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Dima020 [189]
3 years ago
8

A drilling machine can drill 12 holes in 6 minutes. If the machine drills holes at a constant speed, it can drill ______ holes i

n 25 minutes.
Mathematics
2 answers:
Nataly_w [17]3 years ago
5 0
50 might be the answer because 12÷6=2 so I just multiplied 15×2 and that equaled my answer, 50
eimsori [14]3 years ago
4 0

Answer:

50

Step-by-step explanation:

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Please help me i beg of u plzz
Leviafan [203]

Answer:

2) B. as x increases, y increases as well

3) C. Number of books owned and number of visits to the doctor's office in one year

4) D. The 90 minute lesson that cost $40

5) A. There is a strong correlation

Step-by-step explanation:

2) i am not 100%positive since there is no way to check my answer, but i believe it is "B. As x increases, y increases as well" because it highlights the correlation between x and y.

(i already explained 3, 4, and 5 on another one :D)

4 0
3 years ago
The rent for an apartment was $11,400 per year in 2012. If the rent increased at a rate of 4% each year thereafter, use an expon
Bad White [126]

Answer:

if the 4% continues to be 4% of 11,400 and not the new number, the answer is:  14592.

Step-by-step explanation:

7 0
3 years ago
Your food bill at a restaurant was 210 you leave a 15% tip what was total cost of your meal
s344n2d4d5 [400]
$241.50 due to my calculation
3 0
3 years ago
Read 2 more answers
A factory packed 9600kg of flour in to small bags and large bags. Each small bag contained 3kg of flour and each large bag conta
yawa3891 [41]

Answer:

696 large bags of flour were packed.

Step-by-step explanation:

Let large bags of flour be 'y'

Let small bags of flour be 'x'. That is x=2040 (according to the question)

(3 \times x) + (5 \times y) = 9600

(3 \times 2040) + ( 5 \times y) = 9600

(6120) + (5 \times x) = 9600

(5 \times x) = 9600 - 6120

(5 \times x) = 3480

x = 3480  \div 5

x = 696

HOPE IT HELPS

#PEACE

5 0
2 years ago
Write a statement that correctly interprets the confidence interval. Choose the correct answer below. A. One has 90​% confidence
poizon [28]

Answer:

B. <em>There is a 90​% chance that the true value of the population proportion will fall between the lower bound and the upper bound. </em>

Step-by-step explanation:

A. <em>One has 90​% confidence that the sample proportion is equal to the population proportion. </em>

Confidence interval gives an interval estimate, not an equality

B. <em>There is a 90​% chance that the true value of the population proportion will fall between the lower bound and the upper bound. </em>

<em>Ture. </em>

<em>C.</em><em> One has 90​% confidence that the interval from the lower bound to the upper bound actually does contain the true value of the population proportion. </em>

Also true but <em>One has 90​% confidence is not good interpretation. </em>

<em>D</em><em>. 90​% of sample proportions will fall between the lower bound and the upper bound.</em>

<em>Lower bound and upper bound is given to estimate population proportion. </em>

4 0
2 years ago
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