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azamat
2 years ago
10

A cookie recipe calls for 31/4 cups of flour. The recipient makes 3 dozen cookies. how much flour needed to make 144 cookies

Mathematics
1 answer:
velikii [3]2 years ago
7 0

Answer:

13 cups

Step-by-step explanation:

If you need 3 1/4 cups to make a batch of 3 dozen, it will take 4 TIMES as much flour to make 12 dozen. 144 is 12 dozen. So you are making 4 batches.

3 1/4 × 4 = 13

Or if you want to use a calculator, (1/4 is a quarter is .25, like money, right?)

3.25 × 4 = 13

A double recipe gives you 6 dozen and so you need 6 1/2 cups of flour, double that and you get the 13 cups.

Or just add:

3 1/4+3 1/4+3 1/4+3 1/4 =

3+3+3+3 +

1/4+1/4+1/4+1/4 =

13

That's four different ways to solve this problem, pick whichever one makes the most sense to you.

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2 years ago
Solve the equation.<br><br>5/7=10/x+2​
skelet666 [1.2K]

Answer:

x=-\frac{70}{9}

Step-by-step explanation:

Isolate the variable by doing operations to both sides of the equation.  

The work is shown below:

\frac{5}{7} =\frac{10}{x} +2\\\\\frac{5}{7} - 2=\frac{10}{x} +2 - 2\\\\-\frac{9}{7} = \frac{10}{x}\\\\ -\frac{9}{7}*x = \frac{10}{x}*x\\\\ -\frac{9}{7}x = 10\\\\ -\frac{9}{7}x * (-\frac{7}{9})= 10 * (-\frac{7}{9}) \\\\x=-\frac{70}{9}

6 0
3 years ago
Read 2 more answers
Find S18 for geometric series given a5=-6 and a2= -48
Ganezh [65]

an = a1r^(n-1)

a5 = a1 r^(5-1)

-6 =a1 r^4


a2 = a1 r^(2-1)

-48 = a1 r


divide

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----------------    yields   1/8 = r^3      take the cube root  or each side

-48 = a1 r                     1/2 = r


an = a1r^(n-1)

an = a1 (1/2)^ (n-1)

-48 = a1 (1/2) ^1

divide by 1/2

-96 = a1


an = -96 (1/2)^ (n-1)


the sum

Sn = a1[(r^n - 1/(r - 1)]

S18 = -96 [( (1/2) ^17 -1/ (1/2 -1)]

       =-96 [ (1/2) ^ 17 -1 /-1/2]

      = 192 * [-131071/131072]

 approximately -192

     

       

     

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4 years ago
Let y- 2t+ 5 be a linear function representing the distance from home for an ant tminutes after starting out from a location nea
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The 5 represents the starting distance from home. In other words, when t = 0, the value of y is y = 5. Replacing t with 0 leads to this y value. This is the y intercept. So at time 0 minutes, the ant is 5 units from home. Replace "units" with whatever units you happen to be using.

8 0
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