{2} x + b

Plug in anything you want for b. One example is: y = - \frac{1}{2} x + 3

-------

Answer: y = - \frac{1}{2} x + 3 (just one example)



7 0
3 years ago
Read 2 more answers
In a child's bank are 11 coins that have a value of S1.85. The coins are either
Karo-lina-s [1.5K]

Answer:

The child has 6 dimes and 5 quarters.

Step-by-step explanation:

Let q and d represent the number of quarters and of dimes respectively.

Then q + d = 11 (Equation A), and ($0.25/quarter)q + ($0.10/dime)d = $1.85 (Equation B).

Multiply the 2nd equation by 100 to remove the decimal fractions:

25q + 10d = 185 (Equation C)

Now multiply the 1st equation by -10 to obtain -10q - 10d = -110 (Equation D), and combine this result with Equation C:

-10q - 10d = -110

25q + 10d = 185

--------------------------

15q         = 75, and so q = 75/15 = 5.

According to Equation A, q + d = 11.  Replacing q with 5, we get:

5 + d = 11, and so d = 6.

The child has 6 dimes and 5 quarters.

4 0
3 years ago
What is the equation, in slope-intercept form, of the line that is perpendicular to the line
nexus9112 [7]

Hello:<span>
the equation is : y = ax+b
the slope is a : a×(-3/2) = -1......( perpendicular to a line with a slope of -3/2)
a = 2/3        y=(2/3)x+b
the line that passes through (-2, -2) : -2 = (2/3)(-2)+b
b = -2/3
<span> the equation is :  y  = (2/3)x-2/3</span></span>

3 0
3 years ago
Read 2 more answers
A principal of $3500 is invested at 3.75% interest, compounded annually. How much will the investment be worth after 12 years? R
Thepotemich [5.8K]
Use the compound amount formula:

A = P*(1+r/n)^(nt)

Here,

A = $3500*(1+0.0375/12)^(12*12) =  $5485.24
4 0
3 years ago
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