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Gala2k [10]
3 years ago
7

Helpp mee pleaseeeeeeeeee

Mathematics
2 answers:
bagirrra123 [75]3 years ago
5 0

Answer:

6xwidthxlength

Step-by-step explanation:

it’s basic

MaRussiya [10]3 years ago
3 0

Answer:

6 x width x length

Step-by-step explanation:

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Write 1/3 as a power with an integer base
Viefleur [7K]

Answer:

3^{-1}

Step-by-step explanation:

Using the rule of exponents

\frac{1}{a^{n} } ⇔ a^{-n}

Given

\frac{1}{3} = \frac{1}{3^{1} } = 3^{-1}

7 0
2 years ago
Read 2 more answers
If Vector u=(5,-7) and v=(-11,3), 2v-6u=_____ and ||2v-6u||≈_____
Sauron [17]
<h2>Answer:</h2>

2\vec{v}-6\vec{u}=(-52,48) \\ \\ ||2\vec{v}-6\vec{u}||=75.28}

<h2>Step-by-step explanation:</h2>

In this problem we have two vectors:

\vec{u}=(5,-7) \ and \ \vec{v}=(-11,3)

So we need to find two things:

2\vec{v}-6\vec{u}

and:

||2\vec{v}-6\vec{u}||

FIRST:

In this case we have the multiplication of vectors by scalars. A scalar is a simple number, so:

2\vec{v}-6\vec{u} \\ \\ Replace \ \vec{v} \ and \ \vec{u} \ by \ the \ given \ vectors: \\ \\ 2(-11,3)-6(5,-7) \\ \\ Multiply \ each \ component \ by \ the \ corresponding \ scalar:\\ \\ (2\times (-11),2\times 3)+(-6\times 5,-6\times (-7)) \\ \\ (-22,6)+(-30,42) \\ \\ Sum \ of \ vectors: \\ \\ (-22-30,6+42) \\ \\ \therefore \boxed{(-52,48)}

SECOND:

If we name:

\vec{w}=2\vec{v}-6\vec{u}

Then, ||2\vec{v}-6\vec{u}|| is the magnitude of the vector \vec{w}. Therefore:

||\vec{w}||=||2\vec{v}-6\vec{u}|| \\ \\ ||\vec{w}||=||(-52,48)|| \\ \\ ||\vec{w}||=\sqrt{(-58)^2+48^2} \\ \\ ||\vec{w}||=\sqrt{3364+2304} \\ \\ ||\vec{w}||=\sqrt{5668} \\ \\ \boxed{||\vec{w}||=75.28}

5 0
2 years ago
Read 2 more answers
Which expression shows -5y (4-2y) + 8y^2-3y + 4 in simplest form?​
Tcecarenko [31]

Simplified: 18y^2-20y+1

3 0
2 years ago
What is 309*692 i have noooooooo idea
adell [148]
309 times 692 ***********************
6 0
2 years ago
Read 2 more answers
Y is inversely proportional to x when y=9, x=24
Lisa [10]

Answer:

216

Step-by-step explanation:

y=k÷x

k=xy

k=9×24

k=216

7 0
3 years ago
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