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LUCKY_DIMON [66]
3 years ago
13

1. Simplify - 5b • 4 + 6a - 4a.4-45 + 5-4.-13a - 1

Mathematics
1 answer:
NISA [10]3 years ago
6 0

answer: -8.6a-2b-45

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There are 26 third graders and 32 fourth graders going on a field trip. each van carry 10 students. how many students are needed
Zolol [24]
26+32=58
6*10=60
6 vans are needed.
10 students will be in the each of the five vans. 8 students will be in the other van.
6 0
3 years ago
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Plz help no one would help me with this i beg of u
Tems11 [23]

Answer:

1.) D. Rotation

2.) D. Side H

3.) A. Reflection

4a) AB≅WX  

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4b) C≅Y

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Hope this helps!

4 0
3 years ago
Rosa is trying to copy an angle. She reads and understands all of the steps, but insists on drawing circles instead of arcs. Whi
maksim [4K]

You have the correct answer. It is choice A. Nice work.

I prefer using full circles because sometimes the arcs could be too small in measure to not go where you want them to. If you're worried about things getting too cluttered (a legitimate concern), then I recommend drawing everything in pencil and only doing the circles as faint lines you can erase later. Once the construction is complete, you would go over the stuff you want to keep with a darker pencil, pen or marker. You can also use the circle as a way to trace over an arc if needed.

Choice B is false as a full circle can be constructed with a compass. Simply rotate the compass a full 360 degrees. Any arc is a fractional portion of a circle.

Choice C is false for similar reasoning as choice B, and what I mentioned in the paragraph above.

Choice D contradicts choice A, so we can rule it out. Arcs are easier to draw since it takes less time/energy to rotate only a portion of 360 degrees. Also, as mentioned earlier, having many full circles tend to clutter things up.

7 0
3 years ago
F(x) = -2x - 1; Find f (x - 4)
qaws [65]

Answer:

B

if f(x-4) then we should put x-4 where the x is spouse to be so;

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-2x + 7

5 0
3 years ago
How many pennies are in one nickle
prohojiy [21]

Answer:

5 pennies

Step-by-step explanation:

A nickel is 5 cents, and one penny = one cent. So, there needs to be 5 pennies for it to equal 5 cents.

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3 years ago
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