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REY [17]
3 years ago
12

For the following quadratic equation, find the discriminant.

Mathematics
1 answer:
77julia77 [94]3 years ago
7 0

Answer: x=4 or x=—12

Step-by-step explanation:

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Natalia and Riley hike 10 6/11 miles. In one day, Ricardo hiked to 2 3/4 times as far as Natalia and Riley hiked. how far did he
Maksim231197 [3]

Answer:

Ricardo hiked 29 miles.

Step-by-step explanation:

10 6/11 x 2 3/4

convert

116/11 x 11/4 = 1276/44

1276/44 = 29

7 0
2 years ago
Please help me solve this!!
horsena [70]

Answer: 18

Step-by-step explanation: Simplify 2^3 to 8. 3/4 (8+4^2). Simplify 4^2 to 16. 3/4 (8+16). Simplify 8+10 to 24. 3/4*24. Use this rule: a/b * c = ac/b. Simplify 3*24 to 72.  72/4.

<em>Hope this helps!</em>

8 0
3 years ago
T-6= -12<br> 8<br><br> I NEED HELP ASAP
ankoles [38]

Answer:

Step-by-step explanation:

t

=

−

122

8 0
3 years ago
Can someone please explain this problem to me idk what I am doing wrong and can you draw the problem for me thanks
Bogdan [553]

Answer:

  you're not doing anything wrong

Step-by-step explanation:

In order for cos⁻¹ to be a function, its range must be restricted to [0, π]. The cosine value that is its argument is cos(-4π/3) = -1/2. You have properly identified cos⁻¹(-1/2) to be 2π/3.

__

Cos and cos⁻¹ are conceptually inverse functions. Hence, conceptually, cos⁻¹(cos(x)) = x, regardless of the value of x. The expected answer here may be -4π/3.

As we discussed above, that would be incorrect. Cos⁻¹ cannot produce output values in the range [-π, -2π] unless it is specifically defined to do so. That would be an unusual definition of cos⁻¹. Nothing in the problem statement suggests anything other than the usual definition of cos⁻¹ applies.

__

This is a good one to discuss with your teacher.

4 0
3 years ago
What is 17 37/50 turned into a decimal
FromTheMoon [43]
Because 17 37/50 is a mixed fraction, we must convert it into an improper fraction:

17 \frac{37}{50}
17 * 50 = 850
850 + 37 = 887
\frac{887}{50}

To make dividing the fraction easier, we can multiply the numerator and denominator by 2:

\frac{887}{50} * \frac{2}{2} =  \frac{1774}{100}

Now it's easier to divide the numerator by the denominator:

1774 \div 100 = 17.74

17 37/50 converted into a decimal is 17.74.
8 0
3 years ago
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