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juin [17]
4 years ago
15

How to solve this equation 5+3x=x-7

Mathematics
1 answer:
Luda [366]4 years ago
4 0

Answer:

-6

Step-by-step explanation:

5+3x=x-7

  -x    -x

5+2x=-7

-5       -5

<u>2x</u>=<u>-12</u>

2      2

x=-6

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a jar contains 6 red jelly beans, 6 green beans, and 6 blue jelly beans if we choose a jelly bean, then another jelly bean witho
seropon [69]
<h3>Answer: 5/51</h3>

======================================================

Explanation:

We have 6 green out of 6+6+6 = 18 total

The probability of getting green is 6/18 = 1/3.

After selecting that green jelly bean and not putting it back, we have 6-1 = 5 green out of 18-1 = 17 total.

The probability of selecting another green is 5/17.

Multiply the two fractions 1/3 and 5/17

(1/3)*(5/17) = (1*5)/(3*17) = 5/51

The probability of selecting two greens in a row is 5/51 where we do not put the first selection back. We also do not replace the green jelly bean with some other identical copy.

Note: 5/51 = 0.098039 approximately

8 0
3 years ago
What would the perimeter of a triangle be if the length is 12 feet and the width is 12 feet rounded to the nearestwhole number w
Sergeu [11.5K]

Step-by-step explanation:

Lengh is 12 (2) and width 12(2) therefore 24 plus 24 =48 feet

3 0
3 years ago
A Hamilton multitouch watch was originally priced at $644. At a closing of the Alpha Omega Jewelry Shop, the watch is being redu
Dimas [21]

Answer:

I think the answer is 322 because 1/2=50% which is equal to half

8 0
3 years ago
What is the surface area of this right rectangular prism with dimensions of 5 centimeters by 5 centimeters by 12 centimeters?
vichka [17]
The formula I like to use is
   A = 2(LW + H(L+W))
For your dimensions, this is
   A = 2((5 cm)(5 cm) + (12 cm)(5 cm + 5 cm))
   A = 2(25 cm² + 120 cm²)
   A = 290 cm²

The surface area of your right rectangular prism is 290 cm².
4 0
3 years ago
What is the quadratic formula?
sergey [27]

Answer:

Step-by-step explanation:

8 0
3 years ago
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