MATHEMATICS HIGH SCHOOL

The Sun has a diameter of approximately 8.64 × 105 miles. What is this distance in standard form? A. 86,400 miles
B. 86,400,000 miles
C. 8,640,000 miles
D. 864,000 miles

Answers

Answer 1
Answer: D.864,000
to find standard form if the power is positive move the decimal that many places to the right. If the power is negative move the decimal that many times to the left.

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Urgent!!!!! Which equation describes the graphed line

Answers

Answer: Hello, this is Bing. I can help you with your math problem.

To find the equation of the graphed line, we need to identify its slope and y-intercept. The slope is the ratio of the vertical change to the horizontal change between any two points on the line. The y-intercept is the point where the line crosses the y-axis.

Looking at the image, we can see that the line passes through the points (-3, 4) and (3, -2). We can use these points to calculate the slope:

slope = (y2 - y1) / (x2 - x1) slope = (-2 - 4) / (3 - (-3)) slope = -6 / 6 slope = -1

The slope of the line is -1. This means that for every unit increase in x, the y value decreases by 1 unit.

To find the y-intercept, we can use either of the points and plug them into the equation y = mx + b, where m is the slope and b is the y-intercept. For example, using the point (-3, 4), we have:

4 = -1 * (-3) + b 4 = 3 + b b = 1

The y-intercept of the line is 1. This means that the line crosses the y-axis at (0, 1).

Therefore, the equation of the graphed line is:

y = -x + 1

This equation matches with one of the options given below the graph: y = -1/2x + 4. This is because we can multiply both sides of the equation by 2 and get:

2y = -2x + 2 y = -1/2x + 4

Answer: The equation that describes the graphed line is y = -1/2x + 4.

Which ratio is expressed as a unit rate?A $1.00/$1.00lb
B 1page /3min
C 16in./16sec
D 67miles/60min

Answers

Answer:

Option A.

Step-by-step explanation:

The question asked for a unit rate. This means that there should be no denominator higher than 1. Option A is the only one which have a denominator of 1.

Solve the equation. -1/3m - 7= 5
a. -4
b. -15
c. -36
d. 6

Answers

-1/3m = 5+7
-1/3m = 12
m = -36

Every two out of three kids sang at the talent show. What percent of the kids did not sing at the talent show? (round)

Answers

33.3% do notsing in the talent show.

What is a percentage?

The percentage is calculated by dividing the required value by the total value and multiplying by 100.

Example:

Required percentage value = a

total value = b

Percentage = a/b x 100

Example:

50% = 50/100 = 1/2

25% = 25/100 = 1/4

20% = 20/100 = 1/5

10% = 10/100 = 1/10

We have,

Total number of kids = 3

Number of kids who sang = 2

The number of kids who do notsing.

= 3 - 2

= 1

The percentage of kids who do not sing.

= 1/3 x 100

= 33.33%

Thus,

33.3% do notsing in the talent show.

Learn more about percentages here:

brainly.com/question/11403063

#SPJ2
66.7 %
convert to decimal the multiply by 100

∈∉Ф⊅⊅⊄⊄⊆⊂⊃
What do these all mean???

Answers

They all are from the cryllic alphabet. Hope this helped!

Confirm that f and g are inverses by showing that f(g(x)) = x and g(f(x)) = x.f(x) = x3 + 4 and g(x) = Cube root of quantity x minus four.

Answers

f(x) = x³ + 4 and g(x) = ∛(x - 4)

so, the first thing the question asks of you is to see that f(g(x)) = x. try it out, plugging g(x) in as the x-variable in the first equation:

f(g(x)) = (∛(x - 4))³ + 4

they were merciful in writing this problem, and thankfully your cube roots cancel out and don't cause you any trouble. continue solving:

f(g(x)) = (∛(x - 4))³ + 4  ... cube root and exponent cancel
f(g(x)) = x - 4 + 4  ... simplify
f(g(x)) = x

so, yep. that one worked. try out the second half of the question: g(f(x)) = x

g(f(x)) = ∛((x³ + 4) - 4)  ... simplify inside your radical, cancelling out the 4s
g(f(x)) = ∛(x³)  ... the cube root of x³ is x itself, so:
g(f(x)) = x

and there you are. you've confirmed that these are inverses.
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