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3 years ago

Can someone help me with this one? Thank you.

Mathematics

1 answer:

Andreas93 [3]3 years ago

4 0

Step-by-step explanation:

I haven't used distance formula or Pythagoras theorem, not sure why that's given at the bottom of your question. check the image. that is how I solved it

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Is the percent increase from 50 to 70 equal to the percent decrease from 70 to 50? Explain.

Salsk061 [2.6K]

Answer:

Step-by-step explanation:

Percent change is the difference in numbers divided by initial number converted to percent value.

Percent increase:

(70 - 50)/50*100% = 40%

Percent decrease:

(70 - 50)/70*100% = 28.57%

Compare:

40% ≠ 28.57%

4 0

2 years ago

Read 2 more answers

Is 25 pt or 13 qt bigger

Lina20 [59]

Each qt has 2 pts in it.

13 qts add up to 26 pts.

That's more than 25 pts.

5 0

3 years ago

Find two supplementary angels such that the measure of the first angle is 38° less than three times the measure of the second

stiks02 [169]

angle 1+ angle 2=180 supplementary angles add up to 180

angle 2=x assign angle a variable

angle 1= 3x-38 find equation for first angle

3x+x-38=180 set both angles added together equal to 180

4x-38=180 combine like terms

4x=218 add 38 to both sides

x=54.5 divide by 4

angle 2= 54.5

angle 2= (3x54.5)-38 plug back in and solve

angle 1= 125.5

7 0

3 years ago

Read 2 more answers

Attached as photo. Please help

Effectus [21]

By Euler's method the numerical approximate solution of the definite integral is 4.189 648.

<h3>How to estimate a definite integral by numerical methods</h3>

In this problem we must make use of Euler's method to estimate the upper bound of a definite integral. Euler's method is a multi-step method, related to Runge-Kutta methods, used to estimate integral values numerically. By integral theorems of calculus we know that definite integrals are defined as follows:

∫ f(x) dx = F(b) - F(a) (1)

The steps of Euler's method are summarized below:

Define the function seen in the statement by the label f(x₀, y₀).
Determine the different variables by the following formulas:

xₙ₊₁ = xₙ + (n + 1) · Δx (2)
yₙ₊₁ = yₙ + Δx · f(xₙ, yₙ) (3)
Find the integral.

The table for x, f(xₙ, yₙ) and y is shown in the image attached below. By direct subtraction we find that the numerical approximation of the definite integral is:

y(4) ≈ 4.189 648 - 0

y(4) ≈ 4.189 648

By Euler's method the numerical approximate solution of the definite integral is 4.189 648.

To learn more on Euler's method: brainly.com/question/16807646

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