Answer:
It's (7x+2)(3x−2)
Step-by-step explanation:
Answer:
Following are the answer to this question:
Step-by-step explanation:
Given:
n = 30 is the sample size.
The mean
= 7.3 days.
The standard deviation = 6.2 days.
df = n-1

The importance level is
= 0.10
The table value is calculated with a function excel 2010:

The method for calculating the trust interval of 90 percent for the true population means is:
Formula:


It can rest assured that the true people needs that middle managers are unavailable from 5,37 to 9,23 during the years.
B: is the best answer because there splitting 2 apples among 3 people and that means there’s not enough for all, so they all receive 2/3 of an apple to all get shared with equally. Hopefully this helps!
Answer:
The family of directions of the given vector is represented by
,
.
Step-by-step explanation:
According to the given information, vector stands in the 4th Quadrant (
,
) and direction of the vector (
) in sexagesimal degrees, is determined by following definition:
, 
Please notice that angle represents a function with a periodicity of 360°.
If we know that
and
, then the direction of the vector is:

The family of directions of the given vector is represented by
,
.
Answer:
Step-by-step explanation:
PQ=24
PS=19
PR=42
TQ=10
QR=19
SR=24
PT=21
SQ=20
m∠QRS=180-m∠PQR=180-106=74°
m∠PQS=m∠QSR=49°
m∠RPS=m∠PRQ=m∠QRS-m∠PRS=74-35=39°
m∠PSQ=m∠RQS=m∠PQR-m∠PQS=106-49=57°
m∠PQR=106°
m∠ QSR=49°
M∠PRS=35°