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3 years ago

7

Lana cuts 2 pieces for every 7 inches from a dowel for a craft project, for a total of 1 pieces. What is the length of the dowel

initially?

1 answer:

gtnhenbr [62]3 years ago

4 0

Answer:

3.5 Hope this helps yall :)!!!

Step-by-step explanation:

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3x + 7 = 9x + 3<br> No solution one solution or infinite

AlexFokin [52]

Answer:

One solution.

Step-by-step explanation:

X=2/3 or x=2.6666

4 0

3 years ago

Read 2 more answers

Identify the sequence as arithmetic, geometric, or neither. Explain your answer.

mestny [16]

This sequence (1.6, 0.8, 0.4, 0.2,... ) is geometric.
We have formula for any member of geometric sequence: $a_{n} = a_{1}* q^{n-1}$ If a1=1.6 then: $0.8=1.6*q, 0.4=1.6* q^{2}, 0.2=1.6* q^{3}$ The solution for all these equations is: q=0.5. We have: a1=1.6, q=0.5 and this is geometric sequence.

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3 years ago

What is the phase of y= -3cos (3x-pi) +5

ratelena [41]

Answer:

$- \frac{\pi}{3}$

Step-by-step explanation:

Given

$y = -3\cos(3x - \pi) + 5$

Required

The phase

We have:

$y = -3\cos(3x - \pi) + 5$

Rewrite as:

$y = -3\cos(3(x - \frac{\pi}{3})) + 5$

A cosine function is represented as:

$y = A\cos(B(x + C)) + D$

Where:

$C \to$ Phase

By comparison:

$C = - \frac{\pi}{3}$

Hence, the phase is: $- \frac{\pi}{3}$

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3 years ago

Can anyone help me with the answer to this please?

stiks02 [169]

Answer:

Step-by-step explanation:

To find the inverse function switch variables out and solve for y

If

y=(x+3)/x swap variables to get

(y+3)/y=x then solve for y

y+3=yx

y-yx+3=0

y-yx=-3

y(1-x)=-3

y=-3/(1-x)

y=3/(x-1)

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2 years ago

Factor x^2 + 7x -18 Please help

Anton [14]

$x^2 + 7x -18=\\
x^2-2x+9x-18=\\
x(x-2)+9(x-2)=\\
(x+9)(x-2)$

4 0

3 years ago