MATHEMATICS HIGH SCHOOL

What is 6.99 × 10−4 in standard form? A) 0.0000699 B) 0.000699 C) 0.0699 D) 6,990

Answers

Answer 1
Answer:

Option B: 0.000699 is the standard form

Explanation:

Given that the expression 6.99* 10^{-4

We need to determine the standard form of the expression 6.99* 10^{-4

Since, the power is in negative four, then we need to move the decimal point four places before the number 6.

Moving the decimal point four places before the number 6, we get,

0.000699

Thus, the standard form of the given expression is 6.99* 10^{-4

Therefore, Option B is the correct answer.
Answer 2
Answer:

Answer:

It is B

Step-by-step explanation:

I just took it on USA test prep :)

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Leanna guesses on four multiple choice test questions in a row. If each question has 3 possible answers, what is the probability that Leanna will guess the answer to the 4th question correctly? A. 1/81 B. 1/12 C. 1/3

Answers

the previous question don't change the probability of the next questions, so the information that it is the 4th question is not relevant.

It's only relevant that there are 3 possible answers, so the probability of getting the right one is 1/3 (C.).

Answer:

1\3

Step-by-step explanation:

1\3 is the answer....

If 12 mod 13=X mod 5 find the value of X​

Answers

Answer:

HI,

Step-by-step explanation:

12 mod 13=12

x \equiv 12 [5]\n\nx \equiv 2 [5]\n\n\nx\in 5*\mathbb{N}+2=\{2,7,12,17,22,27,32,37....\}

PLEASE HELP ME!!!! I'LL MARK YOU BRAINLIEST IF YOU ANSWER THIS CORRECTLY!!!!

Answers

Answer:

x = 86

Step-by-step explanation:

note: a straight line is regarded to have an angle of 180 degrees.

in this case CUW is a straight line

I shall show you two methods . which ever one you choose will still get the same answer. however understanding both will help you use them for other questions

method 1

therefore in order to solve the value of x we need to get the missing angle in the triangle first which is angle WUV

Angle WUV

notes : a triangle has a total angle of 180 degrees

hence we can create an equation to get the angle WUV

lets make the missing angle as Y , this will help to find the answer.

46 + Y + 40 = 180

now make Y the subject of formula

Y = 180 - 40 - 46

Y = 94

now in order to find x .

since the CUW is a straight line with 180 degrees

hence x = 180 - 94 = 86

x = 86

method 2

since the triangles total angle is 180 degrees and also the straight line is also 180 degrees. we can just add the total of the 2 sides of the triangle ( the two interior angles can be added together to get the value of the exterior one)

40 + 46 = 86

x = 86
The answer is 86
Two interior angles is equal to one exterior angle

Solve and graph the absolute value inequality: |2x + 4| > 14

Answers

|2x+4| > 14\n\n2x+4 > 14\ \vee\ 2x+4 < -14\n\n2x > 14-4\ \vee\ 2x < -14-4\n\n2x > 10\ \vee\ 2x < -18\n\nx > 5\ \vee\ x < -9\n\nsee\ a\ picture\n\nx\in(-\infty;-9)\ \cup\ (5;\ \infty)
|2x + 4| > 14
2x+ 4 = 14  2x + 4 = -14
x = 5 or x = - 9
2*5 = 10 +4 = 14 Yes
2*-9 = -18 + 4 = - 14 Yes
2x > 10  2x < - 18
X > 5
X < -9

Find the limit. lim (x-5)/((x^2)-25) x-> 5+

Answers

\lim_(x \to 5) (x-5)/( x^(2) -25) =( (0)/(0) ) = \n =\lim_(x \to 5) (x-5)/((x-5)(x+5))= \n =\lim_(x \to 5) (1)/(x+5)= \n = (1)/(5+5)= (1)/(10) = 0.1

The midpoint of AB is M(7,-5). If the coordinates of A are (6, - 7), what are thecoordinates of B?

Answers

Final answer:

To find the coordinates of B, we use the formula for finding the midpoint of a line segment. By plugging in given values and arranging the equation, we get B(8, -3).

Explanation:

To find the coordinates of B, you'd use the formula for the midpoint of a line segment. The midpoint is calculated as follows - ((x1+x2)/2, (y1+y2)/2). Here, the coordinates of the midpoint M(7,-5) and A(6, -7) are given.

Plugging these in the formula:
7=(6 + x2)/2
-5=(-7+ y2)/2

By cross multiplying and arranging the equations, we can find the value of x2 and y2 - these will be the coordinates of point B.

Solving the equations gives B(8, -3) as a result.

Learn more about Midpoint Formula here:

brainly.com/question/15085041

#SPJ3

Answer:(8,-3)

Step-by-step explanation:

X2=8 Y2=-3
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