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kifflom [539]
2 years ago
12

Two factors of x² +5x+6 are ….. and ….. ​

Mathematics
1 answer:
myrzilka [38]2 years ago
5 0

Hello!

\large\boxed{(x + 2)(x + 3)}

x² + 5x + 6

Find two numbers that add up to 5 and multiply to 6. We get:

2, 3

Therefore:

(x + 2)(x + 3)

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Mary Anne’s parakeet weighs 240g. Her cat weighs 3.1 kg. What is the difference, in grams, of the weights of her pets?
Roman55 [17]

Answer:

Step-by-step explanation:

weights of parakeet = 240 g

Weight of cat = 3.1 kg = 3.1 * 1000 = 3100.0 g = 3100 g

difference = 3100 -240 = 2860 g

5 0
3 years ago
PLEASE HELP RIGHT AWAY
BartSMP [9]

Answer:

29000, with the margin of error of ±5000

Step-by-step explanation:

Margin of error is the amount of error that can be caused due to variation, change of circumstances or any miscalculation.

In given case value of college student's debt can be between

24000 and 34000

Finding mid-point

(24000+34000)/2

29000

Now finding deviation of 29000 from 24000 and 34000

24000-29000= -5000

34000-29000= 5000

Hence

29000, with the margin of error of ±5000 !

8 0
3 years ago
Please help 25 points and brainliest!
Doss [256]

Answer:

a = -29

Step-by-step explanation:

12=\frac{a+5}{-2} \\\\-24=a+5\\a=-24-5\\a=-29

1st step is to multiply -2 on both sides

6 0
3 years ago
Read 2 more answers
A physician wants to develop criteria for determining whether a patient's pulse rate is atypical, and she wants to determine whe
valkas [14]

Answer:

a) 66.1 < μ < 82.7

b) 71.9 < μ < 97.7

c) D. No, because the two confidence intervals overlap, we cannot conclude that the two population means are different.

Step-by-step explanation:

Confidence interval is given by the formula

M±t×(\frac{s}{\sqrt{N} }) where

  • M is the sample mean
  • t is the corresponding t value for 95 confidence level
  • s is the sample standard deviation
  • N is the sample size

<u>a. Construct a 95% confidence interval estimate of the mean pulse rate for males.</u>

For men:

M=74.4 t=2.262 s=11.6207 N=10 then confidence interval is:

74.4±2.262×(\frac{11.6207}{\sqrt{10 } }) ≈ 74.4±8.3

<u>b. Construct a 95% confidence interval estimate of the mean pulse rate for females.</u>

For women:

M=84.8 t=2.262 s=18.0488 N=10 then confidence interval is:

84.8±2.262×(\frac{18.0488 }{\sqrt{10 } }) ≈ 84.8±12.9

<u>c. Compare the preceding results. Can we conclude that the population means for males and females are different?</u>

Difference of Population means for males and females are not statistically significant, since confidence intervals overlap.

<u />

4 0
3 years ago
Find the x value of 2x=10
Rus_ich [418]
<h3>I'll teach you how to solve 2x=10</h3>

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

2x=10

Divide both sides by 2:

2x/2 = 10/2

Simplify:

x=5

Your Answer Is x=5

plz mark me as brainliest :)

8 0
3 years ago
Read 2 more answers
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