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4 years ago

Ben bought an item in a grocery store marked at $8, and the total bill with sales tax was $8.28. What was

2 answers:

7 0

3.5
Explanation:
Every dollar has tax on it so if you multiply 8 by 3.5 you get 28 + the 8 dollars you already have so that will be $8.28

Bad White [126]4 years ago

3 0

The sales tax rate is 3.5

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Plot point C(2,7). If M is the midpoint of CD , what are the coordinates of D?

Y_Kistochka [10]

Answer:

The coordinates of D is (-4,-9)

Step-by-step explanation:

Given

C = (2,7)

M=(-1,-1) ----- Missing part of question

Required

Determine the coordinates of D

Let the coordinates of D be (x₂,y₂)

We'll solve this question using mid point formula;

$M(x,y) = (\frac{x_1+x_2}{2},\frac{y_1+y_2}{2})$

Where

$C(x_1,y_1) = (2,7)$ and $M(x,y) = (-1,-1)$

Put these values in the formula

$(-1,-1) = (\frac{2+x_2}{2},\frac{7+y_2}{2})$

By comparison;

$-1 = \frac{2+x_2}{2}$ and $-1 = \frac{7+y_2}{2}$

$-1 = \frac{2+x_2}{2}$

Multiply both sides by 2

$-2 = 2 + x_2$

Subtract 2 from both sides

$-2 -2 = x_2$

$x_2 = -4$

$-1 = \frac{7+y_2}{2}$

Multiply both sides by 2

$-2 = 7 + y_2$

Subtract 7 from both sides

$-2 - 7 = y_2$

$y_2 = -9$

Hence, the coordinates of D is (-4,-9)

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3 years ago

Which numbers make the inequality true?

Fofino [41]

Answer:

Step-by-step explanation:

i had the same answer and got it right

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3 years ago

KENNY IS ALLOWED TO WATCH UP TO FIVE HOURS OF TV A WEEK. WRITE AN INEQUALITY THAT SHOWS THE NUMBER OF HOURS KENNY CAN WATCH TV.

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H = hours, so h is less than or equal to 5.

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3 years ago

Read 2 more answers

Factor the polynomials 23−162

masha68 [24]

Answer:

-139

Step-by-step explanation:

23-162=

-139

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3 years ago

At a certain college, there were 700 science majors, 300 engineering majors, and 500 business majors. If one student was selecte

Sliva [168]

The probability that the major of one student that is selected at random is engineering can be calculated by the total number of engineering major divided by the total number of students

p = engineering / total students
p = 300 / ( 300 + 700 + 500)
p = 0.2 is the probability of the major of one student is engineering

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3 years ago