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Lana71 [14]
2 years ago
9

SUPER EASY, WILL GIVE BRAINLIEST What’s the domain of quadratic functions?

Mathematics
2 answers:
Snowcat [4.5K]2 years ago
6 0

Answer:

1st option!!

Good Luck!!!

Zigmanuir [339]2 years ago
3 0

Answer:

[0,∞)

I hope this is good enough:

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If x=3 substitute the value of x into the expression and simplify 3x+6
kotykmax [81]

Answer:

15

Step-by-step explanation:

Plug in 3 as x:

3x + 6

3(3) + 6

9 + 6

= 15

So, the simplified expression if x = 3 is 15

7 0
2 years ago
Brent leaves school to go home. He walks 10 blocks north and then 6 blocks west. If Brent could walk in a straight line to the s
Alja [10]
<h2>8 BLOCKS :)))</h2>

:)))) NO NEED SOLUTION.

6 0
2 years ago
The result of =ROUND(513.2413,2) is __
timama [110]

Answer:

513.24132

Step-by-step explanation:

None of the numbers are large enough to make the next number higher. Therefore that would just be your answer.

5 0
2 years ago
(5) Rhea ran 6 laps on a track. Each lap is 200 yards. Rhea's average speed for
sashaice [31]

Answer:

72 yd / min

Step-by-step explanation:

The first thing is to fully calculate the distance traveled, each lap is 200 yards and how 6 laps would be:

200 * 6 = 1200

Now, let's divide the race into how the statement tells us:

1200 * 2/3 = 800

1200 * 1/3 = 400

That is, in the first 800 yards it goes to 80 yd / min and then in the remaining 400 yards it goes to 60 yd / min, let's calculate the time Rhea lasted:

800/80 = 10 min

400/60 = 6,667 min

Which means that in total it would be:

10 + 6,667 = 16,667

In other words, Rhea took 16,667 minutes to travel 1,200 yards, so the speed would be:

1200 / 16,667 = 72

Therefore the average Rhea speed was 72 yd / min

7 0
2 years ago
Shawn purchased $87.06 worth of merchandise at a department store. He gave the clerk $100. Round to the nearest whole dollar to
beks73 [17]

Answer:

  • rounded purchase: $87
  • estimated change: $13

Step-by-step explanation:

Rounded to the nearest dollar, the value $87.06 is $87.

This amount subtracted from $100 is the change Shawn will receive, about $13.

5 0
3 years ago
Read 2 more answers
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