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Ainat [17]
3 years ago
8

What is the reciprocal of each number?

Mathematics
2 answers:
Usimov [2.4K]3 years ago
7 0
A
2/9=9/2
-9/2=-2/9
9/2=2/9
-2/9=-9/2



astraxan [27]3 years ago
4 0

Answer:A...................

Step-by-step explanation:

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What is the equation of the following line?
ratelena [41]

Answer:

A

Step-by-step explanation:

5 0
3 years ago
Lily is in the business of manufacturing phones. She must pay a daily fixed cost to rent the building and equipment, and also pa
Nesterboy [21]

Answer:

<h2>The slope is 100</h2>

Step-by-step explanation:

Given that the equation that represents the total cost is given as

C=900+100p--------1

this equation is the same as the equation of a straight line, and we can deduce from it when we compare it the straight line equation

the equation of a line is given as

y=mx+c------2

comparing equation 1 and 2 we have the slope as

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In the context of this problem m=100 means that the cost of producing a phone per material and labour cost is $100

7 0
3 years ago
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4 0
3 years ago
How to find an equation for a line through two given points?​
xz_007 [3.2K]

Answer:

The equation of the line is: y = 0.6x + 0.6

Step-by-step explanation:

Equation of a line:

The equation of a line has the following format:

y = mx + b

In which m is the slope and b is the y-intercept.

Two points:

We have these following two points in this exercise:

x = -6, y = -3, so (-6,-3)

x = 4, y = 3, so (4,3)

Finding the slope:

Given two points, the slope is given by the change in y divided by the change in x.

Change in y: 3 - (-3) = 3 + 3 = 6

Change in x: 4 - (-6) = 4 + 6 = 10

So

m = \frac{6}{10} = 0.6

Then

y = 0.6x + b

Finding b:

We replace one of the points in the equation to find b. I will use (4,3).

y = 0.6x + b

3 = 0.6*4 + b

2.4 + b = 3

b = 0.6

The equation of the line is: y = 0.6x + 0.6

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3 years ago
Lily ran 1,000 meters in 12 minutes. How many meters/minute did she run?
vladimir2022 [97]

Answer:

1,000 divided by 12=

aprox 83.3 meters per minute

5 0
3 years ago
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