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KATRIN_1 [288]
3 years ago
15

Amanda has 1/2 of a yard of fabric that she wants to use to make bias tape. Her seeing projects each require 1/8 yards of bias t

ape. How many pieces of bias tape can she make?
Mathematics
1 answer:
Ray Of Light [21]3 years ago
4 0

Answer:

n = 4

Step-by-step explanation:

Amanda has 1/2 of a yard of fabric that she wants to use to make bias tape. Each requires 1/8 yards of bias tape. We need to find the no of pieces of bias tape she can make.

It means,

n=\dfrac{1}{2}/\dfrac{1}{8}\\\\n=\dfrac{\dfrac{1}{2}}{\dfrac{1}{8}}\\\\n=4

Hence, she can make 4 pieces of bias tape.

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If the point (2, -10) lies on the graph of a direct variation, which represents the direct variation equation?
Zanzabum

\bf \qquad \qquad \textit{direct proportional variation} \\\\ \textit{\underline{y} varies directly with \underline{x}}\qquad \qquad y=kx\impliedby \begin{array}{llll} k=constant\ of\\ \qquad variation \end{array} \\\\[-0.35em] ~\dotfill\\\\ (\stackrel{x}{2},\stackrel{y}{-10})~~ \textit{we know } \begin{cases} x=2\\ y=-10 \end{cases}\implies -10=k2\implies \cfrac{-10}{2}=k\implies -5=k \\\\[-0.35em] \rule{34em}{0.25pt}\\\\ ~\hfill y=-5x~\hfill

8 0
3 years ago
What is the ratio of quarters to nickels in a dollar
sleet_krkn [62]

For quarters we have:

0.25x = 1

Where,

x: number of quarters

Clearing x we have:

x = \frac{1}{0.25}\\x = 4


For nickels we have:

0.05y = 1

Where,

y: number of nickels

Clearing y we have:

y = \frac{1}{0.05}\\y = 20


Then, the ratio of quarters to nickels is:

\frac{x}{y}= \frac{4}{20}

Simplifying we have:

\frac{x}{y} = \frac{1}{5}


Answer:

The ratio of quarters to nickels in a dollar is:

\frac{x}{y}= \frac{1}{5}

5 0
3 years ago
Read 2 more answers
Can you help me? i need to know the answer as soon as possible.
Natali5045456 [20]

9514 1404 393

Answer:

  see below (upper right)

Step-by-step explanation:

A function has no repeated x-values in the relation. The only table with unique x-values is the one shown below. It is upper right in your picture.

7 0
3 years ago
The volume of a cone is 180 in3. find a function that models the height h of the cone in terms of its radius r.
12345 [234]

volume of a cone = (1/3)*pi*r^2*h
180 = pi(r^2)h
180/pi(r*2) = h

5 0
3 years ago
Dear god help me I NEED this answer!!
tatiyna

Answer:

<em>Correct choices: a) 5:12 and c) 7 to 12</em>

Step-by-step explanation:

The ratio of red beads to pink beads is 5:7. This means that for every 5 red beads there are 7 pink beads.

It also means that for every 12 beads there are 5 red beads and 7 pink beads.

Therefore, there are two part-to-whole ratios:

5:12 red beans to total beads, and

7:12 pink beans to total beads

Correct choices: a) 5:12 and c) 7 to 12

5 0
3 years ago
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