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3 years ago

6

How do I do this??????

2 answers:

vichka [17]3 years ago

6 0

The formula for the surface area of a cube is 6a^2, where a = the length of one edge. To get the cube's edge length, use the vertex coords given to you [(4, 8) and (12,16)]. From 4 to 12 is 8 points, so each edge of the cube is 8 points long. 6(8)^2 = 384, so your answer is C.

yulyashka [42]3 years ago

3 0

The answer to this question is 384 square units.
1. 12-4=8
2. 16-8=8
3. Cubes=8 by 8 sides 8
4. SA= 6 times 8 with a power of 2
5. 6 times 64
6. 384 units

hope this helped because i tried

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Samantha bought 26 total fish. Each goldfish cost $3 and each guppy costs $4. She spent $86 total. How many guppies did she buy?

Alex787 [66]

Answer:

goldfish is 15 and guppies is 11

Step-by-step explanation:

Given data

let the number of goldfish be x

and the number of guppies be y

so

x+y= 25----------1

and

3x+4y= 86-------2

solve 1 and 2

x+y= 25

3x+4y= 86

from 1

x= 25-y

put this in 2

3(25-y)+4y= 86

75-3y+4y= 86

75+y= 86

y= 86-75

y=11

put y= 11 in 1

x+11= 26

x= 26-11

x= 15

Hence goldfish is 15 and guppies is 11

5 0

3 years ago

Hannah is asked to divide 1/6 by 1/2 she says that answer is 3, because the product of 1/2

marta [7]

Answer:

Hannah is wrong. The correct answer is 1/3.

1/6÷1/2

(keep, change, flip!)

1/6*2 = 2/6

2/6 = 1/3

I hope this helped you. :)

8 0

3 years ago

Read 2 more answers

The leaning tower of Pisa currently "leans" at a 4 degree angle and has a vertical height of 55.86 meters. How tall was the lean

Marizza181 [45]

Answer:

56 meters.

Step-by-step explanation:

Please find the attachment.

Let the leaning tower's be h meters tall, when it was originally built.

We can see from our attachment that the side with length 55.86 meters is hypotenuse and h is adjacent side for 4 degree angle.

Since we know that cosine relates the adjacent and hypotenuse of a right triangle.

$\text{Cos}=\frac{\text{Adjacent}}{\text{Hypotenuse}}$

Upon substituting our given values we will get,

$\text{Cos (4)}=\frac{55.86}{h}$

$h=\frac{55.86}{\text{Cos (4)}}$

$h=\frac{55.86}{0.99756405026}$

$h=55.996\approx 56$

Therefore, the leaning tower was approximately 56 meters, when it was originally built.

6 0

3 years ago

The equation of the trend line is y = -0.36x + 12.6.

inysia [295]

Answer:

9.72°F

Step-by-step explanation:

I think that's right :)

4 0

3 years ago

The area of a square garden is 49 ft^2. How long is each side of the garden?

schepotkina [342]

Answer:

7

Step-by-step explanation:

4 0

4 years ago

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