The difference of a number and 4 is 9

Answers

Answer 1

Answer:

5 maybe

Step-by-step explanation:

when speaking in difference, it's usually talking about subtraction! so when written down your problem would look like : x - 4 = 9 .  (x=5)


Related Questions

3x + 4y - 2x + 10y please I need help

Answers

Answer:

x+14y

Step-by-step explanation:

Collect like terms. It simplifies into x+14y

I need help in 7th grade math

Answers

Answer:

27

Step-by-step explanation:

first, you multiply:

6×7-3(4+1)

42-3(4+1)

now add:

42-3(4+1)

42-3×5

Multiply again:

42-3×5

42-15

calculate:

42-15=27

[tex] \huge \boxed{\mathfrak{Question} \downarrow}[/tex]

[tex] \large\sf \: 6 \cdot 7 - 3 ( 4 + 1 )[/tex]

[tex] \large \boxed{\mathfrak{Answer \: with \: Explanation} \downarrow}[/tex]

[tex] \large\sf \: 6 \cdot 7 - 3 ( 4 + 1 )[/tex]

Multiply 6 and 7 to get 42.

[tex] \large \sf42-3\left(4+1\right) [/tex]

Add 4 and 1 to get 5.

[tex] \large \sf42-3\times 5 [/tex]

Multiply 3 and 5 to get 15.

[tex] \large \sf42-15 [/tex]

Subtract 15 from 42 to get 27.

[tex] \large \boxed{\boxed{\boxed{ \mathfrak{ \bold{27} \: is \: the \: correct \: answer}}}}[/tex]

When having parentheses in a math problem do they come first?

Answers

When you have parentheses in a mathematical expression, they indicate that you need to do what is inside of them first. This is actually true for any grouping symbol. You do what is grouped together first.

The parentheses themselves aren’t doing something, other than saying “Do whatever’s in me first.”

The average walking speed of a person is 4.8 kilometer per hour . Estimate the number of kilometer you could walk in 3 hours

Answers

Answer:

14.4 kilometers, not an estimate tho

3. Diya's chances of winning the game are
only 40%.
Express this as a probability fraction.

Answers

Answer:

2/5

Step-by-step explanation:

40% as a fraction is 4/10, when this fraction is simplified, it ends up as 2/5.

The  probability of the event that Diya's chance of wining the game is 0.4 or 2/5.

What is probability of an event?

The probability of an event is the chance of happening that particular event.

Let, Diya can play a game 100 times.

Therefore, the number of times she can win the game is 40.

Let, D = the event that Diya is participating in the game.

Therefore, the probability that Diya will win the game is

[tex]= P(D)\\= \frac{40}{100}\\ = \frac{2}{5}\\ = 0.4[/tex]

Learn more about probability of an event here: https://brainly.com/question/22478862

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Which number is the best approximation for π/3 : 1, 1.03, 1.05, or 1.07?​

Answers

Answer:

1,05

Step-by-step explanation:

9514 1404 393

Answer:

  1.05

Step-by-step explanation:

The relative errors are ...

1 : -4.5%1.03 : -1.6%1.05 : +0.3%1.07 : +2.2%

Of these choices, the best approximation is 1.05.

_____

A very good rational approximation of π is 355/113, which has a relative error of about 0.0000085%. This makes 355/339 a good approximation of π/3.

The relative error in the value n is ...

  (3n/π -1) × 100%

Solving one step equation x/10=3

Answers

Answer:

30

Step-by-step explanation:

X = 3 × 10

x = 30

Mark me brainlist

If f(x) = 3x - 4 and g(x)=x?, find the value of
f(3) - g(2)

A) 4

B) 9

C) 1

D) 7

Answers

Answer:

C) 1

Step-by-step explanation:

f(x) = 3x - 4 when x = 3

= 3(3) - 4

= 9 - 4

= 5

g(x) = x^2 when x = 2

= 4

Subtract both values.

5 - 4 = 1

Best of Luck!

Mr. Roper has eight teams of students in his debate class. Their grades on the last debate assignment are denoted by the set {99, 72, 86, 80, 96, 87, 79, 87). Which 5-number
summary represents the data set? (2 points)
A {72, 79, 86, 96, 99)
b {72, 79.5, 86.5, 91.5, 99}
c {72, 79, 83, 87, 96)
d {72, 79, 86, 87, 96)

Answers

Answer:

{72, 79.5, 86.5, 91.5, 99}

Step-by-step explanation:

I took the quiz and got it correct.

Minimum is 72

Maximum is 99

Q1 is 79.5

Q3 is 91.5

Median is 86.5

So the 5-number summary is {72, 79.5, 86.5, 91.5, 99}

Lucy took a taxi from her house to the airport. The taxi company charged a pick-up
fee of $3.80 plus $3 per mile. The total fare was $39.80, not including the tip. Write
and solve an equation which can be used to determine x, the number of miles in the
taxi ride.

Answers

Its could be x= 39.80 divided by 3 to determine the number of miles. If it asks to include the fee it’d be x= 39.80 divided by 3 + 3.80 Hope that helped :)

Answer:

if you do 39.80/3 it would give you 13.2667 miles and since the tip was not added thats when you dont do anything with that number and 3 because every mile you pay 3$

Step-by-step explanation:

Thank you for all the help

Answers

Base=7

Answer:

15½² +b²=8²

15+b²=64

b²=49

b=7

Does the following represent a function?
f = [ (3, -1), (2, 5), (4, -6), (3, 4), (5, -8) ]

Answers

Answer:

Not a function

Since x= produces y- -1 and y=-4, the relation (3,-1),(2,5),(4,-6),(3,4),(5,-8) is not a function.

!!!!please help i’m so confused

Answers

Answer:

52

Step-by-step explanation:

Answer:

total Area= 168, Permiter= 42

Step-by-step explanation:

correct me if I'm wrong


Which set of three numbers could be the side length of a triangle. A) 5,5,10 B) 3,3,8 C) 5,5,14 D) 3,3,2

Answers

Answer:

B, C

Step-by-step explanation:

Chow,...!

which of the list shows number below in order from least to greates t? -5.9, -23/4, 5.78, 58%​

Answers

Answer:

-5.9, -23/4, 58%, 5.78

Step-by-step explanation:

Answer:

-5.9, -23/4, 58%, 5.78

Step-by-step explanation:

15) Darla's marching band needs money to travel to a competition. Band
members have raised $580. They need to raise a total of $1660. Write
and solve an equation to find how much more they need.

Answers

Step-by-step explanation:

$1660-$580= $1,080

Answer:

1660 minus 580

Step-by-step explanation:

they have already raised 580. so get 1660 is to subtract 1660 to 580

Help Please For Math Class

Answers

Answer:

the answer is B D and A.

Step-by-step explanation:

(ignore) hshehshsnebajjsjanananahabsn

HELP ASAP: I WILL MARK BRAINLIEST SOMEONE PLEASE HELP!!

Answers

Answer:

Step-by-step explanation:

Please see the picture below

Hello so can someone help me with this problem. My teacher doesn't explain it very well </3​

Answers

[tex] t= 50 + \frac{n - 4}{4} [/tex]

switch sides

[tex]50 + \frac{n - 4}{4} = t[/tex]

subtract 50 from both sides

[tex]50 + \frac{n - 4}{4} - 50 = t - 50[/tex]

simplify

[tex] \frac{n - 4}{4} = t - 50[/tex]

simplify

[tex] \frac{n - 4}{4} = t - 50[/tex]

multiply both sides by 4

[tex]4 \frac{(n - 4)}{4} = 4t - 4 \times 50[/tex]

simplify

[tex]n - 4 = 4t - 200[/tex]

add 4 both sides

[tex]n - 4 + 4 = 4t - 200 + 4[/tex]

[tex] n = 4t - 196[/tex]

After how many years are the salaries offered by Company A and Company B the same?

The salaries for Company A and Company B will be the same after _____
years.

Answers

Answer:

Step-by-step explanation:

24,000 = 24 thousands

30,000 = 30 thousands

3,000 = 3 thousands

2,4000 = 2.4 thousands

"x" years

24 + 3x = 30 + 2.4x

3x - 2.4x = 30 - 24

0.6x = 6

x = 10 years

Find the area of the triangle

Answers

9514 1404 393

Answer:

  D.  72sin(α)cos(α)

Step-by-step explanation:

Given two sides and the angle between, the area of a triangle can be found from the formula ...

  Area = (1/2)ab·sin(C)

Here, that translates to ...

  Area = (1/2)(12)(y)sin(α)

Using the trig relation ...

  Cos = Adjacent/Hypotenuse

we can find y:

  cos(α) = y/12

  y = 12·cos(α)

__

Substituting this into the area calculation above, we have ...

  Area = (1/2)(12)(12·cos(α))sin(α)

  Area = 72sin(α)cos(α)

is the square root of 81 an integer number

Answers

Answer:

yes it is a integer number.

Find the area of this figure. round your answer to the nearest hundredth.

Answers

Answer:

The area of the figure is 49.12ft² (nearest hundredth)

Step-by-step explanation:

The area of the figure is the sum of the areas of the right triangle and semi circle that make up the figure.

Note that the radius of a circle is twice its diameter

That means, the radius of the semi-circle is 4 feet

Area of the triangle = 1/2 x Base X Height = 1/2 x 6 ft x 8 ft =24 ft²

Area of the semi circle = 1/2 πr² = 1/2 x 3.14 x 4² = 25.12 ft²

Hence, the area of the figure is:

24 ft² + 25.12 ft² = 49.12 ft²

Simplify:

4(5y+9)


56y

9y + 13

20y + 36

I don't know.

Answers

Answer:

20y + 36

Step-by-step explanation:

Distribute the 4 to everything in the parenthesis (multiply).

4 x 5y = 20y

4 x 9 = 36

The solution of the expression 4(5y + 9 ) will be 20y + 36. The correct option is C.

What is an expression?

Expression in maths is defined as the collection of numbers variables and functions by using signs like addition, subtraction, multiplication, and division.

Numbers (constants), variables, operations, functions, brackets, punctuation, and grouping can all be represented by mathematical symbols, which can also be used to indicate the logical syntax's order of operations and other features.

The expression 4(5y+9) will be solved as below:-

E = 4 ( 5y+9 )

E = 20 y + 36

Therefore, the solution of the expression 4(5y + 9 ) will be 20y + 36. The correct option is C.

To know more about an expression follow

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What is [tex]|x-6|[/tex] given that [tex]x \geq 6[/tex]

Answers

Answer:

[tex]\mid x-6 \mid \geq 0[/tex]

Step-by-step explanation:

We have two options for x; it is either 6 or greater than 6:

If [tex]x=6\\[/tex], [tex]\mid x-6 \mid = \mid 6-6 \mid = \mid 0 \mid = 0\\[/tex].

If [tex]x > 6[/tex], [tex]\mid x-6 \mid > \mid 6-6 \mid[/tex] => [tex]\mid x-6 \mid > 0[/tex].

(for example, if [tex]x=7\\[/tex], [tex]\mid x-6 \mid = \mid 7-6 \mid = \mid 1 \mid = 1 > 0[/tex])

So, [tex]\mid x-6 \mid = 0[/tex] or [tex]\mid x-6 \mid > 0[/tex]; [tex]\mid x-6 \mid \geq 0[/tex].

Find the lest number which is exactly divisible by 36 & 90 Maths ​

Answers

Answer:

180

Step-by-step explanation:

You need to find the HCF of 36 and 90.

Prime factors of each:

36 = 2*2*3*390 = 2*3*3*5

HCF includes all prime factors of both numbers:

HCF(36, 90) = 2*2*3*3*5 = 180

To find the least number,

Which is exactly divisible by 36 and 90. We have to find the HCF of 36 and 90.

→ 36 = 2 × 2 × 3 × 3

→ 90 = 2 × 3 × 3 × 5

Then the required HCF will be,

→ 2 × 2 × 3 × 3 × 5

→ 180 (HCF)

Thus, 180 is the least number which is exactly divisible by 36 and 90.

Solve: |x+2|−1≥5. Write your solution in interval notation.

Answers

nswer:

Step-by-step explanat

|x+2| - 1 ≥ 5

  |x+2|  ≥ 5+1

 |x+2|  ≥ 6

 x+2 ≥ 6 hoặc x+2 ≤ -6

+ với x+2 ≥ 6  x ≥ 6 – 2   x ≥ 4

+ với x+2 ≤ -6  x ≤ -6 – 2  x ≤ -8

(-∝;-8)∪(4;+∝)

an airplane travels 3269 miles in 4 hours. what is the airplanes average speed?

Answers

Answer:

817.25 mph is the plane's avg speed

Step-by-step explanation:

Average speed is MPH (miles per hour)

SInce the plane travels 3269 miles in 4 hours, find the unit rate

[tex]\frac{3269}{4}[/tex]

Divide by 4

817.25 mph is the plane's avg speed

Solve the equation and check.
5
n-3 n +5
+
4 7
14
..
Select the correct choice below and, if necessary, fill in the answer box to complete your choice.
O A. The solution is
(Simplify your answer.)
O B. The solution is all real numbers.
O C. There is no solution.

(Answer quickly)

Answers

Answer: the solution is [tex]n=\frac{51}{11} \\\\\\n=4\frac{7}{11} \\\\n=4.63[/tex]

i gave you the decimal and improper fraction

Step-by-step explanation:

Mutiply both sides by 28

7(n-3)+4(n-5)=10

distribute the 7

7n-21+4(n-5)=10

distribute the 4

7n-21+4n-20=10

combine like terms

11n-21-20=10

11n-41=10

11n-51

n=51/11

Calculate work by parts. 5x2-23)​

Answers

Answer:

10-23= -13 is the answer

Answer:

think -13 is the answer

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