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andrey2020 [161]

3 years ago

7

Molly and Jacob are meeting at the pool to go swimming. The pool is 3.22 kilometers from Molly's house and 2.81 kilometers from

Jacob's house. How much farther does Molly live from the pool than Jacob? *

1 answer:

Butoxors [25]3 years ago

5 0

Answer:

cookie

Step-by-step explanation:

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What is the coefficient of (-2/3x)(3y)(-2x)

dolphi86 [110]

Answer:

The coefficient is equal to $4$

Step-by-step explanation:

we have

$(-\frac{2}{3}x)(3y)(-2x)$

we know that

The coefficient is equal to

$(-\frac{2}{3})(3)(-2)=4$

so

$(-\frac{2}{3}x)(3y)(-2x)=4x^{2}y$

4 0

3 years ago

nika2105 [10]

-0.8 that is the answer hope it helps

3 0

3 years ago

Answers for both boxes please :)

NISA [10]

Answer: (-2;8)

$\left \{ {{3x+3y=18} \atop {2x+y=4}} \right. \\\\\left \{ {{x+y=6} \atop {2x+y=4}} \right. \\\\=>\left \{ {{x=4-6} \atop {x+y=6}} \right. \\\\\left \{ {{x=-2} \atop {x+y=6}} \right. \\\\\left \{ {{x=-2} \atop {y=6-(-2)=8}} \right.$

Step-by-step explanation:

6 0

3 years ago

Many companies "grade on a bell curve" to compare the performance of their managers and professional workers. This forces the us

GarryVolchara [31]

Answer:

option A

Step-by-step explanation:

given,

10% A grades 80% B grades 10% C grades

This year, managers with scores less than 35 received C's and those with scores above 425 received A's.

The mean has to be middle of two corresponding cutoff value

$\mu = \dfrac{35+425}{2}$

μ = 230

Cutoff Off C grade corresponds with the area of 0.10 is table A.

corresponding z- score according to Table A

Z = -1.28

now, standard deviation

$z = \dfrac{x-\mu}{\sigma}$

$\sigma= \dfrac{x-\mu}{z}$

$\sigma= \dfrac{35-230}{-1.28}$

σ = 152.3

Correct answer is option A

4 0

3 years ago

Help me im stuck stepbro

timofeeve [1]

Two hours step broooooooooooo

8 0

3 years ago

Read 2 more answers