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vagabundo [1.1K]
3 years ago
11

List five examples of materials and equipment that can be used for math activities.

Mathematics
1 answer:
laila [671]3 years ago
5 0

Answer:

compass

protecter

scale

pencil

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What is -2m^2-2mn+8-10m+10n+mn+4n^2-5n simplify to
Mrac [35]
Find like terms and group them
3n and 5n are same and 4n^2 and 4n^2 are same
but 3mn and 5n are not and 3n and 2n^3 are not

group like terms
(-2m^2)+(-2mn+1mn)+(8)+(-10m)+(10n-5n)+(2n^2)
add like terms
(-2m^2)+(-mn)+(8)+(-10m)+(5n)+(2n^2)
-2m^2+2n^2-10m+5n-mn+8 is simplest form

4 0
3 years ago
Which of the following is an infinite series?
Brut [27]
<h3>Answer: Choice C)  2 - 6 + 18 - 54 + ...</h3>

Explanation:

The three dots or ellipses indicate the pattern goes on forever to infinity. So the answer is between choices A and C based on this alone. Choice A is a sequence while choice C is a series. A sequence is simply a list of values often in some kind of mathematical pattern. A series is where you add values from a sequence together. This distinction rules out choice A and makes choice C the answer.

Note: choice C is a geometric series with first term 2 and common ratio -3. The infinite series diverges because r = -3 is outside the range -1 < r < 1.

4 0
3 years ago
A freight carrier charges $0.80 for the first ounce plus an additional $0.25 for every ounce (or part of an ounce) over the firs
Jobisdone [24]

Answer:

$1.80

Step-by-step explanation:

5 ounces

1st ounce = .80¢ plus 25¢ for every other ounce. You have 4 ounces left. 25¢ times 4. = $1.00

$1.00

+0.80

_____

$1.80

3 0
3 years ago
Please help with this question
alisha [4.7K]
Yes because 4x3^x =12^x since the coefficient is added to the answer because it is in the 3.
3 0
3 years ago
Find the surface area of the prism.
Mekhanik [1.2K]

Answer: B 386

Step-by-step explanation:

(7*15)*2 + (7*4)*2 + (15*4)*2

= 210+120+56

= 386

3 0
3 years ago
Read 2 more answers
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