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timofeeve [1]
3 years ago
15

Solve using the Quadratic Formula. 3x2 + 2x + 1 = 0

Mathematics
1 answer:
Crazy boy [7]3 years ago
8 0

Answer:

Hi! The correct answer is x= -7/2

Step-by-step explanation:

Solve the rational equation by combining expressions and isolating the variable x.

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Write the equation Y=mx+b Not just the rate of change
Andreas93 [3]

Answer:

y=2/5x+8/5

Step-by-step explanation:

so say you plot a graph of rain against the hours the gradient would be the rate of change and the information given as your points and the gradient

now to get an equation of a straight line use one of your points eg(1,2) and the gradient or rate of change mine was 0.4

8 0
3 years ago
If the radius of the circle was doubled what effect would it have on the area
ch4aika [34]

Answer:

Step-by-step explanation:

If the radius of a circle is doubled, the area of the circle will be quadrupled and the circumference will also be doubled. This makes sense because the area of a circle is directly proportional to the square of the radius of the circle (if the radius of a circle is increased x times, its area will be increased to x^2 times the original area), whereas the circumference is proportional to the size of the radius (if the radius of a circle is increased x times, its circumference will increase x times).

5 0
3 years ago
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A regular polygon
olga55 [171]

Answer:

3.6° = ext. angle

Step-by-step explanation:

For the shape to be a regular polygon, all interior angles must be congruent.

We can find every interior angle by using the formula:

\frac{180(n-2)}{n}

\frac{180(100-2)}{100}

\frac{180(98)}{100}

\frac{17640}{100}

176.4 = each int. angle

We also know that int. and ext. angles are supplementary!

180 = 176.4 - x

3.6° = ext. angle

5 0
3 years ago
Find the solution of given expression !!<br><br><img src="https://tex.z-dn.net/?f=%20%5Csqrt%7B36%20%5Ctimes%204%7D%20" id="TexF
Law Incorporation [45]

\huge{ \mathfrak{  \underline{ Answer }\:  \:  ✓ }}

Let's Solve :

  • \sqrt{36 \times 4}

  • \sqrt{2 \times 2 \times 3 \times 3 \times 2 \times 2}

  • 2 \times 3 \times 2

  • 12

Therefore, the correct answer is 12

_____________________________

\mathrm{ ☠ \: TeeNForeveR \:☠ }

6 0
3 years ago
Pls help!!! Will mark BRAINLEST if correct
elixir [45]

a and b i hope this is correct

8 0
3 years ago
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