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kondor19780726 [428]
3 years ago
10

Simonne used the following steps to simplify the given expression. 12 - 3(-2x + 4)

Mathematics
2 answers:
lions [1.4K]3 years ago
8 0
B: inverse property of addition
velikii [3]3 years ago
6 0
Inverse property of addition
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A line with a slope of 9 passes through the points (-7,-10) and (-6,g).What is the value of g?
aleksklad [387]

Answer:

g = -1

Step-by-step explanation:

Given the following data;

Slope, m = 9

Points = (-7, -10) and (-6, g)

X-axis = x1, x2 = (-7, -6)

Y-axis = (y1, y2) = (-10, g)

Mathematically, slope is given by the formula;

Slope = \frac{Change \; in \; y \; axis}{Change \; in \; x \; axis}

Slope, m = \frac {y_{2} - y_{1}}{x_{2} - x_{1}}

Substituting into the equation, we have;

9 = (g - (-10))/(-6 - (-7)

9 = (g + 10)/(-6 + 7)

9 = (g + 10)/1

Cross-multiplying, we have;

9 = g + 10

g = 9 - 10

g = -1

5 0
3 years ago
(3,15) is the solution for what equation
juin [17]
<span>Hello there, i think the answer is 15=3*5
(Please leave a thanks if this IS the right answer! Thanks ;)
What times 3 = 15?
x*3=15
X=5</span>
5 0
3 years ago
Needing help on my geometry final, I have been in and out of the hospital, any help is appreciated.
quester [9]

Answer:

1. area = 1/2bh = (1/2)(21)(18) = 189 yd²

2. 3x2x3x2 = 36 different ways

3. area of kite = (1/2)(18)(24) = 216 units²

4. 8:52  or reduced,   2:13

5. Sorry, this is not my strong point

Step-by-step explanation:

7 0
3 years ago
A farmer estimated that there were 25 gallons of water left in a tank. If this is an underestimate by 16%, how much water was ac
djyliett [7]

Answer:

The actual water in the tank is 29.76 gallons.

Step-by-step explanation:

It is given that the farmer estimated amount of water is 25 gallons.

It is also given that he underestimate the water in tank by 16%.

Let the actual water in tank be x.

(1-\frac{16}{100})x=25

(\frac{100-16}{100})x=25

84x=25\times 100

x=\frac{2500}{84}

x=29.7619

x\approx 29.76

Therefore the actual water in the tank is 29.76 gallons.

8 0
3 years ago
I dont get it?? how do i set it up?? im so... confused?? can i get some helpm
snow_tiger [21]

Well, you need a diagram (see attached).

Since angle S = angle T then

9x -11 = 7x -3  ......  2x = 8 ........ x = 4

RS = RT = 4

There must be some more information that can't be seen


5 0
3 years ago
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