All categories

2 years ago

Please help me with this I would give you 50 points.

Mathematics

1 answer:

kondor19780726 [428]2 years ago

7 0

Answer:

Refer to image below:

Step-by-step explanation:

You might be interested in

The East Bay Deli, makes 12.38 pounds of pasta salad each day. West Bay Deli makes three times that amount each day. How many co

drek231 [11]

The East Bay Deli, makes 12.38 pounds of pasta salad each day. West Bay Deli makes three times that amount each day. How many combined pounds of pasta salad is made per week between the two delis? Find a fourth of their combined weekly production of pasta salad.
x=12.38*7= 86.66 pounds per week
y=3x*7 = 259.98 pounds per week
x+y=86.66+259.98= 346.64 pounds per week assuming a week has 7 days
346.64/4= 86.66

5 0

3 years ago

Karen runs 6 miles in 55 minutes. At the same rate, how many miles would she run in 44 minutes?

Anna007 [38]

Answer:

x = 4.363636...

Step-by-step explanation:

Set up a ratio

6 miles : 55 minutes

x miles : 40 minutes

Cross Multiply

55x = 40*6

55x = 240

55x / 55 = 240 / 55

x = 4.363636...

8 0

3 years ago

Can the sides of a triangle have lengths 3.5, 10.9, and 14.4?

andrew11 [14]

Answer:

Step-by-step explanation:

A triangle can NOT have those lengths because any side of a triangle has to have a length greater than the sum of the other two sides. In this case, 14.4, one of the sides, is not greater than the sum of the other two sides (which is also 14.4).

Hope this helps :)

4 0

3 years ago

Solve the following inequality for t. 12.3+t<5.6

luda_lava [24]

The answer in inequality form is t< -6.7

4 0

3 years ago

Read 2 more answers

Mr. Acosta, a sociologist, is doing a study to see if there is a relationship between the age of a young adult (18 to 35 years o

Alik [6]

Answer:

There is a relationship between the age of a young adult and the type of movie preferred.

Step-by-step explanation:

In this case we need to test whether there is a significance relationship between the age of a young adult and the type of movie preferred.

The hypothesis can be defined as:

H₀: Age of a young adult and movie preference are independent.

Hₐ: Age of a young adult and movie preference are not independent.

The test statistic is given as follows:

$\chi^{2}=\sum\limits^{n}_{i=1}{\frac{(O_{i}-E_{i})^{2}}{E_{i}}}$

Consider the table below.

The formula to compute the expected frequencies is:

$E_{i}=\frac{\text{Row Total}\times \text{Column Total}}{\text{Total}}$

The Chi-square test statistic value is:

$\chi^{2}=\sum\limits^{n}_{i=1}{\frac{(O_{i}-E_{i})^{2}}{E_{i}}}=2.6013$

The significance level of the test is, α = 0.05.

The degrees of freedom of the test is,

df = (r - 1)(c - 1)

= (3 - 1)(3 - 1)

= 2 × 2

= 4

Compute the p-value as follows:

p-value = 0.6266

*Use a Chi square table.

As the p-value is more than the significance level the null hypothesis was failed to be rejected.

Thus, concluding that there is a relationship between the age of a young adult (18 to 35 years old) and the type of movie preferred.

5 0

3 years ago