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Sav [38]
3 years ago
12

Is LMN a right triangle ???

Mathematics
2 answers:
saul85 [17]3 years ago
7 0
Yes LMN is a right triangle .
denis23 [38]3 years ago
5 0
Yes, LMN is a right triangle.

HOPE it helps!!!!!!
plz mark as a brainliest answer!!!!!

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If Ann correctly factors an expression that is the difference of two perfect squares, her factors could be
Sphinxa [80]

Answer:

1.) ???

2.) (2x+3y)(2x-3y)=4x²-9y²

3 0
3 years ago
Solve for x.<br><br> x = 5°<br> x = 18°<br> x = 30°<br> x = 36°
sergij07 [2.7K]

Answer:

x=36

Step-by-step explanation:

The 2 angles, ∠EAF and ∠FAB are on a straight line. This means they are supplementary, and add to 180 degrees.

So,

∠EAF  +∠FAB =180

We know that ∠EAF is 3x and ∠FAB is 2x, so we can substitute them in

3x+2x=180

Combine like terms

5x=180

Divide by 5 on both sides

x=36

So, x=36 degrees, or the last choice

3 0
3 years ago
If the correlation coefficient is .87, is its relationship considered to be strong positive,weak positive,strong negative,weak n
myrzilka [38]

Answer:

strong positive correlation co efficient

Step-by-step explanation:

<u>correlation:-</u>

A correlation co-efficient is a numerical measure of some type of correlation,meaning a statistical relationship between two variables.

<u>positive correlation:-</u>

Positive correlation occurs when an increase in one variable increases the value in another.

<u>Negative correlation:-</u>

negative correlation occurs when an increase in one variable decreases the value of another.

Strong positive correlation:-

A co-efficient of correlation of + 0.87 indicates a strong positive correlation between the independent variables

Strong negative correlation:-

A co-efficient of correlation of - 0.87 indicates a strong negative correlation between the independent variables.

Zero correlation:-

There is no relationship is called zero correlation

weak positive correlation:-

A co-efficient of correlation below 0.2 indicates a weak positive correlation between the independent variables.

weak negative correlation:-

A co-efficient of correlation below -0.2 indicates a weak negative correlation between the independent variables.

8 0
3 years ago
Analyzing Equations (Pls help)
scoundrel [369]

Answer:

I think 3 ,4 ,and 5 are to only correct ones

6 0
2 years ago
HCF and LCM questions​
mina [271]
<h3>HCF and LCM Questions</h3>

Responses:

6. (i) 27

(ii) 4 rose stalks, 3 lily stalks, and 2 orchid stalks

7. After 18 minutes

8. (i) May 7th

(ii) Every 12 days

<h3>How can the HCF and LCM be used to find the right responses?</h3>

6. The number of stalks of roses = 108

Number of stalks of lilies = 81

Number of stalks of orchids = 54

(i) The largest number of baskets that can be packed is given by the

Highest Common Factor, GCF , or HCF,  of  108, 81, and 54, which is

found as follows;

54 = 2 × 27

81 = 3 × 27

108 = 4 × 27

Therefore;

The HCF of 108, 81, and 54 is 27

Which gives;

  • The largest number of baskets that can be packed = <u>27</u>

(ii) From the above factors, we have;

  • Number of rose stalks per basket = <u>4</u>
  • Number of lilies per basket =<u> 3</u>
  • Number of orchids per basket =<u> 2</u>

7. Length of the circular path = 1 km. = 1,000 m.

Time Lixin takes to walk one round = 18 minutes = 1,080 seconds

Time Khairul takes to run one round = 360 seconds

Time Devi takes to cycle 2 rounds = 4 minutes

Therefore;

Time Devi takes to complete 1 round = \frac{4}{2} = 2 minutes = 120 seconds

Required:

The time at which the three of them will next meet at the starting point

Solution:

The time at which they meet at the starting point is given as the lowest

common multiple, LCM of 1,080, 360, and 120, which is given as

follows.

1,080 = 360 × 3

1,080 = 120 × 9

1,080 = 1,080 × 1

Therefore;

The LCM of 1,080, 360, and 120 is 1,080

  • The time they will next meet at the starting point is after 1,080 seconds which is <u>18 minutes</u>

8. The days off of Nora = Every 4 days

Days off for Amirah = Every 6 days

Nora's last day of = 29 April

Amirah's last day off = 1 May

(i) The next time they will both have the same day off is given as follows;

6·x = 2 + 4·x

2·x = 2

x = 1

Therefore, the next time Amirah has a day off, which is 1 May + 6 days = 7 May, they will both have the same day off.

  • They will both have the same day off on May 7

(ii) The number of days that it will take for them to have the same day off is given by the HCF of 4 and 6, which is <u>every 12 days</u>.

Learn more about LCM and HCF here:

brainly.com/question/20293084

brainly.com/question/14387448

7 0
2 years ago
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