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3 years ago

I need help to solve this question(offering 43 points)

Mathematics

1 answer:

Evgesh-ka [11]3 years ago

8 0

Total volume of water=12*10*11
Let final height of water be h
Total volume of water=h*(12*10+7*10+6*5)

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cheddar cheese cost $4.25 per pound. Which equation best represents y the total cost of x pounds of chedder cheese?

Shtirlitz [24]

The answer to the question is y = $4.25x

7 0

3 years ago

Circle the "best buy."<br> 4 for $1.50<br> 35 cents each<br> 6 for $2.00

denis-greek [22]

Depends on how much you are purchasing

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3 years ago

Solve the quadratic equation by completing the square. 3x2 - 6x - 4 = 0

lakkis [162]

Answer:

The solutions are

$x=1+\sqrt{\frac{7}{3}}$

$x=1-\sqrt{\frac{7}{3}}$

Step-by-step explanation:

we have

$3x^{2}-6x-4=0$

Group terms that contain the same variable, and move the constant to the opposite side of the equation

$3x^{2}-6x=4$

Factor the leading coefficient

$3(x^{2}-2x)=4$

Complete the square. Remember to balance the equation by adding the same constants to each side

$3(x^{2}-2x+1)=4+3$

$3(x^{2}-2x+1)=7$

Rewrite as perfect squares

$3(x-1)^{2}=7$

$(x-1)^{2}=\frac{7}{3}$

square root both sides

$x-1=(+/-)\sqrt{\frac{7}{3}}$

$x=1(+/-)\sqrt{\frac{7}{3}}$

$x=1+\sqrt{\frac{7}{3}}$

$x=1-\sqrt{\frac{7}{3}}$

4 0

3 years ago

Someone help please

madreJ [45]

-4 and 3 are integers
-2.9 is a real number
5/8 is rational, due to the fact that it can be put into a fractional form.

4 0

3 years ago

What’s 4/5 times 2/3

maxonik [38]

Answer:

8/15

Step-by-step explanation:

When multiplying fractions, simply multiply the numbers straight across. First, multiply the numerators to get 8. Then, multiply the denominators and you'll get 15.

6 0

3 years ago

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