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marshall27 [118]
3 years ago
10

PLEASE HELP I WILL GIVE 50 POINTS!!!!!!

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

Answer:

288 units

Step-by-step explanation:

The shape can be broken down into a trapezoid, a rectangle, and a triangle.

The area of the trapezoid will be \frac{1}{2} {1}{2} (9)(7+10) = 76.5

The area of the rectangle will be (7)(20)=140

The area of the triangle will be \frac{1}{2}(11)(13)=71.5

Finding the sum of those shapes will produce an answer of 288 units

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Type the correct answer in the box. Use numerals instead of words. If necessary, use / for the fraction bar.
Hatshy [7]

Answer:

The change in the area of the rectangle is 0 square feet

Step-by-step explanation:

To solve this problem we have to calculate the area of ​​the two rectangles that give us

first we have to know the formula to calculate the area of ​​a rectangle

a = area

l = length  = 12ft

w = width = 5ft

a = l * w

we replace the known walues

a = 12ft * 5ft

a = 60ft²

we do the same with the other rectangle, but first we have to calculate its sides

w = 5ft - (5ft * 20/100)

w = 5ft - 1ft

w = 4ft

l = 12ft + (12ft * 25/100)

l = 12ft + 3ft

l = 15ft

a2 = 15ft * 4ft

a2 = 60ft²

to calculate the change in the area we subtract (a - a2)

a - a2 =

60ft² - 60ft² = 0ft²

3 0
3 years ago
Please Help! In which of the following intervals does the trigonometric inequality sec(x)
timofeeve [1]

Step-by-step explanation:

sec(x) = 1/cos(x)

cot(x) = cos(x)/sin(x)

sec is smaller than cot, if cos is negative (making sec negative) and sin is negative (making cot positive).

and that is true for the third quadrant.

which is pi < x < 3×pi/2

so, the third answer is right.

3 0
2 years ago
If a triangle has an area of 192 mm2, and the
Debora [2.8K]

Answer:32mm

Step-by-step explanation:

area of triangle = 1/2 *base * height

192mm2 = 1/2 *b* 12mm

192 =6b

base=192/6

base= 32mm

3 0
3 years ago
Write an equation of the line passing through (-2,4) and (3,5). Give the answer in standard form.The equation of the line in sta
Alecsey [184]

Start finding the slope of the line

\begin{gathered} m=\frac{y_2-y_1}{x_2-x_1} \\ \text{then,} \\ m=\frac{5-4}{3-(-2)} \\ k=\frac{1}{5} \end{gathered}

using one of the points find the intercept and the standard form

\begin{gathered} (-2,4) \\ 4=\frac{1}{5}(-2)+b \\ b=4+\frac{2}{5} \\ b=4.4 \end{gathered}

the equation of the line is

y=\frac{1}{5}x+4.4

6 0
9 months ago
59 + (h-11) I need it ASAP pls help
Black_prince [1.1K]

Answer:

=h+48

Step-by-step explanation:

59+h−11

=59+h+−11

Combine Like Terms:

=59+h+−11

=(h)+(59+−11)

Answer

=h+48

Hope I was helpful!!

3 0
2 years ago
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