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SpyIntel [72]
4 years ago
9

EASY QUESTION, 100 POINTS, BRAINLIEST!!!!! ANSWER NOW!!!!

Mathematics
2 answers:
Andre45 [30]4 years ago
5 0

Step-by-step explanation:

3x^{2}+4x-5=0

Nikitich [7]4 years ago
4 0

Answer:

Final result :

 (7x - 6) • (3x2 - 4x + 5)

Step-by-step explanation:

Final result :

 (7x - 6) • (3x2 - 4x + 5)

Step by step solution :

Step  1  :

Equation at the end of step  1  :

 (7x - 6) • ((3x2 -  4x) +  5)

Step  2  :

Trying to factor by splitting the middle term

2.1     Factoring  3x2-4x+5

The first term is,  3x2  its coefficient is  3 .

The middle term is,  -4x  its coefficient is  -4 .

The last term, "the constant", is  +5

Step-1 : Multiply the coefficient of the first term by the constant   3 • 5 = 15

Step-2 : Find two factors of  15  whose sum equals the coefficient of the middle term, which is   -4 .

     -15    +    -1    =    -16

     -5    +    -3    =    -8

     -3    +    -5    =    -8

     -1    +    -15    =    -16

     1    +    15    =    16

     3    +    5    =    8

     5    +    3    =    8

     15    +    1    =    16

Observation : No two such factors can be found !!

Conclusion : Trinomial can not be factored

Final result :

 (7x - 6) • (3x2 - 4x + 5)

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Answer:

Step-by-step explanation:

Given

There are 52 cards in total

there are total of 13 pairs of same cards with each pair containing 4 cards

Probability of getting a pair or three of kind card=1-Probability of all three cards being different

Probability of selecting all three different cards can be find out by selecting a card from first 13 pairs and remaining 2 cards from remaining 12 pairs i.e.

=\frac{52\times 48\times 44}{52\times 51\times 50}

for first card there are 52 options after choosing first card one pair is destroyed as we have to select different card .

For second card we have to select from remaining 12 pairs i.e. 48 cards and so on for third card.

Required Probability is =1-\frac{52\times 48\times 44}{52\times 51\times 50}

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7 0
3 years ago
Is 0.047 1/100 of 4.70
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Answer:

Yes!

Step-by-step explanation:

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6 0
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maks197457 [2]
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The measures of the angles of a triangle are shown in the figure below. solve for x
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All three sides of a triangle are initially 5.0 long. One of the triangle's sides is oriented horizontally. The triangle is scal
zlopas [31]

Answer:

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Step-by-step explanation:

First, as both triangles have the same angles we can use the relationship of areas and sides corresponding to similar triangles as follows:

relation\ between\ areas=( relation\ between\ sides)^2\\\frac{0.7A}{A}=(\frac{s}{5})^2\\s= 5\sqrt0.7= 4.18

Now we know that the new triangle has sides of 4.18. Then, as these triangles are equilateral we can use the Pythagorean Theorem to find the height:

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Finally the height of this new triangle is 3.62 cm

6 0
3 years ago
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