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wel
2 years ago
6

What is h−(−2.22)=−7.851 someone please help me

Mathematics
1 answer:
telo118 [61]2 years ago
7 0

Answer:

h=-10.071?

Step-by-step explanation:

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Can anyone solve this?
anygoal [31]

Answer:

50.4 km (Answer B)

Step-by-step explanation:

From this information, we are able to create a proportion, 2cm/21km= 4.8cm/x km (x representing the actual distance). After cross-multiplying and simplifying, you get an answer of 50.4km. Hope this helps!

6 0
2 years ago
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What is the length of the red segment in the graph below?
Anon25 [30]

Answer: b 1.20

Step-by-step explanation:

b 1.20

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1 year ago
Ben and Josh went to the roof of their 40-foot tall high school to throw their math books off the edge.
krok68 [10]

Answer:

  • Josh's book lands first
  • Ben's lands about 0.648 seconds later

Step-by-step explanation:

Using the given equation for v=60 and s=40, the height of Ben's book is ...

  h(t) = -16t² +60t +40

We want to find t when h(t) = 0, so we're looking for the solution to ....

  0 = -16t² +60t +40

Using the quadratic formula, we find the positive value of t to be ...

  t = (-60 -√(60² -4(-16)(40)))/(2(-16)) = (15 +√385)/8 ≈ 4.3277

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Similarly, the height of Josh's book is ...

  0 = -16t² +48t +40

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The time before Josh's book lands is shorter by ...

  4.3277 -3.6794 ≈ 0.6482 . . . . . seconds

Josh's book reaches the ground first, by about 0.648 seconds.

3 0
3 years ago
6x^3+3n^2+8n+4 factor the following polynomial
Archy [21]

Answer:

x1=((2√3)/3)i

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x3=-((2√3)/3)i

Step-by-step explanation:

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3 years ago
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Answer:

197

Step-by-step explanation:

Divide 1640 by 25

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Then multiply 65 and 3

65x3=197

6 0
2 years ago
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