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MrRissso [65]
3 years ago
7

Helppp 5/7 x 3/4 ??

Mathematics
1 answer:
larisa [96]3 years ago
6 0

Answer:

15/28 or 0.5357

Step-by-step explanation:

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Does 5n = -20 have one solution,infinitley many,or no solutions?​
Maslowich
One solution.

-20 divided by 5 is equal to -4. Unless both sides have the same number or one side has -=0 then it’s one solution
8 0
3 years ago
Factor completely: 3x2 + 12x + 7
zepelin [54]

Answer:

Step-by-step explanation:

Eliminate answer 4 immediately, because (4)(3) is not 7.

Look at answer 2:  7x + 3x = 10x, which does not match the middle term 12x in the original polynomial.  Eliminate answer 2.

Look at answer 1:  1x + 21x = 22x, which does not match the middle term of the original polynomial.   Eliminate answer 1.

All quadratics have solutions.  Let's apply the quadratic formula to 3x^2 + 12x + 7:  Here a = 3, b = 12 and c = 7, so that the discriminant b²-4ac is

12²-4(3)(7), or 144 - 84, or 60.  Being positive, this tells us that the given poly has two real, unequal roots:

      -12 ± √60        -12 + 2√15                     -12 - 2√15

x = ----------------- = -------------------  and   x = --------------------

            3                         3                                     3

Normally, if c is a root, then x - c is a factor.

If we try this here, however, the resulting factors do not at all match any of your answer choices.

Don't be offended...but please ensure you have copied this problem down correctly.

                                                           

3 0
3 years ago
The product of 6x and ......​
Amiraneli [1.4K]

the answer is true because 6x multiply -2 to give -12x and 6x multiplies x² to give 6x³

8 0
2 years ago
You are making picnic baskets.The list shows the items you are putting into the baskets.You want identical groups of items in ea
coldgirl [10]

Answer:

apples

Step-by-step explanation:

8 0
3 years ago
Read 2 more answers
+ 2x + 12y + 4<br><br> What are the coefficients of this expression?
Tanzania [10]

Answer:

The coefficients are: 2, 12, 4.

Step-by-step explanation:

7 0
3 years ago
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