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Marat540 [252]
3 years ago
7

Two groups of students were asked how many pets they had. The table below shows the numbers for each group:

Mathematics
1 answer:
Charra [1.4K]3 years ago
6 0
Whats the question tho
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a movie theater has 24 screens. the ratio of action films to other films is 1:2 in the summer. how many action films are shown?
stiv31 [10]
12 action films are shown.
This is because if the ratio is 1:2, that means that exactly half of the total amount of movies are action. Thus, to evaluate this problem, you would find half of 24.
24 \div 2 = 12
5 0
3 years ago
Please answer all for 50 points and show the answers thank you
melamori03 [73]
What do you need help with? it helps us to know the question!
6 0
3 years ago
A 99% confidence interval for the sugar content (per 5 oz. serving) of a shipment of strawberries is 5.9 to 8.3 grams.
gavmur [86]

Answer:

Sample mean = 7.1

Margin of error = 0.465

Step-by-step explanation:

Formula for confidence interval is;

CI = x¯ ± zE

Where;

x¯ is sample mean

z is critical value at confidence level

E is margin of error.

z for 99% Cl is 2.58

We are told the CI is 5.9 to 8.3.

Thus;

5.9 = x¯ - 2.58E - - - - (1)

8.3 = x¯ + 2.58E - - - - (2)

Add both equations together to get;

14.2 = 2x¯

x¯ = 14.2/2

x¯ = 7.1

Put 7.1 for x¯ in eq 1 to get;

5.9 = 7.1 - 2.58E

7.1 - 5.9 = 2.58E

E = 1.2/2.58

E = 0.465

5 0
3 years ago
Please help with this.
Dmitrij [34]

Answer:b

Step-by-step explanation:u have to add dthe diameter to the form number

3 0
2 years ago
X+y+z=10<br> 6x+y+2z=37<br> y-z=10
garik1379 [7]
Ignore the scribbles
Search up Elimination and substitution

7 0
3 years ago
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