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Oxana [17]
3 years ago
12

Michelle bought two blouses for $18.20 each. If she received a 10% discount for the blouses and the sales tax rate is 7.25%, how

much did she pay for both blouses?
A - $16.38

B - $17.57

C - $32.76

D - $35.14
Mathematics
1 answer:
Gnesinka [82]3 years ago
3 0
The answer is B. $17.57
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What is the additive inverse of the polynomial? -6x^3+4x^2-4x
LenKa [72]

Answer:

The additive inverse is equal to 6x^{3}-4x^{2}+4x

Step-by-step explanation:

we know that

Two polynomials area additive inverses if they are opposites of each other

we have

-6x^{3}+4x^{2}-4x

To find the additive inverse multiply the polynomial by -1

-1*(-6x^{3}+4x^{2}-4x)=6x^{3}-4x^{2}+4x

7 0
3 years ago
PLEASE HELP
miss Akunina [59]

In the smallest of the three triangles (with sides a,b,3) we have

a^2+3^2=b^2

In the second-largest triangle (with sides a,108), the length of the missing side is \sqrt{a^2+108^2}. Then in the largest triangle (with sides b,111,\sqrt{a^2+108^2}), we have

b^2+\left(\sqrt{a^2+108^2}\right)^2=(108+3)^2=111^2

\implies b^2+a^2+108^2=111^2

\implies b^2+a^2=657

Equivalently, we have

(a^2+9)+a^2=657\implies 2a^2=648\implies a^2=324\implies a=18

In turn, we find

b^2=18^2+3^2=298\implies b=\sqrt{333}=3\sqrt{37}

6 0
2 years ago
0.72(x + 2) = 7.2<br><br><br><br> x = _____
mixas84 [53]

Answer:

x = 8

Step-by-step explanation:

Hope that helps

5 0
3 years ago
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Whats 2+2? geng geng geng geng geng
I am Lyosha [343]

Answer:

4

Step-by-step explanation:

8 0
3 years ago
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Help find the answer to what B is.
satela [25.4K]

Assuming that this is a right triangle, then (50 in)^2 = b^2 + (14 in)^2, according to the Pythagorean Theorem.



Then 196 in^2 + b^2 = 2500 in^2. Solving for b^2:


b^2 = (2500-196) in^2, and so b = +48 inches (answer)


7 0
3 years ago
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