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Sonja [21]
4 years ago
5

Explain what the FIRST STEP is to solve a system of equations like the one below algebraically.

Mathematics
1 answer:
sergij07 [2.7K]4 years ago
7 0

Answer:

transposition method

Step-by-step explanation:

it helps to find that value of y

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What are the intercepts of the line -5x-4y=10
Trava [24]
  • Slope-Intercept Form: y = mx + b, with m = slope and (0,b) as the y-intercept.

So starting with the y-intercept, the easiest method to find it is to convert this standard form equation to slope-intercept form. Firstly, add 5x to both sides:

-4y=5x+10

Next, divide both sides by -4 and your slope-intercept form is y=-\frac{5}{4}x-\frac{5}{2}

Looking at this slope-intercept form, <u>the y-intercept is (0, -5/2).</u>

Now to find the x-intercept, just set the y-variable to zero and solve:

-5x-4*0=10\\-5x=10\\x=-2

<u>Our x-intercept is (-2,0).</u>

4 0
4 years ago
Enter the equation of the line in slope-intercept form.
likoan [24]

Equation parallel to y = -x is y=-x+k

so 4.5 = -7 + k so k - 11.5

Equation is y = -x + 11.5

3 0
4 years ago
Dan has a conical lamp shade with an altitude of 6 inches and a diameter
Luda [366]

Answer:

226.22 in^2

Step-by-step explanation:

Given data

Height l= 6in

Diameter= 12in

Radius= 12/2= 6in

The expression for the total surface area of a cone is given as

TSA= πrl+πr^2

substitute

TSA= 3.142*6*6+3.142*6^2

TSA= 113.112+113.112

TSA= 226.22 in^2

Hence the TSA is 226.22 in^2

7 0
3 years ago
If you have 23,230 dollars how many more do you need to get to 85,325
svet-max [94.6K]

Answer:

62,095

Step-by-step explanation:

5 0
3 years ago
-7= y/7? Solve the Equation.
never [62]

y = -49

multiply 7 on both sides

-7*7 = y/7*7

-49 = y

5 0
3 years ago
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