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garik1379 [7]
2 years ago
11

I neeeeeeeeeeeeeeeeeeeed hellp fast

Mathematics
1 answer:
juin [17]2 years ago
3 0

Answer: point E

Step-by-step explanation:

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Determine wether the graphs of the given equations are parallel, perpindicular, or neither.
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Give the intervals where f(x) is concave up. (enter your answer using interval notation. if an answer does not exist, enter dn
Kipish [7]
Concave up is U-shaped.
There will be a inflection/critical point f'(x) =0 then a negative slope f'(x) = neg then another inflection/critical point f'(x) =0 at the bottom of the U-shape then a positive slope to last inflection/critical point. The interval for the Concave Up shape is the first and last inflection points.
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3 years ago
4 7/12 + 2 1/12 what is the estimate answer
Pani-rosa [81]
4 \frac{7}{12} =  \frac{12*4+7}{12} =  \frac{55}{12}  \\  \\ 2 \frac{1}{12} =  \frac{2*12+1}{12} =  \frac{25}{12}  \\  \\  \frac{55}{12} +  \frac{25}{12} =  \frac{80}{12}  \\  \\  \frac{80 :4}{4:4}  =  \frac{20}{3}
3 0
3 years ago
Read 2 more answers
Evaluate (18)^2-(15)^2<br> Please show working.
dexar [7]

Answer:

99

Step-by-step explanation:

You can solve it by Squaring/multiply 18 by itself and 15 by itself then subtract them both:

(18 × 18) - (15 × 15)

324 - 225

99

You could also do difference of two squares:

(x² - y²)

= (x + y) (x - y)

= (18 + 15) (18 - 15)

= (33) (3)

= 99

8 0
3 years ago
Read 2 more answers
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liberstina [14]

Answer:

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7 0
2 years ago
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