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allochka39001 [22]
3 years ago
7

What is an equivalent expression to 48x - 30?

Mathematics
1 answer:
mars1129 [50]3 years ago
3 0
An equivalent expression would be 6(8x - 5)
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In how many ways can a committee of 4 students be formed from a pool of 6 students
Marta_Voda [28]
I am pretty sure you would just multiply 6×4 and it would come out to 24 different ways
5 0
3 years ago
5. The regular price of a Space Invader game is $52, but it is on sale. The discount is $13. What is percent discount is this?​
pantera1 [17]

Answer:

Discount Percentage is 25%

Step-by-step explanation:

Original Price: $52

Discount Percentage: -25%

Discount: -$13

Final Price: = $39

4 0
3 years ago
You are in charge of the Annual Powder Puff football game. You designed a t-shirt to sell during the event. A company charges $7
vekshin1
We're looking for C(h), where h is the hundreds of shirts.  The fact that they cost "$500 for each additional 100 t-shirt" tells us the slope is 500.  Knowing that 1 hundred costs 750, we could use point-slope at this point: (C - 750)/(h - 1) = 500C - 750 = 500h - 500C(h) = 500h + 250 We can check that C(1) = 750 and C(2) = 1250, as we expect.  I'll leave it to you to evaluate C(5).
7 0
3 years ago
Using a sheet of graph paper, solve the following system of equations graphically. Be sure to show any work, use a straight edge
madam [21]

Answer:

<h2> (-1,1)</h2>

Step-by-step explanation:

Given system is

\left \{ {{x+y=0} \atop {x-y+2=0}} \right.

If we graph, the solution would be the interception point between these two lines, because each linear equation represents a line. The lines are attached.

In the graph, you can observe that the solution is the point (-1,1), that is x = -1 and y = 1.

Now, if we want to solve this system by another method, we can just sum both equations and solve for <em>x</em>

\left \{ {{x+y=0} \atop {x-y+2=0}} \right.

2x+2=0\\x=\frac{-2}{2}=-1

Then, we replace this value in one equation to find the other value

x+y=0\\-1+y=0\\y=1

Therefore, the solution is (-1,1)

4 0
3 years ago
What is the measure of an angle if the measures of its two adjacent supplementary angles add up to 100°?
Sindrei [870]
<h3>Answer:  130</h3>

Explanation:

Let x be the unknown angle we want to find.

Let y be adjacent and supplementary to x. This means x+y = 180

Let z also be adjacent and supplementary to x. So x+z = 180 also

Subtracting the two equations leads to y-z = 0 and y = z. So effectively we've proven the vertical angle theorem.

Since the supplementary angles to x add to 100, we know that y+z = 100. Plug in y = z and solve for z

y+z = 100

z+z = 100

2z = 100

z = 100/2

z = 50

Therefore,

x+z = 180

x+50 = 180

x = 180-50

x = 130

8 0
3 years ago
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