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2 years ago

Grapes are sold for $3.20 per bag. if you have $12, how many bags of grapes can you buy?

Mathematics

2 answers:

algol132 years ago

7 0

Answer:

you can buy 4 bags of grapes with $12.

Step-by-step explanation:

Hope this helps :)

Dominik [7]2 years ago

5 0

Answer:

Step-by-step explanation:

Since we know that one bag of grapes = $3.20, we can divide $12 by $3.20 to get how many bags of grapes you can buy.

12/3.2=3.75.

In the exact amount, you can buy 3.75 bags of grapes. Now you can't buy .75 of a bag. Rounding it, you would have approximiatly bought 4 bags. Reality, you would have bought 3 bags.

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Which two functions are inverses of each other?

liraira [26]

Answer:

Option 3 - f(x)= 4x, $g(x) = \frac{1}{4}x$

Step-by-step explanation:

To find : Which two functions are inverses of each other?

Solution :

Two functions are inverse if $f(g(x))=x=g(f(x))$

Now, we find one by one

1) f(x)= x, g(x) = -x

$f(g(x))=f(-x)=-x\neq x$

Not true.

2) f(x)= 2x, $g(x) = -\frac{1}{2}x$

$f(g(x))=f(-\frac{1}{2}x)=2\times(-\frac{1}{2}x)=-x\neq x$

Not true.

3) f(x)= 4x, $g(x) = \frac{1}{4}x$

$f(g(x))=f(\frac{1}{4}x)=4\times(\frac{1}{4}x)=x$

$g(f(x))=f(4x)=\frac{1}{4}\times 4x=x$

i.e. $f(g(x))=x=g(f(x))$ is true.

So, These two functions are inverse of each other.

4) f(x)= -8x, $g(x) =8x$

$f(g(x))=f(8x)=8\times(-8x)=-64x\neq x$

Not true.

Therefore, Option 3 is correct.

6 0

2 years ago

Please help me with this question. i would really appreciate it!

NemiM [27]

Answer:

it should be c or d

Step-by-step explanation:

5 0

2 years ago

P + nx=rx-e (solve for x)

lorasvet [3.4K]

Answer:

(p+e)/(r-n) = x

Step-by-step explanation:

p + nx=rx-e

Add e to each side

p +e+ nx=rx-e+e

p +e+ nx=rx

Subtract nx from each side

p +e+ nx - nx=rx-nx

p+e = rx -nx

Factor out x

p+e = x(r-n)

Divide each side by (r-n)

(p+e)/(r-n) = x(r-n)/(r-n)

(p+e)/(r-n) = x

8 0

3 years ago

If f(x) = 7(x - 2) + 4(x + 1), what is f(2)? O 9 O 10 O 11 O 12

Jlenok [28]

I THINK it’s 11 .........

4 0

2 years ago

Read 2 more answers

Simplify by combining like terms: 6(n + 5) + 2(9n - 6) <img src="https://tex.z-dn.net/?f=10n%20%2B%2042%5C%5C24n%20%2B%2018%

garik1379 [7]

The answer is 24n + 18

3 0

1 year ago