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sasho [114]
3 years ago
12

Assume that x is a char variable has been declared and already given a value. Write an expression whose value is true if and onl

y if x is a upper-case letter.
Mathematics
1 answer:
Lorico [155]3 years ago
4 0

Answer:

bool b = isupper(x);

Step-by-step explanation:

I have written the expression for a char variable x.The isupper(x) will return true if the character x is upper case and false if the character x is lower case.

I have stored the returned value to a bool variable b .So the value of variable b will be true only when the x is in uppercase and false when b is lower case.

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It's been a while since I've taken a math class and I'm stressed please help me out. The question is circled.
brilliants [131]
-3/2x

The rational expression would not be defined only when the denominator is divided by 0

That is:

2x =0

x = 0/2

x =0

Hence it would not be defined when x = 0.

Hope this helps.
8 0
3 years ago
Read 2 more answers
2x +4 (3 - 2x) = 3(2x + 2)/6 + 4<br> from my math book
liberstina [14]

Answer:

x = 1

Step-by-step explanation:

2x +4 (3 - 2x) = 3(2x + 2)/6 + 4

2x+12-8x = (6x+6)/6 +4

-6x + 12 = x+1+4

12-5 = 7x

7x = 7

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Hope this helps!

4 0
2 years ago
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The drama department was considering two options for the winter production. They used the following equations to represent the p
stellarik [79]

Answer:

Graph D is correct

Step-by-step explanation:

This is complicated because the scales on the x-axis and y-axis are not the same. Graph D has the correct y-intercepts and the correct slopes. The solution is x = 500, where the two lines intersect.

8 0
3 years ago
What's 80 + 80 I forgot 0/ease help me ;)​
Fed [463]

Answer:

160 hehe

your welcome :)

7 0
3 years ago
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The amount of gas that a helicopter uses is directly proportional to the number of hours spent flying. The helicopter flies for
dezoksy [38]

Answer: 44 gallons

Step-by-step explanation:

Using proportion,

33 gallons = 3hours

X = 4hours

Cross multiply

3 × X = 33 × 4

3X = 132

Divide bothside by 3

3x/3 =132/3

X = 44

Therefore the helicopter uses 44gallons for 4 hours.

3 0
3 years ago
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