Nina used 2 litres of paint to paint a wall.
The wall was a rectangle 2 metres high and 4 metres wide.
How many litres of paint would she need to paint a rectangular wall which is
2.5 metres high and 8 metres wide?

Answers

Answer 1
10 i Believe so because A=LxW so you multiple the 2x4=8.

Related Questions

PLEASSEEEE HELP ASAP , WHAT IS THE SHAPE OF THE BASE AND SURFACE AREA?

Answers

Answer:

Total surface area : 733

The shape of the base is a rectangle with sides 11 in. and 12 in.

Step-by-step explanation:

The shape of the base is a rectangle with sides 11 in. and 12 in.

The surface area is the sum of the areas of the 5 sides.

Area of the base = 11*12 = 132

Area of the two triangles =  (11*16)/2 = 88

Area of the back rectangle = 192

The theorem of Pitagora to find the oblique side: square root of (11*11 + 16*16)= 19.42 in.

So the area of the oblique face: 19.42* 12 = 233 (almost :) )

So total surface area: 132 + 88*2+192+233= 733 square in

Identify the zeros of the graphed function.
Question 8 options:

A)

x = –4, –2, 1

B)

x = –1, 0, 2, 4

C)

x = –4, –2, 0, 1

D)

x = –1, 2, 4

Answers

Answer:

A I think this is it

Step-by-step explanation:

Hope this helps :) :)

the answer is C
explanation

Please help asap.Thanks
Ratio & rate graphs:

A commercial airplane is flying at a rate of 15 miles every 2 minutes.
Complete the table.
Minutes: 2,___, 6, 10
Miles flown: 15, 30,___,___

Answers

Answer:

4, 45, 75

Step-by-step explanation:

15 miles per 2 min = 7.5 miles per 1 min

2 min = 15 min

4 min = 30 min

6 min = 45 min

10 min = 75 min

One number is twice another number.
The larger number is 6 less than three
times the smaller number. Find the
two numbers.

Answers


20 and 14


Explanation:
Let the larger number be
x

Then the smaller number will be
x

6

Three times the smaller number is
3
(
x

6
)
, which is equal to two more than twice the other number which is
2
x
+
2

So,

3
(
x

6
)
=
2
x
+
2

Use the distributive property
a
(
b
+
c
)
=
a
b
+
a
c


3
x

18
=
2
x
+
2

Add
18
both sides

3
x
=
2
x
+
20

Subtract
2
x
both sides

x
=
20

We know that the larger number is
20

So, the smaller number is
20

6
=
14

In the diagram above, <1=40. Find the measure of <4
<4 = [???]

Answers

Answer:

40 degrees.

Step-by-step explanation:

< 4 = < 1 = 40 degrees

( as they are vertical  ( opposite) angles)

( US = vertical, UK = opposite)

Answer:

m∠4 = 40°

Step-by-step explanation:

we notice that ∠1 and ∠4 are two Vertically opposite angles which means they are equal to each other then m∠4 = m∠1 = 40°

Kasha has a spinner divided into 8 equal sections that are labeled 1 though 8. She wants to compare the theoretical probability and
the experimental probability of spinning an odd number. She spins the spinner 10 times and records the results in this list.
{2, 4, 1, 8, 7,5, 3, 4, 1,5}
Drag and drop the answers into the boxes to correctly complete the sentences
The theoretical probability of spinning an odd number is equal to
The experimental probability of spinning an odd
number is equal to
Therefore, the theoretical probability of spinning an odd number is
the
experimental probability of spinning an odd number
3
5
greater than
less than

Answers

The theoretical probability = [tex]\frac{1}{2}[/tex], The experimental probability  = [tex]\frac{3}{5}[/tex]

Less than

What is experimental probability?

The experimental probability of an event occurring is the number of times that it occurred when the experiment was conducted as a fraction of the total number of times the experiment was conducted.

The theoretical probability of spinning and odd number = [tex]\frac{4}{8}[/tex] = [tex]\frac{1}{2}[/tex]

The experimental probability =[tex]\frac{6}{10}[/tex] = [tex]\frac{3}{5}[/tex]

Since  [tex]\frac{1}{2}[/tex]<  [tex]\frac{3}{5}[/tex]

So, the theoretical probability less than the experimental probability.

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Answer for x?
Helppp

Answers

Answer:

x = 7

The length of the side is 18

Step-by-step explanation:

40 / 16 = 2.5

meaning the shape is dilated by 2.5

45 / (2x + 4) = 2.5

→ multiply both side by the denominator

45 / (2x + 4) * (2x + 4) = 2.5 * (2x + 4)  

→ simplify

45 = 2.5 * (2x + 4)  

→ divided both side by 2.5

45 / 2.5 = 2.5 * (2x + 4)  / 2.5

18 = 2x + 4

→ subtract 4 from both sides (want x alone)

18 - 4 = 2x + 4 - 4

14 = 2x

→ divid both side by 2

14 / 2 = 2x / 2

7 = x

Plug in x:

2x + 4 = 2(7) + 4

14 + 4 = 18

7=x
Divide the both sides by 2

Look at the image below.

Find the area of the parallelogram.

Answers

Answer:

Below.

Step-by-step explanation:

Area = base * perpendicular height

= 3 * 5

= 15 square units.

The area of the parallelogram is 15 square units.

What is Parallelogram?

Parallelogram is a type of polygon with four sides, four angles and four vertices. It is a type of Quadrilateral.

Opposite sides are parallel, and the opposite sides and opposite angles are equal

Area of a two dimensional shape is the total region which is bounded by the object's shape.

If the base and height is known,

Area of a parallelogram = base × height

Given base = 3

Height = 5

Area = 3 × 5 = 15 square units

Hence the required area of the parallelogram is 15 square units.

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What number (X) comes next in the series (17, 9, 18, 7, 19, 5, 20, X)

Answers

Answer:

x = 3

Step-by-step explanation:

The pattern is that every other number increases by 1, while the next decreases by 2

1. 17,18,19,20

2. 9,7,5,x

5-2 =3

3 is the answer.

Solutions:

Odd Terms: 17, 18, 19, 20

Find the common difference.

d = a₂ - a₁

d = 18 - 17

d = 1

Thus, for every odd term, the next terms are derived by adding 1.

Even Terms: 9, 7, 5, x

Find the common difference.

d = a₂ - a₁

d= 7 - 9

d = -2

Find x.

x = 5 + d

x = 5 + (-2)

x = 5 - 2

x = 3

Therefore, x = 3.

What is a  sequence?

In an arithmetic sequence, a term is obtained by adding a constant number to the preceding term. A sequence whose succeeding terms are obtained by adding a constant. Constant is called the common difference. Formula is a_n = a₁ + d(n - 1). The common difference is obtained by subtracting the first term from the second term.  

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Evaluate 2x-5x+ 12
when x = -2

Answers

Answer:

2(-2)-5(-2)+12

-4-(-10)+12

6+12

18

Step-by-step explanation:

Answer:

18

Step-by-step explanation:

2(-2)-5(-2)+12

-4+10+12

=18

Hope this helps! ;-)

6.RP.A.3.C
A dress costs $63. If the store is
having a 20% off sale, how much does
the dress cost now?

Answers

Answer:

$50.40

Step-by-step explanation:

20% of 63 is 12.5 so subtract that from the price of 63 for the answer of 50.4

Shreya has 40 pairs of shoes stacked in boxes.

If a pair is 2 shoes, how many shoes does Shreya have?

Answers

Answer:

80 shoes

Step-by-step explanation:

sin e a pair is 2 shoes,

Shreya has 40×2shoes

= 80 shoes

therefore, Shreya has 80 shoes

40 x 2

=80 shoes

(We now have school systems which force students to study maths and, through enough exposure, our brains can learn to think mathematically. But if those skills cease to be used, the human brain will quickly return to factory settings...- Matt Parker )

Find the area of EFGH

Answers

The area of triangle FGH that is similar to triangle ABC is: 8 square feet.

What is the Area of Similar Figures?

If two shapes are similar, the ratio of their areas equals the ratio of the square of their corresponding sides.

Therefore:

area of triangle EFG / area of triangle ABC = FG²/BC²

Plug in the values

area of triangle EFG / 18 = 2²/3²

area of triangle EFG / 18 = 4/9

area of triangle EFG = (18×4)/9

area of triangle EFG = 8 sq. ft.

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find the equation (in terms of x) of the line through the point (-3,-3) and (2,-2)

Answers

Answer:

y = (1/5)x - 12/5

Step-by-step explanation:

First, you need to find the slope (m). This can be done by using the given points and the following equation.

y₁ - y₂ = m(x₁ - x₂)

-3 - (-2) = m(-3 - 2)

-1 = -5m

1/5 = m

Next, you need to find the y-intercept (b). You can do this by using the slope and the values of a point in the following equation.

y = mx + b

-2 = (1/5)(2) + b

-2 = 2/5 + b

-2.4 = b

-12/5 = b

Putting the information together, you are left with your final equation.

y = (1/5)x - 12/5

An object has the mass of 900 g and a volume of 1,875 cm3.
Calculate its density.
g/cm3
Maths

Answers

If the mass of the object is 900 g and the volume is 1,875 cm³. Then the density of the object is 0.48 g/cm³.

What is density?

Density is defined as the mass per unit volume. It is an important parameter in order to understand the fluid and its properties. Its unit is kg/m³.

The mass and density relation is given as

Density = mass / volume

An object has a mass of 900 g and a volume of 1,875 cm³.

Then the density will be

Density = 900/1875

Density = 0.48 g/cm³

Then the density of the object is 0.48 g/cm³.

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what is the solution to this inequality x over 10 +6 >8 x<74 x>74

Answers

The solution of the given inequality is  x/10 + 6 ≥ 8 will be x ≥  20.

What is inequality?

Inequality is the relationship between two expressions that are not equal, employing a sign such as ≠ “not equal to,” > “greater than,” or < “less than.”.

Given inequality is:-

x / 10  +  6 ≥  8

Put the value of x = 20

20 /10 +  6  ≥ 8

2  +  6   ≥   8

8    ≥    8

So the value of x will be greater than 20 or equal to 20.

Therefore the solution of the given inequality is  x/10 + 6 ≥ 8 will be x ≥  20.

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The radius of a circle is 16 cm. Find its area in terms of π

Answers

This the Answer I got :
A≈804.25cm²

Answer:

A = 804.25 cm^2

Step-by-step explanation:

A farmer planted five rows of banana trees. Each row had six trees. His goat ate eight of the flowers. How many trees were left?​

Answers

Answer:

Step-by-step explanation:

if his goat ate 8 flowers why is it asking how many trees?


can anyone answer this? i’ve had multiples tutors and none have been able to help.

Answers

Answer:

Area = 3430

Step-by-step explanation:

Graphing y = 28x - x^2 with it's limit interval (0<x<28). They ask for four sub-interval of LRAM.

Divide the base of 28 into 4 equal rectangles.

Area = (Base * Height) + (Base * Height) + (Base * Height) + (Base * Height)

Area = (0 * 7) + (147 * 7) + (196 * 7) + (147 * 7)

Area = 3430

The ratio of boys to girls in a class is
3:4. If there are 28 students
altogether in the class, how many of
them are girls?

Answers

16 students are girls since 3+4 is 7 and 7*4 is 28. With this you multiply 4 by 4 since it is boys to girls and you will get 16 which is the answer.

Answer:

16 girls.

Step-by-step explanation:

Ignoring for a second the strict gender binary here, let's break down what this problem is telling us. A ratio of 3 boys to 4 girls means that for every 3 + 4 = 7 students, 3 are boys and 4 are girls. A class of 28 students is 4 times bigger than 7, so we can multiply each number in the ratio by 4 to get the count for this larger class. Doing that math, we find 3 · 4 = 12 boys and 4 · 4 = 16 girls.

to win at lotto in one state one must correctly select 7 numbers from a collection of 57 numbers. how many different selections are possible

Answers

57C7, the answer is 264,385,836 different selections

plot points for the function f(x)=x^+2x

Answers

The equation f(x)=x² + 2x is a quadratic equation, and it passes through the points (0,0) and (1,3)

How to plot the points for the equation?

The equation is given as:

f(x)=x² + 2x

Set x = 0

f(0)= 0² + 2(0) = 0

Set x = 1

f(1)= 1² + 2(1) = 3

The above means that the equation f(x)=x² + 2x passes through the points (0,0) and (1,3)

See attachment for the graph of f(x)=x² + 2x

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A PACK OF TOILET PAPER WAS ORIGINALLY $4.50 , IT COST $6.75. DID THE PRICE INCREASE OR DECREASE?

Answers

Increase. If the toilet paper is originally 4.50 and it then is 6.50 there is a price difference. It increased.
It increased because the original price was 4.50

Ms. Jones baked 12 cookies on Monday. On Tuesday, she baked 15 cookies, on Wednesday, she baked 18 cookies. If Ms. Jones continues baking cookies this way, how many will she bake on Friday?​

Answers

Answer:

19 or 20

Step-by-step explanation:

well is see

Monday = 12

Tuesday = 12 + 3 = 15

Wednesday = 15 +3 = 18

so the pattern is 3

but now since there is only 14, 13, 19, and 20

we could say she only added 1 or 1 each time

because it said she wanted cookies to stay about 18

1 x 2 = 2

18 + 2 = 20

or

1 + 18

19

sorry if it's wrong

In triangle HJK shown above what is the measure of ∠J in degrees

Answers

Angles in a triangle adds up to 180

180 - (25.5 +120.2) = 34.3

So, missing angle is 34.3 degrees

Hope this helps!

The pool where Asha swims is rectangular.

It is 2500 cm long and 1250 cm wide.

The four sides of the swimming pool are 150 cm deep.

They are covered with small square tiles of different colours.

Answers

The rectangular pool where Asha swims would need 4.6875 * 10⁸ cm³ of water to make it full.

What is an equation?

An equation is an expression that shows the relationship between two or more numbers and variables.

The pool where Asha swims is rectangular. It is 2500 cm long, 1250 cm wide and 150 cm deep.

Hence:

Volume of the pool = 2500 * 1250 * 150 = 4.6875 * 10⁸ cm³

The rectangular pool where Asha swims would need 4.6875 * 10⁸ cm³ of water to make it full.

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A dragon has been wreaking havoc n a local village. It is then chased away by a knight. The dragon flies 3miles due south followed by 4miles due west work out the distance between the dragon and the village find the bearing of the dragon from the village to the nearest degree

Answers

Answer:

a) 5m b) 53°

Step-by-step explanation:

a) √Bc²+AB²

=√4²+3²

=√16+9

=√25 =5m

b) tan θ =BC/AB

tanθ =4/3

so tan θ=53°

Why does it coats $18 per hour ?

Answers

Would you pay $1,200 for a winter coat? Moncler, the luxury clothing company, is wagering that enough people will keep them in business, and it appears that they are correct. During the holiday shopping season, there were lineups and a bouncer outside the company's New York City store, according to Bloomberg's Olivia Sterns, with consumers unfazed by price tags far over $1,000 for Moncler's basic, iconic jacket. In 2012, the firm sold more than €489 million ($668 million) in product worldwide. Americans contributed €48.7 million ($66.5 million) to the total. According to a 2010 Reuter's article, outerwear like that $1,200 jacket accounts for 97 percent of the company's revenue.

You spin the spinner twice.
5
2
4
3
What is the probability of landing on a number less than 3 and then landing on a 5?
Simplify your answer and write it as a fraction or whole number.
Submit

Answers

Step-by-step explanation:

remember, a probability is always desired cases over possible cases.

and the combination of the probabilities of two (or more) events means to multiply these probabilities.

the probability to get a specific number on the spinner is 1/4 (1 desired number over 4 possible numbers).

so, to get first a number less than 3 ... - that means, the only desired outcome is the number 2.

so,

1/4

to get 5 on the second spin ?

again,

1/4

the combination of both events into one delivers the probability of

1/4 × 1/4 = 1/16

Stan pays a 10% deposit to put a pool table on lay-by.
If the pool table costs $1590, how much does he have left to pay?

Answers

Answer:

$1431

Step-by-step explanation:

If Stan pays a 10% deposit, he pays $159. 10% of $1590 is simply 0.1 * 1590 = 159. Assuming this is the only amount he pays, he then simply needs to pay the full price minus $159. We can find this by simply subtracting 159 from 1590 to get 1431. Stan still needs to pay $1431.

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