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3 years ago

How is 8% sales tax like an 8% increase

2 answers:

7 0

A sales tax is an extra amount that is added onto a total. A percent increase is almost the same cause 8% sales tax and 8% increase is both the same amount of the total that is going to be added onto the total.

gogolik [260]3 years ago

5 0

Because when you buy something and there is a sales tax it adds the choosen percentage to the price. So like if there is a Bike for $75 and the Goverment wants 8% of the $75 the store would charge $6 more because 8% of $75 is $6 and the sales tax would be that $6

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Find the domain of the function f(x) = 7x2 + 8x - 15.

amm1812

Answer:

Domain is all real numbers or (negative infinity, positive infinity)

Step-by-step explanation:

Domain is all values of x (inputs) that will work with the function. Since a parabola has no limits for x, and all numbers work for x, then the domain can be any number. That leaves us with All Real Numbers as our answer.

5 0

2 years ago

Identify each of the following as rational or irrational

Lera25 [3.4K]

√23-irrational
104.42-rational
√64-irrational
49.396-rational
10.97846727460-rational

8 0

1 year ago

The diagram below shows the rectangle PLUM.

Illusion [34]

Answer:

Area of rectangle PLUM = 75.00 square units

Step-by-step explanation:

Since diagonal of rectangle divides the rectangle into two equal triangles,

Therefore, area of the rectangle PLUM = 2× area of triangle PLM

By the mean proportional theorem,

In ΔPLM,

AP² = AM × AL

6² = AM × 8

AM = $\frac{36}{8}$

AM = 4.5 units

Area of PLM = $\frac{1}{2}(\text{Base})(\text{height})$

= $\frac{1}{2}(ML)(AP)$

= $\frac{1}{2}(8 + 4.5)(6)$

= 12.5 × 3

= 37.5 units²

Now area of rectangle PLUM = 2×37.5 = 75 units²

Therefore, area of the rectangle is 75.00 square units.

3 0

2 years ago

What's

Iteru [2.4K]

Answer:

374/105.

Step-by-step explanation:

1/3 of 8 * 2/7

= 1/3 * 8 * 2/7

= 8/3 * 2/7

= 16/21.

2/5 of 7

= 2/5 * 7

= 14/5.

Adding 16/21 + 14/5

= 80 / 105 + (14*21) / 105

= 80/105 + 294/105

= 374/105.

8 0

2 years ago

How is the expression 7^-4 written using a positive exponent?

Pavlova-9 [17]

It would be written as a fraction to make the exponent negative put it over one : 1/7^4

4 0

3 years ago