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Degger [83]
3 years ago
10

Fiona solved the equation shown.

Mathematics
2 answers:
LenaWriter [7]3 years ago
4 0

Answer:

Simplify by combining like terms

Step-by-step explanation:

elena55 [62]3 years ago
3 0

Answer:

A on edge 2020

Step-by-step explanation:

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A stack of seven different cards are shuffled and spread out face down if three cards are turned face up how many different thre
Anton [14]
<h2>Answer:35 ways</h2>

Step-by-step explanation:

^nC_{k} is the number of ways of choosing k distinct objects from a lot of n distinct objects.

In the given question,

n=7\\k=3\\

^nC_{k}=\frac{n!}{(n-k)!k!}

So,^7C_{3}=\frac{7!}{3!4!}=\frac{210}{6}=35

So,there are 35 ways in which three distinct cards can be selecte from seven distinct cards.

3 0
3 years ago
A turkey cost $1.05 per pound. There are going to be 15 people at the Thanksgiving dinner. Plan for each person to eat two, 3/8
lina2011 [118]

Answer:

It will take 135 minutes or 2 hours and 15 minutes

Step-by-step explanation:

What we need here is to get the total

amount in pounds of turkey to be cooked

each person eats 3/8 pound servings

Total pound per person would be 3/8 * 2 = 3/4 pound servings

From what we have, there are 15 people at the dinner,

The total pounds to cook will be

15 * 3/4 = 45/4 pounds

Per pound of turkey, it takes 12 minutes

For 45/4 pounds, it will take

45/4 * 12 = 135 minutes

Let us convert this to hours

That will be 2 hours and 15 minutes

7 0
3 years ago
Part-time weekly earnings ($) by college students.
alexira [117]

Answer:

There is a significant linear correlation between the two variables.

Step-by-step explanation:

Given that part time weekly earnings are

x y

 

10 93

15 171

20 204

20 156

35 261

 

 

 

Correlation 0.9199

H0: r=correlatin =0

Ha: r ≠0

(two tailed test)

r difference = 0.9199

t = r*\sqrt{(n-2)/(1-r^2)} \\=4.063

p value < 0.0001

Since p <0.05 we reject null hypothesis

There is a significant linear correlation between the two variables.

Download xlsx
5 0
3 years ago
use the information on justines test paper to express the part of the 80 test questions she got correct as a fraction,percent an
kompoz [17]
<span>  80 divide by 68 is 1.17647058824</span>
5 0
4 years ago
A jar of jelly contains 510 grams of jelly. There are about 26 servings in one jar. How much is one serving? Please show work.
sashaice [31]

Answer:

Each serving is about 19 jelly beans.

Step-by-step explanation:

This is because 510 divided by 26 is 19.6.

4 0
4 years ago
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