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4 years ago

Please help asap 20 pts

Mathematics

2 answers:

Sloan [31]4 years ago

8 0

D. If you were to solve for x, the x values you would get would be 1.3743 and -1.3743.

UkoKoshka [18]4 years ago

5 0

This is a quadratic equation. Isolate the x to find the answer:

$9x^2=17 \\ x^2= \frac{17}{9} \\ x= \sqrt{ \frac{17}{9} } \\ x=+1.37,-1.37$

You can substitute the values as x to ensure the answer is correct.

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Middle school Math!!!

makvit [3.9K]

Y=1x+2 (you don’t have to write the 1 in front of the x so you can write it as y=x+1)

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3 years ago

Find the center and radius of the circle. Show all work

Alona [7]

The center is (-1, -2) and the radius of the circle is 5.

<h3>What is the equation of a circle?</h3>

The circle equation formula refers to the equation of a circle which represents the center-radius form of the circle.

A circle can be represented as;

$\rm (x-h)^2+(y-k)^2=r^2$

Where; h and k are the center of the circle r is the radius of the circle.

The given equation of the circle is;

$\rm (x+1)^2+(y+2)^2=25$

Comparing both the equations;

$\rm (x+1)^2+(y+2)^2=25\\\\\rm (x+1)^2+(y+2)^2=5^2\\\\h = -1\\\\k = -2\\\\r^2=5^2\\\\r=5$

Hence, the center is (-1, -2) and the radius of the circle is 5.

Learn more about circle here;

brainly.com/question/11833983

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3 0

2 years ago

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Expression of "three fifths of a number b subtracted from thrice the same number" into mathematical symbol

liubo4ka [24]

Answer:

3b - $\frac{3}{5}$ b

Step-by-step explanation:

Let the number be "b"

So the expression would be:

3b - $\frac{3}{5}$ b

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3 years ago

What's the first step of solving -x^2-4x+16=0 ??? NOW!

MaRussiya [10]

Answer:

Step-by-step explanation:

Use the Quadratic Formula.

-x² - 4x + 16 = 0

x = [4±√(4²-4(-1)(16)]/[2(-1)] = [4±√80]/(-2) = [4±4√5]/(-2) = -2±2√5

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3 years ago

1 1/8+42/3. COMMON DENOMENATOR???

bearhunter [10]

Answer:

a common denominator would be 21 bc 8 x 3 = 21

Step-by-step explanation:

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3 years ago

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