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Reptile [31]
1 year ago
10

Expand: f(x) = x4 − x3 + x2 + x −

Mathematics
2 answers:
lilavasa [31]1 year ago
8 0

Answer:

7

7

21

30

Step-by-step explanation:

its right i got it on edge 2020

nikitadnepr [17]1 year ago
6 0

Answer:

(x+3)(x+2)

Step-by-step explanation:

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I see that your new product is available for 412.50 on the website. How much is it if I buy it in the store? The website is a 25
OverLord2011 [107]

Answer with explanation:

Price of Product on the Website = $ 412.50

It is given that, product is offered at a discount of 25% on the website.

Let actual price of product on the store = $ x

Writing the above statement in terms of equation

→Price at store - Discount= Price at Website

x-\frac{25\times x}{100}=412.50\\\\ \frac{75 x}{100}=412.50\\\\x=\frac{41250}{75}\\\\x=550

Price at store of that Product = $ 550

3 0
2 years ago
The radius of a circle is decreasing at a constant rate of 0.1 centimeter per second. In terms of the circumference C, what is t
valentinak56 [21]

Answer:

lol its a little difficult for me but the answer is B


Step-by-step explanation:


8 0
1 year ago
If the sample space S is an infinite set, does this necessarily imply that any random variable X defined from S will have an inf
alekssr [168]

Answer: no

Step-by-step explanation: see attachment

4 0
2 years ago
Julia is standing 2 feet away from a lamppost. If she casts a shadow of 5 feet and the light makes a 20° angle relative to the g
givi [52]

Answer:

2.5477 feet

Step-by-step explanation:

Refer the image attached to understand my solution.

BC = height of lamppost.

DE = Julia

AD = shadow of Julia

BD = 2 feet.      AD = 5 feet

BA = BD + AD

       = 2 + 5 = 7 feet

In ΔABC

tan 20° = \frac{BC}{BA}  = \frac{BC}{7}

BC = 7 * tan 20°

BC = 2.5477 feet

SO the height of lamppost = 2.5477 feet

5 0
1 year ago
Däne has a stamp collection. in one boo he has 6 pages with 15 stamps on each page. in another book,he has 9 pages with 20 stamp
galben [10]
6x15= 90

9x20= 180


180+90= 270


270 - 25 = 245        dane has 245 stamps left
8 0
2 years ago
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