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Stells [14]
3 years ago
6

Which of the following are not valid assignment statements.a. total = 9;b. 72 = amount;c. profit = 129d. letter = 'W';

Mathematics
1 answer:
timama [110]3 years ago
6 0

Answer:

b. 72 = amount; is not valid

Step-by-step explanation:

The variable that receives the value(s) must always be on the left side of the equal sign.

It is a convention that makes the sentence more readable and easier to understand. For example, option "a" (total = 9) would be read as: "take variable called 'total' and make its value equal to 9".

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Simplify the expression k^14/k^7
VARVARA [1.3K]
\bf \left.\qquad \qquad \right.\textit{negative exponents}\\\\
a^{-{ n}} \implies \cfrac{1}{a^{ n}}
\qquad \qquad
\cfrac{1}{a^{ n}}\implies a^{-{ n}}
\qquad \qquad 
a^{{{  n}}}\implies \cfrac{1}{a^{-{{  n}}}}\\\\
-------------------------------\\\\
\cfrac{k^{14}}{k^7}\implies k^{14}k^{-7}\implies k^{14-7}\implies k^7
4 0
4 years ago
Need help please there is the Question
Levart [38]
1 and 1/6 if the man had six horses it would be one because 6 1/6'a make one
5 0
3 years ago
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Nancy’s nut store sells peanuts for $2 per pound and cashews for $10 per pound. The store sells a peanut - cashew mixture for $7
Gelneren [198K]

9514 1404 393

Answer:

  • 25 pounds cashews
  • 15 pounds peanuts

Step-by-step explanation:

Let c represent the number of pounds of cashews in the mix. Then 40-c is the number of pounds of peanuts. The total cost of the mix is ...

  10c +2(40 -c) = 7(40)

  8c +80 = 280 . . . . simplify

  c +10 = 35 . . . . . . . divide by 8

  c = 25 . . . . . . . . . . subtract 10

  40-c = 40-25 = 15 . . . . pounds of peanuts

25 pounds of cashews and 15 pounds of peanuts should be used in the mix.

5 0
3 years ago
T midnight, a candle was lit. At 15 minutes past midnight, the candle was 4 inches tall, and you notice that it burns at a rate
anyanavicka [17]

Answer:

a)   t-4 = 3 (i - 1/4h) =  h = 3i - 3 3/4h  

= t = -0.75

= h = 4  

b) 3.30am = 1 inch.

Step-by-step explanation:

a)   formula for point slope form = y - y1 = m(x-x1)

a) t-4 = 3(i - 1/4h)  converts to  t-4   = 3i - 3/4h  = t = 3i- 3 3/4

x = - 0.75 y = 4  =     t= -0.75 and h = 4

b) 12.15am = 4 inches

1.15am = 3.25 inches

2.15am = 2.5 inches

3.15am = 1.75inches

3.30 = 1 inches

3.15 + 15mins = 1 inch

6 0
3 years ago
How do you do this?i need help
DiKsa [7]

Perimeter is the border around something...you add all the sides. So you you'll add 5+5=10 , 8+8=16 , and then you add 10+16=26. The answer is 26.

4 0
3 years ago
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