2 years ago

Need help asap!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!

Mathematics

1 answer:

Pepsi [2]2 years ago

7 0

Answer:

2 is 15

3 is 13

5 is 6.25

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There are 8 roses in a vase of 14 flowers. The rest are daisies.

s344n2d4d5 [400]

Answer:

a) 4:3

b) 7:3

Step-by-step explanation:

No. of roses= 8

No. of daisies = 6

Total no. of flowers = 14

a) Ratio of roses to daisies = No. of roses/No. of daisies

8/6

= 4/3

= 4:3

b) Ratio of all flowers to daisies = No. of all flowers/ No. of daisies

14/6

= 7/3

= 7:3

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2 years ago

Create a memory device to help you remember the quadratic formula. The device could be a song, drawing, rhyme, mnemonic device,

Lostsunrise [7]

Answer:

q-u-a-d-r-a-t-i-c f-o-r-m-u-l-a

Step-by-step explanation:

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3 years ago

Between 60/25 and 60/132 1hich one is more bigger

nadya68 [22]

Answer:

60/25 is greater than 60/132

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2 years ago

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Find an equation for a line that is normal to the graph of y=xe^x and goes through the origin

Marina CMI [18]

Y = xe^x
dy/dx(e^x x)=>use the product rule, d/dx(u v) = v*(du)/(dx)+u*(dv)/(dx), where u = e^x and v = x:
= e^x (d/dx(x))+x (d/dx(e^x))
y' = e^x x+ e^x
y'(0) = 1 => slope of the tangent
slope of the normal = -1
y - 0 = -1(x - 0)
y = -x => normal at origin

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3 years ago

What is the surface area of a conical (cone) grain storage tank that has a height of 24 meters and a diameter of 16 meters?

nirvana33 [79]

Surface area of cone is a sum of surface of its base and surface of its mantle.

Surface of its base is a circle which surface we will calculate like this:
Sb = pi*r^2 where r is d/2
Sb = 201m^2

Surface of mantle we calculate by:
Sm = pi*l*r where l is length of side of cone.

l = $\sqrt{r^2 + H^2}$ = 25.3
Sm = 635.8m^2

Total suface is:
Sb + Sm = 836.8m^2

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2 years ago