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sladkih [1.3K]
2 years ago
11

When we first learn arithmetic, we focus on working with whole numbers. Then, we extend our understanding to fractions and negat

ive numbers.
In algebra, we transfer these same skills to expressions involving variables. What elementary skills have you used so far in this course, and how have you extended them?

30pts plz write a paragraph
Mathematics
1 answer:
defon2 years ago
7 0

Answer:

Give an example from your life experience (outside of school) where it was important to understand fractions. Eg; how many cups of walnuts does she need for five pans of fudge?

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to angie's ladder was 22 feet tall above the ground lying against the wall of her house.the base of the ladder was 5 feet tall.w
Talja [164]

Answer:


Step-by-step explanation:

Okay, so attached is a diagram of the triangle we are solving. Because buildings are almost always perpendicular (90 degrees) to the ground, it is a right triangle.

You can now use the pythagorean theorem with the sides to fill in the other side:


a^2+ b^2= c^2

5^2 + b^2= 22^2

25+b^2=484

b^2= 459

b=21.42


Okay, so for slope you need 2 points- think of the wall as your y axis, and the ground as your x axis. The ladder is the line.

Your first point is (-5,0) because the bottom of the ladder is touching the ground (no y movement) and the bottom of the ladder is 5 feet from the base of the wall and ground (origin).

The second point is going to be (0, 21.42) because that is the height of the wall where the ladder is touching (x is at origin). The 21.42 is positive, because you can't have negative height.

Okay so far? :)

(-5,0) and (0, 21.42)

(x1, y1) and (x2, y2)

slope= (y2-y1)/(x2-x1)

slope= (21.42-0)/ (0-(-5)) ---- becomes positive

slope= 4.284

(Note: slope could also be negative if you put the ladder on the other side of the wall- 5 would become positive... google "positive vs negative slopes" for more info)


Hopefully that answers your question!

3 0
3 years ago
PLZ HELP
Lelechka [254]

Answer:

5 quartz would make the most sense, hope this helps

Step-by-step explanation:

7 0
2 years ago
What number comes next? 80 POINTS!!<br> 10, 3, 5, _ <br> 8, 5, 4, _<br> 12, 6, 3, _
lyudmila [28]

Answer:

7, 3 and 0

Step-by-step explanation:

10, 3, 5, 7

Because the numbers are differ by prime numbers less than 10, i.e, the difference between the numbers are 7,5 and next will be 3.

8, 5, 4, 3.

The difference between the numbers are 3, 4 and similarly it will be differ by 5 which means next will be no. 3.

12, 6, 3, 0.

The numbers are differ by 6, 9 and next will be differ by 12 resulting the next no. 0.

7 0
3 years ago
How many 4-digit numbers can be made from the digits 2, 3, 4, 5, 6, 7 if no digit is repeated in the same number?
jonny [76]
THis equals the number of permutations of 4 from  6.

= 6P4  =  6! /  (6 - 4)!   = 6! / 2!  =  720/2  = 360 answer
8 0
3 years ago
Answer the question in the photo. What would be the area and what would be the cost?
harkovskaia [24]
It would b 5 !!!!!!!!!!!!!!!!!!!!
6 0
3 years ago
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