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2 years ago

Please HELP ASAP PLEASE?????!!!!

Mathematics

2 answers:

Mnenie [13.5K]2 years ago

6 0

Answer:

-1

Step-by-step explanation:

If you look at a number line, you will see that -1 comes before -2. Since -2 is a negative number, then the lower the number, the greater it is.

Akimi4 [234]2 years ago

3 0

Answer:

-1

Step-by-step explanation:

Any number less than -2 (ex -3, -4, -5) are less than -2

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Pls help me on his it’s is hard

Agata [3.3K]

In the second box put 15 in the fifth box put 30. Explanation:in both boxes the numbers are multiplied by a number starting from 3 to 6.

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3 years ago

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Suppose the scores of students on a Statistics course are Normally distributed with a mean of 563 and a standard deviation of 37

ololo11 [35]

Answer:

47.72% of students scored between 563 and 637 on the exam .

Step-by-step explanation:

The percentage of the students scored between 563 and 637 on the exam

= The percentage of the students scored lower than 637 on the exam -

the percentage of the students scored lower than 563 on the exam.

Since 563 is the mean score of students on the Statistics course, 50% of students scored lower than 563. that is P(x<563)=0.5

P(x<637)=P(z<z*) where z* is the z-statistic of the score 637.

z score can be calculated using the formula

z*= $\frac{X-M}{s}$ where

X =637

M is the mean score (563)

s is the standard deviation of the score distribution (37)

Then z*= $\frac{637-563}{37}$ =2

P(z<2)=0.9772, which means that 97.72% of students scored lower than 637 on the exam.

As a Result, 97.72%-50%=47.72% of students scored between 563 and 637 on the exam

5 0

3 years ago

the original recipe calls for 2 pounds of pasta and serves 8 people. The party will have 40 people . how many pounds of pasta do

hichkok12 [17]

Answer:

10 pounds. Hope this helps!!!!

Step-by-step explanation:

If 2 pound serves 8 people you can express that as a ratio of 2:8 so to get 8 people to 40 you multiply by 5 so you must do the same for the amount of pasta so 2 multiplied 5 equals 10.

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3 years ago

PLEASE HELP, WILL GIVE BRAINLIEST ANSWER!!!!!!!!!!!!!!!!!!!!!111

goldfiish [28.3K]

To get the answer, you must solve 5656 / 3434 which = 1.64
The closest answer choice that matches this is the last one: 1 3/5 cup

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3 years ago

Train A and train B leave a central station at the same time. They travel the same speed, but in opposite directions, with train

mylen [45]

Train A:

Distance (s) = 420 miles
Time (t) = 3 hours
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Train B:

Distance (s) = 420 miles
Time (t) = 2.25 hours
Speed (v) = distance ÷ time = 420 ÷ 2.25 = 186.7 miles/hour

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3 years ago

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