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azamat
2 years ago
11

Ivanna jogged for 35 minutes.

Mathematics
2 answers:
Gennadij [26K]2 years ago
5 0
Answer
Ivanna started jogging at 7:20
Oxana [17]2 years ago
4 0

55-35=20 so she started at 7:20

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The maximum grain yield for corn is achieved by planting at a density of 37,000 plants per
Firlakuza [10]

According to the question, there are 37000 plants per hectare, the total corn plan required is 475,665.75 corn plants

<h3>Determining the area of a trapezium?</h3>

The trapezium is a 2 -dimensional plane shape with the area calculated as shown below:

The formula for calculating the area of a trapezoid is expressed as:

Area = 0.5(a + b)h

Given the following parameters

  • a = 500 ft
    b = 900ft
    height h = 800ft

Substitute the given parameters
Area = 1/2 (500 + 900) * 800
Area = 1/2 (1400) * 800
Area = 560000 square feet

Since 1 acre is equivalent to 43560 square feet, hence the total acre required is expressed as:

Total acre = 560000/43560
Total  acre = 12.856 acres

<h3>Convert the acres to total corn plant</h3>

Also since there are 37000 plants per hectare, the total corn plan required is 475,665.75 corn plants

Learn more on area of trapezoid here: brainly.com/question/1463152

6 0
2 years ago
Is 3(–2) + 7(2) equivalent to (–3)(–3) + (–1)(1)? Let negative numbers be represented with a "–" symbol and positive numbers be
jek_recluse [69]
3(-2) + 7(2) = 8
(-3)(-3) + (-1)(1) = 8
yes
3 0
3 years ago
What is 6 to the power of 2/3 in radical form
miss Akunina [59]

Answer:

6√6

Explanation:

6^1+1/2=6√6

Mark me as brainliest if it helps :)

4 0
4 years ago
Read 2 more answers
What greater than 1/3
Sholpan [36]
I think the The answer 1/1 or1/2! If it is not correct then ask some one else
8 0
3 years ago
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The path of a projectile launched from a 20-ft-tall tower is modeled by the equation y = -5x2 + 40x + 20. What is the maximum he
Otrada [13]

Answer:

30.49 m

Step-by-step explanation:

To obtain the maximum height, we solve for the value x when dy/dx = 0.

Since, y = -5x² + 40x + 20

dy/dx = d[-5x² + 40x + 20]/dx

dy/dx = -10x + 40

Since dy/dx = 0,

-10x + 40 = 0

-10x = -40

x = -40/-10

x = 4

Substituting x = 4 into the equation for y, we have

y = -5x² + 40x + 20

y = -5(4)² + 40(4) + 20

y = -5(16) + 160 + 20

y = -80 + 160 + 20

y = 80 + 20

y = 100 ft

Since y is in feet, we convert to meters.

Since 1 m = 3.28 ft, 100 ft = 100 ft × 1 m/3.28 ft = 30.49 m

So, the maximum height, in meters  reached by the projectile is 30.49 m

3 0
3 years ago
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