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stellarik [79]
3 years ago
5

A crate is 3 fourth yard long and 2 third yard wide. The crate is also 2 feet tall. What is the area of the top of the crate?

Mathematics
1 answer:
True [87]3 years ago
8 0
L*W
6 yards is the answer
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Please help me out guys. The photo will show you what to do. 50 points cause I need it done fast
Nonamiya [84]

Answer:

a) starting height: 5.5 ft

b) hang time: 5.562 seconds

c) maximum height: 126.5 ft

d) time to maximum height: 2.75 seconds

Step-by-step explanation:

a) The starting height is the height at t=0.

h(0) = -16·0 +88·0 +5.5

h(0) = 5.5

The starting height is 5.5 feet.

__

b) The ball is in the air between t=0 and the non-zero time when h(t) = 0. We can find the latter by solving ...

-16t^2 + 8t +5.5 = 0

t^2 -(11/2)t = 5.5/16 . . . . . subtract 5.5, then divide by -16

t^2 -(11/2)t +(11/4)^2 = (5.5/16) +(11/4)^2 . . . . complete the square

(t -11/4)^2 = 126.5/16 . . . . . . . . . . . . . . . . . . . . call this [eq1] for later use

t -11/4 = √7.90625

t = 2.75 +√7.90625 ≈ 5.562

The ball will be in the air about 5.562 seconds.

__

c) If we multiply [eq1] above by -16 and add the constant on the right, we get the vertex form of the height equation:

h(t) = -16(t -11/4) +126.5

The vertex at (2.75, 126.5) tells us ...

The maximum height of the ball is 126.5 feet.

__

d) That same vertex point tells us ...

The maximum height will be reached at t = 2.75 seconds.

_____

If you really need answers fast, a graphing calculator can give them to you in very short order (less than a minute).

6 0
3 years ago
4(2x + 2) + 12 > 100
Komok [63]

Answer:

x > 10

Step-by-step explanation:

4(2x + 2) + 12 > 100

4(2x + 2) > 100 -12

4(2x + 2) > 88

2x + 2 > 22

2x> 22-2

2x > 20

x > 10

3 0
3 years ago
Sophia used the Order of Operations to simplify 4(5 - 2) to 4x3.
Alchen [17]

Answer:

  • Yes

Step-by-step explanation:

<u>Order of operations, use the operation within the parenthesis:</u>

  • 1) 5 - 2 = 3
  • 2) 4*3 = 12

<u>Distributive property, a(b + c) = ab + ac:</u>

  • 1) 4*5 - 4*2 = 20 - 8
  • 2) 20 - 8 = 12

Both ways are correct and lead to same result

5 0
3 years ago
I need help<br><br>I need u to answer this question. what's 2+2????​
umka21 [38]

Answer:

2+2=4

Step-by-step explanation:

3 0
3 years ago
Read 2 more answers
Help pls, Yes or no
AnnZ [28]

Answer:

Yes

Step-by-step explanation:

The HL theorem basically says that two triangles are congruent if their corresponding hypotenuses and one leg are equal.

Here, the hypotenuse of both triangles are each marked with two dashes meaning they're equal. Similarly, QE and ET are both equal.

Therefore we can see that they can be proved congruent by the HL Theorem.

3 0
3 years ago
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