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Viktor [21]
3 years ago
9

The formula for the area of a trapezoid is A = h(b1 + b2), where A = area, h = height, b1 = base 1, and b2 = base 2.

Mathematics
1 answer:
stepladder [879]3 years ago
6 0

Answer:

4

Step-by-step explanation:

A=h(sum of base)

60=h(15)

60/15=h

h=4

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Ye Li drew a quadrilateral that is both a rectangle and a rhombus. Name the quadrilateral and describe it using the properties o
Anuta_ua [19.1K]

Answer:

The quadrilateral is a Square. A square is a type of rectangle and it can also be called a rhombus.

Step-by-step explanation:

A square is a smaller rectangle and if you turn a square, it will look like a rhombus.

4 0
3 years ago
Match each equation on the left with the number and type of its solutions on the right.
klemol [59]

Answer:

Step-by-step explanation:

1). Given equation is,

   2x² - 3x = 6

   2x² - 3x - 6 = 0

   To find the solutions of the equation we will use quadratic formula,

   x = \frac{-b\pm\sqrt{b^2-4ac}}{2a}

   Substitute the values of a, b and c in the formula,

   a = 2, b = -3 and c = -6

   x = \frac{3\pm\sqrt{(-3)^2-4(2)(-6)}}{2(2)}

   x = \frac{3\pm\sqrt{9+48}}{4}

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   x = \frac{3+\sqrt{57}}{4},\frac{3-\sqrt{57}}{4}

   Therefore, there are two real solutions.

2). Given equation is,

    x² + 1 = 2x

    x² - 2x + 1 = 0

    (x - 1)² = 0

     x = 1

     Therefore, there is one real solution of the equation.

3). 2x² + 3x + 2 = 0

     By applying quadratic formula,

     x = \frac{-b\pm\sqrt{b^2-4ac}}{2a}

      x = \frac{-3\pm\sqrt{3^2-4(2)(2)}}{2(2)}

      x = \frac{-3\pm\sqrt{9-16}}{4}

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3 0
3 years ago
3b - c +5 if c= - 4, b=2.
AnnZ [28]

Answer:

15

Step-by-step explanation:

To find the answer, plug the values of each variable into the equation and simplify. It may be easiest to plug one variable in at a time, simplify, then plug the next variable in. Remember, if the equation is asking you to subtract a negative number, the negatives cancel and you want to add the numbers.

b = 2          c = -4

3b - c + 5                                      <----- Original expression

3(2) - c + 5                                    <----- Plug 2 in for "b"

6 - c + 5                                        <----- Multiply 3 and 2

11 - c                                              <----- Add 6 and 5

11 - (-4)                                           <----- Plug -4 in for "c"

15                                                  <----- Add 11 and 4

3 0
2 years ago
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  /    \              /    \                  /            \              /  \
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                          /    \          /      \        /  \              /    \  
                        2     53     70     10    2   2          3     100  
                                        /  \     /   \                            /   \ 
                                      7 10   5   2                         2    50
                                         /  \                                         /  \
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                                                                                        /   \ 
                                                                                      5    2
The prime factors are in bold. 
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3 years ago
The average body temperature of a lemming is 98.6 degrees Fahrenheit. The
rosijanka [135]
I’m doing this too hopefully someone answers quick cause I’m confused also.
6 0
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