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makvit [3.9K]
2 years ago
5

the boat in calm water is 30 km / h. How far can tourists travel by boat if they have to return after 2 hours to the place from

which they left? 2 A group of tourists want to take a speedboat ride on a river that runs fast​
Mathematics
1 answer:
xeze [42]2 years ago
7 0

Answer:

60km

Step-by-step explanation:

They travel 30km in the first hour, then turn back and travel the same 30km backwards.

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Does anyone know a edulastic hack?
poizon [28]

Answer: The Pacing Method:

Use Edulastic to help convey weekly expectations and track student progress along the way

You can set up Edulastic to function as your check-in-tool with students, and Edulastic will help you in gathering student data during this process (#Edulasticforthewin!). This can help in estimating student participation grades and preparing reports to supervisors. It can also help with pacing and students staying on task.

When I was a high school science teacher I would structure “Check ins” with my students on written handouts that students had to present to me for my signature (upon meeting and discussing project updates, hearing feedback from me etc.). If I had access to Edulastic tools then, I could have instead coordinated these check ins digitally and privately using Edulastic. They could check-in on their own time, at home or at school. That makes things a heck of a lot more efficient than having students form a line waiting to talk to me at my desk! You can set this up to occur at the every other day mark, weekly mark, biweekly, or even monthly mark depending upon length and scope of a project in place.

Check out how this might look in Edulastic:

Step-by-step explanation:

4 0
3 years ago
Rectangle RSTU and the image R’S’T’U’ are graphed on the coordinate grid below.
Ksju [112]

The rectangle  R’S’T’U’ is a 90° counterclockwise rotation of RSTU so options (A) and (C) will be correct.

<h3>What is a rectangle?</h3>

The rectangle is a geometrical figure in which opposite sides are equal.

The angle between any two consecutive sides will be 90 degrees.

Area of rectangle = length × width.

Perimeter of rectangle = 2( length + width).

Given the rectangle RSTU if we plot it then it becomes a major horizontal rectangle.

If we transpose into R’S’T’U’ then it rotates 90 degrees counterclockwise and becomes a major vertical ractangle.

Hence the rectangle RSTU will rotate 90° counterclockwise to form  R’S’T’U’.

For more about rectangles,

brainly.com/question/15019502

#SPJ1

5 0
1 year ago
Write x2 - 8x - 3 in vertex form.
crimeas [40]
Vertex form:

y = a(x - h)² + k

I have not learned this stuff yet, but by using online calculators, I can determine that the vertex form is:

Y = (x - 4)² - 19

I believe so :/
6 0
3 years ago
Consider these scenarios. 1. A piano weighs 5.5 × 102 units.   2. A grain of salt weighs 1.02 × 10-3 units.   3. A tractor trail
zhannawk [14.2K]

Answer:

1) pounds

2) grams

3) tons

Step-by-step explanation:

The suitable measurements for the scenarios are:

1) A piano weighs 5.5 × 10² units

  550 Ib (pounds)

2) A grain of salt weighs 1.02 × 10^-3  units

    0.00102 grams

3) A tractor trailer weighs 8.8 × 10^1 units

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10²g = 1kg

10^-3g = miligrams

10^1 g = decagram

5 0
3 years ago
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How do you find volume of a octagonal prism?
mixer [17]

Answer:

V=2(1+2)a2h

Step-by-step explanation:

8 0
2 years ago
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