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NeX [460]
3 years ago
9

FIND THE DIFFERENCE (5x2 + 2x + 11) − (7 + 4x − 2x2)

Mathematics
2 answers:
Umnica [9.8K]3 years ago
8 0

Answer:

D

Step-by-step explanation:

never [62]3 years ago
6 0
The answer is D. 7x squared - 2x + 4 
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when the intreast earned is $27, the intreast rate is 1.5%, and the time is 2 years, what is the principal
Nikolay [14]

Answer:

27

Step-by-step explanation:

3 0
3 years ago
Read 2 more answers
If we inspect photocopy paper by randomly drawing 5 sheets without replacement from every pack of 500, what is the probability o
earnstyle [38]

Answer:

98.01% probability of getting 5 clean sheets

Step-by-step explanation:

A probability is the number of desired outcomes divided by the number of total outcomes.

In this problem, the order that the sheets are chosen is not important, so we use the combinations formula to solve this problem.

Combinations formula:

C_{n,x} is the number of different combinations of x objects from a set of n elements, given by the following formula.

C_{n,x} = \frac{n!}{x!(n-x)!}

0.4% of the sheets contain spots

Of 500, that is 0.004*500 = 2.

What is the probability of getting 5 clean sheets although 0.4% of the sheets contain spots?

Desired outcomes

2 are defective, so 5 sheets from a set of 500 - 2 = 498.

D = C_{498,5} = \frac{498!}{5!493!} = 250160254344

Total outcomes

5 sheets from a set of 500.

T = C_{500,5} = \frac{500!}{5!495!} = 255244687600

Probability:

P = \frac{D}{T} = \frac{250160254344}{255244687600} = 0.9801

98.01% probability of getting 5 clean sheets

7 0
4 years ago
Using the diagram above, create your own word problem.
KatRina [158]

Answer:

Step-by-step explanation: So since one of the box Is bigger it is larger in numbers so see how many little boxes can make the big box okay.

6 0
3 years ago
[PLEASE ANSWER ASAP 20 PTS] The entrance fee to a circus for a child is RM(3x-y). The entrance fee for an adult is RM2y more tha
Alenkinab [10]

Based on the calculation below, the amount he should pay altogether is RM15x – y.

<h3>How to solve a problem by collecting like terms?</h3>

Let C represent the entrance fee for a child and A represents the entrance fee for an adult, we therefore have:

C = RM(3x-y)

A = RM(3x-y) + RM2y = RM3x – RMy + RM2y = RM(3x – y + 2y) = RM(3x + y)

Since Mr. Kamal and his wife bring their three children to the circus, this implies that we have 2 adults and 3 children.

The amount he should pay altogether (T) can therefore be calculated by collecting the like terms as follows:

T = 3C + 2A = 3RM(3x – y) + 2RM(3x + y)

T = RM9x – 3y + RM6x + 2y

T = RM9x + RM6x – 3y + 2y

T = RM15x – y

Learn more about like terms here: brainly.com/question/14557679.

#SPJ1

4 0
2 years ago
WILL MARK BRAINLIEST!!! PLZ HELP
qwelly [4]

Answer:

Second graph

Explanation:

Since this is a negative <em>rate</em><em> </em><em>of</em><em> </em><em>change</em><em> </em>[<em>slope</em>], you can automatically eliminate the fourth and first graph, leaving you with the two midst graphs. Now, looking at this standard equation, we can tell that this will be imperfect because 2, 3, and 5 DO NOT have anything in common, so the second graph would make the most sense. The third graph shows you a y-intercept of [0, 1], so automatically, we get rid of that, leaving us with the above answer.

I am joyous to assist you anytime.

4 0
3 years ago
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