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alisha [4.7K]
3 years ago
9

What is 5 percent of 175

Mathematics
2 answers:
snow_lady [41]3 years ago
8 0
0.5•175=87.5 This is you answer, do you understand?
Tju [1.3M]3 years ago
3 0
8.75

i think thats the answer
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6x+2y=18 solve for y
Alchen [17]
6x + 2y = 18
2y = -6x + 18
y = -3x + 9
3 0
3 years ago
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Let x=number of cds and y=number of dvds
Elis [28]
X + y = 40.....multiply by -4
4x + 6y = 180
-------------------
-4x - 4y = -160 (result of multiplying by -4)
4x + 6y = 180
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2y = 20
y = 20/2
y = 10 <===

x = 30

6 0
3 years ago
If the sin 90° = 1, then the cos 0° = _____. (1 point)
Cloud [144]
<span>sin 90° = 1
</span>
cos 0° = 1

There's a simple formula : <em>sin θ = cos (90°- θ)</em> or <em>cos θ = sin (90°- θ) </em>

So : cos 0° = sin (90° - 0°) = sin 90° = 1


7 0
3 years ago
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Which value, when placed in the box, would result in a system of equations with infinitely many solutions?
Fantom [35]

Answer:

<h2>If we placed the number 10 in the box, we obtain a system of equations with infinitely many solutions.</h2>

Step-by-step explanation:

The given system is

y=2x-5\\2y-4x=a

<em>It's important to know that a system with infinitely many solutions, it's a system that has the same equation</em>, that is, both equation represent the same line, or as some textbooks say, one line is on the other one, so they have inifinitely common solutions.

Having said that, the first thing we should do here is reorder the system

y=2x-5\\2y=4x+a

This way, you can compare better both equations. If you look closer, observe that the second equation is double, that is, it can be obtained by multiplying a factor of 2 to the first one, that is

y=2x-5\\2y=4x-10

So, by multiplying such factor, we obtaine the second equation. Observe that a must be equal to 10, that way the system would have infinitely solutions.

Therefore, the answer is 10.

4 0
3 years ago
Can someone answer my questions please ._.
tekilochka [14]

Answer:

wheres the question?

Step-by-step explanation:

6 0
2 years ago
Read 2 more answers
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