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Serjik [45]
3 years ago
13

3t − 2t + 2 = 9 t =

Mathematics
2 answers:
alexandr402 [8]3 years ago
6 0

Answer:

t = 7

Step-by-step explanation:

Combine like terms

3t - 2t + 2 = 9

t + 2 = 9

Move the variable

t + 2 = 9

 - 2      -2

t = 7

charle [14.2K]3 years ago
4 0

Answer:t=7

Step-by-step explanation:

Combine like terms

3t-2t+2=9

t+2=9

Subtract both sides with 2

t+2-2=9-2

t=7

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The pth percentile is a value such that approximately a. p percent of the observations are less than the value and (100 - p) per
kogti [31]

Answer:

p percent of the observations are less than the value and (100 - p) percent are more than this value.

Step-by-step explanation:

Given : The pth percentile is a value such that approximately

Solution :

Definition : A percentile is a measure used in statistics indicating the value below which a given percentage of observations in a group of observations falls

So, The pth percentile means p percentage of observations in a group of observations falls bellow the value

So, (100-p) percentage of observations in a group of observations falls above the value

So, Option a is true

Hence p percent of the observations are less than the value and (100 - p) percent are more than this value.

5 0
2 years ago
A video game company surveys a random sample of 225 of its best customer and finds that the average gamer spends $606 a year on
victus00 [196]

Answer:

Multi facets

Step-by-step explanation:

First company surveys best customers so they are highest spending

First company standard deviation is high @ $62 so their spends are $606 a year plus or minus $180 (rounded up)

Second company has a Random sample so includes all customers

Second company has larger number of responses

Second company has a range of plus or minus $40

6 0
3 years ago
80 points just please help
Arlecino [84]

Answer:

F

Step-by-step explanation:

If you used the first one

(4÷4) (4÷4) = 1 which is correct.

input the values in the equations and check each one

5 0
3 years ago
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Please help with this postulate! :)
atroni [7]

Answer:

  • C. ASA postulate

Step-by-step explanation:

<u>We observe two angles and the included side of ABC are congruent to two angles and the included side of DBE:</u>

  • ∠A ≅ ∠D
  • ∠C ≅ ∠ E
  • AC ≅ DE

This is called ASA

7 0
2 years ago
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Lee is staying at a hotel. The cost of the first night is $240. The cost for each night after that is $210. Let y represent the
GenaCL600 [577]

A) The situation represents an arithmetic sequence because the successive y-values have a common difference of 210.

F(1) = 240 +210

F(2) = 240 +2(210)

F(3) = 240+3(210)

.

.

.

.

F(x)= 240 +210x.

Learn more about Sequence:

brainly.com/question/12246947

#SPJ4

3 0
2 years ago
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