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Papessa [141]
2 years ago
10

(2/5) to the power of 2

Mathematics
2 answers:
Artemon [7]2 years ago
3 0

Answer:

4/25 or 0.16

Step-by-step explanation:

2/5 ^ 2 = 4/25

2/5 x 2/5 = 4/25 or 0.16

Inessa [10]2 years ago
3 0

Answer:4/25 or 0.16

Step-by-step explanation:

⅖²=

2/5x2/5= 4/25

multiply

2x2=4

5x5=25

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If a roasting is 600mm x 500mm how many 25cm cake time will fit on it?
nydimaria [60]
So assuming that 25cm is 25 square cm because you cannot have a 2 dimentional cake so

600mm by 500mm
to find the area, multiply legnth by width

mm=milimeters
cm=centimeters
this is in mm so
1cm=10mm
1mm=1/10cm
to convert from mm to cm, you divide by 10
we must divide by 10 first
legnth =600mm
600/10=60cm
legnth=60cm

width=500mm
500/10=50cm
width=50cm

area=60 times 50=3000 square cm or cm^2
so 3000 is the area
25 is the area of each cake
divide 3000 into 25 and find how many cakes will fit

3000/25=120

120 cakes will fit

3 0
3 years ago
Priya has completed 9 eczema questions.THis is 60% of the questions on the exam? how many questions are on the exam?
qwelly [4]

Answer:

15 questions

Step-by-step explanation:

9x100=900

900/60=15

9/15=60%

plz mark me as brainliest.

7 0
3 years ago
Use the parabola tool to graph the quadratic function y=-1? - 2.0 +8
Andreas93 [3]

Answer:

see explanation

Step-by-step explanation:

I don't have graphing facilities but can give you the vertex and 1 other point.

Given a parabola in standard form

y = ax² + bx + c ( a ≠ 0 )

Then the x- coordinate of the vertex is

x = - \frac{b}{2a}

y = - x² - 2x + 8 ← is in standard form

with a = - 1 and b = - 2 , then

x = - \frac{-2}{-2} = - 1

Substitute x = - 1 into the equation for corresponding value of y

y = - (- 1)² - 2(- 1) + 8 = - 1 + 2 + 8 = 9

vertex = (- 1, 9 )

To obtain another point substitute any value for x into the equation

x = 0 : y = 0 - 0 + 8 , then (0, 8 ) is a point on the graph

x = 2 : y = - (2)² - 2(2) + 8 = - 4 - 4 + 8 = 0  then (2, 0 ) is a point on the graph

3 0
3 years ago
How to write 4/6 in unit fraction
omeli [17]
U write it as 1/6+1/6+1/6+1/6=4/6 
5 0
3 years ago
PLZ HELP, GIVING BRAINLIEST!!!!
masya89 [10]

Answer:

C

Step-by-step explanation:

There are three turning points.

The local minimums are (-1,-5) and (1, -5)

The local maximum is (0,-4)

5 0
3 years ago
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