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iogann1982 [59]
3 years ago
13

Tameka bought three dozen donuts to take into work. There are 12 cake donuts, 6 glazed donuts, 8 chocolate donuts, and 10 bluebe

rry donuts. If she randomly gives donuts to 12 of her coworkers, which of the following is the best prediction of the number of coworkers that will receive a cake donut? A. 2 B. 6 C.4 D.3. help me 
Mathematics
1 answer:
____ [38]3 years ago
5 0
The correct answer is letter C.

The reason is because there are 12 cake donuts out of the 36 total.  This is a simple ratio of 1 to 3.  This means one out of every 3 people would get a cake donut.  If there are 12 people, this is 4 groups of 3, so one person from each group of 3 is 4 people.


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A system of equations is given below. For what value(s) of x is f(x)=g(x) ?
NARA [144]

\large{f(x) = g(x)}   \\  \large{ {x}^{2}  + 3x = x + 3}

Since we are solving the quadratic equation because the highest degree in the equation is second. We arrange in the form of ax²+bx+c = 0.

\large{  {x}^{2}  + 3x - x - 3 = 0}

Combine like terms.

\large{ {x}^{2}  + 2x - 3 = 0}

Solve the equation by factoring.

\large{(x  + 3)(x - 1) = 0} \\  \large{x =  - 3,1}

Hence the values of x that make f(x) = g(x) are -3 and 1.

Answer

  • x = -3,1

Let me know if you have any doubts!

3 0
3 years ago
Order from least to greatest: The square root of 64, 8.8, 26/3, 8 2/7
Eddi Din [679]

Square root 64 = 8

26/3 = 8 2/3 = 8.66666

8 2/7 = 8. 2857

So the order is sqrt(64) 8 2/7 26/3 8.8 <<<<< Answer

7 0
3 years ago
Jacob is cutting yarn for a craft project. He needs pieces of yarn that are 12 inches long, but he only has a ruler marked with
lara [203]

Answer:

30.48 centimeters

Step-by-step explanation:

We know that:

2.54 cm = 1 inch

To find how many centimeters are in 12 inches, you should:

2.54 x 12 = 30.48

So Jacob’s pieces of yarn should be 30.48 centimeters long.

Hope this helps!

5 0
3 years ago
Read 2 more answers
Tim drives at an average speed of 80 km per hour for 3 hours and 45 minutes. work out how may kilometers Tim drives.
lara31 [8.8K]
Hey there!


Tim drives 300 kilometers.


Work: 80 x 3 = 240
Then, 45 minutes is 3/4 of an hour, so if you were to do 3/4 of 80  it is 60
Now, add 240 + 60 = 300

Hope I was able to help!
6 0
3 years ago
Read 2 more answers
Marsha orders a secret menu item and gives the cashier $20 to pay for 3 large pretzels The cashier gives her $5.03 in change. Ea
vredina [299]

Answer:

Each pretzel is $4.99

Step-by-step explanation:

20 - 5.03 = 3x

14.97 = 3x

4.99 = x

4 0
3 years ago
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