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2 years ago

A notebook costs $4.50 plus sales tax. After sales tax, the notebook is $4.86. What is the percent of tax?

Mathematics

1 answer:

irinina [24]2 years ago

6 0

8 percent because 8 percent of 4.5 is 0.36 and you just add and you get 4.86

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Trisha has a game board as shown below, which is a square that has a total area of 400 square inches. The area of the large circ

Mazyrski [523]

Answer: First option is correct.

Step-by-step explanation:

Since we have given that

Total area of square inches = 400

The area of the large circle = 314

Now, we need to find the probability that Trisha will not get any points with one randomly thrown dart that lands somewhere inside the square,

Let E be the event the Trisha will get points .

so,

$P(E)=\frac{314}{400}$

As we know that

$P(E')=1-P(E)\\\\P(E')=1-\frac{314}{400}\\\\P(E')=\frac{400-314}{400}\\\\P(E')=\frac{86}{400}\\\\P(E')=0.215=0.22$

So, Probability that Trisha will not get any points with one randomly thrown dart that lands somewhere inside the square = 0.22

So, First option is correct.

4 0

2 years ago

Read 2 more answers

A shirt is on sale for 30% off the original price of $85.00.

wlad13 [49]

Answer:

59.5

Step-by-step explanation:

30% of 85 is 25.5

85-25.5=59.5

5 0

2 years ago

2x — бу = 12<br> х+ 10 = — 9

Serggg [28]

Answer:

x = -19; y = 25/3

Step-by-step explanation:

Step 1: solve the equation with only one variable

Isolate the variable (x)

x + 10 = -9

x = -9 - 10

x = -19

Step 2: input new information into the other equation

If x = -19, then:

2(-19) - 6y = 12

Isolate the variable (y)

-38 - 6y = 12

-6y = 12 + 38

-6y = 50

y = 50 ÷ 6

y = 50/6

Simplify

y = 25/3

5 0

3 years ago

The probability of drawing a yellow or green marble out of a bag containing 3 blue, 2 green , 8 yellow , 4 red , and 3 orange ma

WINSTONCH [101]

Answer:

$\frac{10}{23}$

Step-by-step explanation:

add green and yellow which is 10 over the whole thing which is 23

5 0

2 years ago

Is this correct? I'm really confused xD

denpristay [2]

Yes, your current answer is correct. Divide each term by the divisor.

4 0

3 years ago