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valentinak56 [21]
3 years ago
11

What is the product of −2 1/2 and −3 1/2 ? Enter your answer as a mixed number, in simplified form, in the box.

Mathematics
2 answers:
LuckyWell [14K]3 years ago
6 0
8 3/4 is your answer in a mixed number form
Dima020 [189]3 years ago
5 0
The answer wouldbe -2 1/2
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What is one way to find the total cost of a pair of shoes for $57 with a sales tax of 2%?
cestrela7 [59]
Hello Nozohonoumi,

Answer:

Price: $ 57.00

Sales Tax (2%): $ 1.14
 
Total: $ 58.14
4 0
3 years ago
What is the slope of the line that goes through the points (1,-5) and (4,1)?
lesya692 [45]

Answer: m = 2

Step-by-step explanation:

What we know:

  • The slope needs to pass through the points (1, -5) and (4, 1)
  • There are 4 potential slopes given to us- only one is correct
  • We need to find the slope and make sure it is an option

How to solve:

By using the slope equation and the two points given to us, we can calculate the slope.

Process:

  • Set up equation                                                 (y2 - y1) / (x2 - x1)
  • Substitute                                                            (1 +5 ) / (4 - 1)
  • Simplify                                                                6 / 3
  • Simplest form                                                      2/ 1 =

Slope =                                                                          2

Solution: m = 2

4 0
2 years ago
Which statements about the system are true?
Kruka [31]

2 Answers:

  • B)  The lines are parallel
  • C)  The lines have the same slope.

Parallel lines always have equal slope, but different y intercepts.

==========================================================

Explanation:

Let's solve the second equation for y

3y - x = -7

3y = -7+x

3y = x-7

y = (x-7)/3

y = x/3 - 7/3

y = (1/3)x - 7/3

The equation is in y = mx+b form with m = 1/3 as the slope and b = -7/3 as the y intercept. We see that the first equation, where y was already isolated, also has a slope of m = 1/3. The two equations of this system have the same slope. Choice C is one of the answers.

However, they don't have the same y intercept. The first equation has y intercept b = -4, while the second has b = -7/3. This means that they do not represent the same line. They need to have identical slopes, and identical y intercepts (though the slope can be different from the y intercept of course) in order to have identical lines. So we can rule out choice D and E because of this.

Because the two equations have the same slope, but different y intercepts, this means the lines are parallel. Choice B is the other answer.

Parallel lines never touch or intersect, which in turn means there is no solution point. A solution point is where the lines cross. We can rule out choice A.

I recommend using your graphing calculator, Desmos, GeoGebra, or any graphing tool (on your computer or online) to graph each equation given. You should see two parallel lines forming. I used GeoGebra to make the graph shown below.

5 0
3 years ago
Pls answer these questions .​
Agata [3.3K]

Answer:

1. PQ

2. PR

3. OR/OP

4. OR/OP

5. RO

Step-by-step explanation:

3 0
2 years ago
Read the excerpt from act 1 of The Monsters Are Due on Maple Street.
Vika [28.1K]

Answer:

it is D. the murmurs of a group

Step-by-step explanation:

5 0
3 years ago
Read 2 more answers
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