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3 years ago

Let f(x) = -3x and g(x) = 2x-1 Find the following: (fog)(1)

Mathematics

2 answers:

Luba_88 [7]3 years ago

6 0

Step-by-step explanation:

steps are in picture above.

Note : if you have any confusion let me know.

Elina [12.6K]3 years ago

5 0

9514 1404 393

Answer:

-3

Step-by-step explanation:

$(f\circ g)(1) = f(g(1)) = f(2\cdot1-1) = f(1)=-3\cdot1\\\\\boxed{(f\circ g)(1)=-3}$

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If 45 mL of H2O are required to mix 100 g of casting plaster, how many milliliters would you need for 250 g of plaster ?

Liono4ka [1.6K]

Answer is 112.5 mL

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4 years ago

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Taya2010 [7]

Answer:

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3 years ago

I need help with this math question please

Gemiola [76]

Answer:

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Step-by-step explanation:

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3 years ago

What fraction of an hour is 26 minutes give your answer in its simplest form

irakobra [83]

Answer:

13/30

Step-by-step explanation:

26 / 60 because there's 60 mins in an hour

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4 0

3 years ago

This table shows the relationship of the total number of pieces of fruit to the number of bananas.

ddd [48]

Given:

The table that shows the relationship of the total number of pieces of fruit to the number of bananas.

To find:

Why is $\dfrac{6}{5}$ not equivalent to $\dfrac{3}{2}$ .

Solution:

If a, b, c are real numbers, then

$\dfrac{a}{b}=\dfrac{a\times c}{b\times c}$

The given fraction is $\dfrac{3}{2}$ . It can be written as:

$\dfrac{3\times 2}{2\times 2}=\dfrac{6}{4}$

The number 3 is multiplied by 2 to get 6. So, the 2 should also be multiplied by 2. The ratio should be $\dfrac{6}{4}$ , not $\dfrac{6}{5}$ .

Therefore, the correct option is A.

3 0

3 years ago