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murzikaleks [220]
2 years ago
7

Can i use some help? im really confused on how to show my work and all

Mathematics
2 answers:
Colt1911 [192]2 years ago
8 0

Answer:

1 / 4

Step-by-step explanation:

25 %

= 25 / 100

= 1 / 4

I think you need to write the answer in a paper with full solution and take a photo of it and upload the image.

melamori03 [73]2 years ago
3 0

Percent: A number ratio expressed as a fraction of 100

Thus, 25% means 25 out of 100.

25 out of 100 = 25/100

Greatest common factor of 25 and 100 = 25

25 / 25 = 1

100 / 25 = 4

Answer: 1 / 4

Hope this helps!

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Lola needs to sign 96 invitations. Using a stopwatch that measures time to tenths of a second, it takes Lola 5.3 seconds to sign
Basile [38]

Lola needs 508.8 seconds to do every invitations. You only have to multiply the 2 numbers

4 0
3 years ago
Latoya bought an item for $66. Before that, she had $402.44. How much money does Latoya have now.
andre [41]

Answer:

$336.44

Step-by-step explanation:

$402.44 - $66 = $336.44

8 0
2 years ago
Harold bought 3 pounds of red apples and 4.2 pounds of green apples from a grocery store, where both kinds of apples are $1.75 a
Lelechka [254]
The answer is 11.6
add 3+4.2= 7.2 times 1.75
4 0
2 years ago
Needs help with this!!!
barxatty [35]

Answer:

y^1=-1(x-1)+(1+9)

Step-by-step explanation:

y=-1x+1\ \ == > \ \ y^1=-1(x-1)+(1+9)

-1 horizontally = 1 units left (the x-axis)

9 vertically = 9 units up (y-axis)

*Black line: is the preimage

*Red line is the translation

Hope this helps!

6 0
2 years ago
A container in the shape of a square-based prism has a volume of 2744 cm'. What dimensions give the
Vinvika [58]

Answer:

The dimensions that give the minimum surface area are:

Length = 14cm

width = 14cm

height = 14cm

And the minimum surface is:

S = 1,176 cm^2

Step-by-step explanation:

A regular rectangular prism has the measures: length L, width W and height H.

The volume of this prism is:

V = L*W*H

The surface of this prism is:

S = 2*(L*W + H*L + H*W)

If the base of the prism is a square, then we have L = W

Then the equations become:

V = L*L*H = L^2*H

S = 2*(L^2 + 2*H*L)

We know that the volume of the figure is 2744 cm^3

Then:

V = 2744 cm^3 = H*(L^2)

In this equation, we can isolate H.

H = (2744 cm^3)/(L^2)

Now we can replace this on the surface equation:

S = 2*(L^2 + 2*L* (2744 cm^3)/(L^2))

S = 2*L^2 + 4(2744 cm^3)/L

Now we want to minimize the surface area, then we need to find the zeros of the first derivative of S.

S' = 2*(2*L) - 4*(2744 cm^3)/L^2

This is equal to zero when:

0 = 2*(2*L) - 4*(2744 cm^3)/L^2

0 = 4*L*L^2 - 4*(2744 cm^3)

4*(2744 cm^3) = 4*L^3

2744 cm^3 = L^3

∛(2744 cm^3) = L = 14cm

Then the length of the base that minimizes the surface is L = 14.

Then we have:

H = (2744 cm^3)/(L^2) = (2744 cm^3)/(14cm)^2 = 14cm

Then the surface is:

S = 2*(L^2 + 2*L*H) = 2*( (14cm)^2 + 2*(14cm)*(14cm)) = 1,176 cm^2

8 0
3 years ago
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