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Oksana_A [137]
3 years ago
12

Evaluate the expression. 4^2+5⋅3^2−4^2÷2^3

Mathematics
1 answer:
koban [17]3 years ago
6 0

Answer:

59

Step-by-step explanation:

pemdas

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3 years ago
The length of the base of an isosceles triangle is x. The length of a leg is 2x-6. The perimeter of the triangle is 38. Find X
Norma-Jean [14]

Answer:

x = 10

Step-by-step explanation:

Perimeter of a triangle = the sum of the three sides.    

In an isosceles the legs are equal (2x - 6) and the base is x

Perimeter = (x) + (2x - 6) + (2x - 6)

          38  = 5x - 12

        38 + 12 = 5x

            50 =   5x

              \frac{50}{5} = \frac{5x}{5}

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Sam started a dog-walking business. He charges $5 for each dog for a thirty-minute walk. How much dor
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Answer: \$10,\ \$5

Step-by-step explanation:

(a) Given

Sam charge $5 for each dog for a thirty minute walk

For an hour which is double the thirty minutes, it must be double of the same charge.

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(b)Given

With $20, Christie sells 100 cups of lemonade with a quarter per cup charge

For 100 cup, she generate a revenue of

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So, she earns 25-20=\$5 that is , her profit is \$5

7 0
3 years ago
Are the ratios 14:18 and 7:9 equivalent
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Answer:

Yes

Step-by-step explanation:

14/18 equals 7/9

Dividing by two on the first ratio makes:

7/9 equals 7/9

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3 years ago
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