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KonstantinChe [14]
2 years ago
14

Please answer !!!!!!!!!!

Mathematics
2 answers:
anygoal [31]2 years ago
7 0
From top to bottom it goes:
yes
no
no
yes
user100 [1]2 years ago
6 0

Answer:

Line of symmetry: Yes (It has 2, Diagonally, and vertically)

Parallel sides: Yes (Side 1 and side 2 and top line 1 and top line 2 are parallel)

Perpendicular sides: No (No right angles are present by the connecting lines)

Obtuse angles: Yes (All the touching lines are obtuse angles)

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Giải phương trình y"= lnx
kipiarov [429]

Integrate both sides with respect to <em>x</em> :

y''(x) = \ln(x) \implies \displaystyle \int y''(x)\,\mathrm dx = \int \ln(x)\,\mathrm dx

On the right side, integrate by parts with

f = \ln(x) \implies \mathrm df = \dfrac{\mathrm dx}x \\\\ \mathrm dg = \mathrm dx \implies g = x

\implies \displaystyle \int\ln(x)\,\mathrm dx = fg - \int g\,\mathrm df \\\\ \int\ln(x)\,\mathrm dx= x\ln(x) - \int \mathrm dx \\\\ \int\ln(x)\,\mathrm dx= x\ln(x) - x + C_1

Then

\displaystyle y'(x) = x\ln(x) - x + C_1

Integrate both sides with respect to <em>x</em> by parts again, this time with

f = \ln(x) \implies \mathrm df = \dfrac{\mathrm dx}x \\\\ \mathrm dg = x\,\mathrm dx \implies g = \dfrac{x^2}2

\implies \displaystyle \int x\ln(x)\,\mathrm dx = fg-\int g\,\mathrm df \\\\ \int x\ln(x)\,\mathrm dx = \dfrac{x^2\ln(x)}2 - \int\frac x2\,\mathrm dx \\\\ \int x\ln(x)\,\mathrm dx = \dfrac{x^2\ln(x)}2-\dfrac{x^2}4 + C_2

Then

y(x) = \dfrac{x^2\ln(x)}2 - \dfrac{x^2}4 - \dfrac{x^2}2 + C_1x + C_2 \\\\ \boxed{y(x) = \dfrac{(2\ln(x)-3)x^2}4 + C_1x + C_2}

3 0
2 years ago
Ramos went to a pizza shop and spent half of his money on lunch. If Ramos had $4.50 left after lunch,how much money did he have
ankoles [38]
Because Ramos spent half of his money, he now has the other half of his money, which is $4.50. Therefore, he originally had:
$4.50* 2= $9.00

The final answer is $9.00~
8 0
3 years ago
Read 2 more answers
Please help me please
Vilka [71]

Answer:

the answer is bc you go over negative two and up five (-2,5)

7 0
2 years ago
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Express each answer in simplified radical form √24+4√54=?
VMariaS [17]

Answer:

The answer to your question is:    14\sqrt{6}

Step-by-step explanation:

                                            √24+4√54

                            \sqrt{2^{2}(2)(3)} + 4\sqrt{3^{2}(3)(2) }

                                     2\sqrt{6}  + 12\sqrt{6}

                                     14\sqrt{6}

                                             

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3 years ago
Five members of the soccer team ordered orange juice. Ten members ordered apple juice. Juice was packaged in 250 mL cartons. Exp
Lady_Fox [76]
The answer to the question is B
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