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Softa [21]
2 years ago
10

What is the sum of the first 7 terms of the series -8 + 16 – 32 + 64 - ... ?

Mathematics
1 answer:
stira [4]2 years ago
4 0

-344.

-8 + 16 -32 + 64 - 128 + 256 - 512 = -344

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∠DEF and ∠FEG are supplementary. m∠DEF=(3x+5)°, and m∠FEG=(2x)°. What is the measure of ∠DEF?
Alex787 [66]

Answer:

DEF = 110

Step-by-step explanation:

Supplementary angles add to 180

3x+5  +2x = 180

Combine like terms

5x +5 = 180

Subtract 5 from each side

5x = 175

Divide each side by 5

5x/5 = 175/5

x =35

DEF = 3x+5

     = 3*35 +5

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2 years ago
Jon spent 1 hour 17 minutes less than Camden reading last week. Camden spent 47 minutes less than Pete. Pete spent 3 hours readi
Over [174]

Jon spend 56 minutes in reading

<h3>What is Unitary Method?</h3>

Unitary method is a process by which we find the value of a single unit from the value of multiple units and the value of multiple units from the value of a single unit.

Jon spent 1 hour 17 minutes less than Camden

Camden spent 47 minutes less than Pete.

Pete spent 3 hours reading.

Since, pete spent 3 hours. So, Camaden spent

= 3 hours or (180 minutes) - 47 minutes

= 2 hours 13 minutes.

Now, Jon spent = 2 hrs 13 minutes - 1 hour 17 minutes

                         = 56 minutes

Learn more about unitary method here:

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Translate 6 units left and 7 units down​
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3 years ago
A low P-Value in ANOVA table mean that the population mean of each treatment effects are different. the population mean of at le
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Answer:

The population mean of at least one treatment effect are different.

Step-by-step explanation:

An analysis of variance (ANOVA) is conducted in order to determine if there are significant differences between the values of the population mean with respect to the response variable for the domains that under the effects of different treatments. A low p-value leads to reject the null hypothesis of the following hypothesis system:

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Rejecting H0 means that this hypothesis is false and, in turn, allows us to conclude that the population mean of one of the domains is different from the others.

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3 years ago
What is the area for this triangle
Llana [10]

Answer:

56

Step-by-step explanation:

I'm not 100% sure, use my answer at your own risk

4 0
2 years ago
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