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Lelu [443]
3 years ago
15

The terms shown below are the first three terms of a geometric sequence whose common ratio is positive.

Mathematics
1 answer:
vichka [17]3 years ago
3 0

Answer:

a. 4

b. 5

Step-by-step explanation:

a. r = √(112/7) =√16 =4

b. 4x+8 = 28

4x = 28-8

4x = 20

x= 5

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The College Board reported the following mean scores for the three parts of the Scholastic Aptitude Test (SAT) (The World Almana
pochemuha
A. P(492 < x-bar < 512) 

<span>z = (492-502)/100/√90 </span>

<span>z = -0.95 is 0.1711 </span>

<span>z = (512-502)/100/√90 </span>

<span>z = 0.95 is 0.8289 </span>

<span>b. P(505 < x-bar < 525) </span>

<span>z = (505-515)/100/ √90 </span>

<span>z = -0.95 </span>

<span>z = (525-515)/100/ √90 </span>

<span>z = 0.95 </span>

<span>P(-0.95< z < 0.95) = 0.6578 </span>

<span>P(-0.95< z < 0.95) = 0.6578 </span>

<span>c. P(484 < x-bar < 504) </span>

<span>z = (484-494)/100/√100 </span>

<span>z = -1 is 0.1587 </span>

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<span>z = 1 is 0.8413 </span>

<span>P(-1< z <1) = 0.6826</span>
6 0
3 years ago
6,382<br>The value of an eight<br>worth 100 times the<br>value of the eight in<br>the number above.​
denis-greek [22]

Answer:

8000

Step-by-step explanation:

The value of 8 in this number is 80, so you multiply that by to get 8000.

I am joyous to assist you.

7 0
3 years ago
3x +2y=10 4x-y=6 using substitutional method​
Anna11 [10]

Answer:

( 2 , 2 )

Step-by-step explanation:

Solve the eqaution :

3x +2y=10

4x-y=6

Solve the eqaution for y :

3x + 2y = 10

y = -6 + 4x

Substitute for y : 3x + 2 ( -6 + 4x ) = 10

x = 10

Substitute for the value of x : x = 2

Substitute the given value of x into the eqaution

y = -6 + 4x : y = -6 + 4 × 2

Solve the eqaution: y = -6 + 4 × 2

solve the eqaution for y : y = 2

y = 2 A possible solution : the ordered solution pair is

( 2 , 2 )

8 0
3 years ago
Find the area of the door 80 inches by 36 inches and convert to square feet
kiruha [24]
I believe the answer is 240 square feet!


- hope this helped!!!
6 0
3 years ago
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A car travels 416 miles in eight hours at that rate how far will the car travel in 22 hours
alisha [4.7K]
Speed = 416 miles / 8hrs = 52 miles per hr.

Distance = Speed * Time = 52 * 22 = 1144miles
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3 years ago
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