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RSB [31]
3 years ago
5

Factor 5(x^2n-1)·(2x^3n 1)^2

Mathematics
1 answer:
nikdorinn [45]3 years ago
3 0

I think I may be wrong check

5(x^2n-1)×(2x^3n-1) ^2

=20n3 x8 -20n2 x5 +20n x3 +20n x3 +5n x2-5

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elsa,ryan, and jim sent a total of 116 text messgaes during the weekend. ryan sent 4 times as many messages as jim. elsa sent 10
kozerog [31]

The number of messages sent by Elsa, Ryan and Jim are 11 , 84 and 21 respectively.

<em><u>Explanation</u></em>

Suppose, the number of messages Jim sent is x

As Ryan sent 4 times as many messages as Jim, so the number of messages sent by Ryan = 4x

Also, Elsa sent 10 fewer messages than Jim, so the number of messages sent by Elsa = x-10

Given that, they sent a <u>total of 116</u> text messages. So the equation will be.......

x+4x+(x-10)=116\\ \\ 6x-10=116\\ \\ 6x= 126\\ \\ x= \frac{126}{6}= 21

So, the number of messages sent by each of them.....

Jim = 21\\ Ryan = 4*21= 84\\ Elsa= 21-10= 11

4 0
3 years ago
Yasmin purchased 6 heads of cabbage that each weighed 2 and StartFraction 3 over 8 EndFraction pounds. How much did the cabbage
padilas [110]

The total weight of cabbage is 14 1/4

<h3 /><h3>What is Equation?</h3>

An equation can be defined as a mathematical statement consisting of an equal symbol between two algebraic expressions that have the same value.

Given:

Yasmin purchased 6 heads of cabbage that each weighed 2 and  3/8 pounds.

So,

2 and 3/8 = 19/8

1 cabbage = 19/8 pounds

6 cabbages = x pounds

1 * x = 6 * 19/8

x = 114/8

x = 14 2/8

x = 14 1/4

Learn more about this concept here:

brainly.com/question/18762466

#SPJ1

4 0
1 year ago
Identify the type of data (qualitative/quantitative) and the level of measurement for the following variable. Explain your choic
AleksAgata [21]

Answer:

Option  C. Quantitative, because numerical values, found by either measuring or counting, are used to describe the data.              

Step-by-step explanation:

We are given the following in the question:

Variable: Final exam scores (from 0 to 100) for graduating high school seniors.

The following variable is a quantitative variable.

Quantitative variable:

  • Their values are expressed in numerical.
  • They are either measured or counted.
  • Descriptive terms are not used to describe them.
  • They can either be continuous or discrete.

Since final scores have numerical values and are counted, they are quantitative variables.

Option  C. Quantitative, because numerical values, found by either measuring or counting, are used to describe the data.

Level of measurement:

A score of zero means no true existence for score. That is true zero exist.

Thus, it is ratio because difference between the values in data can be compared meaningful and they have a true zero.

7 0
3 years ago
Which equations support the fact that rational numbers are closed under subtraction?
Illusion [34]

Answer:

A rational number is said to be closed if the subtracted values and the result obtained are rational. Hence, the equations which supports the condition are :

5.5 - 0.5 = 4

5√4 - √4 = 4√4

Step-by-step explanation:

A.)

√8 - √8 = 0 ; the added values aren't rational and the result, Zero is not rational either.

B.)

5√4 - √4 = 4√4

5(2) - 2 = 2(2)

10 - 2 = 4

All the values in the expression are rational ; hence, it supports the assertion.

C)

5.5 - 0.5 = 4 ; all the values in the expression are rational, hence, it supports the fact.

2√3 - √3 = √3 ; the values in the expression are not rational, hence, it does not meet the condition.

Therefore, only options B and C supports the assertion.

Let me add that I learned most of this from Brainly a user named fichoh :)

7 0
2 years ago
Sovle the question l-9l + l-1l ​
Arada [10]

Answer:

10

Step-by-step explanation:

| | means absolute value. Absolute value is always positive, so your equation would be evaluated to 9 + 1 = 10

7 0
3 years ago
Read 2 more answers
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