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DerKrebs [107]
3 years ago
14

Help me pls really need help

Mathematics
2 answers:
melomori [17]3 years ago
6 0
10^{3} $1 bills is the same as 10 \times 10 \times 10 = 1000 $1 bills.

You're told that 1000 $1 bills is 4.3 inches tall. That means to get the height of one $1 bill, you have to divide 4.3 inches (the height of 1000 $1 bills) by 1000 (how many bills there are):
 \frac{4.3}{1000} = 0.0043 in

The thickness of one $1 is C) 0.0043 in.
RSB [31]3 years ago
3 0

A) 43,000

10^3 is the same as 10,000

multiply 10,000 by 4.3=43,000

hopes this helps

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The forecast says the probabity for rain is 70%. What is the proabbaity it will not rain?
mamaluj [8]

Answer:

30%

Step-by-step explanation:

The probality is 30% because 70% + 30% = 100%

4 0
2 years ago
PLS HELP ASAP I WILL GIVE BRAINERLIST PLUS 15 POINTS
horrorfan [7]

The coldest temperature is the negative value furthest away from 0.

-10 would be the answer.

7 0
3 years ago
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the distribution of heights of adult American men is approximately normal with mean 68 in and a standard deviation of 2.5 in wha
melamori03 [73]

Let x be a random variable representing the heights of adult American men. Since it is normally distributed and the population mean and standard deviation are known, we would apply the formula,

z = (x - mean)/Standard deviation

From the information given,

mean = 68

standard deviation = 2.5

The probability that the height of a selected adult is between 63 and 73 is expressed as

P(68\leq x\leq73)

For x = 63,

z = (63 - 68)/2.5 = -2

Looking at the normal distribution table, the probability corresponding to the z score is 0.02275

For x = 73,

z = (73 - 68)/2.5 = 2

Looking at the normal distribution table, the probability corresponding to the z score is 0.97725

Therefore,

P(68\text{ }\leq x\leq73)\text{ = 0.97725 - 0.0}2275\text{ = 0}.9545

Thus, the percentage of men are between 63 and 73 is

0.9545 * 100 = 95.45%

Rounding up to the nearest percentage, the answer is 95%

8 0
10 months ago
Find the equation of the line through (-9,6) that is perpendicular to the line through (7,8),
Setler [38]

Step-by-step explanation:

I assume as "equation" we mean the slope-intercept form :

y = ax + b

"a" is the slope of the line (y coordinate change / x coordinate change when going from one point to another on the line). b is the y-intercept (the y value when x = 0).

we get the slope by finding the perpendicular slope of the first line.

the slope of the first line when going from (-3, -9) to (7, 8) :

x changes by + 10 (from -3 to +7).

y changes by + 17 (from -9 to +8).

so, that slope is 17/10.

the perpendicular slope is turning the original slope upside-down and flips the sign :

-10/17

so, a = -10/17

now, as we have only the slope and a point of the new line, we can use the point-slope form to stay and then transfer into the slope-intercept form.

y - y1 = a(x - x1)

where "a" is again the slope, and (x1, y1) is a point on the line

y - -6 = -10/17 × (x - -9)

y + 6 = -10/17 × (x + 9) = -10/17 × x - 90/17

y = -10/17 × x - 90/17 - 6 =

= -10/17 × x - 90/17 - 102/17 =

= -10/17 × x - 192/17

so, the equation is (in a maybe nicer way)

y = -1/17 × (10x + 192)

7 0
1 year ago
Tyler has ten coins. Each coin weighs two hundred thirty-one thousands of an ounce. Decide if each expression is equivalent to t
White raven [17]
The answers that you have circled are correct
6 0
3 years ago
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