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Paul [167]
3 years ago
11

Use a truth table to determine wether the symbolic form of the argument is valid or invalid :

Mathematics
1 answer:
olya-2409 [2.1K]3 years ago
8 0
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Joy wants to buy strawberries and raspberries to bring to a party. Strawberries cost $1.60 per pound and raspberries cost $1.75
zimovet [89]

Answer: 1.60x + 1.75y is less than or equal to 10

Step-by-step explanation:

Since the strawberries cost $1.60 per pound, it would be x pounds times $1.60 for the total cost of strawberries. Since the raspberries cost $1.75 per pound, it would be y pounds times $1.75 for the total cost of the raspberries. The total cost of both, or 1.60x + 1.75y, must be equal to or less than 10 because she cannot spend over 10 dollars.

5 0
3 years ago
8/5 ( 2x + 13 ) - 3 = 22
Alona [7]

Answer:

x =  \frac{21}{16} = 1 5/16

[/tex] 1 \frac{5}{16}[/tex]

Step-by-step explanation:

\frac{8}{5} (2x + 13) - 3 = 22

Expand

\frac{16}{5} x +  \frac{104}{5}  - 3 = 22 \\  \frac{16}{5} x +  \frac{89}{5}  = 2

Collect like terms and simplify

\frac{16}{5} x = 22 -  \frac{89}{5}  \\  \frac{16}{5} x =  \frac{21}{5}

Cross Multiply

80x = 105

Divide both sides of the equation by 80

\frac{80x}{80}  =  \frac{105}{80}  \\ x =  \frac{21}{16}

5 0
3 years ago
war 1 Luz has pound of cherries. She divides the 3 dag int cherries equally into 2 bags. What fraction of pound of cherries is i
irina [24]

Step-by-step explanation:

is the number of unit squares that cover surface of a figure.

8 0
3 years ago
Abbie spent 5/8 of her money and saved the rest. If she spent $45. how much money did she have at first?
shutvik [7]
She had 80 dollars at first.80/80 equals to 8/8 and that equals to 64 dollars. 5/8 equals to 45
8 0
3 years ago
Read 2 more answers
F(x) = 2.5e-0.04x and g(x) = 1.2 + 0.2x.
Scilla [17]

f(x) - g(x)

2.5e - 0.04x - 1.2 + 0.2

0.16x + 5.59570457

7 0
2 years ago
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