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likoan [24]
3 years ago
15

Solve for X I really need some help on this :(

Mathematics
1 answer:
777dan777 [17]3 years ago
6 0

Step-by-step explanation:

By Geometric mean property:

{x} =  \sqrt{12 \times 27}  \\  =  \sqrt{4  \times 3 \times  {3}^{3} }  \\  =  \sqrt{ {2}^{2} \times  {3}^{4}  }  \\  = 2 \times  {3}^{2}  \\  = 2 \times 9 \\  = 18 \\  \\   \huge \red  { \boxed{\therefore \: x = 18}}

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hayden and jamie completed 20 math problems together, jamie completed 2 more than twice the number that hayden completed. Let p
alexdok [17]

Answer:

2p+2+p = 20

Step-by-step explanation:

Let p represent the number of Math problems Hayden completed.

Let 2p+2 represent the number of Math problems Jamie completed.

Next, we have to<u><em> add them together</em></u> so that the total Math problems they completed will be equal to 20.

Let's solve.

  • 2p+2+p = 20
  • 3p+2 = 20
  • 3p = 20-2
  • 3p = 18
  • p = \frac{18}{3}
  • p = 6

Therefore, Hayden completed 6 Math problems.

Next, we have to get how many problems Jamie completed.

Let's solve.

  • 2p+2 = ?
  • 2(6)+2 = ?
  • 12+2 = ?
  • 14

Therefore, Jamie completed 14 Math problems.

Let's check.

  • 2p+2+p = 20
  • 14+6 = 20
  • 20 = 20

It's correct!

8 0
3 years ago
Find the coordinates of the midpoint of CM with endpoints C(1, -6) and M(7,5).
Vilka [71]

Answer: The coordinates of the midpoint of CM with endpoints C(1, -6) and M(7,5) are (4,-\dfrac{1}{2}).

Step-by-step explanation:

We know that the coordinates of the midpoint(x,y) of line joining A(a,b) and B(c,d) is given by :-

(x,y)=(\dfrac{a+c}{2},\dfrac{b+d}{2})  .....(i)

Given : The coordinates of endpoints of CM are C(1, -6) and M(7,5)

Then , by using (i) , the coordinates of the midpoint of CM would be :-

(\dfrac{1+7}{2},\dfrac{-6+5}{2})\\\\=(\dfrac{8}{2},\dfrac{-1}{2})\\\\=(4,-\dfrac{1}{2})

Hence,  the coordinates of the midpoint of CM with endpoints C(1, -6) and M(7,5) are (4,-\dfrac{1}{2}).

3 0
3 years ago
Can somebody help me answer this plz?
vova2212 [387]

It’s D because clock wise is right then you enlarge it to fit the new triangle

8 0
3 years ago
Read 2 more answers
Solve for x I can’t seem to get it I feel so stupid I’m sorry but please someone help me
photoshop1234 [79]

Use the Side Splitter Theorem (also known as the Basic Proportionality Theorem)

5/3 = 6/x

5x = 3 * 6

5x = 18

x = 3.6

Answer: B. 3.6

7 0
4 years ago
Read 2 more answers
Segment addition postulate. Trying to help my son figure out how to solve. Given AC=39. A=2x-8, B=x×17. Find X, AB AND BC. We go
Sveta_85 [38]
Segment addition postulate says
AB+BC=AC

assuming that A, B, C are in order, and assuming that those are the points,

legnth of AC=|A-C|=39 (|x| means absolute value of x)

A=2x-8
b=17x
AB=|A-B|=|2x-8-17x|=|-8-15x|


we are only given AB but not BC so this is not solvable unless you know BC
AB+BC=AC
BC=AC-AB

BC=39-|-8-15x|
that's as far as I can go since we don't know any more
4 0
3 years ago
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