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3 years ago

What is a fraction strips

2 answers:

6 0

Fraction strips are rectangular pieces (electronic or copied on paper strips) to represent different parts of the same whole. They can be cut apart and manipulated to see how various parts can be added together to make the whole or compare different fractional amounts for equivalency

horsena [70]3 years ago

5 0

Answer:

Step-by-step explanation:

It’s like a line strip that shows how fraction are equal and how they compared to other fractions

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Select all of the pieces of information that would tell you x and y have a proportional relationship. Let y represent the distan

natima [27]

Complete Question:

Select all of the pieces of information that would tell you x and y have a proportional relationship.

Let y represent the distance between a rock and a turtle's current position in meters and x represent the number of minutes the turtle has been moving. y=3x

1. After 4 minutes, the turtle has walked 12 feet away from the rock.

2. The turtle walks for a bit, then stops for a minute before walking again.

3. The turtle walks away from the rock at a constant rate.

Answer:

1. After 4 minutes, the turtle has walked 12 feet away from the rock.

3. The turtle walks away from the rock at a constant rate.

Step-by-step explanation:

Given

$y = 3x$

Required

Determine which of the options answers the question

Recall that:

$y = distance$

$x = time$

Analyzing the options 1 after the other:

Option 1:

In this option, we have that:

$y = 12$

$x = 4$

Substitute these values of x and y in the given equation

$y = 3x$

$12 = 3 * 4$

$12 = 12$

Because both sides of the equation are equal, this option shows a proportional relationship

Option 2:

The given equation cannot be used to ascertain the information given in this option.

Because for a every time (in minutes) traveled by the turtle, there's a corresponding distance moved.

Option 3:

Recall that

$y = 3x$

Assume $x = 5$

y would be

$y = 3 * 5$

$y = 15$

Assume $x = 6$

y would be

$y = 3 * 6$

$y = 18$

For every values of x and corresponding y value, there exist a constant relationship because:

$\frac{y}{x} = 3$

This implies that the rate at which the turtle moved is 3ft/s and this rate is constant.

7 0

3 years ago

The graph of a function f is shown below. Find f (2)

liberstina [14]

Answer: f(2) is 3.

Step-by-step explanation:

f(2) just means "what is the vale of the function, f, when x = 2? Look for x=2 and read the y value where the line crosses x=2, in this case, the y value is 3. So f(2) = 3.

======

[One could also determine the equation for the line. Provided below.]

The slope is -(1/2) and the y-intercept is 4:

y = -(1/2)x + 4

For x=2,

y = -(1/2)*(2) + 4

y = 3

y(2) = 3

4 0

3 years ago

Consider a sample on the waiting times (in minutes) at the billing counter in a grocery store to be 15, 24, 18, 15, 21, 20, 15,

Ipatiy [6.2K]

The mean, median, and mode is 18.5, 19, 15.

We have

15, 24, 18, 15, 21, 20, 15, 22, 19, 16, 15, 22, 20, 15, and 21.

In ascending order:

15, 15, 15, 15, 15, 16, 18, 19, 20, 20, 21, 21 ,22, 22, 23

n=15(number of observations)

The median is $\frac{n+1}{2} \\= > \frac{16}{2} =8th term$

Median: 19.

Mean:

$\frac{sum}{n}\\ \frac{278}{15} \\=18.5$

Mode: 15.

Learn more about Mean:

brainly.com/question/18060320

#SPJ4

8 0

2 years ago

Simplify 4(3x - 1) = 2(6 + 2x) 14x - 13 8x -16 8 + 16x 14x + 13

jeyben [28]

Answer:

8 + 16x

Step-by-step explanation:

3 0

4 years ago

Can 12/21 and 15/24 form a proportion?

Tasya [4]

To know if two fractions are proportionate, we need to cross multiply the fractions, if their cross products are equal, then they are proportionate, if not then they are not proportionate, however we can solve for the number that will make each fraction proportionate to the other.

12/21 = 15/24

cross multiply.

12*24 = 15*21
288 = 315 * not proportionate

because we use the 1st fraction as basis, we need to adjust the 2nd fraction to make it proportionate to the 1st fraction.

12/21 we can multiply the fraction by any number as long as we multiply the number to both numerator and denominator to keep the 2nd fraction in proportion to the first fraction.

5 0

3 years ago

Read 2 more answers