the sum of two numbers is 20 one number is four less than the other. find the number​

Answers

Answer 1

Answer:

is it 4 and 12 ?

Step-by-step explanation:

please let me know if it is correct! but i am 96% sure for me answer!


Related Questions

What is 3/5 × 5 1/3 how do you do this problem

Answers

Answer:

3.2

Step-by-step explanation:

3.2 is correct

Suppose a normal distribution has a mean of 26 and a standard deviation of
4. What is the probability that a data value is between 27 and 28? Round your
answer to the nearest tenth of a percent.
A. 10.3%
B. 9.3%
C. 11.3%
D
12.13%

Answers

Answer:

D,p

Step-by-step explanation:

whattttttt ,why is there no option in D

The Probability that a data value is between 27 and 28 is 9.3%.

What is Probability?

Probability is the branch of mathematics concerning numerical descriptions of how likely an event is to occur, or how likely it is that a proposition is true. The probability of an event is a number between 0 to 1,

Here, mean of the data is 26

P(0 ≤ x - μ ≤ σ/2) = 0.195

P(0 ≤ x - μ ≤ σ/4) = 0.0987

P(σ/4 ≤ x - μ ≤ σ/2) = 0.093

Thus, the Probability that a data value is between 27 and 28 is 9.3%.

Learn more about Probability from:

https://brainly.com/question/11234923

#SPJ2

What is the slope of y = - 4X -3

Answers

Answer:

the slope is -4

Step-by-step explanation:

the y intercept is (0,-3)

3s(4+6)^2 is an example of
A. an algebraic equation
B. a numerical expression
c. a numerical equation
D. an algebraic expression

Answers

Answer:

the answer for this is D.

Step-by-step explanation:

it is a combination of letters operations and variables.But it is not equated (=) to something that is why it is not an algebraic equation.It is also not a numerical equation or numerical expression because it does not consist of only numbers.

3s(4+6)² is an example of an algebraic expression.

What is an algebraic expression?

"An algebraic expression is an expression built up from integer constants, variables, and the algebraic operations."

The given expression is:

3s(4+6)²

The given expression is not an equation as it does not contain an equal sign. It is an expression.

Therefore, it is neither algebraic nor numerical equation.

Now, it contains a variable 's'.

Therefore, it is not a numerical expression.

Hence, the given expression is an algebraic expression.

Learn more about an algebraic expression here: https://brainly.com/question/19245500

#SPJ3

Which type of checking account requires a certain amount of money to be
kept in it at all times in order to avoid fees?
A. Minimum balance account
B. Free account
C. Cost-per-check account
Ο Ο
D. Average balance account

Answers

Answer:

the answer is a

Step-by-step explanation:

minimum balance account

Minimum balance account

tính z=(〖(1+i)〗^10-1)/(〖(1+i)〗^10+1)

Answers

It looks like the given complex number is

z = ((1 + i )¹⁰ - 1) / ((1 + i )¹⁰ + 1)

Let w = 1 + i, so we rewrite

z = (w ¹⁰ - 1) / (w ¹⁰ + 1)

Since w * = 1 - i, we get w w * = (1 + i ) (1 - i ) = 1 - (-1) = 2. Multiply z by ((w *)¹⁰ + 1) / ((w *)¹⁰ + 1). This gives

z = (2¹⁰ - 1 + w ¹⁰ - (w *)¹⁰) / (2¹⁰ + 1 + w ¹⁰ + (w *)¹⁰)

Now, writing w in polar form yields

w = √2 exp(i π/4)

==>   w ¹⁰ = (√2)¹⁰ exp(i 10π/4) = 2⁵ exp(i 5π/2) = 2⁵ i

Similarly,

w * = √2 exp(-i π/4)

==>   (w *)¹⁰ = -2⁵ i

So we have

w ¹⁰ + (w *)¹⁰ = 0

w ¹⁰ - (w *)¹⁰ = 2 × 2⁵ i = 2⁶ i

Then we end up with

z = (2¹⁰ - 1 + 2⁶ i ) / (2¹⁰ + 1) = (1023 + 64i ) / 1025

7(5f-3n)-8 use n=3 and f=7​

Answers

Answer:

174

Step-by-step explanation:

plug all of the variables in first

7(5(f) - 3(n)) - 8

7(35 - 9) - 8

7(26) - 8

182 - 8

174

Answer:

174

Step-by-step explanation:

7(5f-3n)-8

n=3 f=7

7(5*7 - 3*3) -8

Parentheses first

Multiply inside

7(35 - 9) -8

Subtract inside the parentheses

7(26) -8

Multiply

182-8

Subtract

174

100 points Which expression represents the following calculation?

Subtract 32 from the product of 48 and 15.
A. 32 – (48 × 15)
B. (48 – 15) × 32
C. (48 × 15) – 32
D. 32 × (48 – 15)
Please quick

Answers

Answer:C

Step-by-step explanation: you have to multiply first than subtract because it says subtract 32 FROM the product meaning multiplying comes first than subtract

HOW CAN STATISTICS BE USED TO COMPARE DATA SETS?

Answers

Answer:

i don't think you can compare statistics to data sets.

Step-by-step explanation:

Answer:

It can by being compared by using averages, box plots, the interquartile range and standard deviation.

You're welcome.


HELP ME MATCH THESE PLEASEEEEE I DONT WANNA FAIL SUMMER SCHOOL NO LINKS OR FILES PLEASE

Answers

Answer:

-4 + 8 = 4

5 - 8 = -3

8 + (-5) = 3

-7 + 5 = -2

-5 + 4 = -1

Find the 7th term of the sequence

1, 4, 16, 64,...



28

16,384

4096

2401

Answers

Answer:

3rd option, 4096

Step-by-step explanation:

4⁰ = 1, 1st term

4¹ = 4, 2nd term

4² = 16, 3rd term

.

.

.

4⁶ = 4096, 7th term

Answered by GAUTHMATH

PLEASE HELP ME FIND THE AREA

Answers

81 square centimeters

Explanation:
Use this formula- a + b ÷ 2 x h
h is the height
A and b are the two bases

8 + 10 ÷ 2 x 9 = 81

Unit of measurement: square centimeters

MARK ME BRAINLIEST TYSM! Have a nice day
81 square centimeters

It is believed that students who begin studying for final exams a week before the test score differently than students who wait until the night before. Suppose you want to test specifically that students who study earlier have an average score that is less than the average score for students who wait to study. What are the hypotheses for this test if early studiers are group 1 and procrastinators are group 2

Answers

Answer:

H0 : μ1 = μ2

H0 : μ1 < μ2

Step-by-step explanation:

Given :

Early studiers, group 1, mean μ1

Late studiers, group 2 ; mean, μ2

To test the claim that students who study earlier have an average score that is less than the average score for students

The null hypothesis ; there is no difference in average score

H0 : μ1 = μ2

Alternative hypothesis is early studiers means is less than average score of late studiers

H0 : μ1 < μ2

Can someone be able to help me please???

Answers

9514 1404 393

Answer:

  A. Nonlinear function

Step-by-step explanation:

No vertical line intersects the graph in more than one place, so it is a function (not a "relation").

The graph is not a straight line, so is not a linear function. It is a nonlinear function.

Answer:

nonlinear function

Step-by-step explanation:

A linear function is a straight line, a nonlinear function is a curved line, and a relation is a relationship between two points on a graph, such as an equation.

A line is defined by the equation y = two-thirds x minus 6. The line passes through a point whose y-coordinate is 0. What is the x-coordinate of this point? A coordinate plane.

Answers

Answer: its 9

Step-by-step explanation: just took the test lol

Which value in this data set is an outlier?

4, 5, 1, 7, 4, 5, 8, 9, 6, 5, 4, 9, 7

Answers

Answer:

1

Step-by-step explanation:

Hope this helps!

Have a lovely day!

(sorry if its wrong i'm bad at math)

Answer:

#1 is the outlier

Step-by-step explanation:

If f(x) = 2x2 + 2 and g(x) = x2 - 1, find (f - g)(x)I
A. 3x2 + 1
B. x + 1
C. x2 + 3
D. 3x2 + 3

Answers

9514 1404 393

Answer:

  C. x^2 + 3

Step-by-step explanation:

Substitute for f(x) and g(x) and simplify.

  (f -g)(x) = f(x) -g(x)

  (f -g)(x) = (2x^2 +2) -(x^2 -1) = 2x^2 +2 -x^2 +1

  (f -g)(x) = x^2 +3

A book with 53 pages numbered 1 to 53 has its pages renumbered in reverse, from 53 to 1. For how many pages do the new page number and old page number share the same units digit?

Answers

Answer:

Page number 27 is the one whose order has not changed

Step-by-step explanation:

Answer:

11

Step-by-step explanation:

Each page is assigned two numbers. We can generalize the numbers assigned to page x to be the pair x and 54-x for 1 ≤ x ≤ 53. That is, if x = 1, then we can see that page number one is assigned the numbers 1 and 54-1 = 53. It is fairly easy to see that the unit digits of x and 54-x will only be the same if x has a unit digit of 2 or a unit digit of 7. Thus, we simply must count how many such x there are between 1 and 54. Possibilities for x are 2, 7, 12, 17, 22, 27, 32, 37, 42, 47, and 52. Therefore, there are 11 such pages. (Got from AoPS Alcumus Problems)

Howard solved 6 math problems in 16 minutes.

Going at the same speed, how much time would he spend solving 30 problems?

A.
80 minutes
B.
120 minutes
C.
70 minutes
D.
100 minutes

Answers

I would say that A 80 minutes seems the correct answer
6 problems in 16 minutes is equal to 30 problems in 80 minutes. Hope this answers your question

Find the vertex form of the quadratic function by completing the square

F(x) = x^2 -24x

Answers

Answer: the vertex is (12,−144)

Step-by-step explanation:

Differentiate 4^xlnx

Answers

If you mean

[tex]\dfrac{\mathrm d}{\mathrm dx}\left[4^x\ln(x)\right][/tex]

then first write [tex]4^x=e^{\ln(4^x)}=e^{\ln(4)x}[/tex]. Then by the product rule,

[tex]\dfrac{\mathrm d}{\mathrm dx}\left[4^x\ln(x)\right] = \ln(4)e^{\ln(4)x}\ln(x) + \dfrac{e^{\ln(4)x}}x = \ln(4)4^x\ln(x)+\dfrac{4^x}x=\dfrac{4^x}x\left(\ln(4)x\ln(x)+1\right)[/tex]

If you instead mean

[tex]\dfrac{\mathrm d}{\mathrm dx}\left[4^{x\ln(x)}\right][/tex]

you can again rewrite [tex]4^{x\ln(x)} = e^{\ln\left(4^{x\ln(x)}\right)}=e^{x\ln(x)\ln(4)}[/tex]. Then by the chain and product rules,

[tex]\dfrac{\mathrm d}{\mathrm dx}\left[4^{x\ln(x)}\right] = e^{x\ln(x)\ln(4)}\ln(4)\left(\ln(x)+1\right) = 4^{x\ln(x)}\ln(4)(\ln(x)+1)[/tex]

Will Mark Brainlest. find the empherical probabilty of
(a).getting 3
(b).getting less than 4
(c).getting 5​

Answers

Step-by-step explanation:

P= number of favorable outcomes / Number of possible outcomes

(a) Getting 3

P(3)

=18/100

=9/50

=0.18

(b) Getting less than 4

P(1) +P(2) +P(3)

=20/100+15/100+18/100

=(20+15+18)/100

=53/100

=0.53

(c) Getting 5

P(5)

=14/100

=0.14

Brainliest~please

Dale is following this recipe to make shortbread fingers.
Dale uses 100 g of butter.
How many shortbread fingers does he make? Recipe: Makes 20 fingers
125 g butter
55 g sugar
180 g flour​

Answers

Answer:

You need the recipe to solve for the answer

10 ft
8 ft
Find the perimeter of this figure to
the nearest hundredth. Use 3.14 to
approximate a.
P = [?] ft

Answers

Answer:

P = 40.56 ft

Step-by-step explanation:

The figure is composed of a rectangle and half circle

The perimeter of the figure = the length of the borders round the figure

= W + 2L + ½(perimeter of full circle)

W = 8 ft

L = 10 ft

½(perimeter of circle) = ½(πd) = ½(3.14*8)

= 12.56 ft

Plug in the values

Perimeter of the figure = 8 + 2(10) + 12.56

= 8 + 20 + 12.56

= 40.56 ft

Solve -3(2-5w)=9w+66 for w

Answers

Answer:

w = 12

Step-by-step explanation:

-3(2-5w) = 9w + 66

Complete the parenthesis:

-6 + 15w = 9w + 66

Switch the numbers and group them with like terms;

15w - 9w = 66 + 6

6w = 72

w = 12

Check answers if you want to be sure

Pls can you help with number 5 and 6

Answers

The answer to number 5 216 I am sorry if it is wrong

Which expression is equivalent.

Answers

Option A is the correct answer

Answer:

ok so the correct answer is A!

Step-by-step explanation:

hope it helped!

have a nice day.

PLEASE PLEASE HELP IM RLLY STRUGGLING HERE

Create a factorable polynomial with a GCF of 6. Rewrite that polynomial in two other equivalent forms. Explain how each form was created.

Answers

Answer:

Answer: the equivalent form of 6(2x+3x+10) are 12x+18x + 60 and 30x+60.

Step-by-step explanation: Create a factorable polynomial with a GCF of 6. GCF is 6. ...

12x+18x + 60 is one of the equivalent form of 6(2x+3x+10) To get another equivalent form we combine like terms. ...

30x + 60 is the equivalent form of 6(2x+3x+10)

Step-by-step explanation:

hope it's helpful to you, please mark me brainliest

what is 4x^2-1/ (x+4) (2x-1) simplified

Answers

Answer:

:)

Step-by-step explanation:

[tex]\frac{4x^2 - 1}{(x+4)(2x-1)} = \frac{(2x)^2 - (1)^2}{(x+4)(2x-1)}[/tex]

                 [tex]=\frac{(2x-1)(2x+1)}{(x+4)(2x-1)}\\\\=\frac{2x+1}{x+4}[/tex]

Answer:

i don't know

Step-by-step explanation:

it is very hard

sorry !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!

The points plotted below are on the graph of a polynomial. Some of the roots to this polynomial are integers. Which of the following x-values are roots of the polynomial? Check all that apply.​

Answers

Answer:

I think its B but I have very little evidence. Don't even put B but I was just saying I think it is.

Step-by-step explanation:

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