What is the common denominator of 3/8, 3/9, 3/10.

Answers

Answer 1

Answer:
I think the common denominator is 90. 8,9,and 10 can all go into 90.

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Answers

Answer:

Square. If the middle is 90° then all of them have to be.

Answer:

Square

Step-by-step explanation:

Technically that shape is all of them, because squares are all quadrilaterals, but the square is the most precise that you can get.

Hope that this helps!

Solve for h if d=1/2hw

Answers

d = 1/2hw
2dhw = 1
h = 1/2dw

i am a mathematics teacher. if anything to ask please pm me

d = 1/2 hw

hw = 2d

h = 2d/w

Given: x + 2y = -6.

Solve for y.

Answers

$x + 2y =-6$

Subtract x on both sides

$x + 2y-x =-6-x$

$2y =-6-x$

Divide by 2 on both sides

$(2y)/(2) =(-x-6)/(2)\n\ny =(-x-6)/(2)\n\n \boxed{\bf{y=-(1)/(2)x -3}}$

Simplify in picture below

Answers

Answer:

Step-by-step explanation:

Use PEMDAS

11 make sure you use pemdas

-1A line's y-intercept is 0, and its slope is
20
What is its equation in slope-intercept form?
Write your answer using integers, proper fractions, and improper fractions in simplest form.
Submit

Answers

Answer:

y=20x

Step-by-step explanation:

do do I intercept a zero, so you don't have a "b"

The slope is 20. that's pretty self-explanatory

Mr. Rodriguez asked 60 randomly chosen students from each grade level at Willowbrook School about their favorite types of reading materials. Of those 60 students, 12 chose science fiction. Mr. Rodriguez used the data to draw the inference that about 20% of middle school students prefer to read science fiction. If 150 students attend the school, did he make a reasonable inference? Explain.

Answers

Answer:

Mr. Rodriguez made a reasonable inference. His sampling was random, nonbiased, and reasonably large compared to the school population. 12 is 20% of 60.

Step-by-step explanation:

the ratio in the sample is 12/60, or 0.2

Answer:

The fair assumption was made by Mr. Rodriguez. His surveys were random, non-biased and very large according to the population of the schools. Of 60, 12 is 20%.

Im sad

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An arithmetic sequence is shown below. −7,−3,1,5,9,... Which represents an explicit formula for this sequence. A f(n) = -7 +4 (n-1) B f(n) = -4 +7 (n-1) C f(n) = -4 +7 (n-1) D f(n) = -11 (n-1)