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777dan777 [17]
3 years ago
12

Simplify the expression. 6k – 1 + 6k

Mathematics
2 answers:
scZoUnD [109]3 years ago
7 0
The two 6ks will add together.
6k + 6k - 1
12k - 1
den301095 [7]3 years ago
5 0
12k-1 is the simplified answer
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Hoy do i solve y=x+1 Using The substitution meathod
schepotkina [342]
Sub y = 0 in to find x intercept and x = 0 in to find y intercept 
8 0
3 years ago
The diagonals of an isosceles trapezoid are 3x + 7 and 5x – 11. What is the value of x?
Alja [10]
In a trapazoid the diagonals are the same so therefore the two equations equal echother

3x+7=5x-11  solve for x by combining like terms

18=2x  then divide to unto multiplication

9=x

9 is the value of x

I hope I've helped!
7 0
3 years ago
Read 2 more answers
TIME LIMITED
mrs_skeptik [129]

Answer:

<h2>B.   9</h2>

Step-by-step explanation:

|<-------------- 27 ------------>|

L--------------M----------------N

       18                MN

LN = LM + MN

27 = 18 + MN

MN = 27 - 18

<h2>MN = 9</h2>
8 0
3 years ago
Could someone help me with this?
umka2103 [35]
---------------------------------------------
Find area of one triangle
---------------------------------------------
Area of triangle = 1/2 x base x height
Area of triangle = 1/2 x 9 x 11.75
Area of triangle = 52.875 ft²

---------------------------------------------
Find area of two triangles
---------------------------------------------
Area of 2 triangles = 52.875 x 2 
Area of 2 triangles = 105.75 ft²

---------------------------------------------
Find the cost of the flower beds
---------------------------------------------
1 ft² = $4.25
105.75 ft² = 105.75 x 4.25
105.75 ft² = $449.44 (nearest hundredth)

---------------------------------------------
Answer: $449.44
---------------------------------------------
8 0
3 years ago
Which of these situations can be modeled by an exponential function?
Gwar [14]

Answer:

B) A herd of lions whose numbers triple every decade.

Step-by-step explanation:

Situations that can be modeled by exponential functions:

A situation can be modeled by exponential functions when the change is a multiplication or a division, not a sum or subtractions.

In this question:

In option A, C and D the measures are a sum or subtractions, as the rate of change is always the same. So it rests option B as the answer, as tripling is multiplying by 3.

6 0
3 years ago
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