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andriy [413]
3 years ago
7

In △ABC, angle C is a right angle and BC > AC. Select all the statements that are true.

Mathematics
2 answers:
lora16 [44]3 years ago
7 0

Answer:

thought i could help sorry i cant

Step-by-step explanation:

notka56 [123]3 years ago
7 0
They all true about ABC
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Finding an Equation of a Tangent Line In Exercise, use implicit differentiation to find an equation of the tangent line to the g
Karo-lina-s [1.5K]

Answer:

y=\frac{4}{3}-\frac{x}{3e}

Step-by-step explanation:

Equation of tangent line of given function at (e,1) is found by implicitly differentiating the given function w.r.to x

y^{2}+ln(xy)=2\\\\y^{2}+ln(x)+ln(y)=2\\\\\frac{d}{dx}(y^{2}+ln(x)+ln(y))=\frac{d}{dx}(2)\\\\2y\frac{dy}{dx}+\frac{1}{x}+\frac{1}{y}\frac{dy}{dx}=0\\\\\frac{dy}{dx}(2y+\frac{1}{y})=-\frac{1}{x}\\\\\frac{dy}{dx}=-\frac{y}{x(2y^{2}+1)}\\\\at (e,1)\\\\\frac{dy}{dx}=-\frac{1}{e(2+1)}\\\\\frac{dy}{dx}=\frac{1}{3e}

Equation of tangent line is

y-y₁=m(x-x₁)

at (e,1)

y-1=-\frac{1}{3e}(x-e)\\\\y=1-\frac{1}{3e}(x-e)\\\\y=1+\frac{1}{3}-\frac{x}{3e}\\\\y=\frac{4}{3}-\frac{x}{3e}\\

6 0
4 years ago
Equation<br> Number of Solutions<br> 6(2.1 + 1) - 2 = 12.1 + 4<br> How many solutions does it have?
jek_recluse [69]
Infinite solutions!!!!
7 0
3 years ago
H(x) = x4+ 2x3- 10x2 -18x+9
vichka [17]
Let's group the cubic function: h(x)=x^4+2x^3-10x^2-18x+9=(x-3)(x+3)(x^2+2x-1).

The first two roots are \pm3 however to find the last two roots we need to solve the square equation:

x^2+2x-1=0&#10;\\D=b^2-4ac=2^2-4\cdot1\cdot(-1)=8. Now we know the discriminator, using the discriminator we're able to find the roots of the equation: x_{1,2}=\frac{-b\pm\sqrt{D}}{2a}=\frac{-2\pm\sqrt{8}}{2}=\frac{-2\pm2\sqrt{2}}{2}=\frac{2(\sqrt{2}\pm1)}{2}. The roots of the square equation are x_{1}=-1-\sqrt{2} and x_{2}=\sqrt{2}-1.

The roots of the cubic function are \pm3, -1-\sqrt{2} and \sqrt{2}-1.
5 0
3 years ago
Read 2 more answers
3. Are these ratios equivalent? 35:28 and 10:8 *
attashe74 [19]

Reduce each ratio to its minimum expression to find if they are equal.

35:28

\begin{gathered} \frac{35}{28}=\frac{7\cdot5}{7\cdot4} \\ =\frac{5}{4} \end{gathered}

10:8

\begin{gathered} \frac{10}{8}=\frac{2\cdot5}{2\cdot4} \\ =\frac{5}{4} \end{gathered}

Since both ratios reduce to 5:4, they are equivalent.

Another way to check a:b is equivalent to c:d, is that a*d = b*c

In this case, this will be true if 35 times 8 is equal to 10 times 28:

\begin{gathered} 35\cdot8=280 \\ 10\cdot28=280 \end{gathered}

Since both products are equal, then the ratios are equivalent.

4 0
1 year ago
Help with the fraction
Aleksandr [31]
Yes they do form a proportion since they both simplify to 6/11
7 0
4 years ago
Read 2 more answers
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