3 years ago

What formula is f(x)=x+2x-3

Mathematics

1 answer:

n200080 [17]3 years ago

3 0

Simplifying the equation
f(x) = 3x - 3

Hope it helped!

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15 crackers weigh 69 grams. how many kilograms is this?

Marrrta [24]

Answer:

$0.069\ kg$

Step-by-step explanation:

we know that

1 kg=1,000 g

using proportion

Find out how many kilograms are 69 grams

Let

x -----> the weight in kg

$\frac{1}{1,000}\frac{kg}{g} =\frac{x}{69}\frac{kg}{g}\\\\x=\frac{69}{1,000}\\\\x=0.069\ kg$

6 0

3 years ago

Which is a factor of 20 but not a multiple of 2

Delicious77 [7]

$20|2 \\ 10|2 \\ 5 \ |5 \\ 1 \\\\\boxed{ 5} \ it's \ a \ multiple \ of \ 20 , \ but \ it's \ not \ a \ multiple \ of \ 2$

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3 years ago

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A muffin recipe calls for 3 cups of flour for 24 muffins. If you want to make 108

vladimir2022 [97]

Answer:

13.5

Step-by-step explanation:

3 cups for 24 muffins

x cups for 108 muffins

x=(108*3)/24

x=13.5

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3 years ago

HELPPPP ASAPPP PLEASSSSEE

kolezko [41]

Let dimes = d and quarters =q

D + q = 50

D= 50-q

0.10d + 0.25Q = 7.70

Replace d with 50-q:

0.10(50-q) + 0.25q = 7.70

Simplify:

5 -0.10q + 0.25q = 7.70

5 + 0.15q = 7.70

Subtract 5 from both sides:

0.15q = 2.70

Divide both sides by 0.15:

Q = 2.70 / 0.15

Q = 18

D = 50-18 = 32

There are 32 dimes and 18 quarters

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3 years ago

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Can someone explain to me how to do this

Otrada [13]

Angles on a straight line add up to 180°, so:

x + 60 = 180

x = 180 - 60

x = 120°

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3 years ago

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