4 years ago

Solve for x. (enter your answers as a comma-separated list.) matrix

Mathematics

1 answer:

Gala2k [10]4 years ago

5 0

The problem isn't provided to solve for a matrix

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Kayla wanted to buy a sweatshirt. The original price was $45. When she went to the store the sale price was $37. What is the per

crimeas [40]

Answer:

You need to cross multiply 37/45+x/100 which equals 17%

Step-by-step explanation:

The first part represents the 37 dollars out of the original 45 and the second part represents x= the unknown percent out of 100 percent. This would be 17%

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3 years ago

A skateboard ramp makes a 27 degree angle with the ground to the nearest foot how high is the ramp

zepelin [54]

The answer is:
x=16.3

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3 years ago

A research report says that t(63) = 1.99; p = .03. From that information, can you reject the null hypothesis with 95% confidence

Leona [35]

Answer:

Yes, I can reject the null hypothesis with 95% confidence.

Step-by-step explanation:

Critical value t(63) = 1.99

p-value = 0.03

Confidence level (C) = 95% = 0.95

Significance level = 1 - C = 1 - 0.95 = 0.05

Conclusion:

Reject the null hypothesis because the p-value 0.03 is less than the significance level 0.05.

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3 years ago

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It takes a guinea pig about 68 days to develop comepletely before it is born. Which of these is less than 68 days

irakobra [83]

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3 years ago

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The area of a rectangle is expressed as (14x + 28) square feet. If the width of the rectangle is 7 feet, write an expression to

DochEvi [55]

Answer:

The expression for the length of the rectangle is 2x + 4

Step-by-step explanation:

The formula for determining the area of a rectangle is expressed as

Area = length × width

The area of a rectangle is expressed as (14x + 28) square feet. If the width of the rectangle is 7 feet, then the expression for the length of the rectangle would be

Length = Area/ width

= (14x + 28)/7

The numerator has a common factor of 7. Therefore, if we factorize 7 out, it becomes

7(2x + 4)/7

Length = 2x + 4

7 0

3 years ago