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3 years ago

77 x - 8 = 17 I need an answer please!!!

Mathematics

2 answers:

Arisa [49]3 years ago

6 0

1/11
I took a test on this

Phoenix [80]3 years ago

3 0

Answer:25 /77

Step-by-step explanation:

77 x - 8 = 17

Collect like terms

77 x = 17 + 8

x= 25 /77

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2.4x-9 < 1.8x+6 solve the inequality

nasty-shy [4]

Answer:

x<25

Step-by-step explanation:

Let's solve your inequality step-by-step.

2.4x−9<1.8x+6

Step 1: Subtract 1.8x from both sides.

2.4x−9−1.8x<1.8x+6−1.8x

0.6x−9<6

Step 2: Add 9 to both sides.

0.6x−9+9<6+9

0.6x<15

Step 3: Divide both sides by 0.6

0.6x/0.6 < 15/0.6

x<25

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3 years ago

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stellarik [79]

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2 years ago

Please answer this question! PLEASE! Make advertisement for Asian trade goods that change European life.

Monica [59]

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5 0

3 years ago

The highway fuel economy of a 2016 Lexus RX 350 FWD 6-cylinder 3.5-L automatic 5-speed using premium fuel is a normally distribu

Elodia [21]

Answer:

a) Standard error = 0.5

b) 99% Confidence interval: (19.2125,21.7875)

Step-by-step explanation:

We are given the following in the question:

Population mean = 20.50 mpg

Sample standard deviation = 3.00 mpg

Sample size , n = 36

Standard Error =

$=\displaystyle\frac{\sigma}{\sqrt{n}} = \frac{3}{\sqrt{36}} = 0.5$

99% Confidence interval:

$\mu \pm z_{critical}\frac{\sigma}{\sqrt{n}}$

Putting the values, we get,

$z_{critical}\text{ at}~\alpha_{0.01} = \pm 2.575$

$20.50 \pm 2.575(\displaystyle\frac{3}{\sqrt{36}})= 20.50 \pm 1.2875 = (19.2125,21.7875)$

4 0

3 years ago

Given the function f(x)=(x+2) find each if the following f(1), f(-10),f(0)

kakasveta [241]

F(1)= 3
F(-10)= -8
F(0)= 2

3 0

3 years ago

Read 2 more answers