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STALIN [3.7K]
3 years ago
7

What is the vertex of the graph of this equation y=-4x2 - 16x - 12?​

Mathematics
1 answer:
max2010maxim [7]3 years ago
5 0

Answer:

(-2,4)

I just turned it in it was right

Step-by-step explanation:

PLEASE MARK BRAINLIEST

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Aaron run 6 miles each day for three days. How many miles does she run it all? Write an addition and a multiplication sentence t
artcher [175]
6*3=18 miles in total
8 0
3 years ago
True or false 33 over 3 equals 11.3? ​
Leno4ka [110]

Answer:

fals it would be 11

Step-by-step explanation:

11 x 3 = 33

3 x 11 = 33

33 divide 11 = 3

33 divide 3 = 11

7 0
3 years ago
Read 2 more answers
At a cookout, the ratio of hamburgers to veggie burgers is 12:5. If 30 veggie burgers were eaten, how many hamburgers were eaten
Slav-nsk [51]

Answer:

72

Step-by-step explanation:

12x6=72

4 0
2 years ago
a radioactive substance has a Decay rate of 5% per hour. if 500 hundred grams are present initially, how much of the substance r
kirza4 [7]
First we have to calculate the half-life
half-life = elapsed time * log (2) / log (bgn amt / end amt)
half-life = 1 hour * 0.30102999566 / log (1 / .95)
half-life = 0.30102999566 / log (<span> <span> <span> 1.0526315789 )
</span> </span> </span>half-life = 0.30102999566 / 0.022276394692
half-life = <span> <span> <span> 13.5134073454 hours
</span> </span> </span>
Ending Amount = Beginning Amount / 2^n
Where "n" = number of half-lives
For 4 hours, "n" equals
4 / 13.5134073454
=<span> <span> <span> 0.2960023255

</span></span></span>Ending Amount = 500 grams / 2^.2960023255
Ending Amount = 500 grams /<span> <span> <span> 1.2277376629
</span> </span> </span>Ending Amount = <span> <span> <span> 407.2531250707 grams

Source:
http://www.1728.org/halflife.htm


</span></span></span>
3 0
3 years ago
Find the missing side. Round it to the nearest tenth. ​
drek231 [11]

Answer:

37.3

Step-by-step explanation:

tan63 = opposite/adjacent = x/19

x = 19tan63 = 37.2895 = 37.3

5 0
2 years ago
Read 2 more answers
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