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loris [4]
3 years ago
11

What inverse operation do we use to get the variable term alone?

Mathematics
1 answer:
kolezko [41]3 years ago
7 0

Answer:

Subtraction

Step-by-step explanation:

First, use inverse operations (subtraction) to get the term that includes a variable, by itself on one side of the equal sign.

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The factorization of x² + 3x -4 is modeled with algebra
nydimaria [60]
  • y=x²+3x-4
  • y=x²+4x-x-4
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  • y=(x-1)(x+4)

Option C

5 0
2 years ago
Solve for x<br> 3/10 = x/7<br> Give your answer as an improper fraction in its simplest form!!!!!
julsineya [31]

Answer:

x = 21/10

Step-by-step explanation:

3/10 = x/7

Cross multiply.

10x = 21

x = 21/10

5 0
3 years ago
Read 2 more answers
A landscaping company is delivering crushed stone to a construction site .The Table shows the total weight in pounds W, of n loa
irina1246 [14]

Answer:

Option (C)

Step-by-step explanation:

From the given table,

Dependent variable is the weight of each load and independent variable is number of loads of crushed stones.

Let the equation that represents the total weight is,

W = mn + b

Where 'm' = slope of the line

b = y-intercept

n = number of loads

Since graph starts from the origin (0, 0), y - intercept 'b' will be 0.

Two points lying on the line are (0, 0) and (1, 2000)

Slope of the line 'm' = \frac{y_2-y_1}{x_2-x_1}

                                  = \frac{2000-0}{1-0}

                                  =2000

Therefore, equation will be,

W = 2000n

Option (C) will be the answer.

3 0
3 years ago
Use the drawing tools to form the correct answers on the grid.
igor_vitrenko [27]

Answer:

The function f(x)= \frac{1}{x^2+2} is continuous for all real numbers

Step-by-step explanation:

To know the possible points of discontinuity of this function, we must find out when the denominator of the function is equal to 0.

The denominator is:

x ^ 2 + 2

Then we equal 0 and clear x

x ^ 2 +2 = 0\\\\x ^ 2 = -2

x ^ 2> 0 for any real number.

This means that

x ^ 2 +2> 0 <em>for all reals numbers</em>.

Therefore, the function f(x)= \frac{1}{x^2+2} is <em>continuous</em> for all real numbers, that is, it does not have discontinuities.

The graphic of this function is shown in the image

4 0
3 years ago
3. A wildlife refuge in South America has howler monkeys and spider monkeys. A biologist working there randomly selected eight a
Aneli [31]
Given:

<span>howler monkey: {15, 16, 17, 17, 17, 17, 18, 19}
</span><span>spider monkey: {12, 13, 13, 14, 14, 14, 16, 16}

The mean of the first set (howler monkey) = (15 + 16 + 17 + 17 + 17 +17 + 18 + 19)/ 8 
The sum of all weights is divided by the number of monkeys weighed (n = 8)

mean = 17

Do the same for the second set (spider monkey) = 12+ 13 + 13+ 14 + 14+ 14 +14 +16 + 16 / 8

mean = 15.75

The ratio of the two is 17:15.75 or 1.08 is to 1. </span>
3 0
3 years ago
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