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lukranit [14]
3 years ago
5

Solve: 2/7 + 1/3 A:3/7 B:3/21 C:13/21

Mathematics
1 answer:
dexar [7]3 years ago
4 0
The correct answer is A
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Ms. Chen is planning to take her camp group on a field trip to Pottery Bayou where each person will create her own piece of art
erica [24]

Answer:

1. C=21x.

2. C=(8x+104).

Step-by-step explanation:

Let the number of people in the group be x. Denote the total cost as C.

1. If the regular cost is $21 per person, then the total regular cost for x people is C=21x.

2. If the special cost is $8 per person, then the total special cost for x people is \$8x. There is an additional $104 fee for a private room, thus the total special cost is C=(8x+104).

3 0
4 years ago
NO LINKS!!!
AlekseyPX

Answer:

  a.  2, 3, 6

  b.  a/b × c = 1

  c.  a = 2, b = 6, c = 3  or  a = 3, b = 6, c = 2

Step-by-step explanation:

Apparently, Erica wants to multiply a fraction by a whole number to get a result of 1. That means the fraction is the multiplicative inverse of the whole number.

__

<h3>a.</h3>

There is only one set of three unique numbers among those given such that one of them is a composite number with the other two as factors. Erica must choose 2, 3, and 6.

__

<h3>b. </h3>

If the three numbers are represented by a, b, c, Erica wants ...

  a/b × c = 1

__

<h3>c.</h3>

Multiplying the equation by b gives ...

  ac = b

Among the numbers 1–6, only 2×3 = 6 will satisfy this equation. Erica can choose either of ...

  a = 2, b = 6, c = 3   ⇒   (2/6)×3 = 1

  a = 3, b = 6, c = 2   ⇒   (3/6)×2 = 1

__

<h3>d.</h3>

No scoring information is provided.

3 0
2 years ago
The two points (-2,4) and (4,2) are the endpoints of the diameter of a circle. What is the equation of this circle in standard f
stepladder [879]
Center\ of\ the\ circle\ is\ the\ midpoint\ AB\ where\ A(-2;\ 4)\ \&\ B(4;\ 2)\\\\center:O\left(\frac{-2+4}{2};\ \frac{4+2}{2}\right)\to O(1;\ 3)\\\\Radius\ of\ the\ circle\ is\ distance\ O\ to\ A:\\\\r=|OA|=\sqrt{(-2-1)^2+(4-3)^2}=\sqrt{9+1}=\sqrt{10}\\\\Equation\ of\ a\ circle:\\\\(x-a)^2+(y-b)^2=r^2\ whete\ center\ is\ (a;\ b)\ and\ radius\ is\ r.\\\\Equation\ of\ this\ circle:\\\\(x-1)^2+(y-3)^2=(\sqrt{10})^2\\\\(x-1)^2+(y-3)^2=10
3 0
4 years ago
I need helppp I need the answers!!!
Angelina_Jolie [31]

Answer:

vfedddyujnyuki4yutnrbqfv

Step-by-step explanation:

3 0
3 years ago
Kendra jogs 2 2/5 km on a trail and then sits down to wait for louis. louis has jogged 1 1/2 km on the same trail. how much fart
agasfer [191]
To determine the answer to this question, we simply subtract the distance already covered by Louis from the distance covered by Kendra. Mathematically,
                                 distance = 2 2/5 km - 1 1/2 km
                                               = 9/10 km
Thus, Louis still need to jog 9/10 km to reach Kendra. 
6 0
4 years ago
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