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3 years ago

PLZ HELP A GIRL OUT !!! GIVIN BRAINIEST !!!

Mathematics

2 answers:

tekilochka [14]3 years ago

7 0

Answer:

Step-by-step explanation:

because the par is 1 so it turns tonegative

zhenek [66]3 years ago

4 0

the answer is A.

the equation is f(n-1)+2. f is -6 and n is the number of term. so for example, if you want to find the second term, you substitute n for 2. then you solve.

-6(2-1)+2,

-6(1)+2,

-6+2= -4. therefore the second term is -4. you do this with n being 1,3,4,5 to get the sequence of

2, -4, -10, -16, -22.

hope this helped !!

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What is the 3rd term of the linear sequence below: 22,18,14,10,6...

Ratling [72]

Answer:

14

step by step explanation:

14

4 0

3 years ago

Suppose a 95% confidence interval for μ turns out to be (1,000, 2,100). give a definition of what it means to be "95% confident"

IRISSAK [1]

Answer:

In repeated sampling, 95% of the intervals constructed would contain the population mean.

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3 years ago

If a figure is a square then is it a regular quadrilateral true or false explain

miskamm [114]

I believe so. (TRUE). a square has all equal sides so if the figure is just alike, its a reg quad.

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4 years ago

How did the temperature change if: at first it decreased by 60% and then increased by 80%. PLEASE NEED HELP!

Sergio039 [100]

The temperature decreased by 28%

Step-by-step explanation:

How did the temperature change if :

At first it decreased by 60%
Then increased by 80%

Assume that the temperature before decreasing is 100%

∵ The temperature before decreasing = 100%

∵ It decreased by 60%

→ Before decreasing : decreasing : after decreasing

→ 100% : 60% : 100% - 60% = 40%

∴ The temperature after decreasing = 40%

Assume that the temperature after decreasing is 100%

∵ The temperature after decreasing = 100%

∵ It increased by 80%

By using the ratio method

→ After decreasing : increasing : after increasing

→ 100% : 80% : 100% + 80% = 180%

→ 40% : : x%

By using cross multiplication

∴ 100% × x% = 40% × 180%

- Divide both sides by 100%

∴ x% = $\frac{(40)(180)}{100}$

∴ x% = 72%

∵ At first the temperature = 100%

∵ At last the temperature = 72%

∵ The first the temperature > the last the temperature

∴ The decreasing in temperature = 100% - 72% = 28%

The temperature decreased by 28%

Learn more:

You can learn more about ratio in brainly.com/question/2707032

#LearnwithBrainly

5 0

3 years ago

Solve the equation. Then check your solution.

Arte-miy333 [17]

8x+5= 69

Move +5 to the other. Sign changes from +5 to -5.

8x+5-5= 69-5

8x= 64

Divide by 8

8x/8= 64/8

x= 8

Answer : x= 8

4 0

3 years ago