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3 years ago

Can somebody solve this...

Mathematics

1 answer:

LenaWriter [7]3 years ago

6 0

Answer:

J
-12
-16
K
L
(-12, -16)
M
O

Sorry. I cannot really the points and graphs clearly.

I hope I helped you! If my answer is correct, please mark me brainiest. Thanks!

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Estimate the: length of a pen length of a swimming pool length of a marathon race

Paha777 [63]

<h2>Answers for question:</h2>

<h3>length of a pen:</h3>

5.2 inches 13.12 cm

<h3>length of a swimming pool:</h3>

50m

<h3>length of a marathon race:</h3>

42.195 kilometers

<h2>hope this answers your question! </h2>

8 0

3 years ago

3X squared plus 2X equals -4 number of solutions

PIT_PIT [208]

Answer:

The given equation has two solutions i.e $\frac{-1+\sqrt{13} }{3}$ , $\frac{-1-\sqrt{13} }{3}$

Step-by-step explanation:

The given expression as :

3 x² + 2 x - 4

For the quadratic equation in the form of a x² + b x + c , the value of x

x = $\frac{-b\pm \sqrt{b^{2}-4\times a\times c}}{2\times a}$

Or, x = $\frac{-2\pm \sqrt{2^{2}-4\times 3\times (-4)}}{2\times 3}$

Or, x = $\frac{-2\pm \sqrt{4 + 48}}{6}$

or, x = $\frac{-2\pm \sqrt{52}}{6}$

∴ x = $\frac{-1\pm \sqrt{13}}{3}$

Or, x = $\frac{-1+\sqrt{13} }{3}$ , $\frac{-1-\sqrt{13} }{3}$

Hence The given equation has two solutions i.e $\frac{-1+\sqrt{13} }{3}$ , $\frac{-1-\sqrt{13} }{3}$ Answer

7 0

3 years ago

Please help!! I'm probably gonna be spamming sooo

Genrish500 [490]

Answer:

12π

is the correct answer

3 0

3 years ago

Solve: 4x + 3 =2x +9

Llana [10]

Solve: 4x + 3 =2x +9
4x + 3 = 2x + 9
-2x -2x

2x + 3 = 9
-3 -3

2x = 6
2x/2 = 6/2
x = 3

Answer would be : x = 3

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3 years ago

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Varvara68 [4.7K]

One and four thirty-fifths
1 4/35

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4 years ago