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Leno4ka [110]
3 years ago
14

Help with both please ;-;

Mathematics
2 answers:
Schach [20]3 years ago
4 0
Volume = l*b*h

1. Ans 24 unit cubes

Because it had 6 unit cubes as length, 2 unit cunes as breadth and 2 unit cubes as height.

2. Volume = l*b*h
= 30*15*4
=1800 cubic feet
lilavasa [31]3 years ago
3 0
The first one is 24 unit cubes because all you need to do is count the amount of cubes the cuboid has. Unfortunately I have no idea how to do the second one
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W(t) = 3t – 1; t = 5
son4ous [18]
I’m not sure if your asking for the solution, but Hope this helps!

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3 years ago
1. Slove the system of equations, first by graphing, and then algebraically. (8 points) y=x-2 and y=-2x+7
Anton [14]

The solution of the equation is x=3 and y=1

Explanation:

The equations are y=x-2 and y=-2 x+7

First we shall solve the equation graphically.

The image of the graph is attached below.

This contains the solution to the system of equations.

The equations y=x-2 and y=-2 x+7 are plotted on the graph.

The intersection of these two equations are the solutions of the system of equations.

Thus, the intersection of the two equations are x=3 and y=1

Now, we shall solve the equation algebraically.

Let us solve the equation using substitution method.

Let us substitute y=x-2 in y=-2 x+7, we get,

x-2=-2x+7

Adding both sides by 2x, we have,

3x-2=7

Adding both sides by 2, we get,

3x=9

Dividing both sides by 3,

x=3

Thus, the value of x is 3.

Substituting x=3 in y=x-2, we get,

y=3-2\\y=1

Thus, the value of y is 1.

Hence, The solution of the equation is x=3 and y=1

4 0
3 years ago
During a cold spell in January 1989, Homer, Alaska, recorded
Oksanka [162]
I think the answer is -48°F
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One cow is fed a growth hormone and another cow is not. After a year, both cows are weighed.
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7 0
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Read 2 more answers
A mechanic charged $220.28 to repair a car. The price included charges for 3 hours of labor and $126.53 for parts. How much does
Assoli18 [71]

Answer:

$31.25

Step-by-step explanation:

Let's set up an equation.

$220. 28 - total

$126.53 - cost for parts

3 - # of hours

? - price per hour

3h + $126.53 = $220.28

Subtract $126.53 from both sides.

3h = $93.75

Divide by 3.

h = $31.25

The mechanic charges $31.25 per hour for labor.

Hope that helps.

6 0
3 years ago
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