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-BARSIC- [3]
2 years ago
11

How do I solve 321-207=342

Mathematics
1 answer:
FrozenT [24]2 years ago
6 0

Step-by-step explanation:

I think there is something missing in the question

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If h(x)=3^x-7 find h(4) show all work<br><img src="https://tex.z-dn.net/?f=h%28x%29%20%3D%20%7B3%7D%5E%7Bx%7D%20%20-%207" id="Te
Svetach [21]
Just substitute 4 for x in the given equation:

h(4) = 3^4 - 7 = 81 - 7 = 74 (answer)
3 0
3 years ago
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Ramiro earns $20 per hour during the week and $30 per hour for overtime on the weekends. One week Ramiro earned a total of $650.
nika2105 [10]

Answer:

Week=25 Hours

Weekend= 5 Hours

Step-by-step explanation:

So we need to use the info they gave us and create two equations. Firstly we know how much he gets paid per hour during the week (x) and how much he gets paid on the weekend (y).

$20x+$30y=$650

We get this because we know the combined rates he is paid times the hours should add up to the amount he earned.

The next equation will be made off of the information that he worked 5 times as many hours during the week as on the weekend. This tells us that we will take the weekend hours (y) and multiply them by 5 in order to get the week hours (x).

x=5y      Now, since we have one variable by itself, we can plug it in for x in the first equation.

20(5y)+30y=650    Our first step here is to distribute the 20 to the 5y in order to eliminate the parenthesis.

100y+30y=650    Next add the like terms together (100y+30y).

Now all we have to do to find y is divide by 130 on both sides to get y alone.

130y=650  

________

130     130

y=5             Now to solve for x we just plug our y value into one of the equations above. I'm going to use the second equation.

x=5(5)

x=25      

3 0
2 years ago
Select the values of x that make the inequality x &lt; -2 true.
ANTONII [103]

Answer:

A and B

Step-by-step explanation:

-3 and -2 are the only values less than or = to -2

the rest are greater than -2

8 0
3 years ago
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A right triangle has a base equal to 13 inches and a height equal to 18 inches. Find the area of the trlangle.
never [62]

Answer:

117

Step-by-step explanation:

The formula for a triangle is base times hight divided by two. So, 13 x 18 = 234, and 234/2 = 117

3 0
3 years ago
Which rays are part of line BE?<br><br> AC and AE<br> AB and AE<br> AC and AB<br> AB and
rosijanka [135]

We are given a diagram with different rays and lines.

Note: A line can be extend more and more upto infinitely length from both of the ends but a ray can be extend from from end only.

We need to find the rays for the line BE.

We can see BE line has a point A in between line.

So, we can name the rays formed with end point A as AB and AE.

<h3>Therefore,  AB and AE rays are part of line BE.</h3><h3>So, the correct option is 2nd option :</h3><h3>AB and AE.</h3>
4 0
3 years ago
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