3/8 x 3/4= 9/32 1/2 9/24 1/8

Mathematics

1 answer:

Ymorist [56]3 years ago

3 0

Answer:

9/32

Step-by-step explanation:

3 x 3 = 9. 8 x 4 = 32. 9/32

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Your station charges $16.50 for a lubrication job. As a promotion you sell six coupons for lubrication jobs for $90. What percen

Lena [83]

Multiply 6 by $16.50 to get the total amount = $99

now to get the percentage discount : 99-90 (which is the difference) / 99 (original price of what it should have been )

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4 0

3 years ago

Read 2 more answers

Mark reads 42 pages of a book every 3/4 hour. Write an equation that models the relationships between x, the number of hours Mar

Illusion [34]

Answer:

The equation that models the relationships between $x$ , the number of hours Mark reads, and , $y$ the number of pages of the book he reads is:

$y=56x$

Step-by-step explanation:

Given:

Mark reads 42 pages every $\frac{3}{4}$ hour.

The number of hours is given by = $x$

The number of pages is given by = $y$

The equation can be modeled as:

$y=mx+b$

where $m$ represents rate of change and $b$ represents the y-intercept or the initial value.

Rate of change = $=\frac{Change\ in\ y}{Change\ in\ x}=\frac{42}{\frac{3}{4}}=42\times \frac{4}{3}=56$

The initial value $b=0$ as Mark starts reading from 0.

So, the equation is:

$y=56x$

7 0

3 years ago

How do you find the parameterization of a helix?

Marina CMI [18]

Answer:

$\left\{\begin{array}{l}x=r\cos t\\ \\ y=r\sin t\\ \\z=at\end{array}\right.$

Step-by-step explanation:

A <u>helix</u> is a curve for which the tangent makes a constant angle with a fixed line. The shortest path between two points on a cylinder (one not directly above the other) is a fractional turn of a helix, as can be seen by cutting the cylinder along one of its sides, flattening it out, and noting that a straight line connecting the points becomes helical upon re-wrapping (see attached diagram for helix).

The parametrization for the helix is

$\left\{\begin{array}{l}x=r\cos t\\ \\ y=r\sin t\\ \\z=at\end{array}\right.,$