3 years ago

D. Describe why this statement is false.

Mathematics

1 answer:

umka2103 [35]3 years ago

4 0

Answer:

59%

Step-by-step explanation:

There are 7 days out of 14 that are 20 or more

That would be 59%

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Complete the data set with one value so that the mean of the data is 12.

sergey [27]

Answer:

the answer is 16

Step-by-step explanation:

12+15+15+16+6=64

now watch when i remove 16

12+15+15+6=48/4=12

so ur answer is 16

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3 years ago

2. Evaluate the expression for a = –1 and b = 5. Show your work.<br> 5a – 7b + b2

Katen [24]

Greetings!

Input the values which represent the variables:
$=5a-7b+b^2$

$=5(-1)-7(5)+(5)^2$

Solve following the Order of Operations:
$=5(-1)-7(5)+25$

$=-5-7(5)+25$

The Answer Is:
$\boxed{-15}$

I hope this helped!
-Benjamin

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3 years ago

Please help with this problem<br><br> -9z = 2 - 10z

fgiga [73]

Answer:

z=2

Step-by-step explanation:

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3 years ago

5X-50+2X+80-X=180..............

JulsSmile [24]

Hey there!

5x - 50 + 2x + 80 - x = 180

COMBINE the LIKE TERMS

= 6x + 30 = 180

SUBTRACT 30 to BOTH SIDES

6x + 30 - 30 = 180 - 30

CANCEL out: -30 - 30 because that gives you 0

KEEP: 180 - 30 because it helps solve for the x-value

6x = 180 - 30

180 - 30 = 150

NEW EQUATION: 6x = 150

DIVIDE 6 to BOTH SIDES

6x/6 P 150/6

CANCEL out: 150/6 because that gives you the result of the x-value

x = 150/6

SIMPLIFY IT!

x = 25

Therefore, your answer is: x = 25

Good luck on your assignment and enjoy your day!

~Amphitrite1040:)

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2 years ago

Read 2 more answers

Help needed, much appreciated

mrs_skeptik [129]

Answer:

1/6

Explain:

The reciprocal of the slope is its perpendicular.

6/1 --> 1/6

3 0

3 years ago