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3 years ago

Solve for a 21a+17+15a=-48

Mathematics

1 answer:

Veseljchak [2.6K]3 years ago

5 0

I hope this helps you

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Evaluate −6 − (−4). (1 point)

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Answer:

-2

Step-by-step explanation:

-6+4

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4 years ago

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In ΔEFG, the measure of ∠G=90°, GF = 33, FE = 65, and EG = 56. What ratio represents the sine of ∠F?

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The ratio of the sine of

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3 years ago

Find the value of x. Leave answers if necessary in the simplest radical form.

shtirl [24]

Answer:

<u>Step-by-step explanation:</u>

cos 45° = base / hypotenuse

1/√2 = base / 15√2

15√2 = base√2

Base, = 15

sin 60° = perpendicular / hypotenuse

hypotenuse = x

√3/2 = 15 / x

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3 years ago

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Determine if the function represented by the table is linear.

anygoal [31]

Answer:

You can tell if a table is linear by looking at how X and Y change. If, as X increases by 1, Y increases by a constant rate, then a table is linear.

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3 years ago

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PLEASE HELP!!! <br> Solve the quadratic equation by completing the square.

kow [346]

The values of x in the quadratic equation using completing the square method are $x=-4 \pm \sqrt{5}$ .

Given information:

The quadratic equation is $x^2+8x+11=0$ .

It is required to factorize the given quadratic equation using completing the square method.

<h3>How to factorize a quadratic equation?</h3>

Use completing the square method to solve the equation as,

$x^2+8x+11=0\\(x)^2+2(x)(4)+4^2-4^2+11=0\\( (x)^2+2(x)(4)+4^2)-4^2+11=0\\(x+4)^2-16+11=0\\(x+4)^2=5\\(x+4)=\pm \sqrt{5} \\x=-4 \pm \sqrt{5}$

Therefore, the values of x in the quadratic equation using completing the square method are $x=-4 \pm \sqrt{5}$ .

For more details about quadratic equation, refer to the link:

brainly.com/question/2263981

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2 years ago