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Andrews [41]
3 years ago
7

There is a sales tax of $22 on an item that costs$272 before tax. the sales tax on the second item is $19.25 how much does the s

econd item cost before tax
​
Mathematics
1 answer:
PilotLPTM [1.2K]3 years ago
4 0

Answer:$240.62

Step-by-step explanation:

You divide 22/272 to get .08 then you divide 19.25 by .08 to get 240.62.

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How can you check that this answer is correct? 5,244 = 6= 874​
nignag [31]

I think you meant 5,244 ÷ 6 = 874.

Answer/Step-by-step explanation:

We can check if this 5,244 ÷ 6 = 874 is correct by doing it opposite.

Since it 5,244 divide 6 we can do 874 x 6.

  \left[8   7   4] \\

×    [6]

======

+ 5244

=======

5244

Hence, this answer is correct.

[RevyBreeze]

3 0
2 years ago
A function is given. h(t) = t2 + 3t; t = −1, t = 2
Arlecino [84]

Answer:

(a) The net change of the function is 12.

(b) The average rate of change of the function 4.

Step-by-step explanation:

The average rate of change of function f(x) over the interval a\leq x\leq b is given by this expression:

average rate of change =  \frac{net \:change \:in \:y}{change \:in \:x} = \frac{f(b)-f(a)}{b-a}

It is a measure of how much the function changed per unit, on average, over that interval.

Given:

h(t)=t^2+3t\\\\t=-1\\t=2

(a) To find the net change of the function, first we calculate the values of h(2) and h(-1)

h(-1)=(-1)^2+3(-1)=-2\\\\h(2)=(2)^2+3(2)=10

The net change is simply the difference

h(2)-h(-1)=10-(-2)=12

(b) The average rate of change takes the net change and divides it by the change in the t value.

\frac{12}{2-(-1)} =\frac{12}{3}=4

5 0
3 years ago
Read 2 more answers
What is the volume of a pyramid that is 15mm , 18mm , 21mm in cubic millimeters
Ugo [173]

Answer:

V=1890mm

Step-by-step explanation:

You must use its formula: which is

V=(Length x height x width) / 3

V=(15x18x21)/3

V=5670/3

V=1890mm

3 0
3 years ago
Read 2 more answers
. If x = 7 + 4√3 then find the value of x2<br> – 1/x2
inessss [21]

Answer:

you can use mathpapa it works

Step-by-step explanation:

5 0
3 years ago
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What is this answer please help
Burka [1]

Answer:

22 x 20 is 440 ,

8x16 is 128 ,

440 - 128 is 312

Step-by-step explanation:

I THINK

8 0
3 years ago
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