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Marta_Voda [28]
4 years ago
5

How do I solve the equation 17=5k-2

Mathematics
2 answers:
pashok25 [27]4 years ago
7 0
17=5k-2
+2      +2
--------------
19=5k
---- ----
5     5 
k=3.8 
chubhunter [2.5K]4 years ago
4 0
17 = 5k-2
+2       +2  The first step is to add 2 to both sides
-------------
19 = 5k Then you divide both sides by 5

The answer is 3.8 = k
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How to find the volume of a triangle pyramid
steposvetlana [31]

Answer:

To find the volume of a triangle pyramid, you would use the formula  V = 1/3AH, where A = area of the triangle base, and H = height of the pyramid or the distance from the pyramid's base to the apex.

Hope this helps!!

8 0
3 years ago
Theorem: The segment joining the midpoints of two sides of a triangle is parallel to the third side and half its length. A two-c
natali 33 [55]

Answer:  By the slope formula.

Step-by-step explanation:

Given: ABC is a triangle (shown below),

In which A≡(6,8), B≡(2,2) and C≡(8,4)

And, D and E are the mid points of the line segments AB and BC respectively.

Prove: DE║AC and DE = AC/2

Proof:

Since, And, D and E are the mid points of the line segments AB and BC respectively.

Therefore, By mid point theorem,

coordinate of D are (\frac{2+6}{2} , \frac{2+8}{2} ) = (\frac{8}{2} , \frac{10}{2} )= (4,5)

Coordinate of E are  (\frac{2+8}{2} , \frac{2+4}{2} ) = (\frac{10}{2} , \frac{6}{2} )= (5,3)

By the distance formula,

DE=\sqrt{(5-4)^2+(3-5)^2}=\sqrt{5}

AC=\sqrt{(8-6)^2+(4-8)^2}=2\sqrt{5}

By the slope formula,

Slope of AC = \frac{4-8}{8-6} = \frac{-4}{2} = -2

Slope of DE =  \frac{3-5}{5-4} = \frac{-2}{1} = -2


            Statement                                              Reason

1. The coordinate of D are (4,5)  and           1. By the midpoint formula

the coordinate of  E are (5,3)

2. The length of DE = √5                            2. By the Distance formula

The length AC = 2√5 ⇒ Segment DE

is half the length of segment AC

3. The slope of DE = -2 and the                3. By the slope formula

slope of AC = -2

4. DE║AC                                                   4. Slopes of parallel lines are equal


7 0
3 years ago
Read 2 more answers
If 6:2=8:x, then<br> a. 6x=16<br> b. 6x=10<br> c.2x=48<br> d. 2x=14
otez555 [7]

Answer:

a)6x = 16

Step-by-step explanation:

<h2><u>Finding the value</u></h2>

the ratio can be solved by <u>cross multiplication :</u>

6       :          2

8       :          x

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4 0
3 years ago
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The cost of vacation to a cabin resort for a night is $95 for each person. Each cabin also has to pay a $25 recreational equipme
Blababa [14]
(x) = 95x + 25 is correct, since the $25 cost is fixed, but the $95 cost increases as x increases.
7 0
3 years ago
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Yakvenalex [24]

Answer:

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Step-by-step explanation:

given the 2 equations

7x - 2y = - 20 (1)

9x + 4y = -6 (2)

8 0
3 years ago
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