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igor_vitrenko [27]
3 years ago
10

Janet sells birthday cakes at her bakery. If she sells a cake for $45, and there is 8% sales tax, what is the total cost of the

cake? Round your answer to the nearest cent.
Mathematics
2 answers:
Free_Kalibri [48]3 years ago
8 0

Answer:

48.6$

Step-by-step explanation:

Allisa [31]3 years ago
5 0

Answer:

Step-by-step explanation:

There are 28 students in a room. The ratio of boys to girls cannot be which of the above.

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gtnhenbr [62]

Answer:2 hundred+1 tens+3 ones

Step-by-step explanation:

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3 years ago
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Which correctly describes the roots of the following cubic equation x^3-5x^2+3x+9=0? A. Three real roots, each with a different
77julia77 [94]

Answer:

The correct option is C.

Step-by-step explanation:

The given cubic equation is

x^3-5x^2+3x+9=0

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

At x=-1, the value of function 0. Therefore (x+1) is the factor of polynomial and -1 is a real root.

Use synthetic division to find the remaining polynomial.

(x+1)(x^2-6x+9)=0

(x+1)(x^2-2(3)x+3^2)=0

Using (a-b)^2=a^2-2ab+b^2

(x+1)(x-3)^2)=0

USe zero product property and equate each factor equal to 0.

x=-1,x=3,x=3

Therefore the equation have three real roots out of which the value of two roots are same.

Option C is correct.

7 0
3 years ago
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Find the length of a third side of a right triangle
ANTONII [103]
The sides of a right triangle can be found using the Pythagorean Theorem: a^2+b^2=c^2

c is the hypotenuse (the longest side) of the right triangle and a and b are the two other legs. Knowing any two sides of the right triangle, you can find the other using this formula.

Hope this helps!
3 0
3 years ago
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Use the Ratio Test to determine whether the series is convergent or divergent.
dezoksy [38]

Answer:

what is your question you already told us the answer

Step-by-step explanation:

4 0
3 years ago
If angle vuw = 4x+6 and wut = 6x+10 what is the measure of wut
Damm [24]

Answer:

C, 38°

Step-by-step explanation:

ray UW is the angle bisector of ∠VUT

--> m∠VUW = m∠WUT = 1/2 m∠VUT

<=> 4x + 6 = 6x - 10

<=> 6 + 10 = 6x - 4x

<=> 2x = 16

<=> x = 8

So, the measure of m∠WUT is: 6x - 10 = 6 . 8 - 10 = 48 - 10 = 38°

4 0
3 years ago
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