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Nonamiya [84]
3 years ago
10

What is the equation in standard form of y=5/8x-9

Mathematics
1 answer:
LuckyWell [14K]3 years ago
3 0
-5/8x+y=-9
...............
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Find the equation line through point (-4,15) and (4,-5)
Oduvanchick [21]
Answer highlighted in blue. Hope this helps.
8 0
2 years ago
What is the sum of the solutions of the equation 1.5x^2 - 2.5x -1.5 = 0? Round to the nearest hundredth. ​
BARSIC [14]

Answer:

Sum = 1.67

Step-by-step explanation:

Given:

1.5x^2 - 2.5x -1.5 = 0

Required

Determine the sum of the solutions

This question will be answered using quadratic formula:

x = \frac{-b\±\sqrt{b^2 - 4ac}}{2a}

Where:

a = 1.5

b = -2.5

c = -1.5

So, we have:

x = \frac{-(-2.5)\±\sqrt{(-2.5)^2 - 4*1.5*-1.5}}{2*1.5}

x = \frac{2.5\±\sqrt{6.25 +9}}{3}

x = \frac{2.5\±\sqrt{15.25}}{3}

x = \frac{2.5\±3.91}{3}

x = \frac{2.5+3.91}{3} or x = \frac{2.5-3.91}{3}

The sum of the solution is then calculated as:

Sum = \frac{2.5+3.91}{3} + \frac{2.5-3.91}{3}

Take L.C.M

Sum = \frac{2.5+3.91+2.5-3.91}{3}

Sum = \frac{5}{3}

Sum = 1.67

5 0
3 years ago
Martin is two years younger than three times his daughter Ada’s age. The sum of their ages is 54. If Ada’s age is given by a, th
Igoryamba

Answer:

  • Martin is 40 and Ada is 14

Step-by-step explanation:

  • Martin's age = m
  • Ada's age = a

<u>Martin is two years younger than three times his daughter Ada’s age:</u>

  • m = 3a - 2

<u>The sum of their ages is 54:</u>

  • m + a = 54

<u>Solving this equation for m:</u>

  • m = 54 - a

<u>Eliminate m:</u>

  • 3a - 2 = 54 - a

<u>Solve for a:</u>

  • 3a + a = 54 + 2
  • 4a = 56
  • a = 56/4
  • a = 14

<u>Find m:</u>

  • m = 54 - 14 = 40

Martin is 40 and Ada is 14

8 0
3 years ago
One number is 2 more than another. If four times the larger number decreased by the smaller number is equal to 32,what are the n
Vanyuwa [196]
The numbers would be 8 and 10
4 0
3 years ago
What is 26% of 125? (10 points)
melisa1 [442]
32.5...
125x26 = 3250 divided by 100 = 32.5
hope this helps!
6 0
3 years ago
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