Mathematics High School

If 4 × 5 = 20, then 20 ÷ 4 equals what number?

Answers

Answer 1

Answer:

20 ÷ 4 = 5

(Brainliest please! :D)

Answer 2

Answer:

Step-by-step explanation:

See how I put five 4 times? Multiply 5 by 4 and you get 20. 20 divided by 4 equals 5. Just like how 20 divided by 5 equals 4. You just flip it.

Related Questions

Is parallelogram BCDE a rectangle?

Answers

No, all lines should be equal considering that rectangles have 4 of the same right angles

Which of the following correctly completes the square for: x^2+2x=48

A. (x+2)^2=52
B. (x+1)^2=49
C. (x+2)^2=47
D. (X-1)^2=26

Answers

Answer:

(x+1)²= 49, the answer is B

Step-by-step explanation:

x² + 2x = 48

x² + 2x + (2/2)² - (2/2)²= 48 --[what we are trying to do is to complete a square by adding (2/2)² - (2/2)²]

(x+1)²= 49, the answer is B

Answer:

hey I'm pretty sure it's B. (x+2)²=49

Step-by-step explanation:

x²+2x+(2\2)²=48 + (2\2)²

(x+1)²=49

2 over 2 by the power of 2 = 1

100 POINTS! PLEASE HELP!!
Hey y'all! I haven't gotten a correct answer/explanation for this question and I struggling so if someone could help, I'd really appreciate it! :)

Suppose RT= 16 in. and ST= 4 in. Is it possible to find the length of TU? If so, show how to find the length. If not, explain why not.

Answers

Step-by-step explanation:

yes it possible to find the length of tu

In a random sample, 3 of 400 computer chips are defective. Based on
the sample, how many chips out of 100,000 would you expect to be
defective?

Answers

Answer:

750 of 100,000 chips would be expected to be defective.

Step-by-step explanation:

(3/400) and (?/100,000)

100,000 ÷ 400 = 250.

Multiply 250 by 3 to find the number of defective chips.

250 x 3 = 750.

Leslie invest 42,000 into an account that pays 7%compounded weekly. How much is the account worth after 5 years?

Answers

Answer:

$41,998.58

Step-by-step explanation:

The computation of the account worth after 5 years is shown below:

As we know that

Future value = Present value ×(1+ rate of interest)^number of years

= 42,000 × (1 + 0.07 ÷ 52)^5× 52

= 42,000 × (1 + 0.0013461)^260

= $41,998.58

I WILL GIVE BRAINLIEST

Which frequency table shows the test times in minutes) for a reading test?

81, 63, 61, 58, 72, 70, 79, 68, 82, 64, 54, 82, 72, 63, 64, 76, 57, 65, 73, 58

Answers

The second table shows the frequency of the test times. There are 4 numbers that fall between 50-59, 7 between 60-69, 6, between 70-79 and 3 between 80-89

EXPLAIN YOUR WORK PLZ

AJ worked 48 hours last week. He earns $15.40 per hour plus overtime, at the usual rate, for hours exceeding 40 hours. What was his gross pay?
A $644.80
B$739.20
C$800.80
D$1,108.80

Answers

Answer:

Step-by-step explanation:

It will be $1,108.0 Because if you devide 40 by the hours, Plus the pay which is 15.40 You will get D

How many solutions does the system of equations 5x−4y=8 and 5x−4y=2 have?
A)no solutions
B)1 solution
C)2 solutions
D)an infinite number of solutions

Answers

Answer:

1 solution. y= 5/4x - 1/2

[AB] is a diameter of center C(O, 3cm). M is a point on (C) such that MA=MB. D is the symmetric of A with respect to M.
What is the nature of triangle AMB? Justify.

Answers

Answer: I dont know AZ

How many real fifth roots does -0.00243 have?

Answers

Answer:

I get 3 so i don't know

Step-by-step explanation:

factorise -21t²+12t+33

Answers

Answer:

3(−7t+11)+(t+1)

~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

Explanation:

~ Combine like terms

~ Like terms have the same variables

−21t^2 + 12t + 33

= 3(−7t + 11) + (t+1)

Which gives you your answer.

Your adding these/Polynomial

~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

Leme know if im wrong. Math isnt my forte.

GL.

Find the values of x and y that make these triangles congruent by the HL Theorem

Answers

Answer:

number 3

because because because because because because because because because

Step-by-step explanation:

because because because because

At the craft store, Amelia bought a bag of purple and yellow marbles. She received 75 marbles in all. 15 of the marbles were purple. What percentage of the marbles were purple?

Answers

Answer: 20%

Step-by-step explanation:

Given

Total marbles are 75

Out of this 15 are purple

Percentage of purple marbles is given by

[tex]\Rightarrow \dfrac{15}{75}\times 100=20\%[/tex]

So, purple marble constitutes of 20%

what is the answer to 7(2x + 9)

Answers

Answer:

14x + 63

Step-by-step explanation:

[tex]7(2x+9)\\\\14x+63\\\\\left \{ {{7*2x=14x} \atop {7*9=63}} \right.[/tex]

Hope this helps.

9 units 7 units What is the area of the rectangle above?

Answers

Answer: Area= length x width

1. What is the decimal equivalent of 3/
9? 0.2 0.3 0.4 0.5

Answers

0,3 is the decimal equivalent of 3/9

((will give brainliest)) What is the output of the function y = 12 + 3x if the input is 5.

Answers

Answer:

y = 27

Step-by-step explanation:

The output is the value of y when x = 5

Substitute x = 5 into the function , that is

y = 12 + 3(5) = 12 + 15 = 27 ← output

output is 27

to solve you plug in the input into x and rewrite the equation as y=12+3(5) then you add 12+15 and get y=27

Can someone help me with this??

Answers

Answer:

Step-by-step explanation:

When dilating an object, you multiply the x and y values by whatever scale you want to dilate the object by. It cannot be C because 2/5 is less than 1, which means that the object would shrink. So the answer must be A

Find the apothem or height of the triangle. Round your answer at the end to the nearest tenth.

Answers

Answer:22.4

Step-by-step explanation:

Yea I'm bad at explaining

The local movie theater charges $13 for adult tickets and $7 for children’s tickets. Yesterday they sold 115 tickets and made $943. How many adult and children tickets did they sell?

Answers

Answer:

i need more info

Step-by-step explanation:

what’s the distributive property for 3(2x -1)*

Answers

Answer:

6x-3

Step-by-step explanation:

remove breceket

3×2 =6

3×-1= -3

answer is 6x-3

6x=3 is the answer.

Together Mike and Sara ran 42 laps on the
track. Sara ran twice as many laps as
Mike did. Write a system of equations and
solve it to see how many laps they each ran.

Answers

Answer:

i dont know the system of equations since i only calculated it until i got the right answer but sara did 28 laps and mike did 14

Complete the following equation <, >, or = 3.20_ 3.02

Answers

Answer:

Step-by-step explanation:

Complete the following equation using , or = 3.20 ___ 3.02 A.

The following equation 3.20 > 3.02

Analyze: 30 + 11 when c=4

Answers

It would be 23 because 3(4) + 11 would convert to 12 + 11 giving you 23

Answer:

Step-by-step explanation:

3c + 11

3(4) + 11

12 + 11

Simplify the expression to standard form

-2.5(-3+ 4n+8)

Answers

Answer:

-12.5-10n

Step-by-step explanation:

jjjjjjjvuvubibuvuvuvibibivi

Answer:

distribute to get:

7.5 -10n -20

-10n - 12.5

The equation shown has an unknown number ⍰÷3/4=4/9

Answers

Answer:

Step-by-step explanation:

A 30 year fixed rate mortgage at 4.5% with principal of $150,000 has a monthly payment of $760 per month. After
30 years, what is the total amount spent on interest?
A) $6,750
B) $123,600
c) $156,750
D) $273,600

Answers

Answer:

A 30 year fixed rate mortgage at 4.5% with principal of $150,000 has a monthly payment of $760 per month. After

30 years, what is the total amount spent on interest?

A) $6,750

B) $123,600

c) $156,750

D) $273,600

Step-by-step explanation:

An interior designer wants to place this bed in a home, and she is especially concerned about the headboard, which is 6 feet wide and 5 feet tall. She’ll place the headboard on a wall that is 7 feet wide and 9 feet tall. She needs to know the area of the space that will remain after she places the bed against the wall

Answers

Answer:

Step-by-step explanation:

Area of the Wall minus the Area of the headboard

Area = length x width in this use tall as length and wide as width

Area Wall - Area Headboard = (Tall wall)(Wide wall) - (Tall head)(Wide head)

= (9)(7) - (5)(6) feet

= 63 - 30 feet

= ???? I'll let you finish it

The area of the space that will remain after she places the bed against the wall is 30 feet².

What is Area?

Area is the entire amount of space occupied by a flat (2-D) surface or an object's shape. The area of a plane figure is the area that its perimeter encloses. The quantity of unit squares that cover a closed figure's surface is its area.

We have,

The headboard, which is 6 feet wide and 5 feet tall.

The headboard on a wall that is 7 feet wide and 9 feet tall.

So, Area of remaining space

= Area of the Wall - Area of the headboard

= (9)(7) - (5)(6) feet

= 63 - 30

= 30 feet²

Learn more about Area here:

https://brainly.com/question/27683633

#SPJ5

Please look at the picture and answer my question I need help!

Answers

Answer:

64oz=4lb

Step-by-step explanation:

When converting ounces to pounds there is a 16:1 ratio, or there is 16 ounces in every pound.

To solve this, simply do 64/16 and you'll get your answer of 64oz=4lb.

64/16=4

64oz=4lb

Please help me with math!!!!!

Answers

Answer:

We need for inforamtion like what is the volume for both of the shapes

Step-by-step explanation:

give us the values and numbers to help you

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