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horrorfan [7]
3 years ago
6

Simplify: 9(1 - r) + 3r

Mathematics
2 answers:
Butoxors [25]3 years ago
4 0

Answer:

hdudhryhrgrhdidbf7hs6he8hs6jw9wg5gssi

MA_775_DIABLO [31]3 years ago
4 0

Step-by-step explanation:

9 - 9r + 3r

9 - 6r

For finding the value of r

9 = - 6r

9/ - 6 = r

3 / - 2 = r

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The members of a cooking club are making cakes, which they will sell at a street fair for $8 apiece. It cost $30 for a booth at
Olin [163]

They need to sell 5 pieces to cover their expenditures (have a profit of zero).

<h3>How many cakes will they have sold?</h3>

We know that the costs are:

  • $30 for the booth at the fair.
  • $2 for each piece of cake they sell.

And the revenue is:

  • $8 for each piece of cake.

So, the profit (the difference between the revenue and the cost) for selling x pieces is:

p(x) = $8*x - $2*x - $30

p(x) = $6*x - $30

We want to find the value of x such that p(x) = 0, then:

0 =  $6*x - $30

x = $30/$6 = 5

They need to sell 5 pieces to cover their expenditures (have a profit of zero).

If you want to learn more about profit:

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5 0
2 years ago
I need help to find W =
Anika [276]

Answer:

120

Step-by-step explanation:

Since the figures are similar the angles are the same

<A = <F

<B = <E

<C = <C

<D = <G

We know <G = 120 so angle D = 120

W = <D = 120

5 0
3 years ago
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Choose the equation in slope-intercept form of a line with the following qualities:
earnstyle [38]

Answer:

C. y=-4x-10

Step-by-step explanation:

The equation for a line in slope-intercept form is:

y=mx + b

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b: y-intercept

x,y: x and y coordinate pair

So the answer would be...

y=-4x-10

5 0
2 years ago
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PLS HELP WILL GIVE BRAINLEST AND THANKS!!!!!!!!!!!
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Answer:  2 1/4 more flour for 9 servings

Step-by-step explanation: (a) how many total cups of flour are there per serving? show your work

1 1/2÷6= 3/2 x 1/6 = 3/12= 1/4 cups of flour per serving

(b) how many total cups of sugar (white and brown) are there per serving?show your work

3/4 + 1/3 = 9/12 + 4/12= 13/12= 1 1/12 total cups of sugar

13/12 ÷ 6/1 = 13/12 x1/6 = 13/72 per serving

(c) supposed you modify the recipe so that it makes 9 servings. How much more flour do you need for the modified recipe than you need for the original recipe?Show your work/

1/4 x 9 = 9/4 = 2 1/4 more flour for 9 servings.

8 0
3 years ago
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Can someone help me understand squares,cubes,and roots with example problems please
erastova [34]

when someone says a number squared or cubed, or to the certain power, it means how many times you multiply the base number by itself that many times, for example

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