An algebraic expression is a mathematical expression that contains one or more

Mathematics

2 answers:

SashulF [63]4 years ago

6 0

An algebraic expression contains one or more variable

Example: 3x+2y=30 the x and y are the variables in this algebraic expression.

Taya2010 [7]4 years ago

4 0

one or more functions ? i think lol

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Solve -9 2/7 -(10 3/7)

vagabundo [1.1K]

I hope this helps you. i converted the fractions before doing the arithmetic to make life easier.

6 0

3 years ago

2017 poll found that 56% of college students were very confident that their major will lead to a good job. If 20 college studen

Furkat [3]

Answer: 0.1318

Step-by-step explanation:

Given : The proportion of college students were very confident that their major will lead to a good job : p= 0.56

Let x be the binomial variable (for success) that represents the number of college students were very confident that their major will lead to a good job.

with parameter p = 0.56 n= 20

Using binomial , we have

$P(x)=^nC_xp^x(1-p)^{n-x}$

Required probability :-

$P(x=13)=^{20}C_{13}(0.56)^{13}(1-0.56)^{20-13}\\\\=\dfrac{20!}{13!7!}(0.56)^{13}(0.44)^{7}\\\\=0.131833824312\approx0.1318$

Hence, the probability that 13 of them were very confident their major would lead to a good job =0.1318

8 0

3 years ago

How do you know<br> the quotient of 639 /<br> 6 is greater than<br> 100 before you actually divide

Goryan [66]

Answer:

because since the question is 639 / 6

we immediately know that 600 / 6 is 100

639 / 6 = 106.5

7 0

3 years ago

Read 2 more answers

What is the equation of the line that passes through the point negative 7 comma 21 and is parallel to the line y equals 1-sevent

Lena [83]

Answer: $y=-\frac{1}{7} x+22$

Step-by-step explanation:

For a line to be parallel to another, it must have an equivalent slope. The equation, $y=-\frac{1}{7} x-56$ , is in slope-intercept form. Thus, the slope of both lines must be -1/7. Then, using the slope-intercept formula, plug in 7 for x and 21 for y to get: