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scZoUnD [109]
3 years ago
7

PLEASE HELP I WILL MARK YOU AS BRAINLIEST PLS AND TY​

Mathematics
1 answer:
Thepotemich [5.8K]3 years ago
3 0

Answer:

same as 1

Step-by-step explanation:

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HELP I NEED HELP ASAP
earnstyle [38]

Answer:

C

Step-by-step explanation:

You have 2 totals so the number of males + females = 127 so x + y = 127

Then there are 23 more males than females, it did not say 23 times more so B is out, so the female number + 23 = male number so y + 23 = x

Therefore letter C is the answer.

4 0
3 years ago
Find the probability choosing 7 numbers that match 7 randomly selected balls numbered 1-34.
Anettt [7]

Answer:72

Step-by-step explanation:

7 0
3 years ago
Which of the following answer choices shows the correct way to balance this reaction: Fe + O₂ → Fe₂O₃
ira [324]
I think the answer is Fe+02=fe 203
8 0
3 years ago
Y=4x^2+7x vertex form
cricket20 [7]
Use completing the square:

Ex:
y = x^2 +4x  \\  \\ y= x^2 +4x +(\frac{4}{2})^2- (\frac{4}{2})^2 \\  \\ y = (x^2 +4x+4) - 4 \\  \\ y = (x+2)^2 - 4

Now apply to your problem.
First factor out the '4' in front of the 'x^2' term
y = 4(x^2 + \frac{7}{4}x)
Apply completing the square:
y = 4(x^2 + \frac{7}{4}x +(\frac{7/4}{2})^2 -(\frac{7/4}{2})^2) \\  \\ y = 4[(x^2 + \frac{7}{4}x+\frac{49}{64}) - \frac{49}{64} ] \\  \\ y = 4(x + \frac{7}{8})^2 - \frac{49}{16}
5 0
3 years ago
A plane’s average speed between Tucson and Phoenix is 600 km/hr. If the trip takes 0.75 hrs. How far does the plane fly?
pashok25 [27]

Step-by-step explanation:

speed = Distance /Time

600 = Distance / 0.75

Distance = speed * Time

Distance = 600 * 0.75

Distance = 450 km

5 0
3 years ago
Read 2 more answers
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