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3 years ago

14

Help pleaseeee!!!!!!!

1 answer:

mylen [45]3 years ago

6 0

Help with what? I need more information

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How much will 27 copies cost if it cost $4.50 to make 150 copies?<br><br>use cross multiplication

Mamont248 [21]

Hey there!

To start, first set up a proportion where x is the cost to make 27 copies:
27/x=150/4.50

Now, solve for x by cross multiplying which should look like this:
27*4.50=x*150

Now simplify and solve for x:
121.5=150x
x=0.81

Therefore, it costs $0.81 to make 27 copies.

Hope this helps!

4 0

3 years ago

Now that you have described several mappings, consider a more general example. Suppose you are given two shapes and you must sho

IrinaK [193]

Answer:

Translation

Step-by-step explanation:

To explain say: you should slide a shape vertically or horizontal or in both on the plane to map it.

PS on my program it shows me that answers to study it so I know this is right

6 0

3 years ago

4/5 + 2/3 in simplest terms

RSB [31]

Answer:

$\frac{8}{15}$

Step-by-step explanation:

1) use this rule: $\frac{a}{b}$ × $\frac{c}{d} =\frac{ac}{bd}$

$\frac{4*2}{5*3}$

2) simplify 4 * 2 to 8

$\frac{8}{5*3}$

3) simplify 5 * 3 to 15

$\frac{8}{15}$

8 0

2 years ago

Solve by graphing <br><br> u=v and 6u=2v-24

Vadim26 [7]

Answer:

$u=-6 \\ \\ v=-6$

Step-by-step explanation:

In this exercise, we have two equations, namely:

$u=v \ and \ 6u=2v-24$

And we are asked to solve this problem by graphing. In this way, we can write a system of linear equations in two variables, but first of all, let's rewrite:

$u=y \\ \\ v=x$

Then:

$\left\{ \begin{array}{c}y=x\\6y=2x-24\end{array}\right.$

So here we have two lines.

The first one is:

$\boxed{y=x}$

This line passes through the origin and has a slope $m=1$

The second one is:

$6y=2x-24 \\ \\ \therefore y=\frac{2x-24}{6} \\ \\ \therefore \boxed{y=\frac{1}{3}x-4}$

This line has a slope $m=\frac{1}{3}$ and cuts the y-axis at $b=-4$

By using graph tools, we get the graph shown below, then:

$x=-6 \\ \\ y=-6 \\ \\ \\ Since \ u=y \ and \ v=x, then: \\ \\ u=-6 \\ \\ v=-6$

8 0

3 years ago

3 numbers in ascending order

Dimas [21]

Answer:

i think its 4, 5 and 27....

4 0

3 years ago