You read that the median equals 12 on a test, what percentage of the participants had scores higher than 12

Answers

Answer 1

Answer: 50%

The median cuts the data into two halves, since the median is the center-most value. The scores higher than 12 make up half (50%) of the data while scores less than 12 make up the other 50%

Related Questions

Write a recursive definition for the sequence 14, 10, 6, 2,… Common difference is 4 what do I do next?

Answers

a[1] = 14 . . . . . . . . . defines the first term
a[n+1] = a[n] -4 . . . says each term is 4 less than the one before it

f(x) = f(x-1) - 4, with f(0) = 14
Since you're looking for a recursive definition, you simply need to do 2 things.
1. Define the function for some constant starting point(s).
2. Define the function in terms of itself for all other points.
For this question, I'll assume the first point is f(0). So we have f(x) = ?, with f(0) = 14
And we've handed the starting point by simply declaring that f(0) has the value of 14. Now for the recursive portion.
As you've noticed, each subsequent value is 4 less than the previous. So we can say f(x) = f(x-1) - 4. And with that, we can make the function.
f(x) = f(x-1) - 4, with f(0) = 14
As a side note, you are not restricted to just 1 starting value, nor just the immediate prior invocation of the function. For instance the definition of the Fibonacci sequence could be defined as
f(x) = f(x-1) + f(x-2), with f(0) = 0 and f(1) = 1

The cunninghams are moving across the country. mr. cunningham leaves 3 hours before mrs. cunningham. if he averages 55mph and she averages 75mph, how long will it take mrs. cunningham to overtake mr. cunningham?

Answers

His 3-hour head start puts Mr. Cunningham 165 miles ahead of her. She makes that up at the rate of (75 -55) = 20 mph, so will overtake Mr. Cunningham after (165 mi)/(20 mi/h) = 8.25 hours.

Final answer:

Mrs. Cunningham travels at a speed that is 20mph faster than Mr. Cunningham. Given that Mr. Cunningham has a 165-mile head start, Mrs. Cunningham would need 8.25 hours to cover this distance and catch up with him.

Explanation:

This question can be approached by analysing the relative speeds and the initial advantage Mr. Cunningham had. Mr. Cunningham travels for three hours at 55 mph before Mrs. Cunningham leaves, giving him a 165 mile head start. To determine how long it will take Mrs. Cunningham to overtake Mr. Cunningham, it's necessary to calculate how long it will take her to make up this 165-mile deficit at her faster speed.

Mrs. Cunningham travels 75mph, which is 20mph faster than Mr. Cunningham's speed. Thus, each hour, she closes the distance between them by 20 miles. To find out how many hours it takes her to close the 165 mile distance between them, divide this distance by her relative speed, so: 165miles / 20mph equals 8.25 hours.

Thus, it will take Mrs. Cunningham 8.25 hours to overtake Mr. Cunningham.

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Mickey’s beagle has a mass of 15 kilograms. His dachshund has a mass of 13 kilograms. What is the combination of both?

Answers

A combination is the weight of the two dogs added. If one dog weighs 15 kilos, while the other weighs 13 kilos, we must add 15 to 13. 15 plus 13 is 28, so the combination of the two dogs is 28.

A triangle has one side that measures x, another side that measures 2x, and a third side that measures 5 less than x. The perimeter is 31 inches. Which equation would you use to find the value of x? Explain your answer

A. x + 2x + x - 5 = 31

B. x + 2x + x + 5 = 31

C. x + 2x - x - 5 = 31

D. x + 2x - x + 5 = 31

Answers

1st side = x
2nd side = 2x

3rd side is x-5
so x +2x + x-5 = 31
answer is A

Aaliyah ate 7⁄8 of her mini-pizza, while James only ate 3⁄4 of his mini-pizza. How much more did Aaliyah eat

Answers

Final answer:

Aaliyah ate 1/8 more of the mini-pizza than James after converting their consumed amounts to a common denominator and subtracting James's share from Aaliyah's.

Explanation:

To calculate how much more Aaliyah ate compared to James, we need to compare the fractions of the mini-pizzas they each consumed. Aaliyah ate 7/8 of her mini-pizza, while James ate 3/4 of his mini-pizza. To make a comparison, we have to ensure both fractions have the same denominator.

Since the least common denominator for 4 and 8 is 8, we convert James's fraction from 3/4 to 6/8 by multiplying both the numerator and the denominator by 2. Now we can compare the amounts:

Aaliyah: 7/8 of a mini-pizza
James: 6/8 of a mini-pizza

To find out how much more Aaliyah ate, we subtract James's portion from Aaliyah's:

7/8 - 6/8 = 1/8

Therefore, Aaliyah ate 1/8 more of the mini-pizza than James.

help please.
1. Oatmeal costs $1.73/lb.

How much would 2.6 lb of oatmeal cost?
(Points : 1)
$1.50
$4.48
$4.50
$4.58

Question 2. 2. What percent of $520 is $494?
(Points : 1)
5%
11%
26%
95%

Answers

1) multiply price per pound by number of pounds.

1.73/lb * 2.6 pounds= $4.498= $4.50

ANSWER: C) $4.50

2) set up a proportion. 494 is what % out of 520 as x is what out of 100.

$494/$520= x/100
cross multiply
(494*100)= (520*x)
49400= 520x
divide both sides by 520
95%= x

ANSWER: D) 95%

Hope this helps! :)

The amount that 2.6 lb of oatmeal cost is $4.50.The percent of $520 that is $494 is 95%.

Cost:

1. Cost of oatmeal:

Cost of oatmeal=1.73/lb× 2.6 pounds

Cost of oatmeal= $4.498

Cost of oatmeal= $4.50 (Approximately)

2. Percentage:

Percentage=494/520×100

Percentage=95%

Inconclusion the amount that 2.6 lb of oatmeal cost is $4.50 and the percent of $520 that is $494 is 95%.

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: Below are two expressions. Simplify each and then choose the statement that is true.

Expression #1

Expression #2

Expression 1: (3x2)3x^2

Expression 2: (3x^3)^2(x^2)

The exponents in Expression #1 are greater than the exponents of Expression #2.
The exponents on Expression #2 are greater than the exponents of Expression #1.
The exponents of Expression #1 are the same as the exponents of Expression #2.
The relationship cannot be determined with the given information.

The answer I got was A

Answers

First, what we should do is simplify both expressions.
We have then:

Expression 1:
(3x2) 3x ^ 2
(9x ^ (2 + 2))
9x ^ 4
Expression 2:
(3x ^ 3) ^ 2 (x ^ 2)
(9x ^ 6) (x ^ 2)
(9x ^ (6 + 2))
9x ^ 8
Answer:
The exponents on Expression # 2 are greater than the exponents of Expression # 1.
(8> 4)

The Sunday school teacher gave 5 Friend's Day invations to each of her 19 students to give to their friends. She had 5 left over. How much invations did the teacher start out with?

Answers

I'm pretty sure its 100 because if she gave each of her 19 students 5 invitations that equals 95. (19×5=95) And She had 5 leftover equals 100. (95+5=100)

In a 30-60-90 triangle, what is the length of the hypotenuse when the shorter leg is 8m? Enter your answer in the box

Answers

8 root 3 will be the answer

It is 16m, since the length of the hypotenuse is double the shorter leg according to the special triangle rules.

The temperature of a cup of coffee t minutes after it has been poured is described by the function C(t) = 20 + 60(0.95)^t . a. How many minutes does it take for the coffee to cool to a temperature of d degrees? b. About how fast is the temperature dropping when t = 1?

Answers

The temperature of coffee 10 minutes after it was poured (120 F) will help in solving the constant “a”.
120 = 120(2 ^ 10a) + 60
2 ^ -1 = 2 ^ 10a
a = -1/10
The temperature of coffee 30 minutes after it was poured is:
F = 120 ( 2 ^ -30/10) + 60
F = 120 * 1/ 8 + 60
F = 15 + 60
F = 75

Answer ASAP

Find the area for this shape

Answers

[tex] A_{trapeziod} = \frac{1}{2} ( b_{1}+ b_{2})h[/tex]
so...
A = 1/2(4.9 + 1.5)(4)
A = 1/2(6.4)(4) = [tex]12.8 km^{2}[/tex]

This shape is a trapezoid too.

A = [tex] \frac{a+b}{2} (h)[/tex]
A = [tex] \frac{1.5+4.9}{2} (4) [/tex]
A = 12.8

The area is 12.8 km²

1/3 of birds egg hatch in two eggs hatch how many eggs did the bird lay

Answers

6 eggs because 1/3 is 2.
2/3 is 4.
3/3 is 6.

Hope this helped☺☺

The total number of eggs a bird laid is 6 eggs.

To solve this problem we need to break it down step by step:

Assuming 1/3 of the eggs hatch means 2 eggs hatch, so if two eggs hatch, this represents 1/3 of the total eggs laid.

To find the total number of eggs the bird laid, we need to find the equivalent of 1 whole (the total). If 1/3 is equal to 2 eggs, then the whole (3/3 or 1) would be 6 eggs.

what are the odds against rolling a sum of 6 with the roll of two dice?

Answers

Final answer:

The odds against rolling a sum of 6 with the roll of two dice are 31:5, as there are 5 favorable outcomes for a sum of 6 and 36 total possible outcomes when rolling two dice.

Explanation:

The question is asking about the odds against rolling a sum of 6 with two dice. To calculate this, first, we need to find all the possible combinations of two dice that sum up to 6. Those combinations are (1,5), (2,4), (3,3), (4,2), and (5,1), therefore there are 5 ways to achieve a sum of 6.

The total number of possible outcomes when rolling two dice is 6 * 6 = 36, since each die has 6 faces. So, there are 36 - 5 = 31 ways to not roll a sum of 6. The odds against rolling a sum of 6 are therefore the number of ways not to roll a 6 to the number of ways to roll a 6, which is 31:5.

Odds against rolling a sum of 6 with two dice = 31:5.

30 Points! Please Help!

Answers

All three functions have the same number of x-intercepts

Every single functuon is the same x intercept

Evaluate: f(x) = -2x – 3 for x = -1. A. -5 B. -2 C. -1 D. 5

Answers

A would be your answer because f(x) = -2x - 3 for x = -1 equals -2x - 3, and -2x - 3 would be -5! Brainliest?

A basketball player scores 162 points in 9 games. at this rate, how many points will she score in a 24-game season? answer

Answers

The answer would be 432 points.

162/9 = 18 points per game

18 points x 24 games = 432

What is the length of ST, to the nearest tenth of a yard?

Answers

Let's say that ST is side b
Use the Law of Sines to find side b.
b / sin(B) = a / sin(A)
b / sin(59°) = 7 / sin(79°)
b = (sin(59°) x 7) / sin(79°)
b = 6.112

That is answer B.) 6.1 yards

Hope this helps!

Answer: Second Option is correct.

Step-by-step explanation:

Since we have given that

ΔSRT is a triangle with measures :

SR = 7 yd

∠T = 79°

∠R = 59°

We need to find the side ST say x.

We will use " Law of Sines " :

[tex]\frac{\sin T}{SR}=\frac{\sin R}{ST}\\\\\frac{\sin 79^\circ}{7}=\frac{\sin 59^\circ}{x}\\\\0.14=\frac{\sin 59^\circ}{x}\\\\x=\frac{\sin 59^\circ}{0.14}\\\\x=6.12\ yd[/tex]

Hence, the length of ST = 6.1 yd.

Therefore, Second Option is correct.

What is the sum of 11 feet and 4 yards?
8 yards
15 feet
23 feet
8 yards, 1 foot

Answers

23 feet hope this helps :)

Since there are 3 feet per yard, we multiply 4 by 3 before adding it to 11 ft.

3 × 4 = 12
12 + 11 = 23

The answer is 23 ft.

Hope this helps!

Plz plz help it is due in tomorrow anyone plz

Answers

1. 6/5 or an alternative 1 1/5
2. 3/2 or an alternative 1 1/2
3. 5/33 or an alternative 1 2/3
4. 2 3/5 or an alternative 2 3/5
5. 20/3 or an alternative 6 2/3
6. 49/6 or an alternative 8 1/6
if you have any further question ask away!
hope I helped ;)

At a sale, books are sold at $90.75 each, which is 75 percent of the original price. What is the original price

Answers

[tex] \frac{75}{100} = \frac{90.75}{x} \\ x = \frac{90.75 \times 100}{75} = \frac{9075}{75} = 121[/tex]
the answer is 121

Final answer:

To find the original price of the book, we can set up an equation: 0.75x = $90.75. Solving for x, we find that the original price is $121.

Explanation:

To find the original price of the book, we can set up an equation. Let's denote the original price as x. The sale price is 75% of the original price, which can be expressed as 0.75x. We are given that the sale price is $90.75, so we can set up the equation:

0.75x = $90.75

To solve for x, we divide both sides of the equation by 0.75:

x = $90.75 / 0.75

Using a calculator, we can calculate that the original price of the book is $121.

The formula for the area of a regular polygon is A=1/2ap. What is the equation solved for a?

Answers

I'm pretty sure its this a=A/(1/2p)

Answer:a=2A/p

Step-by-step explanation:

Ernest is purchasing a $175,000 home and is making 20% down payment toward the cost. He is also buying 2 points in order to lower his inteest rate. The appraisal fee is $400, the title is $300, and the processing fee is $575. Including the down payment, what are his total closing costs?

Answers

His total closing costs would be $39775

Answer: 39,075 is the answer

Step-by-step explanation:

A small software company has two customer service representatives.The supervisor of he customer service department determines that there is an 85% probabiiy that a customer sevice representative will e on the phone with a customer at any given time. what is the probability o both representatives being on the the phone at the same time?,

Answers

To find the aggregate probability of two independent events occurring, we multiply the independent probabilities together. So, if the chance of each agent being on the phone is 0.85, then we multiply 0.85*0.85 to find the chance of them both being on the phone. Doing with, we find that there is a 72.25% probability of both of the agents being on the phone simultaneously.

Answer:

The probability that both customer representatives are on the phone at the same time is 72.25%.

Step-by-step explanation:

Consider the provided information.

There is an 85% probability that a customer service representative will be on the phone with a customer at any given time.

There are 2 customer service representatives.

To find the probability that both customer representatives are on the phone at the same time, we multiply the independent probabilities together.

0.85×0.85=0.7225

Hence, the probability that both customer representatives are on the phone at the same time is 72.25%.

Roberto will save 1/6 of his allowance each day. If he gets $2.00a day, about how much money will be save each day? Round your answer to the nearest penny.

Answers

He will save 33.333333 cents per day.

Please Help me !!Q 1,2,3

Answers

The area of a parallelogram is the product of the length of the base and the height measured perpendicular to the base.

1i) (20 cm)*(12 cm) = 240 cm^2

2ii) (7 cm)*(7.5 cm) = 52.5 cm^2

3iii) 27 cm^2 = (6 cm)*h
.. h = (27 cm^2)/(6 cm) = 4.5 cm

Find the simplified form of (-3)^-4

A. 12

B. -81

C. 1/81

D. -1/81

Answers

-3 ^-4 = 1/81

the answer is C

(-3)^-4
= 1 / (-3)^4
= 1/81

answer
C. 1/81

Simplify: 1/3x(6x - 1) A) 5 3 x B)2x - 1 C)2x - 1 3 D)2x2 - 1 3 x

Answers

Multiplying out the expression, you get
2x^2 -(1/3)x . . . . . . matches selection D

Answer is D Use the distributive property to simplify.

What is 2 ¾% in decimal form?

Answers

Hello There!

2 3/4 = 2 + 3/4

2 + ( 3 ÷ 4 )

2 + 0.75 = 2.75

Hope this helped!

The answer is 2 3/4% equals 2.75

I need help with the attached problem. GIVING BRAINLIEST! Thank you!

Answers

As I see it, the key to this problem is finding the dimension of the square DRAG. To do this, we will set up a system of equations.

First let x = the dimension of the squares and y = the congruent sides of the isosceles triangles.

To get our first equation of the system, we look at the statement regarding the perimeter of DRAGONFLIES being equal to 127.. this implies the following equation: 9x + 2y = 127

To get the second equation, we need to know that the perimeter of an isosceles triangle is defined by: P = 2(length of the congruent sides) + base side. Or in our case, 55 = 2y + x

Now our system:
9x + 2y = 127
x + 2y = 55

You can use the substitution method or linear combination to solve this system. If you have questions about how to do that, let me know.

The solution of the system is: x = 9 and y = 23
Recall x = the dimension of each square, so the area of DRAG is 81

This is my best guess at how to do the problem.. :-) Let me know if I can answer any questions.

Which expression is equivalent to -18a^-2 b^5/-12a^-4 b^-6? Assume a=0, b=0.

a- 2a^2 b^11/3
b-2a^2 b^30/3
c-3a^2 b^11/2
d-3a^2 b^30/2

Answers

c. since:
coefficients: 18/-12 = -3/2
exponents of a: -2-(-4)=2
exponents of b: 5-(-6)=11

The required expression is (-3/2)a²b¹¹ which is equivalent to the given expression. which is the correct answer would be option (C)

What is the algebraic expression?

Algebraic expressions are mathematical statements with a minimum of two terms containing variables or numbers.

The expression is given in the question as:

-18a⁻² b⁵/-12a⁻⁴ b⁻⁶

To find the equivalent expression for -18a⁻² b⁵/-12a⁻⁴ b⁻⁶, we need to combine the constants and factors that have the same base and exponent.

You can begin by combining the constants in the fraction: -18/-12 = -3/2.

Next, you can simplify the terms involving the variables. Recall that when you divide two powers with the same base, you subtract the exponents. Therefore, you can simplify the expression as follows:

(-3/2)(a⁻² ÷ a⁻⁴ (b⁵ ÷ b⁻⁶)

= (-3/2)(a⁻⁴ a⁴) (b⁵ b⁶)

= (-3/2)(a²)(b¹¹)

= (-3/2)a²b¹¹

This is the simplified form of the given expression.

Hence, the correct answer would be option (C)

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