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ratelena [41]
3 years ago
12

This is math please help me nkw

Mathematics
1 answer:
Taya2010 [7]3 years ago
8 0

Answer:

14b+7j

Step-by-step explanation:

7(2b+j) = 14b+7j

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What is the surface area of this rectangular pyramid?
Dmitrij [34]

I got 288 but that could be wrong. graduated a while ago. hope it helps though.

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3 years ago
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If 9,309 is factored so that 29 is one of the factors, what number is the other factor
astra-53 [7]

answer: 321

work: factors are two numbers that are multiplied together to equal another number. so, the other factor is whatever the result of 9309/29 is. 9309/29= 321. so, the other factor is 321.

6 0
4 years ago
A normal random variable with mean and standard deviationboth equal to 10 degrees Celsius. What is the probability that the temp
Korvikt [17]

Answer:

0.57142

Step-by-step explanation:

A normal random variable with mean and standard deviation both equal to 10 degrees Celsius. What is the probability that the temperature at a randomly chosen time will be less than or equal to 59 degrees Fahrenheit?

We are told that the Mean and Standard deviation = 10°C

We convert to Fahrenheit

(10°C × 9/5) + 32 = 50°F

Hence, we solve using z score formula

z = (x-μ)/σ, where

x is the raw score = 59 °F

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σ is the population standard deviation = 50 °F

z = 59 - 50/50

z = 0.18

Probability value from Z-Table:

P(x ≤59) = 0.57142

The probability that the temperature at a randomly chosen time will be less than or equal to 59 degrees Fahrenheit

is 0.57142

4 0
3 years ago
Pls help as soon as possible
Anvisha [2.4K]

1 -2 pretty sure thats the one

6 0
3 years ago
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solve 2x2 12x − 14 = 0 by completing the square. 2(x 6)2 = 26; x = −6 square root 13, x = −6 − square root 132(x 6)2 = 20; x = −
coldgirl [10]
Assuming that the blank space is a plus
2x^2+12x-14=0

isolate x
(2x^2+12x)-14=0
undistribute 2
2(x^2+6x)-14=0
take 1/2 of 6 and square and add negative and positive
2(x^2+6x+9-9)-14=0
factor perfect squrae
2((x+3)^2-9)-14=0
distribute
2(x+3)^2-18-14=0
2(x+3)^2-32=0
2(x+3)^2=32
divide 2
(x+3)^2=16
sqrt
x+3=+/-4
minus 3
x=+/-4-3
x=-7 or 1
2nd to last option
5 0
4 years ago
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