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Serga [27]
2 years ago
8

I need a step by step explanation, thx

Mathematics
2 answers:
Korolek [52]2 years ago
8 0

Answer:

Discount: $25.50

Sale prince: $59.49

Price after tax: $67.22

Step-by-step explanation:

To figure out the discount:

84.99 x .30 = 25.50  Rounded to the nearest penny

To figure out the sale price:

84.99 - 25.50 = 59.49  The original price minus the discount

To figure the cost after tax:

59.49 x .13 = 7.73  to find the tax, multiple the tax times the sale's price

7.73 + 59.49 = 67.22  Add the tax to the sale price.

gizmo_the_mogwai [7]2 years ago
3 0

Answer:

the Sale price is $59.493 ; the discount of 30% is $25.497 & total price after 13% sales tax is $70.5417

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kupik [55]

2^2=32

(3x7-7)=14

32-14=18

4 0
3 years ago
Please help. A spinner had 7 identical sections. Two sections are blue, 1 us red, and 4 of the sections are green. Suppose the p
hammer [34]
Note that 7 represents each of the different 7 regions in the spinner. 

1 would represent the red region, as there is one red region.

4 would represent the 4 green regions. Thus, 2 represents the 2 blue regions.



Note that as the spinner spins, no matter which region is colored with which color, the probability of hitting a blue region is \displaystyle{  \frac{2}{7}, as out of 7 regions we can hit, 2 are blue.

(Naturally enough, the greater the number of regions of a certain color, the greater the probability of hitting a region of that color.)


7 is the number of the elements in the sample space.

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This probability, as mentioned earlier, is matched by the outcome "hitting blue."

4 0
3 years ago
The height of a ball above the ground in feet is defined by the function h(t) = -16t Squared + 80t +3, where t is the number of
jasenka [17]
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6 0
3 years ago
Solve the equation for m:<br><br> m/5 = 60
alex41 [277]

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3 0
3 years ago
Read 2 more answers
Consider the following.3x + 3y = 8(a) Find y' by implicit differentiation.(b) Solve the equation explicitly for y and differenti
ludmilkaskok [199]

Answer:

a.y'=-1

b.y'=-1

c.Yes

Step-by-step explanation:

We are given that consider a function

3x+3y=8

Implicit function: That function is a relation in which dependent variable can not be expressed in terms of independent variable

Explicit function: It is that function in which dependent variable can be expressed in terms of independent variable.

a.3x+3y=8

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y=\frac{8-3x}{3}

Differentiate w.r.t x then we get

\frac{dy}{dx}=\frac{-3}{3}=-1

\frac{dy}{dx}=y'=-1

When we substituting the value of y obtained from part b into a solution of part a then we get

y'=-1

Hence, solutions are consistent.

8 0
3 years ago
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