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Vinil7 [7]
3 years ago
12

Find 2u - 3v. u=6i, v=j a. 121-3j b.6i-j c. 12i+3j d.6i-3j e. -12i-3j

Mathematics
1 answer:
ohaa [14]3 years ago
8 0

Answer:

2u - 3v =  12i- 3j/C

Step-by-step explanation:

So it says U = 6i, if you do 2 x 6i you get 12 i

Then 3 x v which is j gets you 3 j

If you add the 2 answers together you get 12i - 3j

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v=πr^2h

v/πr^2=h

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The coordinates of the vertices of △PQR are P (0, 1), Q (0, 0),
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Step-by-step explanation:

step 1. P(0, 1) -> P'(0, -1)

step 2. Q(0, 0) -> Q'(0, 0)

step 3. R(-2, 0) -> R'(2, 0)

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The children's section is rectangular and has three of its corners at (-10, 10), (-10, 4), and (-3, 10). What is the area of the
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Step-by-step explanation:

8 0
3 years ago
GRAHAM CORPORATION
astra-53 [7]

Answer:

<h2>Net proceed= s-0.98nd-11</h2>

Step-by-step explanation:

Given that the shares cost $d

n shares will be =$dn

paid 2% commission to her broker= (2/100)*nd= 0.02nd

sold the share for $s

paid a fee of $11

Her net proceeds algebraically will be

Net proceed= s-nd-11-0.02nd

collect like terms

Net proceed= s-(nd-0.02nd)-11

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5 0
2 years ago
The length of an arc of a circle is 7.34 units, and the measure of the corresponding central angle is 81 degrees. What is the ap
GuDViN [60]

Answer:

A.  5.19 units

Step-by-step explanation:

\textsf{Arc length}=2 \pi r\left(\dfrac{\theta}{360^{\circ}}\right) \quad \textsf{(where r is the radius and}\:\theta\:{\textsf{is the angle)}

Given:

  • \theta = 81°
  • Arc length = 7.34 units

Substituting given values into the equation and solving for r:

\implies 7.34=2 \pi r\left(\dfrac{81^{\circ}}{360^{\circ}}\right)

\implies 7.34=r\left(\dfrac{18 \pi}{40}\right)

\implies 7.34 \cdot 40=18 \pi r

\implies 293.6=18 \pi r

\implies r=\dfrac{293.6}{18 \pi}

\implies r=5.19 \sf \: units \:(2\:dp)

7 0
1 year ago
Read 2 more answers
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