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Allushta [10]
3 years ago
11

Please I need help on this, free brainiest for all correct 3 answers

Mathematics
1 answer:
BigorU [14]3 years ago
8 0

Answer:

If the REGULAR price of the t-shirt is $18, the SALE price with a 20% discount is $14.40.

18.00 * .20 = 3.60

18.00 - 3.60 = 14.40

Hope this helps!

Step-by-step explanation:

Given , The regular price of shirt = $18

Since , Today, everything at a store is on sale. The store offers a 20% discount.

i.e. Discount percentage = 20% = 0.20 [ we divide percentage by 100 to convert it into decimal or fraction.]

Now , the discount price = (Discount percentage ) x (regular price )

= (0.20) x ($18)

= $3.6

Hence, the discount price = $3.6

Discounted price of shirt = Regular price - discount price

= $18-$3.6

= $14.4

Thus , Discounted price of shirt = $14.4

C. $22.50

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Explanation:

The given function is,

F(x)=x^4-x^3-2x-4

According to the rational root theorem 1 and -1 are the possible roots of each polynomial.

Put x=-1

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Since the value of F(x) is 0 at x=-1 therefore the -1 is a root of given polynomial and (x+1) is a factor of F(x).

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The last row of the synthetic division shows the coefficient of remaining polynomial.

F(x)=x^4-x^3-2x-4=(x+1)(x^3-2x^2+2x-4)

At x=2 the value of F(x) is 0, therefore (x-2) is a factor of F(x).

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F(x)=(x+1)(x-2)(x^2+2)

Therefore the roots of F(x) are,

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3 years ago
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Step-by-step explanation:

The amount is given by the formula ...

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where P is the principal, r is the annual rate compounded continuously, and t is the number of years. Filling in the values, we get ...

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The distance travelled by east bound car is 60 km.

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In a right angle triangle:

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