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Arisa [49]
4 years ago
15

What is (f⋅g)(x)? f (x) =x^4−9 g (x) =x^3+9

Mathematics
1 answer:
mojhsa [17]4 years ago
3 0
<span>(f⋅g)(x)=f(x)*g(x) 
</span>f(x)*g(x) = (x⁴−9)(x³+9)=x⁴x³+9x⁴-9x³-81=x⁷+9x⁴-9x³-81
(f⋅g)(x)=x⁷+9x⁴-9x³-81
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The value of a car with an initial purchase price of $18,250 depreciates by<br><br> 11% per year.
larisa [96]

Step-by-step explanation:

This problem on depreciation of price.

Given data

initial price = $18,250

rate of depreciation = 11%

to solve for the new price we must find 11 percent of the initial price (depreciated value) and subtract from the initial price, we have

depreciation=

\frac{11}{100} *18250\\0.11*18250= 2007.5

Hence the depreciation= $2007.50

the new amount is = initial amount - depreciation

=18250-2007.50\\= 16242.50

the new amount is $16242.50

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3 years ago
Is the right arm or left arm stronger? Twenty five right handed people were studied. They were asked to do as many bicep curls a
prisoha [69]

Answer:

B. The p-value should be higher than 0.05

Step-by-step explanation:

p-value is smaller than 0.05 means that there is significant difference in mean bicep curls made with right hand and left hand.

Since 95% confidence interval for the true mean difference is given as  (-9.242, 0.2472), and confidence interval includes the value 0, we cannot say that there is significant difference. Therefore p-value is not smaller than 0.05, it is higher than 0.05.

4 0
3 years ago
Determine the correct equation used in order to solve the problem "The number 24 is what percent of the number 40?"
lions [1.4K]

The correct equation that represents the expression "The number 24 is what percent of the number 40?" is as shown below;

The the unknown number in percent be 'x'

x percent of number 40 is expressed as;

x% of 40

x/100 of 40

If 24 is equal to the expression above, then the final equation will be expressed as;

24 = x/100 of 40

24 = 40x/100

24 = 0.4x

Rearrange

0.4x = 24

Hence the correct equation used to solve the problem is 0.4x = 24

4 0
1 year ago
I am a two digit number divisible my 19 the sum of my digits is 14
sleet_krkn [62]

Answer:

95

Step-by-step explanation:

9+5=14

95÷19=5

this is the answer (I'm just typing so brainly let's me post)

6 0
3 years ago
What is 3.8 in a fraction
Arte-miy333 [17]
I'm not sure if it's this answer so all you do don't put it I think it's 19 over 5
5 0
4 years ago
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