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Rama09 [41]
2 years ago
9

Find the x-intercept and y-intercept of the line. 7x+5y=-15

Mathematics
1 answer:
riadik2000 [5.3K]2 years ago
5 0

Answer:

The x-intercept is (-2 1/7, 0).

The y-intercept is (0, -3).

Step-by-step explanation:

To find the y-intercept, substitute x with zero.

To find the x-intercept, substitute y with zero.

Finding the y-intercept by substituting x with zero:

7*0 + 5y = -15

5y = -15

y = -3

The y-intercept is (0, -3).

Finding the x-intercept by substituting y with zero:

7x + 5*0 = -15

7x = -15

x = -15/7

x = -2 1/7

The x-intercept is (-2 1/7, 0).

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3 years ago
The base of a triangle is nine centimeters longer than the perpendicular height. If the area of the triangle is 180 square centi
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<em>The base is 24 cm long.</em>

Step-by-step explanation:

<u>Equations</u>

Let's call

b= base of the triangle

h=height of the triangle

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b = h + 9

The area of the triangle is:

\displaystyle A=\frac{bh}{2}

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And its value is 180:

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Multiplying by 2:

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3 years ago
Which expression does NOT simplify to 1?
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Read 2 more answers
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