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kondaur [170]
3 years ago
12

-21 +3 = -9r in the form of -2(x-p)2+q=​

Mathematics
1 answer:
denis-greek [22]3 years ago
4 0

Answer:

1.28 Step-by-step explanation: got

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Simplify: −3xy2(2x2y3 + 7xy2 − 5x3y2)
mestny [16]

collect the like terms

Answer is C

5 0
3 years ago
If a car drove 180 miles in 3 hours and a truck drove 150 miles in 2 hours, what is the speed (in miles per hour) of the faster
grigory [225]

Step-by-step explanation:

Divide 180 by 3 = 60

Divide 150 by 2 = 75

The faster vehicle is truck and its speed is 75 mph

6 0
3 years ago
Can you help me please? explain why its a yes or no.​
Rashid [163]

Answer: No

Step-by-step explanation: it’s a no because. 19 - 15 does not equal out to 7 19 - 15 is 4 and that’s the wrong answer for 19 -15


hope this helps and is the right answer!

6 0
3 years ago
Zach is filling his dogs bowl with water. Is it reasonable to say that Zach will need about 4 gallons of water?
xeze [42]
No, that would not be reasonable to say.

If you were filling some buckets, you could say 4 gallons, but we’re talking about a bowl and at the most that will take just a few cups.

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~Brooke❤️
3 0
3 years ago
Read 2 more answers
Carbon-14 dating assumes that the carbon dioxide on Earth today has the same radioactive content as it did centuries ago. If thi
defon

7978 years

Step-by-step explanation:

A = A02^(-t/hl)

where hl = half-life.

Dividing both sides by A0 and taking the logarithm, we get

ln(A/A0) = -(t/hl)ln2

or solving for t,

t= -(hl)ln(A/A0)/ln2

note that A/A0 = 0.38

t = -(5715 yrs)[ln(0.38)/ln2]

= 7978 years

7 0
3 years ago
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