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Simora [160]
3 years ago
10

What’s the answer and can somebody explain how to solve it

Mathematics
1 answer:
inessss [21]3 years ago
3 0

The area of a trapezoid is calculated using the formula: 1/2(a + b)h. The diagram shows that base number one (a) is 8.5 dm and base number two (b) is 26.5 dm. The height is 9 dm. Substitute these values into the formula.

1/2(8.5 + 26.5) * 9, add 8.5 and 26.5 inside the parentheses.

1/2(35) * 9, you can now solve from left to right. Multiply 1/2 and 35.

17.5 * 9, multiply to get your final answer. The area of the trapezoid is C. 157.5 dm^2.

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What is the answer please
-Dominant- [34]

Answer:

23

Step-by-step explanation:

2m+ 3n First substitute the letters with numbers

=(2*4)+(3*5) DO the parentheses

=8+15 Add

=23

6 0
3 years ago
Which expression is equivalent to the polynomial x2-x-6
OLEGan [10]

Answer:

(x - 2)(x + 3)

Step-by-step explanation:

The given polynomial is

{x}^{2}  - x - 6

The factors of -6 that sums up to -1 are -3,2.

We split the middle term to obtain:

{x}^{2}  -3 x + 2x - 6

We factor to get:

x(x - 3) + 2(x - 3)

We factor further to get:

(x - 3)(x + 2)

The polynomial is equivalent to:

(x - 3)( x + 2)

3 0
4 years ago
Hey can you please help me posted picture of question
Debora [2.8K]
We can use quadratic formula to determine the roots of the given quadratic equation.

The quadratic formula is:

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

b = coefficient of x term = -11
a = coefficient of squared term = 2
c = constant term = 15

Using the values, we get:
x= \frac{11+- \sqrt{121-4(2)(15)} }{2(2)} \\  \\ 
x= \frac{11+-1}{4} \\  \\ 
x=3, x= 2.5

So, the correct answer to this question are option B and D
4 0
4 years ago
Which property is demonstrated in the equation 21×0=0 ?
attashe74 [19]

Property of Zero because anything multiplied by 0 equals 0. If this is right could I possibly have brainliest? Hope this helped!! :)

7 0
3 years ago
The relative growth rate for a certain type of fungi is 70% per hour. A small culture has formed and in just 6 hours the count s
Nezavi [6.7K]
54,273 = A * 1.70^6       where A  is the initial number
 A = 54273/1.70^6 =   2248  
6 0
4 years ago
Read 2 more answers
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