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nataly862011 [7]
3 years ago
10

1. Sarah a 20-ounce jar of strawberry jam for $4.00. What is the unit price per ounce?

Mathematics
1 answer:
gulaghasi [49]3 years ago
4 0

Answer:

unit price for jam= 20 cents

unit price for tomato sauce= 25 cents

Step-by-step explanation:

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. There are 1,716 students participating in Field Day. They are put into teams of 16 for the
azamat

Answer:

107 TEAMS

Step-by-step explanation:

1716/16=107

7 0
3 years ago
Read 2 more answers
Recall the Akaike information Criterion (AIC) as well as the related Bayesian Information Criterion (BIC) from our study of Vari
irga5000 [103]

Step-by-step explanation:

To check out how efficient or accurate a model is, we use the akaike information criterion or the Bayesian. If the AIC or BIC are lower, then this model would be better. They are also used to control for model complexity

Akaike information criterion = 2k-2ln where k is the number of parameter. A higher k gives a higher AIC.

In the real world complex models are discouraged and avoided since

1. They cause data to be over fitted and can capture noise and information from this data.

2. They are complex and therefore difficult to interpret

3. They consume a lot of time and computing them has several inefficiencies.

Using these two as measure of performance, we can select optimal choice of independent variable.

With forward/backward regression, we are able to put new variables in the model or remove from it. The best is the one with lowest AIC.

5 0
3 years ago
Why can a variable be used to represent a number
irina [24]

Variables can be used to represent unknown numbers in a equation or expression that you will later find out what they are
6 0
3 years ago
Triangle DBC is equilateral,<br>AB = AC. Work out the size of angle x. <br><br><br>Pls asap​
allochka39001 [22]

Answer:

x = 21º

Step-by-step explanation:

∆ ABC is isosceles therefor

Angles B and C are congruent

(180  - 18)/2 = 162/2 = 81º

------------------

∆ BCD is equilateral  therefor all angles are 60º

---------------------------

x = = 81 - 60

x = 21º

3 0
2 years ago
Matt measures a subway token and calculates that it has an area of 254.34 square millimeters. What is the token's circumference?
aivan3 [116]

Answer:

The token's circumference is 56.52\ mm

Step-by-step explanation:

step 1

Find the token's radius  

The area of the circle is equal to

A=\pi r^{2}

we have

A=254.34\ mm^{2}

so

254.34=(3.14)r^{2}

r^{2}=254.34/(3.14)

r^{2}=81

r=9\ mm

step 2

Find the token's circumference  

The circumference of the circle is equal to

C=2\pi r

we have

r=9\ mm

substitute

C=2(3.14)(9)=56.52\ mm

7 0
3 years ago
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