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Fantom [35]
3 years ago
6

Suppose that the local sales tax is 4% and you buy a car for $17,950. How much tax is due?

Mathematics
1 answer:
ANEK [815]3 years ago
3 0

Answer:

718

Step-by-step explanation:

It can be done this way:

4% of 50.0 is 2.0

4% of 900 is 36

4% of 7000 is 280

4% of 10,000 is 400

add them all up and we have:

400 + 280 + 36 + 2 = 600 + 110 + 8 = 718

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Ratio for the volumes of two similar pyramids, given that the ratio of their edge lengths is 8:3?
emmasim [6.3K]
All you have to do is divide the left side of the ratio by 5 and the right side of the ratio by 7. The one that comes out even on both sides is the correct one.
6 0
3 years ago
Which mapping diagram does NOT represent a function from x → y?
alexandr402 [8]

Answer:

D

Step-by-step explanation:

The answer is D because for it to be a function x-value can only have one output. For D, 8 has two outputs 1 and 4.

5 0
3 years ago
Read 2 more answers
What is the distance of the point - 2, 3 from the x-axis​
makvit [3.9K]

Answer:

Distance formula =√(x2−x1)2+(y2−y1)2 Here, (x1,y1)=(2,0), (x2,y2)=(2,3). Thus the shortest distance of the point P (2, 3) to the x – axis is 3 units

3 0
2 years ago
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Select all possible equivalent expressions below
const2013 [10]

Answer:the 2nd the 3rd the 5th. Maybe the first.

Step-by-step explanation:

3 0
2 years ago
2x2 + 14x- 4 = - x2 + 3x
Firlakuza [10]

first, lets solve by factoring:

Let's solve your equation step-by-step.

2x2+14x−4=−x2+3x

Step 1: Subtract -x^2+3x from both sides.

2x2+14x−4−(−x2+3x)=−x2+3x−(−x2+3x)

3x2+11x−4=0

Step 2: Factor left side of equation.

(3x−1)(x+4)=0

Step 3: Set factors equal to 0.

3x−1=0 or x+4=0

x=

1

3

or x=−4

we can also solve using the quadratic formula:

2x2+14x−4=−x2+3x

Step 1: Subtract -x^2+3x from both sides.

2x2+14x−4−(−x2+3x)=−x2+3x−(−x2+3x)

3x2+11x−4=0

Step 2: Use quadratic formula with a=3, b=11, c=-4.

x=

−b±√b2−4ac

2a

x=

−(11)±√(11)2−4(3)(−4)

2(3)

x=

−11±√169

6

x=

1

3

or x=−4

lastly, we can complete the square.

2x2+14x−4=−x2+3x

Step 1: Add x^2 to both sides.

2x2+14x−4+x2=−x2+3x+x2

3x2+14x−4=3x

Step 2: Subtract 3x from both sides.

3x2+14x−4−3x=3x−3x

3x2+11x−4=0

Step 3: Add 4 to both sides.

3x2+11x−4+4=0+4

3x2+11x=4

Step 4: Since the coefficient of 3x^2 is 3, divide both sides by 3.

3x2+11x

3

=

4

3

x2+

11

3

x=

4

3

Step 5: The coefficient of 11/3x is 11/3. Let b=11/3.

Then we need to add (b/2)^2=121/36 to both sides to complete the square.

Add 121/36 to both sides.

x2+

11

3

x+

121

36

=

4

3

+

121

36

x2+

11

3

x+

121

36

=

169

36

Step 6: Factor left side.

(x+

11

6

)2=

169

36

Step 7: Take square root.

x+

11

6

=±√

169

36

Step 8: Add (-11)/6 to both sides.

x+

11

6

+

−11

6

=

−11

6

±√

169

36

x=

−11

6

±√

169

36

x=

1

3

or x=−4

Answer:

x=

1

3

or x=−4

5 0
3 years ago
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