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abruzzese [7]
2 years ago
6

Write y = x2 − 4x − 1 in vertex form. y = (x + 2)2 − 5 y = (x + 2)2 + 5 y = (x − 2)2 − 5 y = (x − 2)2 + 5

Mathematics
1 answer:
marta [7]2 years ago
4 0

Answer:

.

Step-by-step explanation:

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12+root of 35 divided by 2 + 12-2 root of 35 divided by 2
nadya68 [22]
So : 12+ \frac{\sqrt{35}}{2} + \frac{12-2 \sqrt{35} }{2}?

First, you want to bring everything together on the top of the fraction. 
12=24/2 so you can have \frac{24+ \sqrt{35}+12-2 \sqrt{35} }{2}

Add like terms -- 12 +24 = 36       \sqrt{35}-2 \sqrt{35} = \sqrt{35}

Now we are at \frac{24+ \sqrt{35} }{2} Which is the lowest possible simplified version while remaining at exact value. 

Feel free to check my math! I kinda did this off the top of my head. 
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2 years ago
54 is 60% of what number? Enter your answer in the box. <br><br><br> PLZ HELP I WILL GIVE BRAINLIEST
ivolga24 [154]

Answer:

90

Step-by-step explanation:

you do 54 ÷ 60% = 90

check:

60% of 90 is 54 .

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5 0
3 years ago
The two segments formed as a result of a bisector will always be
hjlf

Answer:

two equal parts .

Step-by-step explanation:

The bisector is breaking the attribute or the objects  into the 2 equal parts that are equivalent. The bisector is applied to the segments with the angles and the curves.

  • We can draw the line that divided the into the 2 angle or the two parts the two angle  are of equal angle .
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log 95 The expression Tog2 is the result of applying the change of base formula to a logarithmic expression. Which could be the
Ivanshal [37]

Answer:

third option: log_2  1/3

Step-by-step explanation:

change of base formula:

log_b  a= (log_x a)/(log_x b)

(log 1/3)/(log 2)

apply reverse change of base formula

2 from log 2 becomes new base, and 1/3 becomes the other number

=log_2  1/3

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2 years ago
Marisol scored 80% on her math test. The test had 45 questions, and each question was worth the same amount of the final score.
vampirchik [111]

Answer:

She answered 36 questions correctly out of the 45 questions.

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2 years ago
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