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antiseptic1488 [7]
3 years ago
7

Quickly!! Please help!! Geometry!! What is the area of the figure below?

Mathematics
1 answer:
Alex Ar [27]3 years ago
5 0

It's a parallelogram and a triangle.

The formula of an area of a It's a parallelogram:

A_P=bh

b - base, h - height

We have: b = 8 ft and h = 5ft. Substitute:

A_P=(8)(5)=40\ ft^2

The formula of an area of a tringle:

A_T=\dfrac{bh}{2}

b - base, h - height

We have: b = 10 ft and h = 5 ft. Substitute:

A_T=\dfrac{10\cdot5}{2}=\dfrac{50}{2}=25\ ft^2

The area of the figure:

A=A_P+A_T\to A=40+25=65\ ft^2

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A line passes through the points (1.4) and (2, 2). What is the equation of this line?
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Answer:

y = - 2x + 6

Step-by-step explanation:

The equation of a line in slope- intercept form is

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Calculate m using the slope formula

m = \frac{y_{2}-y_{1}  }{x_{2}-x_{1}  }

with (x₁, y₁ )  = (1, 4 ) and (x₂, y₂ ) = (2, 2 )

m = \frac{2-4}{2-1} = \frac{-2}{1} = - 2 , then

y = - 2x + c ← is the partial equation

To find c substitute either of the 2 points into the partial equation

Using (2, 2 ) , then

2 = - 4 + c ⇒ c = 2 + 4 = 6

y = - 2x + 6 ← equation of line

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2 years ago
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A sequence is defined by the following:
katrin2010 [14]

Answer:

Step-by-step explanation:

a1 = 6

a2 = -1.2*a_(n-1)

a2 = -1.2*a_1

a2 = -1.2 * 6

a2 = -7.2

a3 = -1.2*a_(n-1)

a3 = -1.2*a_2

a3 = -1.2 * - 7.2

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a4 = -1.2 * 8.64

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PLS HELP
NeTakaya
I don’t know o had this question two and couldn’t find the answer
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Which expression is equivalent to<br> 5<br> 8
neonofarm [45]

Answer:

10/16

Step-by-step explanation:

Just multiply the denominator and the numerator by 2 and wha la you get 10/16 hope it helps!

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in a circle a 60 sector has an area of 25 pi square feet. what is the circumference? leave your answer in terms of pi and in sim
belka [17]
The area of the sector is given by the equation,
                           A = πr²(x / 360°)
where x is the number of degrees in the figure. 
                           25π ft² = (πr²)(60/360)
The value of  r is 12.25 ft. Then, we use this value to calculate for the circumference of the sector. 
                           C = 2πr(x/360)
Substituting,
                              C = 2π(12.45)(60/360)
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