3 years ago

What is the recursive formula for this arithmetic sequence?

Mathematics

1 answer:

zhuklara [117]3 years ago

7 0

Answer:

Step-by-step explanation:

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Leah gets paid $450 a week +5% commission on her sales she hopes to earn at least $600 each week right in any quality to represe

ElenaW [278]

x = sales

450 + 0.05x = 600

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3 years ago

Rosita can wax her car in 2 hours or 120 minutes. When she works together with Helga, they can wax the car in 45 minutes. How lo

Mashcka [7]

<h2>Time taken by Helga to wax the car is 72 minutes</h2>

Step-by-step explanation:

Let w be the work of waxing.

Rosita can wax her car in 2 hours or 120 minutes.

Time taken by Rosita = 120 minutes

$\texttt{Rate of Rosita = }\frac{W}{120}$

Let time taken by Helga be t,

$\texttt{Rate of Helga = }\frac{W}{t}$

When she works together with Helga, they can wax the car in 45 minutes.

We have

$\frac{W}{\frac{W}{120}+\frac{W}{t}}=45\\\\120t=45(120+t)\\\\120t=5400+45t\\\\t=72minutes$

Time taken by Helga to wax the car is 72 minutes

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4 years ago

Find two unit vectors orthogonal to a=⟨2,−2,−3⟩a=⟨2,−2,−3⟩ and b=⟨3,2,2⟩b=⟨3,2,2⟩ enter your answer so that the first non-zero c

Ronch [10]

We need the cross product of the two vectors.
a x b
=<2,-2,-3> x <3,2,2>
=
i j k
2 -2 -3
3 2 2
=<-4+6, -(4+9), 4+6>
=<2,-13,10>
The second vector is obtained by reversing the direction, namely <-2,13,-10>
Thus the two vectors are <2,-13,10> and <-2,13,-10>.

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3 years ago

Write the following sentence as linear equation. Adding 16 to 5 times a number x is 40.

motikmotik

Answer:

x = 24/5

Step-by-step explanation:

16+5x=40

5x=40-16

5x= 24

x= 24/5

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3 years ago

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What is the perimeter of the parallelogram?<br> Please help! Will mark brainlyest.

Luba_88 [7]

Answer:

Step-by-step explanation:

B=base

A=side

X=2(a+b)=2·(13+16)=58

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2 years ago

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