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3 years ago

What is the area of 1.7 km and 2.5 km? ___ square kilometers

Mathematics

2 answers:

Mashutka [201]3 years ago

5 0

4.25 km (have a nice day

Kaylis [27]3 years ago

3 0

Answer:

4.15 km.

Step-by-step explanation:

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You notice a hot air balloon descending. The elevation h

ANEK [815]

Answer:

the domain is 0 x 45 and the range is 0 h 360. The slope is -8, so the change in the height of the ballon is -8 feet per second. The h-intercept is 360, so the height of the ballon when the first noticed it was 360 feet. The x-intercept is 45, so the time it took the hot air balloon to reach the ground was 45 seconds.

Step-by-step explanation:

8 0

3 years ago

You are a contractor and charge $65 for a site visit plus an additional $15 per hour for each hour you spend working at the site

tatiyna

Answer:

54.6 hours

Step-by-step explanation:

65x2 is 130 130-950 is 820 then 820 divided by 15 is 54.6 therefore meaning you have to work 54.6 hours to get 950$ you can check this by doing 54.6x15+130, might not be exact because i rounded to the nearest tenth.

Hope this helps!

8 0

3 years ago

A gardener sold 72 apples from the crop which was 12 % of the total

Westkost [7]

Divide the number sold by the percentage:

72 / 0.12 = 600

Total crop was 600 apples.

7 0

3 years ago

Read 2 more answers

Use Euler's method to obtain a four-decimal approximation of the indicated value. First use h = 0.1 and then use h = 0.05.

Juliette [100K]

Answer:

see below for the tables

Step-by-step explanation:

The differential equation is separable, so the solution is ...

$\displaystyle\dfrac{dy}{dx}=2xy\\\\\int{\dfrac{dy}{y}}=\int{2x}\,dx\\\\\ln{y}=x^2+C\\\\\text{Considering the initial condition, $C=-1$}\\\\\boxed{y=e^{x^2-1}}$

The values for yn are y+y'·h = y+2xyh. We take the "absolute error" to be the (signed) difference between the calculated yn and the actual value y(x).

4 0

3 years ago

Which two lines are parallel?<br> Which two lines are perpendicular?

lana66690 [7]

Answer:

see explanation

Step-by-step explanation:

Parallel lines have equal slopes

The product of the slopes of perpendicular lines = - 1

The equation of a line in slope- intercept form is

y = mx + c ( m is the slope and c the y- intercept )

All the equations given are in slope- intercept form

y = 2x + 1 → with m = 2

y = $\frac{1}{2}$ x - 4 → with m = $\frac{1}{2}$

y = x + 1 → with m = 1

y = - $\frac{1}{x}$ x - 3 → with m = - $\frac{1}{2}$

y = 10 + x → y = x + 10 → with m = 1

Thus

y = x + 1 and y = 10 + x are Parallel since both have m = 1

y = 2x + 1 and y = - $\frac{1}{2}$ x - 3 are Perpendicular since 2 × - $\frac{1}{2}$ = - 1

7 0

3 years ago