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lina2011 [118]
3 years ago
9

Choice 1: Angela and Kellie went to lunch. Their bill before tax was $20.00. Tax is 8%. How much tax should

Mathematics
1 answer:
Zolol [24]3 years ago
4 0

Answer:

$1.60

Step-by-step explanation:

Amount of tax paid = percentage of tax to be paid x bill before tax

0.08 x $20 = $1.60

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Gina shows the steps she took to find the solution of the inequality below.
Leviafan [203]

Answer:

hello,2 th made from the wrong place.

because She should have distributed the -2 inside the parentheses.

the process should be like this;

19-2(1-x)<13

17(1-x)<13

17-17x<13

-17x<13-17 (17 goes to the opposite side as -17)

-17x<-4 (we divide each side by 17)

x= -4/-17

I hope you understand. There are errors in the first 2 parts of the question.

6 0
3 years ago
determine the maximum or minimum of the quadratic function. express your answer in the form (x,y) and using decimals rounded to
kolezko [41]

We are given the following quadratic equation

f(x)=2x^2+7x-10

The vertex is the maximum/minimum point of the quadratic equation.

The x-coordinate of the vertex is given by

h=-\frac{b}{2a}

Comparing the given equation with the general form of the quadratic equation, the coefficients are

a = 2

b = 7

c = -10

h=-\frac{b}{2a}=-\frac{7}{2(2)}=-\frac{7}{4}=-1.75

The y-coordinate of the vertex is given by

\begin{gathered} f(x)=2x^2+7x-10 \\ f(-1.75)=2(-1.75)^2+7(-1.75)-10 \\ f(-1.75)=2(3.0625)^{}-12.25-10 \\ f(-1.75)=6.125^{}-12.25-10 \\ f\mleft(-1.75\mright)=-16.13 \end{gathered}

This means that we have a minimum point.

Therefore, the minimum point of the given quadratic equation is

(-1.75,-16.13)

7 0
1 year ago
Read 2 more answers
10 to the first power times 16.29
Mumz [18]

Answer:

162.9

Step-by-step explanation:

10 to the first power is 10 and 10 x 16.29=162.9

4 0
3 years ago
Read 2 more answers
Suppose a data set of 350 observations (N 350) was analyzed using OLS to examine the factors that influence the salaries of prof
SSSSS [86.1K]

Answer:

Step-by-step explanation:

True

4 0
3 years ago
What is a decimal that is equivalent to the fraction 28<br> ___<br> 100​
Jobisdone [24]
The decimal that’s equivalent to 28/100 is 0.28
4 0
3 years ago
Read 2 more answers
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