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3 years ago

If one face of a cube has a surface area of 5.25 square meters, what is the surface area of the entire cube

Mathematics

1 answer:

natali 33 [55]3 years ago

6 0

Answer:

11.25

Step-by-step explanation:

if a cube has 6 equal sides, you want to multiply 5.25 by 6 to get the surface area for the entire cube.

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A rectangle has a width of 3 units. The rectangle's length is 5 times its width.

Korolek [52]

Answer:

width=3

then length=5×3

now,

Area=l×b

= 15×3

=45

8 0

3 years ago

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A zucchini plant in Darnell’s garden was 10 centimeters tall when it was first planted. Since then, it has grown approximately 0

Mariulka [41]

Answer:

Let's start with part B. if it was originally 10 cm tall and it goes up 0.5 cm. each day, then we know that to go up one cm it needs two days. With that information we can say that 8*2 = 16. So it needs 17 days to go up 8.5 cm which would make it 18.5 cm tall.

Step-by-step explanation:

f(x) = 0.5x + 10

0.5x + 10 = 18.5

0.5x = 18.5 - 10

0.5x = 8.5

x = 8.5/0.5

x = 17 days

6 0

3 years ago

Here are two number machines, A and B.

Troyanec [42]

Answer:

Step-by-step explanation:

We can write them both like functions like this

Where

x=input

A=Output A

B=Output B

We want the output of A 3 times the output of B this can be written like this:

we replace with the functions

we solve for x

The output that makes the out put of A 3 times teh output of B is

7 0

2 years ago

Mr. I.C green wanted to plant a brand new yard. His yard was 17 yards by 8 yards. What was the area of his yard?

Free_Kalibri [48]

Answer:

17 x 8= 136 ft

Step-by-step explanation:

5 0

3 years ago

X^2 -3x + 0 = 0 Factor and solve

Luda [366]

So if you subtract the 0 out from the left side, the equation is now $x^{2}-3x=0$ . Since a x is common in both of the terms on the left side, you can factor it out, now making the equation look like $x(x-3)=0$ . When factoring, each of the separate things (x and (x-3)), must equal zero while the other one doesn't matter. So in order for the equation to be 0, the only potential options for x is 0 and 3. Therefore x=0 and x=3 are the two solutions

3 0

3 years ago

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