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3 years ago

At the pie eating contest, Max ate 2⁄5 of a pie and Jen ate 6⁄8 of a pie. How many pies did they eat all together?

2 answers:

6 0

I think you have to find a common multiple for the denominators 5 and 8 which would be 40. so it would be 6/40 and 2/40. then I think, you would add or multiple, depending on the situation, 6 and 2

LUCKY_DIMON [66]3 years ago

4 0

They ate one whole pie

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Solve the equation for x. For each step, describe the operation and/or property used.

Phoenix [80]

Answer:

x = 5

Step-by-step explanation:

Start by distributing the 5 to remove parentheses. To do this multiply the numbers and variable in the parentheses by 5.

10x - 20 - 11 = 4 + 3x

Next. you want to get the variables to one side. This is done by subtracting 3x from both sides.

7x - 20 - 11 = 4

Now solve the -20 - 11.

7x - 31 = 4

You need to have the variable all by itself. To do this, first add -31 to both sides.

7x = 35

Finally divide by 7.

x = 5

Hope this helped.

8 0

3 years ago

Find the area of a square with sides of length 6.5 inches

hammer [34]

Answer:

A=42.25

Step-by-step explanation:

6.5^2

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3 years ago

A fruit seller bought 75 mangoes and 125 apples from vendor. Find the ratio mangoes to apples bought.

vladimir1956 [14]

I am pretty sure the answer is 3:5

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8 0

3 years ago

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The length of a rectangle is 2 centimeters less than its width. What are the dimensions of the rectangle if its area is 195 squa

JulijaS [17]

Answer:

Length=15 cm

Width=13 cm

Step-by-step explanation:

-Let x be the width dimension, the length will be (x-2)

-The area of a rectangle is given by the formula;

$A=lw$

#We substitute the length and width values and equate to the given area:

$A=lw\\195=x\times (x-2)\\\\195=x^2-2x$

#Rewrite as a quadratic and solve for x:

$195=x^2-2x\\\\x^2-2x-195=0\\\\\# Use \ the \ Quadratic\ formula \ to\ solve:\\\\x_1,x_2=\frac{-b\pm\sqrt{b^2-4ac}}{2a}\\\\\therefore x_1,x_2=\frac{-(-2)\pm\sqrt{(-2)^2-4\times 1\times(-195)}}{2\times 1}\\\\\\x_1=15, x_2=-13$

Since dimensions are always positve, the x value is 15

x=15

x=13

Hence, the dimensions of the rectangle are length=15 cm and width=13 cm

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3 years ago

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Aleksandr-060686 [28]

Answer:

Step-by-step explanation:

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3 years ago