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dybincka [34]
3 years ago
10

What is the area for this triangle

Mathematics
2 answers:
suter [353]3 years ago
7 0
56 I think
I worked this out but saw the other person with the same thing so I assume it’s correct.
Llana [10]3 years ago
4 0

Answer:

56

Step-by-step explanation:

I'm not 100% sure, use my answer at your own risk

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Write the inequality represented by the graph below
olchik [2.2K]

Answer:

y≥3x-1

Step-by-step explanation:

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the symbol determines which way the shaded part faces

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5 0
2 years ago
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Find the equation of all tangent lines having slope of -1 that are tangent to the curve y=(9)/(x+1)
fredd [130]

Answer:

f(x)=\frac9{x+1}\\ f'(x)=-\frac9{(x+1)^2}\\ f'(x)=-1\ \iff\ -\frac9{(x+1)^2}=-1\ \to \ \frac9{(x+1)^2}=1\ \to \ (x+1)^2=9\\ |x+1|=3\ \to \ x+1=3\ \vee\ x+1=-3\\ x_1=2\ \vee\ x_2=-4\\ f(x_1)=f(2)=\frac9{2+1}=3\\ f(x_2)=f(-4)=\frac9{-4+1}=-3

First tangent line:

y=f'(x_1)\cdot (x-x_1)+f(x_1)\ \to \ y=-1(x-2)+3\ \to \ y=-x+5

Second tangent line:

y=f'(x_2)\cdot (x-x_2)+f(x_2)\ \to \ y=-1(x+4)-3\ \to \ y=-x-7


Notice: slope of -1 means that both f'(x_1), \ f'(x_2) are equal to -1, so f'(x_1)=-1 \ and \ f'(x_2)=-1


6 0
2 years ago
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Convert the following equation into<br> slope-intercept form.<br> x - 26y = 52
Softa [21]
The equation in slope intercept form would be: y= 1/26x - 2
4 0
3 years ago
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What is the value is of x?<br><br> A)0<br><br> B)25<br><br> C)4<br><br> D)7
iogann1982 [59]

We know that these two angles are equal to each other (There is the "congruent" sign) so we can set them equal to each other and solve for x

3x - 17 = 25 - 3x

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6x + (- 17 + 17) = 25 + 17

6x/6 = 42/6

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Hope this helped!

7 0
3 years ago
Can all edges have the same length? Yes or No
DedPeter [7]
Yes they can all have the same
7 0
3 years ago
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