What does 40°30' mean in math?

Mathematics

1 answer:

bija089 [108]2 years ago

4 0

Nothing! nothing nothing at all for real

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S - 1/3 equals 4/9 so S equals what?

bekas [8.4K]

$s - \frac{1}{3} = \frac{4}{9} \\ \\ s = \frac{4}{9} + \frac{1}{3} \\ \\ s = \frac{7}{9} \\ \\ Answer: \fbox {s = 7/9} \ or \ \fbox {s = 0.7778}$

5 0

2 years ago

Justine charges $25 to wash a dog. She washed 5 dogs on Saturday and then some more on Sunday. She made $325 for the weekend. Ho

Marrrta [24]

Answer

• A. Equation: 25(5 + x) = 325

• B. Answer: 8 dogs

Explanation

Given

• Charge to wash a dog: $25.

• She washed 5 dogs on Saturday and then some more on Sunday.

• She made $325 for the weekend.

Procedure

She charges $25 per wash, she made $325 for the weekend, and we know that on Saturday she washed 5 dogs, but we don't know how many she washed on Sunday. Thus, we have to build an equation in which the number of dogs washed on Sunday is represented by x (as we do not know the real number).

Considering that the total money made has to be equal to the multiplication of the charge times the dogs washed, the equation is: