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3 years ago

Last questions on this quiz (I always get confused on finding the x value)

Mathematics

1 answer:

zimovet [89]3 years ago

3 0

For the first one, we know that is a right angle. right angles are 90 degrees. if we subtract 90 - 49 that equals 41. so the second value needs to equal 41. since we have a 3 there already, we are going to subtract 41-3, which is 38. x = 38

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What is the answer

Andrej [43]

Answer:

V = IR
12 volts

Step-by-step explanation:

Starting with ...

I = V/R

Multiply by R to find V:

IR = V

The equation is ...

V = I·R

Using the given values for I and R, we have ...

V = (2)(6)

V = 12 . . . required voltage (volts)

7 0

3 years ago

According to a statistical journal, the average lengths of a newborn is 19.6 inches with a standard deviation of 1.2 inches. Th

avanturin [10]

Answer:

9.18%

Step-by-step explanation:

First, find the z-score.

z = (x − μ) / σ

z = (18 − 19.6) / 1.2

z = -1.33

Use a chart or calculator to find the probability:

P(Z < z) = 0.0918

3 0

3 years ago

Fraction Problems

polet [3.4K]

1 inch is 1/12 of a foot
3 inches is 1/4 of a foot
Number line would be divided into 12. The first spot would be 1/12, the next would be 2/12 and so on. Make a mark at 1/12 for one inch and at 3/12 for 3 inches

3 0

3 years ago

John read the first 114 pages of a novel, which was 333 pages less than 1/3 of the novel. Write an equation to determine the tot

tankabanditka [31]

(p)=(333+114)•3

because 114 pages are already read and if he needs 333 pages to reach 1/3 of the book you add 114 and 333 so you can find out how much pages is 1/3 of the book. then you multiply that number by 3 because there are 3 sections of 333+114.

3 0

2 years ago

What percent of 18.75 is 27?

Olin [163]

The answer is 144%

Your welcome

4 0

3 years ago