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prohojiy [21]
3 years ago
12

A laptop has a listed price of $611.98 before tax. If the sales tax rate is 7.75%, find the total cost of the laptop with sales

tax included.
Round your answer to the nearest cent, as necessary.
Mathematics
1 answer:
Andrei [34K]3 years ago
6 0

Answer:

$659.41 is the total with tax rounded

Step-by-step explanation:

$611.98 * 7.75%= 47.42845

$611.98 + 47.43 = $659.41

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the width of a rectangle is the length minus 2 units. The area of the rectangle is48 units. What is the width, in units, of the
tatuchka [14]

Answer:

6

Step-by-step explanation:

put unknown as y

area of rectangle = width × long

y(y - 2)=48

y² -2y =48

u can use scientific calculator to find this

y²-2y-48=0

(y-8)(y+6)=0

y=8 y=-6

take the positive value and ignore the negative value

width=y-2 long=8

8-2=6

I hope this help you :)

6 0
3 years ago
G(n) = n + 3<br> f(n) = n + 1<br> Find (g•f)(-4)
malfutka [58]
He did this to this 64
4 0
3 years ago
Find the x-intercept of the parabola with vertex (1,-13) and y-intercept (0,-11).
Advocard [28]
1. find equation

general solutions are:
y = a x^{2} +bx +c \\ \\ \frac{dy}{dx} = 2ax +b

for P(0,-11)

-11 = 0a + 0b +c ⇒c = -11

for p(1,-13)
-13 = 1a + 1b -11 \\ a+b = -2

and

0 = 2a + b \\ b = -2a

solve for a and b:
a - 2a = -2 \\ a = 2 \\ b = -4

the total equation is now:

y = 2 x^{2} -4x -11

To find the x-intercept set y=0 and solve for x

0 = 2 x^{2} -4x-11
4 0
3 years ago
Read 2 more answers
enuity CUBetween which two numbers will you find 5.634 x 102?OA) 0.0562 and 0.0563OB) 0.0563 and 0.0564OC) 562 and 563OD) 563 an
Rudiy27

The number:

5.634\times10^2

is going to be between the numbers 563 and 564; since 10 squared equals 100 and the decimal point will move to places to the right.

Therefore, the answer is D.

8 0
1 year ago
Asap solve problem please. Will give BRAINLIEST.​
Vera_Pavlovna [14]

Answer:

5 ft, 6.5 ft, 7 ft

Step-by-step explanation:

area of trapezoid = (base1 + base2)h/2

Let the unknown base = x

area of trapezoid = (8.5 + x)(6)/2

area = 3x + 25.5

We want the area to be between 40 ft^2 and 48 ft^2.

40 < 3x + 25.5 < 48

14.5 < 3x < 22.5

4.8333 < x < 7.5

Answer: 5 ft, 6.5 ft, 7 ft

6 0
3 years ago
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