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Gre4nikov [31]
3 years ago
15

Please help it has to be one of these 4

Mathematics
1 answer:
Darya [45]3 years ago
3 0
The answer is c

The rate of change is 30

Could you please mark brainleist
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Buffy ate 10 hot dogs every 35 minutes. At that rate, how long, in minutes will it take to eat 6 hot dogs
erik [133]

Answer:

21 minutes

Step-by-step explanation:

35 ÷ 10 = 3.5

3.5 × 4 = 14

35 - 14 = 21

=21

8 0
3 years ago
Trong kiểm định giả thuyết thống kê về so sánh trung bình với số cho trước, nếu tổng thể X không có phân phối chuẩn thì cần điều
Lana71 [14]

Answer:

Khi cỡ mẫu bằng hoặc lớn hơn 30 thì phân phối chuẩn.

Tuy nhiên, nếu tập dữ liệu không được phân phối bình thường, thì tập dữ liệu lớn hơn kích thước mẫu là 30

Step-by-step explanation:

Khi cỡ mẫu bằng hoặc lớn hơn 30 thì phân phối chuẩn.

Tuy nhiên, nếu tập dữ liệu không được phân phối bình thường, thì tập dữ liệu lớn hơn kích thước mẫu là 30

5 0
3 years ago
10 Points! Please help thanks!
cestrela7 [59]

Answer:

Area = 200x - x², Max area is 10000m² with dimensions 100m × 100m

Step-by-step explanation:

Total fencing = perimeter

Let length of the sides be x and y,

2(x + y) = 400

x + y = 200

y = 200 - x

Area = x × y

= x(200 - x)

Area = 200x - x²

For max area, convert area into the completed square form

-(x² - 200x)

-(x² -2(x)(100) + 100² - 100²)

-[(x - 100)² - 10000]

-(x - 100)² + 10000

Max area is 10000 m²

Because the least value of (x - 100)² is 0.

That too when x = 100

When x = 100,

y = 200 - x = 200 - 100 = 100

Dimensions are 100m × 100m

5 0
4 years ago
I need to know how to do question 24 part b
Vaselesa [24]
Well area is length x width but it doesn't seem to have a length. Sorry hope the reminder helped a little bit.
4 0
4 years ago
What is the slope and the point of y - 5 = 3/2 (x + 3)? please help
goldfiish [28.3K]

y - 5 = 3/2(x + 3)

y - 5 = 3/2x + 9/2

y = 3/2x + 9/2 + 5

y = 3/2x + 19/2

<em>Equation</em><em> </em><em>of</em><em> the</em><em> line</em><em> </em><em>formula</em><em> </em><em>:</em><em> </em><em>y</em><em> </em><em>=</em><em> </em><em>mx</em><em> </em><em>+</em><em> </em><em>c</em>

<em>#</em><em>S</em><em>o</em><em> </em><em>the</em><em> </em><em>slope</em><em> </em><em>(</em><em>m</em><em>)</em><em> </em><em>is</em><em> </em><em>3</em><em>/</em><em>2</em>

<h2><em>Answer</em><em> </em><em>:</em><em> </em><em>3</em><em>/</em><em>2</em></h2>
4 0
4 years ago
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