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gregori [183]
3 years ago
10

Pls help im trying to find the area of this trapezoid

Mathematics
2 answers:
Hatshy [7]3 years ago
4 0
Area of middle rectangle: 8 x 3 = 24
Area of both right triangles: (8x7)/2 = 28
24 + 28 + 28 = 80 units squared
Wewaii [24]3 years ago
3 0

Answer:

80

Step-by-step explanation:

1st, the trapezoid is broken down into 3 figures meaning we find the area of each and then add them all up.

Triangle 1: (7 * 8)/2 = 28

Triangle 2: (7 * 8)/2 = 28

Rectangle: 3 * 8 = 24

28 + 28 + 24 = 80

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Five million bacteria live in an organism. The doubling period is 1.5 hours. How many will there be after:
finlep [7]
We write the generic exponential equation:
 y = A (b) ^ t
 Where,
 A: initial population
 B: growth rate
 t: time in hours.
 Substituting values we have:
 y = 5 (2) ^ ((1 / 1.5) * t)
 For t = 9 hours we have:
 y = 5 (2) ^ ((1 / 1.5) * 9)
 y = 320 million
 For t = 24 hours (one day) we have:
 y = 5 (2) ^ ((1 / 1.5) * 24)
 y = 327680 million
 For t = 2 hours we have:
 y = 5 (2) ^ ((1 / 1.5) * 2)
 y = 12.5992105 million
 Answer:
 
a) t hours?
 
y = 5 (2) ^ ((1 / 1.5) * t)
 
b) 9 hours?
 
y = 320 million
 
c) 1 day?
 
y = 327680 million
 
d) 2 hours?
 
y = 12.5992105 million
8 0
3 years ago
after reading a book for english class, 100 students were asked whether or not they enjoyed it. Nine twenty-fifths of the class
ruslelena [56]
99 16/25 or 2491/25
100-9/25= 99.64
99.64 as a mixed number is 99 16/25 or 2491/25 as an improper fraction
6 0
4 years ago
Let f (x) be a polynomial function with a zero of multiplicity of 1 at 2 and a zero of multiplicity of 2 at 1. Let g(x) be the r
Stella [2.4K]

The polynomial functions in their expanded form is given as follows. It is right to state that there are no breaks in the domain of h(x).

<h3>

What is a polynomial function?</h3>

In an equation such as the quadratic equation, cubic equation, etc., a polynomial function is a function that only uses non-negative integer powers or only positive integer exponents of a variable.

For instance, the polynomial 3x+4 has an exponent of 1.

Part A: F(x) has zero at 2 and multiplicity of 1; and

1 at the multiplicity of 2

f(x) = x-2) (x-1)²

= (x-2) (x² - 2x + 1)

= x³ - 4x² + 5x -2

Part B: h (x) = \left \{ {{x^3 -4x^2 + 5x -2; X < 0} \atop {\sqrt[3]{x-2} ; X\geq 0 }} \right.

The domain of X is X ∈ R

Hence it is correct to state that there are no breaks in the domain of h(x).

Learn more about polynomial functions:
brainly.com/question/2833285
#SPJ1

6 0
2 years ago
An eighth-grade teacher wants to improve how the students function in small groups. What is the best strategy for improving the
WINSTONCH [101]

Answer:

I don't think you are asking a math question, but in my opinion you should choose a leader that you think would be responsible in a group, then tell them what the group needs to do.

Step-by-step explanation:

4 0
3 years ago
For the figures shown, FHJL ~ NPRS. The scale factor applied to FHJL to create NPRS is 4 to 3.
GrogVix [38]

Remark

For every 3 units for NP will be 4 units. You can set up a proportion.

\dfrac{3}{4} = \dfrac{45}{NP}\text{Cross Multiply}

3*NP = 4*45

3*NP = 180 Divide by 3

NP = 180/3

NP = 60

Answer C

7 0
3 years ago
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