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GrogVix [38]
3 years ago
11

$1.50 what if you took of the sales tax rate of a helmet.if the sales rate was5%,how much would be the original price of the hel

met?
Mathematics
1 answer:
Alexeev081 [22]3 years ago
6 0

Then it would be 1.50 + 1.50 *5 /100 = 1.50 + 0.075 = 1.575

So, the original price would be $1.575

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Jerome wrote the following scenario to match the algebraic expression s 4 − 16: “16 fewer than four times the number of songs on
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Answer:

No, because the expression s/4 - 16. In the word formed she times 4 and the letter, she should have to dived it.

Step-by-step explanation:

No, because the expression s/4 - 16. In the word formed she times 4 and the letter, she should have to dived it.

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3 years ago
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if f is a differentiable function and f(0)=-1 and f(4)-3 then which of the following must be true there exists a c in [0,4] wher
iragen [17]

Answer:

True, see proof below.

Step-by-step explanation:

Remember two theorems about continuity:

  1. If f is differentiable at the point p, then f is continuous at p. This also applies to intervals instead of points.
  2. (Bolzano) If f is continuous in an interval [a,b] and there exists x,y∈[a,b] such that f(x)<0<f(y), then there exists some c∈[a,b] such that f(c)=0.

If f is differentiable in [0,4], then f is continuous in [0,4] (by 1). Now, f(0)=-1<0 and f(4)=3>0. Thus, we have the inequality f(0)<0<f(4). By Bolzano's theorem, there exists some c∈[0,4] such that f(c)=0.

7 0
3 years ago
Which number line shows all the values of a that make the inequality - 3x +1 &lt; 7 true?
GrogVix [38]

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Third option

Step-by-step explanation:

5 0
3 years ago
What is a problem that requires adding one two the quotient
Nikolay [14]

division problem

In a division problem, the number being divided into pieces is the dividend. The number by which the dividend is divided is called the divisor. And the answer to the division problem is the quotient.

6 0
3 years ago
A vehicle factory manufactures cars. The unit cost (the cost in dollars to make each car) depends on the number of cars made. If
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Answer:

The function is missing in the question. The function is $ C(x) = 0.8x^2 -544x +97410 $

The answer is 4930

Step-by-step explanation:

Unit cost of a car is given as

$ C(x) = 0.8x^2 -544x +97410 $

Cost will be minimum when

x = -(-544)/ 2 x 0.8

  = 340

Therefore, minimum cost for unit car is

$ C(x) = 0.8x^2 -544x +97410 $

$ = 0.8(340)^2 -544(340) +97410 $

=  4930

4 0
3 years ago
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