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pentagon [3]
3 years ago
7

Please answer this math question for me

Mathematics
2 answers:
finlep [7]3 years ago
6 0
60 degrees
Right angles add up to 90 so 90-30=60
irina [24]3 years ago
6 0

Answer:

A = 60°

Step-by-step explanation:

The total angle is 90°

So, subtract. 90 - 30 = 60°

Have a great day! :)

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Which of the following diagrams represents 80%?<br><br>Help please. it'd be very appreciated. :)​
Alenkasestr [34]

Answer:

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Step-by-step explanation:

there is 10 parts to the shape so your denominator would be 10 then if you count the shaded area there's 8, so 8 would be your numerator

8/10 = 0.8 or 80%

5 0
3 years ago
The Histogram is a graphic which is: A. Bar Chart useful for showing the distribution of data B. 80-20 principle C. A complex ti
Anvisha [2.4K]

Answer: Flow Chart. B - Fishbone Diagram. C - Scatterplot. D - 80-20 principle; used to identify the ... The Histogram is a graphic which is: A - Bar Chart useful for showing the distribution of data. B. 80-20 principle. C. A complex timeline. D. A simple history

Step-by-step explanation: Hope this helped :)

8 0
3 years ago
Approximate the integral integral integral integral f(x, y) dA by dividing the rectangle R with vertices (0, 0), (4, 0), (4, 2),
amm1812

Answer:

Step-by-step explanation:

Approximate the integral \int\int\limits_R {f(x,y)} \, dA by dividing the region R with vertices (0,0),(4,0),(4,2) and (0,2) into eight equal squares.

Find the sum \sum\limits^8_{i=1}f(x_i,y_i)\delta A_i

Since all are equal squares, so \delta A_i=1 for every i

\sum\limits^8_{i=1}f(x_i,y_i)\delta A_i=f(x_1,y_1)\delta A_1+f(x_2,y_2)\delta A_2+f(x_3,y_3)\delta A_3+f(x_4,y_4)\delta A_4+f(x_5,y_5)\delta A_5+f(x_6,y_6)\delta A_6+f(x_7,y_7)\delta A_7+f(x_8,y_8)\delta A_8\\\\=f(0.5,0.5)(1)+f(1.5,0.5)(1)+f(2.5,0.5)(1)+f(3.5,0.5)(1)+f(0.5,1.5)(1)+f(1.5,1.5)(1)+f(2.5,1.5)(1)+f(3.5,1.5)(1)\\\\=0.5+0.5+1.5+0.5+2.5+0.5+3.5+0.5+0.5+1.5+1.5+1.5+2.5+1.5+3.5+1.5\\\\=24

Thus, \sum\limits^8_{i=1}f(x_i,y_i)\delta A_i=24

Evaluating the iterate integral \int\limits^4_0 \int\limits^2_0 {(x+y)} \, dydx=\int\limits^4_0 {[xy+\frac{y^2}{2} ]}\limits^2_0 \, dx =\int\limits^4_0 {[2x+2]}dx\\\\=[x^2+2x]\limits^4_0=24.

Thus, \int\limits^4_0 \int\limits^2_0 {(x+y)} \, dydx=24

7 0
3 years ago
Please help me!!!!!!
kvasek [131]

2 would be the correct answer ;-)))) (1 on top?)

4 0
3 years ago
Read 2 more answers
What is the surface area of this rectangular prism?
zalisa [80]

Answer:

the exact answer is 250m2

Step-by-step explplanation:

3*7=21

21*2=42

13*2=26

13*7= 91

91*2=182

182+26+42 = 250m3

5 0
3 years ago
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