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OleMash [197]
3 years ago
11

10.

Mathematics
1 answer:
Alinara [238K]3 years ago
5 0
It is the first answer, loss of $701.80
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Evaluate -4a+8z if a=8 and z=3?​
vladimir1956 [14]

Answer:

-8

Step-by-step explanation:

-4 x 8 = -32

8 x 3 = 24

-32 + 24 = -8

Hope this is right and helps!

4 0
3 years ago
Find the sum of the geometric sequence –3, 15, –75, 375, … when there are 9 terms and select the correct answer below.
zavuch27 [327]
Sn=sum of the n terms of the geometric sequence.
a= the first term
r=the common ratio
n=numbers of terms.

Sn=a[(1-r^n)/(1-r)]

In this case:
a=-3
r=a₂/a₁=15/-3=-5
n=9

S₉=-3[(1-(-5)⁹) / (1-(-5))=
S₉=-3(1+1953125)/6)=
S₉=-3(1953126/6)=
S₉=-3(325521)
S₉=-976563

Answer: A. -976563
3 0
3 years ago
Read 2 more answers
A plane, initially traveling 150 mi./hr. 100 east of north, suddenly enters a region where the wind is blowing at 50 mi./hr. fro
Leona [35]

Answer:

the Velocity of the plane is 100 mi/hr along the northeast direction

Step-by-step explanation:

According to the Question,

  • Given That, the Initial velocity of the plane is 150 mi/hr along the east north direction and the wind is blowing at 50 mi/hr along the southwest direction  

since the velocity of wind and plane is exactly opposite

  • the relative velocity of the plane with respect to the wind is given by

V_{r} = V_{p} -V_{w}  , where  V_{p} is the velocity of plane = 150mi/hr and V_{w} = velocity of wind = 50 mi/hr

  • Therefore,  Relative Velocity = 150-50 ⇒ 100mi/hr along northeast direction

Thus, the velocity of the plane is 100 mi/hr along the northeast direction

5 0
3 years ago
Help plz! Which equation is shown in the graph above?
harina [27]

Answer:

The answer is C

Step-by-step explanation:

If you count the rise over un to calculate your slope, which in this case it is drop 2 and to the right 3, that gives you the slope of -2/3

7 0
3 years ago
Read 2 more answers
Compare how adding a number to a function and adding a number to the​ x-value of a function change the graphs of the functions.
love history [14]

Answer:

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I hope this pic helps :))

Step-by-step explanation:


4 0
2 years ago
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