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2 years ago

Which mathematical term describes both 19x and 4x in the expression 19x+4x?

Mathematics

1 answer:

Phoenix [80]2 years ago

8 0

Answer:

The answers is coefficient

Step-by-step explanation:

they both have a variable attached which makes them both coefficients

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(a-b) ( a+b) simplify

BlackZzzverrR [31]

Answer:

$a^2 - b^2$

Step-by-step explanation:

1. $(a)(a)+(a)(b)+(-b)(a)+(-b)(b)$

2. $a^2 + ab - ab - b^2$

3. $a^2 - b^2$

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2 years ago

Antonia’s class is in the midst of a heated discussion about climate change. It seems as though everyone has an opinion on the s

erastova [34]

Answer:

A. listen closely to what everyone is saying to see if it sparks an idea, write it down, and share it at the ideal moment.

Step-by-step explanation:

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2 years ago

a. A 2017 poll found that 56% of college students were very confident that their major will lead to a good job. If 15 college s

lesya [120]

Answer:

0.01083 or 1.083%

Step-by-step explanation:

This problem can be modeled as a binomial probability model with probability of success p = 0.56.

The probability of x=13 successes (a college student being very confident their major would lead to a good job) in a number of trials of n=15 is:

$P(X=x) = \frac{n!}{(n-x)!x!} *p^x*(1-p)^{n-x}\\P(X=13) = \frac{15!}{(15-13)!13!} *0.56^{13}*(1-0.56)^{15-13}\\P(X=13) = 0.01083=1.083\%$

The probability is 0.01083 or 1.083%.

8 0

2 years ago

2.5 m<br> 9 m<br> 1<br> 24 m<br> Work out the perimeter.

deff fn [24]

Step-by-step explanation:

thirty six point five(36.5)

7 0

2 years ago

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Ax-bx+y=z solve for x

Vladimir [108]

Answer:

This question requires us to change the subject of a formula. This can be achieved by following the order of operations in reverse. First, isolate the terms with our variable of interest, x:

ax - bx = z - y

Then, we take x out as it is being multiplied to both a and b:

x(a - b) = z - y

Dividing (a - b) on both sides, we get:

x = (z - y) / (a - b)

Thus, the answer is x= z-y/a-b

Step-by-step explanation:

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2 years ago

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