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Elis [28]
3 years ago
14

Found out g 2(g - 15) = -26 Please help

Mathematics
1 answer:
posledela3 years ago
4 0

Answer: g=2

Step-by-step explanation:

To solve this exercise you need to remember the following properties:

1. The Distributive property states that:

a(b+c)=ab+ac\\\\a(b-c)=ab-ac

2. The Addition property of Equality statest that:

If a=b, then a+c=b+c

3. The Subtraction property of Equality statest that:

If a=b, then a-c=b-c

4. The Division property of Equality statest that:

If a=b, then \frac{a}{c}=\frac{b}{c}

5. The Multiplication property of Equality statest that:

If a=b, then a*c=b*c

Given the equation:

2(g - 15) = -26

You must solve for "g" in order to find its value:

- Apply the Distributive property:

2g - 30= -26

- Apply the Addition property of Equality adding 30 to both sides of the equation:

2g - 30+30= -26+30\\\\2g=4

- Apply the  Division property of Equality dividing both sides by 2:

\frac{2g}{2}=\frac{4}{2}\\\\g=2

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In segment AC, the midpoint is B. If segments AC = 5x-9 and AB = 2x, what is the measure of segment AC.
IgorLugansk [536]

Answer:

The measure of segment AC is 36 units

Step-by-step explanation:

- The mid-point divides the segment into two equal parts in length

- B is the mid point of segment AC

- That means B divides segment AC into two equal parts in length

∴ AB = BC

∵ AC = 5x - 9

∵ AB = 2x

- The two parts AB and BC are equal in length

∴ BC = 2x

∵ AC = AB + BC

- Substitute the values of AB and BC in the expression of AC

∴ AC = 2x + 2x

∴ AC = 4x

∵ AC = 5x - 9

- Equate the two values of AC

∴ 5x - 9 = 4x

- Add 9 to both sides

∴ 5x = 4x + 9

- Subtract 4x from both sides

∴ x = 9

- Substitute the value of x in any expression of AC

∵ AC = 4x

∵ x = 9

∴ AC = 4(9) = 36

* The measure of segment AC is 36 units

8 0
3 years ago
Solve for x. Show the equation you used and your work.
nasty-shy [4]
Here, You need to apply "Proportionality Theorem"
According to this theorem, the ratio of components of a leg would be equal to the ratio of corresponding components of another leg.

In mathematical form, 
AB/BD = AC/CD

Substitute their values, 
36/24 = x/18
2/3 = x/18
x = 18*3 / 2
x = 54 / 2
x = 27

In short, Your Answer would be 27

Hope this helps!
5 0
4 years ago
This table shows some values of an exponential function. x у 01.25 1 2.50 25 3 10 What is the function?​
Helen [10]

Answer:

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Step-by-step explanation:

y= 1.25(2)^{x}

For x=0

y= 1.25(2)^{0} = 1.25

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y= 1.25(2)^{2} = 1.25(4)=5

For x=3

y= 1.25(2)^{3} = 1.25(8)=10

7 0
3 years ago
What value of x solves the equation? -(-5x + 3) = 17 What value of x solves the equati​
alexdok [17]

Step-by-step explanation:

-(-5x + 3) = 17

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5 0
3 years ago
What is the discriminant of the polynomial below? 2x^2+3x-7
zysi [14]

Answer:

Step-by-step explanation:

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6 0
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