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4 years ago

What is (41/8z)-(1/8z)

Mathematics

1 answer:

Mashcka [7]4 years ago

7 0

I believe tha answer is 5z

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A classroom contains an equal number of boys and girls. If 5 girls leave, twice as many boys and girls remain. What was the orig

lorasvet [3.4K]

The answer is 10 because 5 x 2 is 10

5 0

4 years ago

If f(x)=3x-2 and g(x)=x^2+1, find f(g(-1)) and g(f(3))

julsineya [31]

Answer:

$f(g(-1))=4$

$g(f(3))=50$

Step-by-step explanation:

We know the definition of both functions: $f(x)=3x-2$ , and $g(x)=x^2+1$

A) In order to evaluate what $f(g(-1)) is$ , let's first investigate what g(-1) is using the definition for this function:

$g(x)=x^2+1\\g(-1)=(-1)^2+1\\g(-1)=1+1\\g(-1)=2$

Now let's find what f(2) is using f(x) definition: $f(x)=3x-2\\f(2)=3(2)-2\\f(2)=6-2\\f(2)=4$

B) In order to evaluate what $g(f(3)) is$ , let's first investigate what f(3) is using the definition for this function:

$f(x)=3x-2\\f(3)=3(3)-2\\f(3)=9-2\\f(3)=7$

Now let's find what g(7) is using the definition for this function:

$g(x)=x^2+1\\g(7)=(7)^2+1\\g(7)=49+1\\g(7)=50$

4 0

3 years ago

The average size of a certain computer datafile is 255 kilobytes. 10 million of these datafiles can be stored in a harddisk.

mr_godi [17]

Answer:

Hi! Your answer here is 2550 GB. To find this answer, we multiply 255 (the number of kb) by 10,000,000 (the number of files.) This gives us 2,550,000,000 KB. There are 1,000,000 kb in 1 GB, so we divide 2,550,000,000 by 1,000,000, which gives us 2550. 2550 GB of files can be stored.

6 0

2 years ago

(-1/3,4) is the solution set of?

Nostrana [21]

Solution set of what ?

5 0

3 years ago

A rectangular solid has sides of 7 cm, 9 cm, and 11 cm. What is its surface area?

otez555 [7]

Answer:

Surface area is, 478 square centimeter

Step-by-step explanation:

Surface area (S)of rectangle is given by:

$S = 2(lw+wh+hl)$ .....[1]

where,

l is the length

w is the width

h is the height of the rectangle respectively.

As per the statement:

A rectangular solid has sides of 7 cm, 9 cm, and 11 cm

⇒ l = 7 cm , w = 9 cm and h = 11 cm

Substitute in [1] we have;

$S = 2(7 \cdot 9+9 \cdot 11+11 \cdot 7)$

⇒ $S = 2(63+99+77) = 2 \cdot 239 = 478 cm^2$

Therefore, the surface area is, 478 square centimeter

7 0

3 years ago