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asambeis [7]
3 years ago
15

I need the answer ASAP !!!!

Mathematics
1 answer:
Setler [38]3 years ago
3 0

I hope this helps you

x^2+2.(-3).x+(-3)^2

(x-3).(x-3)

(x-3)^2

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A sandbag is released from a hot air balloon that is 400ft above the ground. Using the falling object model, h = –16t2 + s, wher
Aleonysh [2.5K]

<u>Answer</u>:

It takes 5 seconds for the sandbag to hit the ground

<u>Explanation</u>:

Given:

Height at which the sand bag is released from the hot air balloon= -400 f t

To find:

Time taken for the sandbag to hit the ground, t =?  

Solution:

The initial height =s

Initially the height will be 0

Hences=0

the falling object model equation  

h=-16 t^{2}+s

Substituting the values we get,

h=-16 t^{2}+s

400=16 t^{2}

t^{2}=\frac{400}{16}

t^{2}=25

t=\sqrt{25}

t=5 \text { seconds }

Result:

Thus it takes 5 seconds for the sandbag to hit the ground

3 0
3 years ago
PLEASE PLEASE HELP ME PLEASE<br> Which radical expressions are equivalent to
VikaD [51]

Answer:

D and E

Step-by-step explanation:

Using the rule of radicals

a^{\frac{m}{n} } ⇔ \sqrt[n]{a^{m} }

Given

3^{\frac{4}{7} }

= (\sqrt[7]{3})^4 → D or

= \sqrt[7]{3^{4} } = \sqrt[7]{81} → E

7 0
3 years ago
Q. If heights of 3rd graders follow a normal distribution with a mean of 52 inches and a standard deviation of 2.5 inches, what
zaharov [31]

Answer:

-2

Step-by-step explanation:

3 0
3 years ago
Any suggestions or answers
Studentka2010 [4]

your answer should be c.

A water balloon holds roughly 1.5 oz. of water

and pat has 19 water balloons to fill.

Multiply 1.5 and 19 and you get 28.5, or about 30 oz.

hope i helped!

3 0
3 years ago
A student wants to report on the number of meals his friends buy each week. The collected data are below: 4 19 3 3 2 3 2 4 Which
Strike441 [17]
The median or the mode which is three, but not the average because there is an outlier in the set, which is 19 and would skew the data higher than it should be.
3 0
3 years ago
Read 2 more answers
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