Mathematics High School

It takes 9 hours for 8 men to paint a room,
How many men would be needed to paint the room in 4 hours?

Answers

Answer 1

Answer:

6 people

Step-by-step explanation:

Related Questions

(3x+3)^2+(x+5)(x-4)
someone help thankyou

Answers

Use this. It’s really good
10x^2+ 19x - 11
(if the directions said to simplify)

Suppose you deposited ​$200 in a savings account 4 years ago. The simple interest rate is 2.1%. The interest that you earned in those 4 years is ​$16.80. Which of the following​ is/are true? Select all that apply.
A. r = 2.1%
B. t = 4
C. p = 16.80
D. l = 200

Answers

Maybe A???? Not totally sure

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Answers

Answer:

2.5 cm is the radius

Step-by-step explanation:

HELP ASAP !! I have trouble with this

Answers

Answer:

x= 0.7227 in radians

x= 41.4096 in degrees

Step-by-step explanation:

cos(x) = 6/8

HELP. NEED NOW. WILL MARK BRAINLIEST.
Use the method of completing the square to transform the quadratic equation into the equation form (x+p)^2.
-6x^2+-6x+12=0

Answers

Answer:x=1 or x=−2

Step-by-step explanation:

A handyman charges $150 plus $25 per hour for house painting. A painter charges $55 per hour. How many hours would it take for the handyman's fee and the painter's fee to be the same?

Answers

Answer:5 hours

Step-by-step explanation:

55*5=275 and 25*5+150=275

Can someone help me. Will Mark brainliest.

Answers

Answer:

The answer is 50.

Hope this helps. sry if it is wrong

A line with a slope of 3 passes through the point (-1, 2).
Write an equation for this line in point-slope form.

Answers

Answer:

y-2=3(x+1)

Step-by-step explanation:

y-y1=m(x-x1)

y-2=3(x-(-1))

y-2=3(x+1)

-½ (6x + 4) + ½(8x - 2)

Answers

Answer:

-3x - 2 + 4x - 1 = x - 3

Step-by-step explanation:

open brackets and simplify

Answer:

x−3

Step-by-step explanation:

Hope this helps.

What is the equation of the line that passes through the point (-5,5) and has a
slope of -1?

Answers

Answer:

y = - x

Step-by-step explanation:

The equation of a line in slope- intercept form is

y = mx + c ( m is the slope and c the y- intercept )

Here m = - 1 , then

y = - x + c ← is the partial equation

To find c substitute (- 5, 5 ) into the partial equation

5 = 5 + c ⇒ c = 5 - 5 = 0

y = - x ← equation of line

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Answers

To find the Surface area of a prism, we need to calculate the sum of the area of each of the shapes that make up the net of the object.

(11 x 15 x 2) + (5 x 15 x 2) + (5 x 11 x 2)

= 590ft ^2

Hope this helps!!

help!!! I will give brainiest to whoever gets both​

Answers

Answer:

She has to buy 48 inches of ribbon

Step-by-step explanation:

We know that the pillow is a square with an area of 144. This means that all the side lengths must be the same. If we take the square root of 144 we get 12 which is the length of one side of the square. Because there are four sides to a square, we multiply this by 4. So 12 x 4 = 48 inches of ribbon.

PLS HELPP I REALLY NEED HELP ON THIS I WILL MARK YOU BRAINLIEST​

Answers

Answer:

b

Step-by-step explanation:

a) 6cm
If the scale is 1cm = 4in, and you have 6cm, you need to multiply 4 by 6.

b) 40in
You need to multiply 10 by 4.

Hope this helps x

The first hexagon is dilated to form the second hexagon.

Select answers from the drop-down menus to correctly complete the statements.

The scale factor is
0.80
1.25

This represents

.

Answers

Answer:

1.25

Step-by-step explanation:

help please need answers ​

Answers

Answer:

slope: 2/3 or 0.6666...

Step-by-step explanation:

find two points on the line : (1,2) and (0,-2) and do rise over run. Rise = 2 and Run = 3, so you put it in rise over run form. Rise/Run = 2/3. The graph is positive.

Libby earns $10 each hour for babysitting. Let m = the money she earns, and t = the time in hours she is babysitting. What equation represents this proportional relationship?

Answers

Answer:

$10t=m

Step-by-step explanation:

If for each hour is $10.

She would earn the number of  hours times $10.

Example: She did babysitting for 4 hours this weekend. The equation is $10(4)=m or $10 x 4 = m.  m=40

What is the area of this parallelogram?

A. 28 m²

B. 56 m²

C. 84 m²

D. 120 m²



PLS HELP I'LL GIVE BRAINLYIST

Answers

Answer:

84m^2 or C

Step-by-step explanation:

area = base * height

= 12 * 7 = 84

Answer:

8 + 4 = 12 x 7 = 84m

The sum 9 of and x
??

Answers

x + 9 is your answer!



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PLZ help! I will give brainlest to fist correct answer!
on a piece of paper graph y ≤ -2x . then determine which answer choice matches the graph you drew. Which of the following is correct?.

Answers

Answer:

The correct answer is D

Step-by-step explanation:

The  graph of inequality y ≤ -2x is option D .

What is inequality?

Inequalities are the mathematical expressions in which both sides are not equal. In inequality, unlike in equations, we compare two values. The equal sign in between is replaced by less than (or less than or equal to), greater than (or greater than or equal to), or not equal to sign.

According to the question

y ≤ -2x  

The graph of inequality  

at x = -2

y≤ 4

at x = 3

y ≤ -2*3

y ≤ -6  

Hence, the  graph of inequality y ≤ -2x is option D .

To know more about inequality here:

https://brainly.com/question/20383699

#SPJ3

Five less than twice the value of a number is equal to three times the quantity of four more than ½ the number. What is the number?

Answers

Step-by-step explanation:

(2x-5) = 3(4+x/2) then solve for x.

2x-5 = 12 + (3/2)x

2x-(3/2)x = 17

x/2 = 17

x=34

Checking the left side, (2x-5) = 2(34) - 5 = 63.

Checking the right side, 3(4+(34/2)) = 3(4+17) = 3(21) = 63.

Tom has 50 coins consisting of quarters and dimes. The combined value of coins is $8.30. How many dimes and quarters does Tom have
dimes
quarters

Answers

Answer:

32 quarters and 3 dimes

Step-by-step explanation:

you could do 4 x 8 to get to the 8 dollars so 4 x 8 = 32 so that would be 32 quarters now you got 30 cents left that will be the dimes so 3 dimes

Giorgio fenced off an area for a vegetable garden.
1
2
He made the garden 9 feet long and 8 feet wide.
2
3
What is the area of the vegetable garden?

Answers

Answer: The area is 72ft.

will mark brainliest and rate 5/5

Answers

B OR D IT WAS confusing.

Step-by-step explanation:

I tried different equations multiple ways I'm pretty sure I did it wrong

Answer:

Here, hope that answers your question

slove for x pleaseee

Answers

The answer is x = 9, hope I could help! :)

Explain why the product of a non-0 rational number and an irrational number is irrational?

Answers

Answer:

An irrational number is a number that can not be written as the quotient of two integer numbers.

Then if we have:

A = a rational number

B = a irrational number.

Then we can write:

A = x/y

Then the product of A and B can be written as:

A*B = (x/y)*B

Now, let's assume that this product is a rational number, then the product can be written as the quotient between two integer numbers.

(x/y)*B = (m/n)

If we isolate B, we get:

B = (m/n)*(y/x)

We can rewrite this as:

B = (m*y)/(n*x)

Where m, n, y, and x are integer numbers, then:

m*y is an integer

n*x is an integer.

Then B can be written as the quotient of two integer numbers, but this contradicts the initial hypothesis where we assumed that B was an irrational number.

Then the product of an irrational number and a rational number different than zero is always an irrational number.

We need to add the fact that the rational number is different than zero because if:

B is an irrational number

And we multiply it by zero, we get:

B*0 = 0

Then the product of an irrational number and zero is zero, which is a rational number.

find the value of x in each triangle with the given angle measures ​

Answers

Answer:

10 - 104

11 - 25

12 - 64

13 - 109

14 - 33

15 - 90

Step-by-step explanation:

For the first 3 triangles u must add the two angles and minus it from 180

Q number 13 do the same thing then minus the number u got by 180

Q number 14 .... 66 - 180 = 33

Q number 15 it is a right angle so it is 90

WHAT IS THE ANSWER PLEASE HURRRRYYYYY

Answers

Answer:

1238

Step-by-step explanation:

hindi ko alam ask mo nalang sa mama mo hahaha baka sakaling alam niya yung sahot na tinatanong mo hahaha

In WXY, w=130 inches, x=270 inches and y =190 inches. Find the area of WXY to the nearest square inch

Answers

Answer:

11304

Step-by-step explanation:

Delta math

plz help me due today help me

Answers

Answer:

7.7 %

Step-by-step explanation:

352-325

=27

27/352 x 100/1

7.670

=7.7%

Answer: 7.7%

Step-by-step explanation:

1. 352 - 325 = 27. This is how many students left.

2. x/100 = 27/352 is the equation.

3. Solve for x: 2700/352 = x = 7.6704

This rounded to the nearest tenth is 7.7%

PLEASE HELP MEEEEEE!!!!!
I literally have to get this done

Answers

I believe the answer is 360. Let me know if you want a step by step answer! Hope this helps!!
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