In a standard Normal distribution, which z-score represents the 20th percentile?
Find the z-table here.
-1.41
-0.84
0.84
1.41

Answers

Answer 1

Answer: B

Step-by-step explanation:

e2020


Related Questions

Of the students in the marching band, 55%
plan to go to the school dance. If there are
110 students in the marching band that are
going to the dance, how many students
are in the marching band?

Answers

The answer is 200 because when you divide 110 from 55% you get 200.

Of the students in the marching band, 55% plan to go to the school dance, so there are 200 students in the marching band.

What is Percentage?

A certain portion or amount in every hundred is referred to as a percentage. The fraction is denoted by the sign "%," and its denominator is 100.

The Latin word "per centum," which means "by the hundred," is where the word "percentage" originally came from. With 100 as the denominator, percentages are fractions. To put it another way, it's the relationship between a component and a whole in which the value of the whole is always assumed to be 100.

From the given values in the question,

Assume that total number of students in marching band is x.

55% of x = 110 or,

(55/100) × x = 110

x = (110 × 100) / 55

x = 200.

Hence, it concludes that there are total 200 students are in the marching band.

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Determine the intercepts of the line
X-intercept: (__ , __)
Y-intercept: (__, __)

Answers

Answer:

x-intercept (0.3,0)

y-intercept (0,0.4)

Step-by-step explanation:

The line crosses the Y axis at a height of o.4 and an x value of 0

the x axis is crossed at a distance of 0.3 and a height of 0

I was 6 my sister was half my age. I am 30 how old is she

Answers

Answer:

I think its 27.

Step-by-step explanation:

If they were 6 and her sister was half her age her sister would be 3. That means her sister is 3 years younger than they are. So if they are 30 all you do is 30 - 3 and you get your answer 27.

Hope this helps!

What is the y-intercept of y = 3 - 4x?

A: (0,3)
B: (3,0)
C: (-4,0)
D: (0,-4)

Answers

A is the right answer

simplify this please


7^x ÷ 7^y

Answers

Answer:

[tex]\huge\boxed{7^{x-y}}[/tex]

Step-by-step explanation:

We can use basic exponent rules to simplify this expression.

We know that [tex]a^b \div a^c = a^{b-c}[/tex].

Since we have the same base (7) and different exponents (x, y), we can subtract the exponents and raise the base to that power.

[tex]7^{x-y}[/tex]

Hope this helped!

is -z+10.54 a linear expression???

Answers

yes it is a linear expression

Give the Quadratic function x^2+4x-2 if x is -3

Answers

Answer:

-23

Step-by-step explanation:

You're welcome :)

-3^2 + 4(-3) - 2
9 + (-12) - 2
9 - 12 - 2
-5

Two pounds of ground beef will make 12 cups of chili. How many pounds of ground beef will Rashad need if he wants to make 18 cups of chili?

Answers

Answer:

Oh thats EZ

Step-by-step explanation:

He will need {3 POUNDS} to make 18 cups of chilli

Brainlist ??

The ordered pairs below represent a relation. Is the relation a function? (4,6) (5,6) (6,7) (7,8)

Answers

Answer:

no because two inputs have the same outputs

Step-by-step explanation:

Please help I don't understand!!!!!!

Answers

Answer:

X-3

Step-by-step explanation:

The graph shifted 3 units to the left so you subtract from the x value.

what is 4/3 divided by 5/3

Answers

Answer:

4/5

Step-by-step explanation:

4/3 ÷ 5/3

Copy dot flip

4/3 * 3/5

Rewriting

4/5 * 3/3

4/5

Answer:

Step-by-step explanation:

The answer is 0.8

Frog and Toad decided to meet. Their houses are 120 ft apart. They start hopping towards each other at a speed of 2 ft/min and 3 ft/min, respectively. How long it will take until they are going to be 5 feet apart?

Answers

Answer:

23

Step-by-step explanation:

IF YOU CAN HELP ME I WILL LITERALLY BE SO HAPPY AND ILL FAV U TO GET SO MANY POINTS

THE WATER COMPANY INSTALLED A 40 YARD DIAGONAL BRACE ON A WATER TOWER BETWEEN TWO VERTICAL BEAMS THAT ARE 12 YARDS APART. DETERMINE THE HEIGHT OF EACH VERTICAL BEAM.

Answers

Answer:

120 yatds

Step-by-step explanation:

The height of each vertical beam is approximately 38.16 yards.

Why might you need to use the addition or subtraction property of equality more than once after you have used the distributive property and combined like terms?​

Answers

Answer:

If there is a variable term and a constant on each side of the equation, then you will need to use the addition or subtraction property of equality once to isolate the variable term and once to isolate the constant.

Which pair of ratios is equivalent?
O A. 4:6 and 12:18
O B. 2:3 and 4:8
O C. 3:5 and 6:15
O D. 7:10 and 8:12

Answers

Answer:

A

Step-by-step explanation:

Both ratios simplify down to 2:3

Answer: 4:6 and 12:18

Step-by-step explanation:

Just took the test

I need help plzz What is m 50*
35*
130*
95*

Answers

Answer:

50

Step-by-step explanation:

The measure of the angle ∠A will be 50°. The correct option is A.

What are lines and angles?

Straight lines with little depth or width are present. You will learn about a number of lines, including transversal, intersecting, and perpendicular lines. A figure called an angle is one in which two rays originate from the same point. In this area, you could also encounter contrasting and related viewpoints.

Given that the two angles are 85 and 145. The internal angles will be calculated as,

180 - 85 = 95

180 - 145 = 35

The angle A will be calculated as below,
∠A = 180 - 35 - 95

∠A = 50°

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What is the standard form of the equation of a line that passes through
(2,0) and (0,-5)?

Answers

(5,1) I think that’s it

Andrew paid for his burger with a 20% off coupon. If he paid $10 for his burger, what was the original price?

Answers

Answer:

20% off means that you subtract 20% of the price of the burger.

If the burger is $10, how much is 20% of that? If you subtract that amount, what do you get as the final price?

Step-by-step explanation:

Solve the formula for R:
PV = nRT

Answers

the answer is
r = pt/nT

Pls help 10th grade math

Answers

Answer:

B

Step-by-step explanation:

each side is corresponded to the other so Q=U and P=S

The correct option for the congruency of triangle by using ASA congruent theorem is,

⇒ ∠Q ≅ ∠T

We have to given that,

Two triangles PQR and STU are shown in figure.

Now, We have;

⇒ PQ ≅ ST

⇒ ∠P ≅ ∠S

To show the congruency of triangle by using ASA congruent theorem, we need;

⇒ ∠Q ≅ ∠T

As, PQ = ST

Therefore, The correct option for the congruency of triangle by using ASA congruent theorem is,

⇒ ∠Q ≅ ∠T

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What is 1/4g(5+3)−4g+13

Answers

Answer:

simplify to -2g+13

Step-by-step explanation:

Create a code that will look at a single letter input. If the letter is a vowel, return the message "your letter is a vowel". Otherwise, return "your letter is a consonant."

Make sure that the code is in python. I will give brainliest to whoever answers the quickest. Thank you.

Answers

input=(“Enter a Letter ”)
if input = “a”, “e”, “i”, ”o”, ”u”
print(“You letter is a vowel”)

Need help with this question plz help me

Answers

7/15-
There are 15 tiles in total. Three of them are yellow and four of them are green.

You add 3+4, and get 7. You put 7 over the total amount of tiles in the bag, which leads to 7/15.

Answer:

7/15

Step-by-step

The total amount of tiles is 15, then the total number of green and yellow tiles is 4 +3 = 7. Which means that the probability that you will get green or yellow tiles is the toltal amount of tiles of green and yellow tiles combined which is 7, compared to the total number of all tiles which is 15

7/15

i will give brainliest solving x

Answers

Answer:

6

Step-by-step explanation:

Which of the four is it? ​

Answers

Answer:

option 1 i believe

Step-by-step explanation:

just worked it out

i hope this is right and helps <3

What is 50000000000 + 500000000000

Answers

Answer:

1,000.000,000,000

Step-by-step explanation:

Answer:

free

Step-by-step explanation:

the sum of a rational number and a irrational number

Answers

Answer: The sum of rational and irrational number is always irrational...

Answer:

When both rational and irrational numbers are written in decimal form, rational numbers can be written as finite decimals and infinite recurring decimals, such as 4=4.0, 4/5=0.8, 1/3=0.33333... and irrational numbers can only be written as infinite non-recurring decimals, such as √ 2=1.414213562…………According to this point, people define irrational numbers as infinite non-recurring decimals. 2. All rational numbers can be written as the ratio of two integers; irrational numbers cannot.

(Rational number): A number that can be accurately expressed as the ratio of two integers.    Such as 3, -98.11, 5.72727272..., 7/22 are all rational numbers.    Integers and fractions are all rational numbers. Rational numbers can also be divided into positive rational numbers, 0 and negative rational numbers.    Irrational numbers refer to infinite and non-recurring decimals such as: π   ·The difference between irrational and rational numbers:    1. When both rational and irrational numbers are written in decimal form, rational numbers can be written as finite decimals and infinite cyclic decimals.    For example, 4=4.0, 4/5=0.8, 1/3=0.33333... and irrational numbers can only be written as infinite and non-cyclic decimals.    For example, √2=1.414213562…………According to this point, people define irrational numbers as infinite and non-cyclic decimals.   2, all rational numbers can be written as the ratio of two integers; irrational numbers cannot. Based on this, some people suggested that irrational numbers should be removed from the "irrational" hat, and rational numbers should be called "comparative numbers" and irrational numbers should be called "irrational numbers". Originally, irrational numbers are not unreasonable, but people don't know much about it at first.   Using the main difference between rational and irrational numbers, we can prove that √2 is irrational.   Proof: Assume that √2 is not an irrational number, but a rational number.Since √2 is a rational number, it must be written as the ratio of two integers: √2 = p / q Since p and q do not have a common factor to be reduced, p / q can be considered to be the reduced fraction, the simplest form of fraction. Put √2 = p / q squared on both sides Get 2 = (p ^ 2)/(q ^ 2) Is 2 (q ^ 2) = p ^ 2 Since 2q ^ 2 is an even number, p must be an even number, so set p = 2m From 2 (q ^ 2) = 4 (m ^ 2) Get q ^ 2 = 2m ^ 2 Similarly, q must be an even number, let q = 2n Since p and q are both even numbers, they must have a common factor of 2, which contradicts the previous assumption that p/q is a reduced fraction. This contradiction is caused by the assumption that √2 is a rational number. Therefore √2 is an irrational number.

.

What is the midpoint of 50 and 49

Answers

50+49=99
99/2=50.5

So the midpoint is 50.5

You could also just figure out which number is in the middle of those two which is also 50.5

The Midpoint between 50 and 49 is 49.5

What is Midpoint?

The exact middle point between two numbers is referred to as the midpoint. By adding the two numbers together and then dividing the result by two, we can determine the midway of the two supplied values. It is the two numbers' average.

Given:

First number= 50

and second number= 49

So, the Midpoint between 50 and 49

= First number + second number/2

= 50+ 49 / 2

= 49.5

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write the equation to solve for x 3x + 21 6x - 60 please help i was given 3x+21=6x-60 thats wrong can someone please help richard u are amazing wish i could message u u can me​

Answers

Answer:

3x + 21 = 6x - 60

Step-by-step explanation:

parallel angles are equal

3x + 21 = 6x - 60

combine similar terms:

3x - 6x = -60 - 21

-3x = -81

x = 81/3

x = 27

now, plugin the value of x=27 back into the equation to get the angle:

= 3x + 21

= 3(27) + 21

= 102

= 6x - 60

= 6(27) - 60

= 102

as you noticed, both values are equal 102 = 102 because its a parallel angles

 

so the equation is 3x + 21 = 6x - 60

================================

i am pretty sure its correct.

Would be great if I could get this answer, thank you:)

Answers

Answer:

160

Step-by-step explanation:

Find the area of the base

10 × 8 = 80

Multiply the height

80 × 6 = 480

then the the pyramid prism takes 1/3 so...

we then multiply 480 by 1/3

480 × 1/3 = 160

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