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3 years ago

8

Mr.Dixon bought a whiteboard that was on sale for 1,989.99. The regular was 2,499.89. Which is the best estimate of the amount o

f money Mr. Dixon saved by buying the whiteboard on sale?

1 answer:

aalyn [17]3 years ago

7 0

It is about 2500-2000 which means he saved about 500

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Please help me with this question I also need to see the steps if possible!

umka21 [38]

Hi there!

To solve, we must use the following trig identity:

sin(u - v) = sin(u)cos(v) - sin(v)cos(u)

We can rewrite the left hand side of the equation as:

$\frac{sin(u)cos(v)-sin(v)cos(u)}{sin(u)cos(v)}$

Split the fraction:

$\frac{sin(u)cos(v)}{sin(u)cos(v)} - \frac{sin(v)cos(u)}{sin(u)cos(v)} =$

First fraction reduces to 1:

$1 - \frac{sin(v)cos(u)}{sin(u)cos(v)} =$

Simpify each with common arguments:

$1 - tan(v)cot(u)$

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3 years ago

The approximate curve is an empirical formula equation and the method of finding such an approximating curve is called _________

Free_Kalibri [48]

The answer it Curve Fitting or Arc but I think Curve Fitting just good luck

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3 years ago

15. The table below shows the various ways

Kipish [7]

Answer:

45 %

Step-by-step explanation:

$\begin{array}{lc}\textbf{Method} & \textbf{Number}\\\text{Walk} & 36 \\\text{Bus} & 26 \\\text{Car} & 18 \\\text{TOTAL} & \mathbf{80} \\\end{array}\\\text{Percent of walkers} = \dfrac{36}{80} \times 100 \% = \mathbf{45 \, \%}$

7 0

3 years ago

Read 2 more answers

Help!! check screenshot below.

Crazy boy [7]

Answer:

x < 7

Step-by-step explanation:

7x < 49 (Given)

x < 7 (Divided 7 on both sides)

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3 years ago

Read 2 more answers

1000 views=£2<br> how many views are required to make £31?

dedylja [7]

1000 = £2
10 x 1000 = 10,000 = £20
15,000 = £30
16,000 = £32
Not sure if you want specifically 31 but I’d say if you do it would be 15,000 views

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3 years ago