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Nikolay [14]
3 years ago
10

5 divided by(4-3).3 Evaluate the expression

Mathematics
1 answer:
SSSSS [86.1K]3 years ago
5 0
It is 0.2 because you do the brackets first then divide
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A firefighter places a 29 feet ladder, so that the base of the ladder is 21 feet from the wall. What is the height at which the
Tju [1.3M]
Pythagorean theorem:
a^2+b^2=c^2 (C^2 always is the hypotenuse)

21^2+b^2=29^2
441+b^2=841
841-441=400
square root of 400 is 20
Your answer is 20
6 0
2 years ago
In Jan's library, she has 24 informational books. If 15% of the books are informational text, how many total books are in her li
tatyana61 [14]

Answer:

160 books

Step-by-step explanation:

To find the total amount of something, when given the percent and how much value the percent is, use this

Total = \frac{Number*100}{Percent}

This way we get:

Total = \frac{24*100}{15} = \frac{2400}{15} = 160

Hope this answer helped! :)

6 0
2 years ago
Please help (: !!
Yuki888 [10]
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4 0
3 years ago
How many different ways can the line be named? What are those names?
boyakko [2]

Answer: A. 3 ways: k, DE, ED (both DE and ED have line markers over top)

To name a line, we just need two points on the line. We list them in any order because the line extends forever in both directions. Contrast this with a ray where order does matter. The little k is another way to name a line, potentially simplifying things.

Choice B is close, but it mentions ray DE instead of line DE. Choice C is missing line ED. Choice D is a similar story as choice B. These facts allow us to rule out B through D.

5 0
3 years ago
Read 2 more answers
Find the inverse:<br> -3x+7y=14
mestny [16]

9514 1404 393

Answer:

  -3y +7x = 14

Step-by-step explanation:

The inverse relation is found by swapping the x- and y-variables. The relation that is the inverse of ...

  -3x +7y = 14 . . . . given relation

is

  -3y +7x = 14 . . . . inverse relation

8 0
2 years ago
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