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3 years ago

What is 1/3 of 77 how did you do it

Mathematics

1 answer:

Gnesinka [82]3 years ago

8 0

Answer:

25.67

Step-by-step explanation:

One third written as a fraction is 1/3. You can also write it as a decimal by simply dividing 1 by 3 which is 0.33.

If you multiply 0.33 with 77 you will see that you will end up with the same answer as above.

You may also find it useful to know that if you multiply 0.33 with 100 you get 33.33. Which means that our answer of 25.67 is 33.33 percent of 77.

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Answer: the answer is b.

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you for example can have a quadratic relation or something weirder.

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3 years ago

F(x) = 2x2 − 30, find f(4).

Leviafan [203]

Answer:

F(4)= 2

Step-by-step explanation:

F(x) = 2x^2 − 30, find f(4).

F(4)= (2)(4)^2 - 30

F(4)= (2)(16) - 30

F(4)= 32 - 30

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3 years ago

Solve the system of equations: <br> x-y=4<br> 4x-7z=24<br> 4y+z=8

mart [117]

Answer:

Solve for x, y, and z. 1st Equation: 2x + 2y + 4z = 48. 2nd Equation: 2x + 9y + 7z = 105. 3rd Equation: x + 4y + z = 37. Subtract the 2nd Equation from the 1st Equation. This will eliminate the variable “x”.

Step-by-step explanation:

4 0

3 years ago

Examine the system of equations.

MakcuM [25]

Answer:

$\boxed{\boxed{\sf x=-3}}$

Step-by-step explanation:

$\sf y = -3x - 2$

$\sf y=7$

We'll substitute y into the equation:

$\sf 7 = -3x - 2$

Switch sides:

$\sf -3x-2=7$

Add 2 to both sides

$\sf -3x-2+2=7+2$

$\sf -3x=9$

Divide both sides by -3:

$\sf \cfrac{-3x}{-3}=\cfrac{9}{-3}$

$\sf x=-3$

Therefore, the value of x/solution is -3

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8 0

3 years ago

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Could someone help me with another word problem fir math ! Points and brainlest!

Diano4ka-milaya [45]

Answer:

I think 15

Step-by-step explanation:

Because there are 3 in every 20 and 20 goes into 100 5 times and 5×3=15

8 0

3 years ago

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