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tangare [24]
3 years ago
10

0.2x + 0.9 = 0.3 - 0.1x

Mathematics
2 answers:
Hoochie [10]3 years ago
4 0

0.2x+0.9 = 0.3-0.1x

0.2x+0.1x = 0.3-0.9

0.3x = -0.6

x = -0.6/0.3

x = -0.2

borishaifa [10]3 years ago
4 0
First get the variables onto one side. Add 0.1x to both sides and subtract 0.9 to both side. You should get 0.3x=-0.6. Divdie 0.3 to both side and x=2. 

Hope that helps.
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2. Simplify each expression into its standard<br> (x - 3)(6x - 2)
nikitadnepr [17]

Answer: 6x² - 20x + 6

Step-by-step explanation:

x(6x - 2) -3(6x - 2)

= 6x² - 2x - 18x + 6

= 6x² - 20x + 6

7 0
3 years ago
Mrs. Dider had $75 to purchase supplies for a party. She bought 46 party favors and 63 cupcakes. Each party favor cost $0.75 and
MatroZZZ [7]

Answer:

$7.74

Step-by-step explanation:

0.75x46=34.5

0.52x63=32.76

34.5+32.76=67.26

75-67.26=7.74


6 0
3 years ago
ANSWER PLZ QUICK AND FAST
Tpy6a [65]

It rises to the right so the slope is negative

Slope = rise / run = 18 / -9 = -2

The y intercept is at y = -3 so using the form y = mx + b we get

y = -2x - 3 which is option B (answer)

5 0
3 years ago
Read 2 more answers
What is bigger 3/7 or 2/10?
yanalaym [24]
3/7. if you make them equivalent fractions it would be 30/70 or 14/70. 30/70 is bigger.
7 0
3 years ago
Reasoning Graph the set of ordered pairs (0, 2). (1.4), (2,6). (3.8). Determine whether the relationship is a linear function Ex
polet [3.4K]

Answer:

No, it does not. See below.

Step-by-step explanation:

Lets find out the linear equation that passes trough (-2, 0) and (0, -6).

We know every linear equation has the form: y = mx + b

Where m is the slope on the curve and b the independent term.

We know that, given 2 points (x1,y1) and (x2,y2) we can find the slope m as:

m = (y2-y1)/(x2-x1)

In our case lets replace (x1,y1) and (x2,y2) by (-2, 0) and (0, -6) (notice it could be done in the inverse sense where (-2, 0) is (x2,y2) and (0, -6) is (x1,y1) ). So, our slope is:

m = [-6 - 0] / [0 - (-2)]

m = -6/2 = -3

So, we have a downward linear function with slope -3, this is:

y =  -3x + b

Now, for finding b just replace any of the 2 points given in the equation. Lets replace (-2, 0):

0 = -3(-2) + b

0 = 6 + b

Subtracting 6 in both sides:

-6 = b

So, our independent term is -6 and the function is:

y = -3x - 6

Now lets see if this linear eqution passes trough (2,6). If it does, we can replace the values on the equation. Replacing x by 2:

y = -3(2) - 6 = = -6 - 6 = - 12

So, in our equation, we x is 2 y is -12, and not 6 as in the point (2,6). So, our equation does not passes trough (2,6)

5 0
3 years ago
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