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3 years ago

8

What are all the signs that indicate the use of an open circle when graphing ?

1 answer:

JulijaS [17]3 years ago

7 0

Answer:

When graphing a linear inequality on a number line, use an open circle for "less than" or "greater than", and a closed circle for "less than or equal to" or "greater than or equal to".

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The proportion of students in a psychology experiment who could remember an eight-digit number correctly for t minutes was 0.9 −

kaheart [24]

Answer:

The proportion would be 0.1

Step-by-step explanation:

Given, the function that shows the proportion of students in a psychology experiment who could remember an eight-digit number correctly for t minutes,

$f(t) = 0.9 - 0.4\ln(t)$

If t = 7 minutes,

$f(7) = 0.9 - 0.4\ln(7)=0.9 - 0.77836=0.12164\approx 0.1$

Hence, the proportion that remembered the number for 7 minutes is 0.1 ( approx )

8 0

3 years ago

Simplify 2(x + y) + 3(x + y)

ANTONII [103]

The answer would be 5x+5y

5 0

3 years ago

There are 16 girls and 18 boys in a class. The teacher chooses a student's name at random to answer a question.

fomenos

Answer:

I would go with c

Step-by-step explanation:

if it is incorrect sorry

4 0

3 years ago

Read 2 more answers

Drag and drop an answer to each box to correctly explain the derivation of the formula for the volume of a pyramid.

Irina18 [472]

A prism is rectangular shaped,. a pyramid is triangular shaped.

The ratio would be 1 to 3

The formula for the pyramid is V = 1/3Bh

8 0

4 years ago

I need help with this pleasee

Sauron [17]

Answer:

120

Step-by-step explanation:

The area of the room is 300 feet^2

The carpet has a side length of 2.5 feet so you divide 300 by 2.5

300/2.5 = 120

3 0

3 years ago