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3 years ago

8r2 in fraction form

Mathematics

1 answer:

Lana71 [14]3 years ago

4 0

8r^2 eight r squared hope this is right

It is the simplest fraction form

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Please help find the missing angles

harkovskaia [24]

Answer:

2: 45 3: 45 4: 135 5: 135 6: 45 7: 45

Step-by-step explanation:

they are vertical angles meaning they will mirror each other, subract 135 from 180 and you will get the other angle

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3 years ago

How to solve 3x - 4 = 11+10

Mamont248 [21]

Answer:

x= 25/3 or 8.333333

Step-by-step explanation:

you add 11 to 10 to get 21

3x-4=21

add 4 to both sides, which will cancel out the (-4)

3x=25

divide each term by 3 to get x by itself

3x/3 = 25/3

you will then get x=25/3

3 0

3 years ago

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For the following right triangle, find the side length x. Round your answer to the nearest hundredth.

jasenka [17]

<u>Answer:</u>

<u>Steps:</u>

x = √(15²-10²)

x = √(225-100)

x = √125

x ≈ 11.180

6 0

3 years ago

Don’t understand need help ASAP

vlabodo [156]

Answer:

Step-by-step explanation:

3 0

3 years ago

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Help Me! I suck with vectors.<br> Look at the attached pictures for the problem.

Westkost [7]

Multiplying a vector $x$ by a constant $k$ gives you a new vector whose components are the same as $x$ , but scaled by $k$ :

$x=\langle x_1,x_2\rangle\implies x=\langle kx_1,kx_2\rangle$

So we have

$u=\langle5,-7\rangle\implies-6u=\langle-30,42\rangle$

$v=\langle-11,3\rangle\implies2v=\langle-22,6\rangle$

Vector addition is just a matter of adding the corresponding components together:

$x=\langle x_1,x_2\rangle,y=\langle y_1,y_2\rangle\implies x+y=\langle x_1+y_1,x_2+y_2\rangle$

Then

$2v-6u=\langle-22,6\rangle+\langle-30,42\rangle=\langle-22-30,6+42\rangle$

$\implies\boxed{2v-6u=\langle-52,48\rangle}$

$\|x\|$ denotes the norm/magnitude of the vector $x$ :

$x=\langle x_1,x_2\rangle\implies\|x\|=\sqrt{{x_1}^2+{x_2}^2}$

We have

$\|2v-6u\|=\sqrt{(-52)^2+48^2}=4\sqrt{313}$

$\implies\boxed{\|2v-6u\|\approx70.77}$

7 0

4 years ago