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11111nata11111 [884]
3 years ago
7

3. There were 6987 people in a village in the year 2009.

Mathematics
1 answer:
slava [35]3 years ago
7 0

Answer: 5689

Step-by-step explanation:

6987

- 1289

= 5698

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A cube has a volume of 125 cube inches. what is the length of each edge​
yanalaym [24]

Answer:

5 cubic in. would be the length of each edge.

Step-by-step explanation:

volume = length * width * heigh

125 = 5 * 5 * 5

3 0
3 years ago
Those are my choices pls tell me which one would fit this problem!! <br>THERES A PIC ATTACHED
denis23 [38]

Answer: Opens up, has a minimum

Step-by-step explanation:

If the x^2 term is positive the parabola opens up, if it is negative it opens down. Minimum always goes with up, maximum with down

7 0
3 years ago
Someone please explain (:
GaryK [48]

Answer:

a.) 1.38 seconds

b.) 17.59ft

Step-by-step explanation:

h(t) = -16t^2 + 22.08t + 6

if we were to graph this, the vertex of the function would be the point, which if we substituted into the function would give us the maximum height.

to find the vertex, since we are dealing with something called "quadratic form" ax^2+bx+c, we can use a formula to find the vertex

-b/2a

b=22.08

a=-16

-22.08/-16, we get 1.38 when the minuses cancel out. since our x is time, it will be 1.38 seconds

now since the vertex is 1.38, we can substitute 1.38 into the function to find the maximum height.

h(1.38)= -16(1.38)^2 + 22.08t + 6 -----> is maximum height.

approximately = 17.59ft -------> calculator used, and rounded to 2 significant figures.

for c the time can be equal to (69+sqrt(8511))/100, as the negative version would be incompatible since we are talking about time. or if you wanted a rounded decimal, approx 1.62 seconds.

7 0
3 years ago
Read 2 more answers
John has 367 stamps And his uncle gave him some more stamps now he have 462 stamps how many stamps did he get from his uncle
Ulleksa [173]

Answer:

The answer is 829 because you are adding

Step-by-step explanation:

7 0
3 years ago
What’s the area of an circle with the diameter 14cm
ryzh [129]
153.86 is the answer because the formula is Pi times radius squared. So, the equation would be 3.14X7^2=3.14X49=153.86
3 0
3 years ago
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