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Elza [17]
3 years ago
13

Explain how to multiply two numbers with different signs.

Mathematics
1 answer:
Vika [28.1K]3 years ago
5 0
<h2>Answer:</h2><h2>When you multiply 2 Integers with the same signs,the result is always positive.</h2><h2>Just multiply the absolute values and make the answer positive.</h2><h2>When you multiply 2 integers with different integers the result is always negative. </h2><h2>Just multiply the absolute values and make the answer negative. </h2>

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a quarter weighs approximately 5.7 grams and a dime weighs approximately 2.3 grams. A bag with 57 quarters and some dimes weighs
Neporo4naja [7]
Answer: 95 dimes



Step by step explanation
4 0
3 years ago
7 is greater than or equal to w, and - 1 is less than w
kari74 [83]
This written as an expression is 7 >= w > -1

Hope this helps!
8 0
2 years ago
(-2,3) and (-2,1) what is the answer
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8 0
3 years ago
Read 2 more answers
If it took 8 people 10 hours to build a barn, how long would it take 14 people to build the same barn?
Basile [38]

Answer:

if 8 people take 10 hours then

1 people 10 / 8 = 1.25 hours

then 14 people =

14 * 1.25 = 17.5 hours

8 0
2 years ago
The following information was collected on 20 randomly chosen high school students, which compared their IQ score to musical apt
Mashcka [7]

Answer:

Y = 0.4925X - 22.26 ;

(-12.413, 13.398) ;

Yes, there is

Step-by-step explanation:

X = IQ Score ; Y = musical aptitude

The regression equation from the table given using the slope and intercept coefficient :

Y = 0.4925X - 22.26

0.4925 = slope ; Intercept = - 22.26

The 95% confidence interval of the slope :

Confidence interval = b ± Tcritical*SE

Tcritical at 95%, df = n - 2 = (20 - 2) = 18

Tcritical = 2.1009

b = slope Coefficient = 0.4925

S.E = 6.143

Hence, we have :

Confidence interval = 0.4925 ± (2.1009 * 6.143)

Confidence interval = 0.4925 ± 12.9058287

Lower boundary = 0.4925 - 12.9058287 = - 12.413

Upper boundary = 0.4925 + 12.9058287 = 13.398

(-12.413, 13.398)

There is a significant relationship between IQ score and musical aptitude because, 0 is within the confidence interval obtained.

6 0
3 years ago
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