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balu736 [363]
3 years ago
13

What is the algebraic expression for three more cookies than are in the jar

Mathematics
1 answer:
Afina-wow [57]3 years ago
3 0

Answer:

x+3

Step-by-step explanation:

Since the number of cookies in the jar could be anything we'll use a variable to represent it, x.  so three more than x is what?

Well, what's thee more than 5? 8, so you add 3.

So x+3

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The lengths of two sides of a right triangle are 12 inches and 15 inches. What is the difference between the two possible length
ipn [44]
The problem is using a right triangle, it means we can use the Pythagorean theorem in solving the problem. We have two possible measurements for the third side.
First length, when the third side is the hypotenuse:
x ² = 15² + 12²
x = 19.21

Second possible length, when the third leg is either an adjacent or base side:
15² = x² + 12² 
x = 9

Therefore, the difference between the two possible answers are shown below:
Difference = 19.21 - 9 = 10.21
5 0
3 years ago
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JulijaS [17]

Answer:

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Step-by-step explanation:

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4 years ago
5/9(g + 18) = 1/6g +3​
dangina [55]

For this case we have the following equation:

\frac {5} {9} (g + 18) = \frac {1} {6} g + 3

Applying distributive property on the left side of the equation we have:

\frac {5} {9} g + \frac {5 * 18} {9} = \frac {1} {6} g + 3\\\frac {5} {9} g + \frac {90} {9} = \frac {1} {6} g + 3\\\frac {5} {9} g + 10 = \frac {1} {6} g + 3

Subtracting \frac {1} {6} g to both sides of the equation:

\frac {5} {9} g- \frac {1} {6} + 10 = 3\\\frac {6 * 5-9 * 1} {9 * 6} g + 10 = 3\\\frac {30-9} {54} g + 10 = 3\\\frac {21} {54} g + 10 = 3\\\frac {7} {18} g + 10 = 3

Subtracting 10 to both sides of the equation:

\frac {7} {18} g = 3-10\\\frac {7} {18} g = -7

Multiplying by 18 on both sides:

7g = -7 * 18\\7g = -126

Dividing between 7 on both sides:

g = \frac {-126} {7}\\g = -18

Thus, the value of g is -18.

ANswer:

g = -18

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Answer:

the volume of the square pyramid is 750 cm³

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3 years ago
Analysis Hardy’s work to determine if he is correct if he’s incorrect what is his error?
kondaur [170]

Answer:

No. Hardy should have multiplied by the scale factor to find the missing length.

Step-by-step explanation:

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3 years ago
Read 2 more answers
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