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3 years ago

Marci bought 4 yards of ribbon for $6 how much should marci expect to pay for 10 yards of the ribbon?

Mathematics

2 answers:

elixir [45]3 years ago

8 0

The answer is 15$ she waist

Vinvika [58]3 years ago

5 0

Ok, let's find how much does 1 yard of ribbon cost. Let's divide!

$6 / 4 = 1.5$

Each yard costs $1.50, so let's multiply that by 10 $1.5 * 10 = 15$

Marci will pay $15 for 10 yards of the ribbon.

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A line passes through point A (14,21). A second point on the line has an x-value that is 125% of the x-value of point A and a y-

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Answer:

The equation of the line in point-slope form is $y-21 = - \frac{3}{2}\cdot (x-14)$ .

Step-by-step explanation:

According to the statement, let $A(x,y) = (14,21)$ and $B(x,y) = (1.25\cdot x_{A},0.75\cdot y_{A})$ . The equation of the line in point-slope form is defined by the following formula:

$y-y_{A} = m\cdot (x-x_{A})$ (1)

Where:

$x_{A}$ , $y_{A}$ - Coordinates of the point A, dimensionless.

$m$ - Slope, dimensionless.

$x$ - Independent variable, dimensionless.

$y$ - Dependent variable, dimensionless.

In addition, the slope of the line is defined by:

$m = \frac{y_{B}-y_{A}}{x_{B}-x_{A}}$ (2)

If we know that $x_{A} = 14$ and $y_{A} = 21$ , then the equation of the line in point-slope form is:

$x_{B} = 1.25\cdot (14)$

$x_{B} = 17.5$

$y_{B} = 0.75\cdot (21)$

$y_{B} = 15.75$

From (2):

$m = \frac{15.75-21}{17.5-14}$

$m = -\frac{3}{2}$

By (1):

$y-21 = - \frac{3}{2}\cdot (x-14)$

The equation of the line in point-slope form is $y-21 = - \frac{3}{2}\cdot (x-14)$ .

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About 6.3 inches after 14 day!

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We use the word argument to refer to a series of reasons given to support a claim. The claim being supported is the conclusion. The reasons given to accept the conclusion are called premises. Analyzing an argument means identifying its premises and conclusion.

Hope this helps! God bless you, have a good day~!

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