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Savatey [412]
3 years ago
14

WILL GIVE BRAINLYEST TO FIRST NEED ASAP

Mathematics
2 answers:
nadya68 [22]3 years ago
7 0

Answer:

8 schools

Step-by-step explanation:

read

Harman [31]3 years ago
5 0

Answer:

122

Step-by-step explanation:

hope thats itbecause i just times 16x7 \_(^-^)_/

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If a data point has a corresponding z-score of -1.5, then it is one and a half standard deviations above the mean value. 1. True
TEA [102]

Answer: False.

Step-by-step explanation:

For any random variable x,

Formula to calculate the z-score : z=\dfrac{x-\mu}{\sigma}

, where \mu = Mean

\sigma = Standard deviation

Let x be the data point has a corresponding z-score of -1.5.

Then , we have

-1.5=\dfrac{x-\mu}{\sigma}

-1.5\sigma=x-\mu

\mu-1.5\sigma=x

i.e. x is one and a half standard deviations below the mean value.

( one and a half =1+\dfrac{1}{2}=1.5 )

Therefore , the given statement is false.

8 0
3 years ago
-4.66666666667 as a fraction
Natali5045456 [20]
 the answer is 4 -31/36
7 0
3 years ago
Please answer if correct you get brainiest
il63 [147K]

Answer:

1. A.) Blocks a river and creates a large lake

2. D.) More plant-eating animals would survive

3. D.) Shorter time for plants to produce seeds.

4. B.) Raccoons found more food living near people

5. D.) Make it difficult for animals to move through the forest.

8 0
2 years ago
(01.07 MC) Lines BC and ED are parallel. They are intersected by transversal AE, in which point B lies between points and E. The
Brrunno [24]

Answer:

m∠ABC = m∠BED; Corresponding Angles Theorem

Step-by-step explanation:

<u>Given:</u> line BC is parallel to line ED m∠ABC = 70° m∠CED = 30°

<u>Prove:</u> m∠BEC = 40°

Statement Justification

1. line BC is parallel to line ED - Given

2. m∠ABC = 70° - Given

3. m∠CED = 30° - Given

4. m∠BEC + m∠CED = m∠BED - Angle Addition Postulate

5. m∠ABC = m∠BED - Corresponding Angles Theorem

6. m∠BEC + 30° = 70° - Substitution Property of Equality

7. m∠BEC = 40° Subtraction Property of Equality

6 0
3 years ago
Read 2 more answers
Subtract <br><br> \frac{3n+2}{n-4}-\frac{n-6}{n+4}
aalyn [17]
(3n+2)/(n-4) - (n-6)/(n+4)

common denominator (n-4)(n+4)

{(n+4)(3n+2)-(n-4)(n-6)}/{(n-4)(n+4)}

Use the foil method:

{(3n²+14n+8)-(n²-10n+24)}/{(n-4)(n+4)}

distribute negative sign:

{(3n²+14n+8-n²+10n-24)}/{(n-4)(n+4)}

subtract:

(2n²+24n-16)/{(n-4)(n+4)}

take out 2:

2{n²+12n-8}/{(n-4)(n+4)}

 
4 0
3 years ago
Read 2 more answers
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