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Nataliya [291]
3 years ago
11

Question 5 (1 point)

Mathematics
1 answer:
soldier1979 [14.2K]3 years ago
7 0

Answer:

C. 12/15 is not equivalent to the rest

Step-by-step explanation:

12/15 simplifies to 4/5, whereas all the others simplify to 2/3

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98-x2=0 solve this with the quadratic formula
Mars2501 [29]

Answer:

             x∈{-7√2, 7√2}

Step-by-step explanation:

98-x^2=0\\\\-x^2+98=0\\\\a=-1\,,\ \ b=0\,,\ \ c=98\\\\x_1=\dfrac{-0-\sqrt{0^2-4\cdot(-1)\cdot98}}{2\cdot(-1)}=\dfrac{-\sqrt{4\cdot49\cdot2}}{-2}=\dfrac{-2\cdot7\sqrt{2}}{-2}=7\sqrt2\\\\x_2=\dfrac{-0+\sqrt{0^2-4\cdot(-1)\cdot98}}{2\cdot(-1)}=\dfrac{2\cdot7\sqrt{2}}{-2}=-7\sqrt2

7 0
3 years ago
NO LINKS OR ASSESSMENT!!!<br>Part 6: Write a rule to describe each transformation.<br>​
Scrat [10]

Answer:

  • (x, y) → (x, y - 3)

Step-by-step explanation:

We observe a vertical shift.

The shift is negative by 3 units.

<u>The rule for this translation is:</u>

  • (x, y) → (x, y - 3)
6 0
2 years ago
Ticketd to the school play cost $11 for adults and $6 for children. What expression can be used to find the toyal cost for x adu
Makovka662 [10]

Answer:221

Step-by-step explanation:

4 0
3 years ago
Help me with this question i tried multiple time to solution it always wrong
maw [93]
7/9-1/3 or 7/9-3/9= 4/9 is the answer
4 0
3 years ago
Suppose a class of 50 students has 20 males and 30 females. The insturctor will pick 1 (different) student to compete in 3 diffe
Pie

Answer:

Step-by-step explanation:

Total = 50

Males = 20

Females = 30

a) P(exactly 1 female) = P(1 female , 2 male)

(30C1 * 20C2) / (50C3) = 30*190/19,600 = 0.2908

b) P(at least 2 males) = 1 - (P(0 males) + P(1 males))

= 1 - 30C3 * 20C0/50C3 - 30C2 * 20C1/50C3

= 1 - 4060*1/19,600 - 435*20/19,600 = 6840/19600 = 0.3489

4 0
3 years ago
Read 2 more answers
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