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Nataly [62]
3 years ago
15

A system of linear equations is shown below.

Mathematics
1 answer:
Drupady [299]3 years ago
5 0

Answer: D.5 and 2

because (-3;5) is a solution to the system of equations

\left \{ {{-3p+5q=-5} \atop {-3p-5q=-25}} \right.\\\\\left \{ {{-3p=-15} \atop {5q=10}} \right.\\\\\left \{ {{p=5} \atop {q=2}} \right.

Step-by-step explanation:

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Complete the missing value/help?
blagie [28]

What it is basically asking is if Y = -4, find the value of x in the equation 6x + 7y = 4x + 4y

To solve this you just need to plug in -4 for y and solve for x

6x + 7(-4) = 4x + 4(-4)

6x - 28 = 4x - 16

Now isolate x by adding 28 to both sides

6x - 28 + 28 = 4x - 16 + 28

6x = 4x + 8

and subtract 4x from both sides

6x - 4x = 4x - 4x + 8

2x = 8

divide both sides by 2

2/2x = 8/2

x = 4

x = 4, y = -2

Answer: (4, - 2)

Hope it helps :)

Bransliest would be appreciated

5 0
3 years ago
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Identify the correct solution for the expression:<br> −10 + (−16) − 10
Katen [24]

Answer:=-36

Step-by-step explanation:

7 0
3 years ago
Find the derivative of y= 1 / x​
givi [52]

Answer:

dy/dx = -1/x^{2}

Step-by-step explanation:

y = 1/x

dy/dx = d/dx(1/x)

=> dy/dx = d/dx(x^{-1})

=> dy/dx = -x^{-2}

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6 0
3 years ago
I need help on my homework
soldi70 [24.7K]

Answer:

\displaystyle m\angle AED=32.5^\circ

Step-by-step explanation:

<u>Angles in a Circle</u>

An exterior angle of a circle is an angle whose vertex is outside a circle and the sides of the angle are secants or tangents of the circle.

Segments AE and DE are secants of the given circle. They form an exterior angle called AED.

The measure of an exterior angle is equal to half the difference of the measure of their intercepted arcs.

Intercepted arcs in the given circle are AD=113° and BC=48°. The exterior angle is:

\displaystyle m\angle AED=\frac{AD-BC}{2}

\displaystyle m\angle AED=\frac{113^\circ-48^\circ}{2}=\frac{65^\circ}{2}

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8 0
3 years ago
The number of Liters remaining in a 100 Liter tank that is draining at a rate of 4 Liters per minute for m
serg [7]

Answer:

Big fella

Step-by-step explanation:

100-4 x m

3 0
3 years ago
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