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Travka [436]
3 years ago
15

Help, BRAINLIEST to CORRECT answer!

Mathematics
2 answers:
ozzi3 years ago
5 0

Answer:

false

Step-by-step explanation:

thats kinetic energy

potential energy is like when somethings on a table and it can fall.

arlik [135]3 years ago
4 0

Answer:

False

Step-by-step explanation:

Energy stored in an object is potential energy but energy in motion is kinetic energy  

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alicia bought 205 pink and purple beads. she lost 3/5 of the pink beads and was given another 15 purple beads.
Mariana [72]

Answer: sorry

Step-by-step explanation:

767u6777

7 0
3 years ago
Katie is buying souvenir.gifts for her big family back home. She wants to buy everyone either a key chain or a magnet. The magne
NikAS [45]
The total number of gifts = x+y.
The inequality is:
x+y  \geq 24

Key chains cost $1, Magnets $0.50
Total Cost = x + 0.5y
Inequality is:
x+0.5y  \leq 20

Without graphing you can solve system by using substitution:
y = 24 - x  \\  \\ x + 0.5(24-x) = 20   \\  \\ 0.5x +12 = 20  \\  \\ x = 16 \\  \\ y = 24-16 = 8

This is one solution where the maximum x value is given.
So the most keychains that can be purchased is 16. However, because magnets are cheaper, more can be purchased as long as cost remains under 20.

If you solve both inequalities for "y", you get the upper and lower bounds for how many magnets can be purchased given a quantity of keychains.

24-x  \leq y  \leq 40 -2x \\  \\ x \leq 16

This is complete solution which gives all possible combinations.
(Graph is Attached)

6 0
3 years ago
A rectangular storage container with an open top is to have a volume of 10 m3. the length of this base is twice the width. mater
BartSMP [9]
Refer to the diagram shown below.

The volume of the container is 10 m³, therefore
x*2x*h = 10
2x²h = 10
h = 5/x²        (1)

The base area is 2x² m².
The cost is $10 per m², therefore the cost of the base is
(2x²)*($10) = 20x²

The area of the sides is
2hx + 2(2xh) = 6hx = 6x*(5/x²) = 30/x m²
The cost is $6 per m², therefore the cost of the sides is
(30/x)*($6) = 180/x

The total cost is
C = 20x² + 180/x

The minimum cost is determined by C' = 0.
That is,
40x - 180/x² = 0
x³ = 180/40 = 4.5
x = 1.651
The second derivative of C is
C'' = 40 + 360/x³
C''(1.651) = 120 >0, so x = 1.651 m yields the minimum cost.

The total cost is
C = 20(1.651)² + 180/1.651 = $163.54

Answer: $163.54

7 0
3 years ago
Please help I will reward point and hearts
Mashcka [7]
Fourths, then b. Sorry if late.
5 0
3 years ago
Evaluate <br><br> -3+2 / -5+-1 /6+-4 / -2+-7
irinina [24]

Answer: -3+2 = -1 / -5+-1 = -6 / 6+-4 = 2 / -2+-7 = -9

Step-by-step explanation: oof

3 0
3 years ago
Read 2 more answers
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