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Katarina [22]
3 years ago
11

Can't figure it out

Mathematics
2 answers:
maw [93]3 years ago
8 0
The answer to the problem is C.
N76 [4]3 years ago
8 0
The right answer is C. but lets just check
A. 4 hundreds 9 tens 2 ones = 400 + 90 + 2 = 492 so that's right
B. 4 hundreds 92 ones = 400 + 92 = 492 so that is right also
C. 49 hundreds 2 ones = 4900 + 2 = 4902
D. 49 tens 2 ones = 490 + 2 = 492
That is how we know that that C. is incorrect
I hope this helps :)

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Write a division expression that has a negative solution.​
Anon25 [30]

Answer:

3/-3=-1

Step-by-step explanation:

any number divided by a negative number gives a negative answer

8 0
3 years ago
David writes that the ratio of girls toboys is 1:4 orl. He tells his teacher that one-fourth of the students are girls. Is David
Aneli [31]

Answer:

i think it is no

Step-by-step explanation:

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7 0
4 years ago
Please give an explanation
serg [7]

Answer:Fact #1

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7 0
3 years ago
Read 2 more answers
The function h(t) = -16t^2 + 16t represents the height (in feet) of a horse (t) seconds after it jumps during a steeplechase.
Vladimir79 [104]
A.) To find the maximum height, we can take the derivative of h(t). This will give us the rate at which the horse jumps (velocity) at time t.

h'(t) = -32t + 16

When the horse reaches its maximum height, its position on h(t) will be at the top of the parabola. The slope at this point will be zero because the line tangent to the peak of a parabola is a horizontal line. By setting h'(t) equal to 0, we can find the critical numbers which will be the maximum and minimum t values.

-32t + 16 = 0

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b.) To find out if the horse can clear a fence that is 3.5 feet tall, we can plug 0.5 in for t in h(t) and solve for the maximum height.

h(0.5) = -16(0.5)^2 + 16(-0.5) = 4 feet

If 4 is the maximum height the horse can jump, then yes, it can clear a 3.5 foot tall fence.

c.) We know that the horse is in the air whenever h(t) is greater than 0. 

-16t^2 + 16t = 0

-16t(t-1)=0

t = 0 and 1

So if the horse is on the ground at t = 0 and t = 1, then we know it was in the air for 1 second.
7 0
3 years ago
Please help please!!
Nezavi [6.7K]

Answer:

-6 I think

Step-by-step explanation:

3 0
4 years ago
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