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3 years ago

Classify the following triangle. Check all that apply.

Mathematics

2 answers:

diamong [38]3 years ago

6 0

There’s nothing to answer or any work for people to respond

AveGali [126]3 years ago

6 0

Answer:

Try screen shotting the whole triangle by pressing ctrl and the key to the the left of the lower brightness key. or if you have it on paper try taking a picture email it to yourself and save it then upload it. Then we can solve it :D.

Step-by-step explanation:

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HELP!

Vesna [10]

A(n)=a+(n-1)d
A(40)= -1+(40-1)-4
A(40)= -1+39(-4)
A(40)= -1+(-156)
A(40)= -157

4 0

2 years ago

Adiya said that the first step to solving the quadratic equation x2 + 6 = 20x by completing the square was to divide 6 by 2, squ

vivado [14]

Adiya’s method is not correct. To form a perfect square trinomial, the constant must be isolated on one side of the equation. Also, the coefficient of the term with an exponent of 1 on the variable is used to find the constant in the perfect square trinomial. Adiya should first get the 20x term on the same side of the equation as x2. Then she would divide 20 by 2, square it, and add 100 to both sides.

5 0

3 years ago

Read 2 more answers

Find the unit tangent vector T(t) to the curve r(t) = [sin(t), 1 + t, cos(t)] when t = 0.

ss7ja [257]

Compute the derivative of $\mathbf r(t)$ at $t=0$ - this will be the tangent vector - then normalize it by dividing it by its magnitude to get the unit tangent vector $\mathbf T(t)$ .

$\mathbf r(t) = \langle \sin(t), 1+t, \cos(t) \rangle \implies \dfrac{d\mathbf r}{dt} = \langle \cos(t), 1, -\sin(t) \rangle \implies \dfrac{d\mathbf r}{dt}(0) = \langle 1, 1, 0 \rangle$

$\|\langle1,1,0\rangle\| = \sqrt{1^2+1^2+0^2} = \sqrt2$

$\implies\mathbf T(0) = \dfrac{\langle1,1,0\rangle}{\sqrt2} = \boxed{\left\langle \dfrac1{\sqrt2}, \dfrac1{\sqrt2}, 0\right\rangle}$

7 0

1 year ago

Angles P and Q are supplementary. If mZP is<br> 32°, what is the mZQ?

Ratling [72]

Step-by-step explanation:

Supplementary angles add up to 180°

$\therefore m\angle P + m\angle Q = 180° \\ \therefore 32 \degree+ m\angle Q = 180° \\ \therefore m\angle Q = 180° - 32° \\ \huge \purple{ \boxed{\therefore m\angle Q = 148°}}$

6 0

3 years ago

Estimate the tip on a $10.75 check using a tip rate of %20. Please explain how to do thid in an easy way.

Marina CMI [18]

To find 10% divide by 10 so 1.07 or round to 1.08 if you like then double to
get 20% so 2.14 or 2.16 so if the bill is 10.75 you would pay 12.89 with a 20% tip

6 0

3 years ago

Read 2 more answers