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Elina [12.6K]
2 years ago
6

maria started a business selling cupcakes. For every 12 cupcakes, she needs 2 cups of icing. find the unit rate of cupcakes per

cups of icing?
Mathematics
2 answers:
Dmitry [639]2 years ago
6 0

Answer: don't know sorry

Step-by-step explanation:

castortr0y [4]2 years ago
3 0

For every 12cupcakes she needs 2cups of icing.

She needs 2cups of icing for 12cupcakes

She needs for 1 cups of icing:-

\\ \sf\longmapsto 12/2=6cupcakes

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3 years ago
Look at pic 10 pts will mark brainilest
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Step-by-step explanation:

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HELP :6 lb 5oz - 4lb 12oz ( there are 16 ounces in one pound) A.2lb 7oz B.1lb 7oz C1lb 9oz.
stiks02 [169]

Answer:

C. 1 lb. 9 oz.

Step-by-step explanation:


5 0
2 years ago
The first four terms of a sequence are shown.
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4 0
3 years ago
The marketing manager of a large supermarket chain would like to use shelf space to predict the sales of pet food. For a random
Pavlova-9 [17]

Answer:

m=\frac{27.75}{375}=0.074

Nowe we can find the means for x and y like this:

\bar x= \frac{\sum x_i}{n}=\frac{150}{12}=12.5

\bar y= \frac{\sum y_i}{n}=\frac{28.5}{12}=2.375

And we can find the intercept using this:

b=\bar y -m \bar x=2.375-(0.074*12.5)=1.45

So the line would be given by:

y=0.074 x +1.45

C. = 1.45 + 0.074x

Step-by-step explanation:

The data given is:

x: 5,5,510,10,10, 15,15,15, 20,20,20

y: 1.6,2.2,1.4, 1.9, 2.4,2.6, 2.3,2.7, 2.8,2.6, 2.9, 3.1

For this case we need to calculate the slope with the following formula:

m=\frac{S_{xy}}{S_{xx}}

Where:

S_{xy}=\sum_{i=1}^n x_i y_i -\frac{(\sum_{i=1}^n x_i)(\sum_{i=1}^n y_i)}{n}

S_{xx}=\sum_{i=1}^n x^2_i -\frac{(\sum_{i=1}^n x_i)^2}{n}

So we can find the sums like this:

\sum_{i=1}^n x_i = 150

\sum_{i=1}^n y_i =28.5

\sum_{i=1}^n x^2_i =2250

\sum_{i=1}^n y^2_i =70.69

\sum_{i=1}^n x_i y_i =384

With these we can find the sums:

S_{xx}=\sum_{i=1}^n x^2_i -\frac{(\sum_{i=1}^n x_i)^2}{n}=2250-\frac{150^2}{12}=375

S_{xy}=\sum_{i=1}^n x_i y_i -\frac{(\sum_{i=1}^n x_i)(\sum_{i=1}^n y_i)}{n}=384-\frac{150*28.5}{12}=27.75

And the slope would be:

m=\frac{27.75}{375}=0.074

Nowe we can find the means for x and y like this:

\bar x= \frac{\sum x_i}{n}=\frac{150}{12}=12.5

\bar y= \frac{\sum y_i}{n}=\frac{28.5}{12}=2.375

And we can find the intercept using this:

b=\bar y -m \bar x=2.375-(0.074*12.5)=1.45

So the line would be given by:

y=0.074 x +1.45

C. = 1.45 + 0.074x

8 0
3 years ago
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