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erastovalidia [21]
3 years ago
8

Find the volume of each solid. Round to the nearest tenth if necessary.

Mathematics
1 answer:
Len [333]3 years ago
5 0
The answer would be 15
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Help with this please ASAP
Mashcka [7]

Answer:

1360 cm2

Step-by-step explanation:

It is still a rectangle, just slanted. So straiten it out a solve it like a normal area problem:

34 x 40 = 1360 cm2

5 0
2 years ago
Determine the next step for solving the quadratic equation by completing the square
GaryK [48]

Answer:

  • The two solutions are:           x=\frac{1}{2}+/-\frac{\sqrt{7} }{2}

  • The next and every step are below.

Explanation:

1. -3=-2x^2+2x    : Given (addition property / add - 3 to both sides)

2. -3 = - 2(x^2-x)    : Given (commom factor - 2)

3. -3-1/2=-2(x^2-x+1/4)

    To obtain the perfect square it was added the square of half of the coefficient of x: (1/2)² = 1/4, inside the parenthesis.

Since, the terms inside the parentthesis are multiplied by - 2, you have to add - 2 (1/4) = - 1/2 to the left side of the equation.

4. Now, you have that the trinomial x² - x + 1/4 is a square perfect trinomial which is factored as (x - 1/2)² and get the expression:

-7/2=-2(x-1/2)^2

5. Divide both sides by - 2 to get the next expression:

-7/4=(x-1/2)^2

6. The last step is to extract squere root from both sides of the equality:

(x-1/2)=+/-\sqrt{\frac{7}{4}}\\ \\ x-1/2=+/-\frac{\sqrt{7} }{2}\\ \\ x=\frac{1}{2}+/-\frac{\sqrt{7} }{2}

8 0
3 years ago
Can someone help me please thank you
icang [17]

Answer:

c and d

Step-by-step explanation:

a slae price cant be one whole so those are the only reasonable options.

3 0
3 years ago
Read 2 more answers
The sum of 1/3 and twice a number is equal to 2/3 subtracted from three the number.find the number
Zigmanuir [339]
The number = y

2y + 1/3 = 2/3 - 3y
(add 3y to both sides)
5y + 1/3 = 2/3
(subtract 1/3 from both sides to isolate y)
5y = 1/3
(divide by 5)
y = 1/15
4 0
3 years ago
What is the volume of this rectangular pyramid?
kipiarov [429]
The answer is 270 . if you multiply all the yds together you will get the solution to your volume
7 0
3 years ago
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