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Anvisha [2.4K]
3 years ago
7

Lesson 2-3

Mathematics
1 answer:
malfutka [58]3 years ago
6 0

Answer:

18. g= -3

19. x= -1

20. n= 3

21. p= -1

22. d= -3

23. a= 5

Step-by-step explanation:

how to solve the variable (using 18 as an example)

step 1: simplify both sides of the equation.

20+g+g=14

(g+g)+(20)=14(combine like terms)

2g+20=14

2g+20=14

step 2: subtract 20 from both sides.

2g+20−20=14−20

2g=−6

step 3: divide both sides by 2.

2g/2 = -6/2

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Snowcat [4.5K]

Answer:

16.75

Step-by-step explanation:

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3 years ago
This isosceles triangle has two sides of equal length , a, that are longer than the length of the base , b. The perimeter of the
Sholpan [36]
We are give the equation of the perimeter of the triangle as follows:
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We know that a = 6.3 cm, therefore, the length of the base can be calculated as follows:
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4 years ago
What is the value of x? 20,35,60or70
riadik2000 [5.3K]

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8 0
3 years ago
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koban [17]

Answer:

(a)

Given: A line passes through the points (3, -2) and (6, 2)

Point slope form: An equation of line passing through two points (x_1, y_1) and (x_2, y_2) is given by:

y -y_1=m(x-x_1`)  .....[1] where m is the slope of the line.

Calculate first the slope of the line:

Slope(m) = \frac{y_2-y_1}{x_2-x_1}

Substitute the given points;

m = \frac{2-(-2)}{6-3}=\frac{2+2}{3} =\frac{4}{3}

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therefore, the equation of line in point slope form is, y+2=\frac{4}{3}(x-3)    

(b)

to find the standard form of the equation [1]

Multiply both sides by 3  in [1] we get;

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using distributive property;   a\cdot (b+c) = a\cdot b + a\cdot c

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Subtract 3y to both sides we get;  

3y + 6 -3y = 4x - 12 - 3y

Simplify:

6 = 4x - 3y -12

Subtract 6 from both sides we get;

0 = 4x - 3y -12-6

Simplify:

4x - 3y - 18 =0

Therefore, the standard form of the equation is; 4x - 3y - 18 =0

7 0
3 years ago
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Ivenika [448]
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