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Ivan
3 years ago
14

Evaluate 4 - 2f when f = 1

Mathematics
1 answer:
kati45 [8]3 years ago
8 0

Answer:

\boxed 2

Step-by-step explanation:

Solve the equation when f = 1:

4 - 2f

-Plug in the value of f onto the equation and solve:

4 - 2f

4 - 2(1)

4 - 2

\boxed 2

So, the answer is 2.

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Solve the system of equations:<br> y = 3x<br> y=x2-4
Lubov Fominskaja [6]

Answer:

x = -4

y = -12

Step-by-step explanation:

Since y is 3x,

3x = 2x - 4

On solving we get x as -4

Substitute x and we get y as -12

3 0
3 years ago
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5 | 61251 is this true or false?
slamgirl [31]

Step-by-step explanation:

the answer is false because its counting by 5

3 0
2 years ago
The coffee Lily likes is composed of 97.3% water and 2.7% cocoa. The coffee John likes is composed of 96% water and 4% cocoa. Ho
mestny [16]

30 ounces of the coffee John likes consists of

  • 0.96\cdot30=28.8 ounces of water
  • 0.04\cdot30=1.2 ounces of cocoa

To this mixture we're adding x ounces of water, so that the new mix has a total volume of 30+x ounces and matches the composition of the coffee Lily likes. This means it would consist of

  • 0.973\cdot(30+x)=28.8+x ounces of water
  • 0.027\cdot(30+x)=1.2 ounces of cocoa (same amount of cocoa as before because pure water is being added)

Solve for x:

0.973(30+x)=28.8+x\implies29.12+0.973x=28.8+x

\implies0.39=0.027x

\implies x\approx14.4

###

Just to confirm: the new mixture consists of

  • 28.8+14.4=43.2 ounces of water
  • 1.2+0=1.2 ounces of cocoa

giving a total volume of 43.2+1.2=44.4 ounces of coffee, and \dfrac{43.2}{44.4}\approx0.973, as required.

4 0
3 years ago
Bearing a to b is 280 what is bearing b to A
jeka94

Answer:

please see photo attached for detailed analysis.

5 0
2 years ago
Lamar sells another broker's $800,000 listing for $785,000 at a commission rate of 6.5%. Lamar has a 40% commission split with h
Serggg [28]
Total commission that Lamar got is:
6.5/100×785,000
=$51,025
Amount that Lamar split with his broker:
40/100×51025
=$20410
Amount that brokerage split
=50/100×20410
$10205

Total amount Lamar received $10205
4 0
3 years ago
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