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PIT_PIT [208]
3 years ago
11

Can somebody help me with this problem!? i need help ahh

Mathematics
2 answers:
olya-2409 [2.1K]3 years ago
7 0

Answer:

134 Degrees.

Step-by-step explanation:

Lets figure out the third angle (y) in the triangle first.

70 + 64 + y = 180

134  + y = 180

y = 46

We now know that 46 is our third angle. Therefore, we can subtract 46 (y) from 180 (the total between x and the third angle) to get our final answer. 134 Degrees.

slamgirl [31]3 years ago
6 0

for these kinds of problems the outside angle always equals the opposite 2. meaning angle x=64+70 which is 134 degrees. you can double check this because all triangles equal 180 degrees. meaning that the last angle in the triangle is 46. 46+70+64=180.

so your answer is 134.

hope this helps :)

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Pls help me!!!!!!!!!
Aliun [14]

Answer:

The perimeter is 30 units

Step-by-step explanation:

To find the perimeter of SOW, what we need to do is to add all the lengths around the triangle together.

But we only have OS, we do not have OW and WS. Thus , we need to get what the values of these lengths are before we can calculate the perimeter.

Please check the attachment for complete solution.

3 0
3 years ago
[Help asap] are these congruent?
PolarNik [594]
Yes. Both are at a right angle and both have the little tick on line AB and XY, so they must be congruent.
6 0
3 years ago
Read 2 more answers
In the diagram, what is the measure of angle 1?
VLD [36.1K]
We know that
 angle (3x) and angle (9x) are supplementary angles
so
3x+9x=180°------> 12x=180°------> x=180°/12-----> x=15°

angle (9x) and angle (1) are supplementary angles
so
9x+∡1=180---------> 9*15+∡1=180
∡1=180-9*15---------> ∡1=180-135------> ∡1=45°

the answer is
∡1 is 45°

alternative method
angle 1 = angle 3x----------> vertical angles
∡1=3x-----> 3*15-----> 45°
7 0
3 years ago
I need help with this question! (it's the picture)
Sauron [17]
Cos(38°) = x/44  ⇒ x = 44 * cos(38°) ≈ 34.7 units
6 0
3 years ago
Please help with this calculus problem!
ELEN [110]
\dfrac{\mathrm dQ}{\mathrm dt}=\dfrac{a(1-5bt^2)}{(1+bt^2)^4}
Q(t)=\displaystyle\int\frac{a(1-5bt^2)}{(1+bt^2)^4}\,\mathrm dt

Let t=\dfrac1{\sqrt b}\tan u, so that \mathrm dt=\dfrac1{\sqrt b}\sec^2u\,\mathrm du. Then the integral becomes

\displaystyle\frac a{\sqrt b}\int\frac{1-5b\left(\frac1{\sqrt b}\tan u\right)^2}{\left(1+b\left(\frac1{\sqrtb}\tan u\right)^2\right)^4}\sec^2u\,\mathrm du
=\displaystyle\frac a{\sqrt b}\int\frac{1-5\tan^2u}{(1+\tan^2u)^4}\sec^2u\,\mathrm du
=\displaystyle\frac a{\sqrt b}\int\frac{1-5\tan^2u}{\sec^6u}\,\mathrm du
=\displaystyle\frac a{\sqrt b}\int(\cos^6u-5\sin^2u\cos^4u)\,\mathrm du
=\displaystyle\frac a{\sqrt b}\int(6\cos^2u-5)\cos^4u\,\mathrm du

One way to proceed from here is to use the power reduction formula for cosine:

\cos^{2n}x=\left(\dfrac{1+\cos2x}2\right)^n

You'll end up with

=\displaystyle\frac a{16\sqrt b}\int(5\cos2u+8\cos4u+3\cos6u)\,\mathrm du
=\displaystyle\frac a{16\sqrt b}\left(\frac52\sin2u+2\sin4u+\frac12\sin6u\right)+C
=\dfrac a{32\sqrt b}(5\sin2u+4\sin4u+\sin6u)+C
Q(t)=\dfrac{at}{(1+bt^2)^3}+C
6 0
3 years ago
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