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zubka84 [21]
3 years ago
7

Solution to 3x+5y=-20

Mathematics
2 answers:
Wewaii [24]3 years ago
7 0
Answer: 20


3x+5y=-20

5y=-20divide

answer is x=-4

3x=-20 divide

the answer is y=-20



I hope this helps and have a wonderful day filled with joy!!

zloy xaker [14]3 years ago
3 0

3x+5y=-20

5y=-20divide

the answer is x=-4

3x=-20 divide

the answer is y=-20

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What's the midpoint of a line segment joining the points (5, –4) and (–13, 12)?
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Answer:

The midpoint of the line segment is located at (-4, 4).

Step-by-step explanation:

We're given the coordinate points of a line that can help us find the midpoint.

The midpoint formula for a line is written as:

\bullet \ \ \ \displaystyle\big(\frac{x_1+x_2}{2}, \frac{y_1+y_2}{2}\big)

Additionally, we are given the coordinate points (5, -4) and (-13, 12). We can use these and label them with the (x, y) system so we can substitute them into the formula.

In math, a coordinate pair is written as (x, y). This is where cos = x and sin = y. If we are given two coordinate pairs, we can label them with the (x, y) system but also incorporating a subscript to distinguish the two x-values from each other as well as the y-values. We do this by turning the two x-values into x₁ and x₂ and the y-values follow the same protocol: y₁ and y₂.

Therefore, we can label our two coordinates:

<u>(5, -4)</u>

  • x₁ = 5
  • y₁ = -4

<u>(-13, 12)</u>

  • x₂ = -13
  • y₂ = 12

Now, we can place these values into the midpoint formula and simplify to find our midpoint.

Recall that the midpoint formula is:

\bullet \ \ \ \displaystyle\big(\frac{x_1+x_2}{2}, \frac{y_1+y_2}{2}\big)

Therefore, let's substitute these values.

\displaystyle\big(\frac{x_1+x_2}{2}, \frac{y_1+y_2}{2}\big)\\\\\\\big(\frac{5 + (-13)}{2}, \frac{(-4)+12}{2}\big)\\\\\\\big(\frac{-8}{2}, \frac{8}{2}\big)\\\\\\\boxed{(-4, 4)}

Therefore, the midpoint of the line segment is located at (-4, 4), which is Option A.

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3 years ago
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irinina [24]
If it is perpendicular to the axis, then a circle. If it is at an angle, then an ellipse. If it is parallel to the axis, then two parallel lines. These aren't mine but I hope they help you
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3 years ago
Charlie's eraser has a mass of 9 grams. How many milligrams is the eraser?
Vadim26 [7]

Answer:

9000 milligrams

Step-by-step explanation:

One gram is the <em>equivalent of 1000 milligrams</em>.

So, <em>9 grams is 9*1000 milligrams</em>, which is 9000 milligrams.

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3 years ago
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(x^4)^3=(x^3)^4 true or false
telo118 [61]

Step-by-step explanation:

(x^4)^3=(x^3)^4 , true

=> x^(4×3) = x^(3×4) = x^12

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y^5 x y^0/y^3=(y^2)^1 , true

y^5 x y^0/y^3 = y^(5+0-3) = y^2

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q^0 x q^5/q^2=(q^3)^2/q^3, true

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gulaghasi [49]

Answer:

D. f(x) is shifted up 1 unit to g(x).

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Just let's look at the y-intercept of each function.

f(0) = 0

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Also remember that a vertical shift of N units is written as:

g(x) = f(x) + N

where if N is positive, the shift is upwards, and if N is negative, the shift is downwards.

then we can write, for the particular value x = 0

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