Need help with this math question

Answer:

Step-by-step explanation:

The area of the wall is the sum of the areas of the different sections of the wall. The cost to paint it will be the product of the cost of a tin of paint and the number of tins required.

__

Here, the shape of the wall can be divided into two trapezoids and a rectangle. Each shape has a corresponding area formula. Left-to-right, their areas are ...

Left Trapezoid

  A = 1/2(b1 +b2)h

  A = 1/2(10 m +11 m)(4 m) = 42 m²

Middle Rectangle

  A = LW

  A = (13 m)(11 m) = 143 m²

Right Trapezoid

  A = 1/2(b1 +b2)h

  A = 1/2(11 m +8 m)(10 m) = 95 m²

Wall Area

The total area to be painted is the sum of the above areas:

  total area = 42 m² +143 m² +95 m² = 280 m²

The area that needs to be painted is 280 m².

__

A tin of paint covers 15 m², so the number of tins needed is ...

  (15 m²)t = 280 m²

  t = 280/15 = 18 2/3 . . . . . . divide by the coefficient of t

We can only buy whole tins, so we need to buy 19 tins. Their cost will be ...

  (£7 /tin)(19 tins) = £133

It will cost £133 to paint the wall.

Answer:

the answer is 6

Step-by-step explanation:

5x+150=180( cointerrior angle of traingle)

5x=30

x=6

6/35

hope it helps...!!!

Answer:

(2/7) x (3/5)=  fraction form: 6/35   decimal form: 0.1714285

Step-by-step explanation:

Amount of gift wrap to cover the entire box = total surface area of rectangular box = 1,048 in.².

The total surface area of a rectangular box is the area of all the faces of the box = 2(wl + hl + hw).

Therefore, to find the material that will cover the whole rectangular box, Demarcus should find its total surface area, given the following dimensions:

Plug in the values into TSA = 2(wl + hl + hw):

Total surface area of rectangular box = 2(8×20 + 13×20 + 13×8) = 1,048 in.²

Learn more about total surface area of rectangular box on:

https://brainly.com/question/24448247

Answer:

firast divide it by the nearest decimal, then convert your answer into simplest form and you will have your answer.

Step-by-step explanation:

Answer:

can you guys please teach me how to do that

Answer:

16

Step-by-step explanation:

h(x)=3x-2 in (0,7)

h(6)=3(6)-2=18-2=16

Answer:

5.1

Step-by-step explanation:

√26 = 5.099

5.099 is approximately 5.1

Answer:

5.1

Step-by-step explanation:

k12 quiz :)

Answer:

[tex]\frac{2}{9}[/tex]

Step-by-step explanation:

1. [tex]\frac{2}{3} -\frac{4}{9}[/tex]

2. Multiply [tex]\frac{2}{3}[/tex] by [tex]\frac{3}{3}[/tex] to get a denominator equal to [tex]\frac{4}{9}[/tex]

3. [tex]\frac{2}{3} *\frac{3}{3} =\frac{6}{9}[/tex]

4. [tex]\frac{6}{9}-\frac{4}{9} =\frac{2}{9}[/tex]

The expression is:  [tex]\frac{2}{3}*\frac{3}{3} -\frac{4}{9}[/tex]

Answer:

6/9-4/9

Step-by-step explanation:

ez pls mark branliest

[tex] - 6 - 2[/tex]

[tex] = - 4[/tex]

commutative property.

[tex] 19 - 2[/tex]

[tex] = 17[/tex]

commutative property.

[tex] - 7 - 2[/tex]

[tex] = - 9[/tex]

closure property.

Answer:

I'm pretty sure domain is x and range is why which would mean that:

domain: -5,6

range: 5,8,-5

Step-by-step explanation:

Hope this helps:)...if not then sorry for wasting you time and I hope you find the right answer and may God bless you:)

Answer: 96 cups

Step-by-step explanation: A gallon  holds 128 ounces there were 6 gallons used to make the punch. 128x6= 768 ounces

A cup holds 8 ounces so you would do 768/8 and that would give you 96 cups

The bicycle will travel approximately 588.75 feet after 75 revolutions. Rounded to the nearest foot, the answer is 589 feet.

The distance along a circle's perimeter is referred to as its circumference.

The distance traveled by bicycle in one revolution is equal to the circumference of the wheel.

The circumference of a circle is given by the formula:

C = 2πr

where r is the radius of the circle and π is approximately 3.14.

In this case, the radius of the bicycle wheel is 1.25 ft.

Therefore, the circumference of the wheel is:

C = 2π(1.25) = 2.5π ft

After 75 revolutions, the distance traveled by bicycle is:

distance = 75 revolutions × 2.5π ft/revolution

distance = 187.5π ft

Using a calculator, we can approximate π as 3.14 and calculate:

distance ≈ 588.75 ft

Therefore, distance = 589 ft.

To learn more about the circumference;

https://brainly.com/question/12512221

#SPJ7

Answer:

The answer to the equation is: x + y ≥ 45

because In the question "Jamaal spent x minutes today practicing his guitar and y minutes today on homework. If the total time he spent on both is 45 minutes or more, which inequality best represents his practice time?" Since the total time he spent on both is 45 minutes or more, it means that the sum of x and y is greater than or equal to 45. Therefore, the required equation is x + y ≥ 45

Step-by-step explanation: can u give brainliest please i am the fisrt person to answer u

Jamaal spent x minutes practicing guitar and y minutes on homework -> the total time he spent on both is x + y

It says that the total time is 45 minutes or more, which means the time he spent must be at least 45 minutes or above.

So, the option that fits the most is x + y ≥ 45

49, 36, 25, 16, 9, 4

============================================================

Explanation:

We always start with n = 1 when it comes to sequences and series problems.

Plug in n = 1 to get

[tex]a_n = (n-8)^2\\\\a_1 = (1-8)^2\\\\a_1 = (-7)^2\\\\a_1 = 49\\\\[/tex]

The first term is 49, showing that the answer is choice C.

We can stop here, but I'll show how to do another one to help you get practice.  Plug in n = 2.

[tex]a_n = (n-8)^2\\\\a_2 = (2-8)^2\\\\a_2 = (-6)^2\\\\a_2 = 36\\\\[/tex]

I'll let you compute the other terms.

Answer:

49,36,25,16,9,4

Step-by-step explanation:

First, eliminate anwser A since it's all negatives, and when squaring, negatives (without imaginary numbers) are impossible.

Foil out the equation:

a=(n-8)^2

a=(n-8)(n-8)

a=n^2-8n-8n+64

a=n^2-16n+64

Now find the values by substituting values n>=1:

49=1^2-16(1)+64

36=4-32+64

etc.

Answer:

88772677020890.30

Step-by-step explanation:

To calculate its volume, we need to know two parameters - the radius (or diameter) and height:

cylinder_volume = π * cylinder_radius² * cylinder_height

Answer:

11852.97

Step-by-step explanation:

is the correct answer took the test on k12

Answer:

The answer is F, A

Step-by-step explanation:

It is a right and isosceles triangle

Answer:

right and isosceles

Step-by-step explanation:

the sum of the degree measurement of all triangles is 180
given are 45 and 45
45 + 45 = 90 so the other angle must be 90
a triangle with an angle of 90 degrees is always a right triangle

also
8^2 + 8^2 = 11.3^2
64 + 64 = 127.69
this is close enough to being true

an isosceles triangle is a triangle with 2 equal side lengths
this is an isosceles triangle because 8 = 8

Answer:

72 i think.

Step-by-step explanation:

Answer:

2816 x 7 is 19712.

Step-by-step explanation:

I'm not going into detail, but simply, use a calculator

Answer:

the answer is 19,712

Step-by-step explanation:

ur welcome

Answer:

83 ft^2

Step-by-step explanation:

6*2.5 (bottom)= 15

4*2.5*2 (one set of sides)= 20

4*6*2 (another set of sides)= 48

Add, 83 ft^2

Answer: 1.8 cubic cm

Step-by-step explanation:

ANSWER

solution

here,

Correct option is B)

Total age of 40 old students =40×15=600years.

Total age of 40 old and 10 new students =50×15.2=760years

∴ Total age of 10 new students =760−600=160years

∴ Required average age =

10

160

=16years

Answer:

16 years is the answer

Step-by-step explanation:

My account got deactivated I am about to cry

Answer:

Right rectangular prism

Solve for surface area

A=100

l Length

7

w Width

4

h Height

2

Solution

A=2(wl+hl+hw)=2·(4·7+2·7+2·4)=100

8,00,000 + 10,000 + 2,000 + 4

Eight Lack Twelve Thousand And Four

800,000 + 10,000 + 2,000 + 4

Eight Hundred And Twelve Thousand And Four

Answer:

D -- 210

Step-by-step explanation:

In degrees, 7π / 6 is 210°

Hope this helps! Please let me know if you need more help or think my answer is incorrect. Brainliest would be MUCH appreciated. Have a wonderful day!

Answer:

210°

Step-by-step explanation:

To convert from radians to degrees :

Our radian measure is 7π/6.

Solving :

Answer

Lin says that the inequalities h > 150 and h < 160 describe her height in centimeters. What do the inequalities tell us about her height? Lin is greater than 160 cm. Lin is less than 150 cm.

Step-by-step explanation:

no step by step explanation

does that help??

The height for the Lin h ∈ (150, 160), and inequality for the Andre's height h < h' < 164, and Andre's height could be b) 154.5 c) 160 d) 162.5 in centimeters.

It is defined as the expression in mathematics in which both sides are not equal they have mathematical signs either less than or greater than, known as inequality.

1) We have inequalities h > 150 and h < 160 for Lin height.

The height of the Lin varies between 150 cm to 160 cm because:

h ∈ (150, 160)

2) Let's suppose the height of the Andre is h' and let h is the height of the Lin, then inequality becomes:

h < h' < 164

3) As the inequality for the Lin height: h > 150 and h < 160 or

h ∈ (150, 160)

And h < 164

So from the above restrictions Andre's height could be 154.5, 160, and 162.5 in centimeters.

Thus, the height for the Lin h ∈ (150, 160), and inequality for the Andre's height h < h' < 164, and Andre's height could be b) 154.5 c) 160 d) 162.5 in centimeters.

Learn more about the inequality here:

brainly.com/question/19491153

#SPJ2

Answer:

480 [tex]cm^2[/tex]

Step-by-step explanation:

8 x 6 x 10

Length x Width x Height.

Answer:

1.8 kg

...............

Answer:

1.8 kg

Step-by-step explanation:

please note the " / " symbol means "divided by"

9 / 25 of 5

to work this out, we first do 5 / 25 and then the answer x 9

so 5 / 25 = 0.2

0.2 x 9 = 1.8

1.8kg or 1,800g

Hope this makes sense. If you need further explanation, let me know!

- profparis

If I helped you, a brainliest would be appreciated :D

To find the distance between any points:

 ⇒ we must know the distance formula

     ⇒ Distance Formula: [tex]\sqrt{(x_{2}-x_{1})^2+(y_{2}-y_{1})^2 } }[/tex]

Let's Solve:

    Distance Formula = [tex]\sqrt{(4--1)^2+(8-8)^2} =\sqrt{5^2} =\sqrt{25}[/tex] = 5

Thus the distance between the points is 5

Hope that helps!