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alekssr [168]
3 years ago
12

VERY IMPORTANT I NEED HELP!!!

Mathematics
1 answer:
Advocard [28]3 years ago
3 0

Answer:

2√3

Step by step Explanation:

=  >  \frac{ \sqrt{96} }{ \sqrt{8} }  \\  \\  =  >  \frac{ \sqrt{12 \times 8} }{ \sqrt{8} }  \\  \\  =  >  \frac{ \sqrt{12} \times  \sqrt{8}  }{ \sqrt{8} }  \\  \\  =  >  \sqrt{12}  \\  \\  =  >  \sqrt{4 \times 3}  \\  \\  =  >  \sqrt{2 \times 2 \times 3}  \\  \\  =  > 2 \sqrt{3}

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PLZ HELP FAST PLZ I REALLY NEED HELP WILL AWARD BRAINLIEST!!!!!!!
Softa [21]
Http://www.mathskey.com/question2answer/32620/surface-area-and-volume-please-help-me
3 0
2 years ago
Freezer A measures 1 ft times 1 ft times 5 ft and sells for ​$300. Freezer B measures 1.5 ft times 1.5 ft times 4 ft and sells f
Sladkaya [172]

Answer:

Freezer A is better option as price per cubic foot is less for Freezer A

Step-by-step explanation:

Data provided in the question:

Measure of Freezer A = 1 ft × 1 ft × 5 ft

Measure of Freezer B = 1.5 ft × 1.5 ft × 4 ft

Price of Freezer  A = $300

Price of Freezer  B = $600

Now,

Volume of Freezer A = 1 ft × 1 ft × 5 ft

= 5 ft³

Volume of Freezer B = 1.5 ft × 1.5 ft × 4 ft

= 9 ft³

Now,

Price per cubic foot for Freezer A = $300 ÷ 5 ft³

= $60/ft³

Price per cubic foot for Freezer B = $600 ÷ 9 ft³

= $66.67/ft³

Hence,

Freezer A is better option as price per cubic foot is less for Freezer A

7 0
2 years ago
Now write 12% as a fraction in simplest
Rama09 [41]
Answer: 3/25


Explanation:
12% as a fraction is 12/100. 12/100 divided by 4 is 3/25.

Hope this helped <3
5 0
2 years ago
Read 2 more answers
Write a verbal description for each algebraic expression 100-5n
Reika [66]

Step-by-step explanation:

One hundred minus five n

6 0
3 years ago
A rock is thrown upward from a bridge that is 57 feet above a road. The rock reaches its maximum height above the road 0.76 seco
bekas [8.4K]

answer:

f(t) = -9.9788169(t -0.76)^2 +57

Step-by-step explanation:

On this question we see that we are given two points on a certain graph that has a maximum point at 57 feet and in 0.76 seconds after it is thrown, we know can say this point is a turning point of a graph of the rock that is thrown as we are told that the function f determines the rocks height above the road (in feet) in terms of the  number of seconds t since the rock was thrown therefore this turning point coordinate can be written as (0.76, 57) as we are told the height represents y and x is represented by time in seconds. We are further given another point on the graph where the height is now 0 feet on the road then at this point its after 3.15 seconds in which the rock is thrown in therefore this coordinate is (3.15,0).

now we know if a rock is thrown it moves in a shape of a parabola which we see this equation is quadratic. Now we will use the turning point equation for a quadratic equation to get a equation for the height which the format is f(x)= a(x-p)^2 +q  , where (p,q) is the turning point. now we substitute the turning point

f(t) = a(t-0.76)^2 + 57, now we will substitute the other point on the graph or on the function that we found which is (3.15, 0) then solve for a.

0 = a(3.15 - 0.76)^2 + 57

-57 =a(2.39)^2  

-57 = a(5.7121)

-57/5.7121 =a

-9.9788169 = a      then we substitute a to get the quadratic equation therefore f is

f(t) = -9.9788169(t-0.76)^2 +57

4 0
2 years ago
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