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Zina [86]
3 years ago
10

Unit test

Mathematics
1 answer:
skad [1K]3 years ago
8 0

Answer:

Step-by-step explanation:

you need to do Gems as an hint what is gems u may be asking it is grouping exponents  multiplication subtractin

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What are the values of the three trigonometric ratios for angle L, in simplest form?
Oxana [17]

The correct answer's are:

sin(L) = 4/5

cos(L) = 3/5

tan(L) = 4/3

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3 years ago
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A regular octagon rotates 360° about its center. How many times does the image of the octagon coincide with the preimage during
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5(x-2)^2-29=-14 what does x equal
eimsori [14]

Answer:

x = 2+\sqrt{3}

Step-by-step explanation:

5(x-2)^2= 15 ←add 29 on both sides

(x-2)^2= 3  ← divide by 5 on both sides

x-2= \sqrt{3}   ← find the sq root of both sides

x= 2+\sqrt{3}   ← add 2 on both sides

8 0
3 years ago
13. Given the following historical data and weights of .5, .3, and .2, what is the three-period weighted moving average forecast
Ostrovityanka [42]

Answer:

b. 144.8

Step-by-step explanation:

When calculating the moving average estimate of an observation , each of the observations are usually computed with the same weighted . In some cases, it is  beneficial to assign different  weight on the observations  such that the observation closer to the time period being forecast, has higher weight.  This is refer to as weighted moving average technique. The sum of the individual weight in a weighted moving average technique must equal to 1.

The three-period weighted moving average forecast for period 5 = 144*0.5 + 148 *0.3 + 142 *0.2 =  144.8

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3 years ago
Find a single discount equivalent to two successive discount of 20% and 5%​
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A discount of 24%

Step-by-step explanation:

100 x 0.8 x 0.95

=76

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3 years ago
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