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ValentinkaMS [17]
3 years ago
15

Tell whether the lines for each pair of equations are parallel, perpendicular, or neither. y =-7/2x - 9 -14x - 4y = -20

Mathematics
1 answer:
RideAnS [48]3 years ago
3 0
Parallel. slope is ,-7/2 for both
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What the simplified of 2/3 dived by 2/9
mars1129 [50]

Answer:

3

Step-by-step explanation:

Divide \dfrac{2}{3} by \dfrac{2}{9}:

\dfrac{2}{3}:\dfrac{2}{9}=\dfrac{2}{3}\cdot \dfrac{9}{2}=\dfrac{2\cdot9}{3\cdot 2}=\dfrac{9}{3}=3.

6 0
4 years ago
Please help me with this problem. I have tried many times and have gotten it wrong. I need help especially on the last part. Can
Arlecino [84]

1) The domain is all the possible x values in the function so it would be [-4,4]

2) There are only 3 zeros shown on the graph and they are (-2, 0) (0, 0) (2, 0) the zeros are the value of x when y = 0.

3)The function is positive/Negative is asking for what x values make the y values positive aka interval notation. The function is positive if x = (0, 2) because 0 and 2 aren't included you use parentheses () instead of brackets []  

The function is negative if x [-4, -2), (-2,0), (2,4]

5 0
3 years ago
1. At a certain company, the human resources department surveyed employee satisfaction. They collected the following data. (a) H
PilotLPTM [1.2K]
A] From the graph, there is strong correlation between the satisfaction score and salary, this is implied by the closeness of the points on the graph.
b] Given that Hilda use the function y=0.0005x +60 to model the relationship, the score for $65000 will be given as follows;
y=0.0005(65000)+60
y=92.5
The number 0.0005 shows the rate of change of job satisfaction with salary
4 0
4 years ago
I have 8 boxes of chocolate i eat 3 chocolates from each box i now have 72 chocolates in total
nydimaria [60]

Answer: there were 12 chocolates in each box. (Originally, before any got eaten)

Step-by-step explanation: let x represent the total amount of chocolates in each box.

8x - 3(8) = 72

8x - 24 = 72 add 24 to both sides

8x = 96 divide both sides by 8

X = 12

8 0
3 years ago
Read 2 more answers
Find the length of each line segment or object to the nearest half or fours or eighth inch
Aliun [14]

Answer:

a. 1\frac{1}{8} in.

Step-by-step explanation:

<em>hey there,</em>

<em />

< There are 8 marks between 1 in. and 2 in. and here we can see that the distance of the line goes only up to the first mark.

Imagine this like a pizza that's divided into 8, but you only took 1 slice. That means you took only \frac{1}{8} of the pizza. It is the same here on the ruler.

It's not only 1/8 though because we also have to add in the first inch. After that inch, we also have 1/8 of an inch. So 1\frac{1}{8} in. would be your final answer. >

<u>Hope this helped! Feel free to ask anything else.</u>

4 0
4 years ago
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