-21 - 8a = -5(a +6)
Step by step if possible

Answer:

There are 3 prime factors for 375 (1,3,5)

Step-by-step explanation:

Prime factors are prime numbers meaning they can't be further divided by a whole number.

[tex]\\ \sf\longmapsto (2^a\times 3^{2b})^5=6^{20}[/tex]

[tex]\\ \sf\longmapsto 2^{5a}\times 3^{10b}=(2\times 3)^{20}[/tex]

[tex]\\ \sf\longmapsto 2^{5a}\times 3^{10b}=2^{20}\times 3^{20}[/tex]

On comparing

[tex]\\ \sf\longmapsto 5a=20[/tex]

[tex]\\ \sf\longmapsto a=\dfrac{20}{5}=4[/tex]

And

[tex]\\ \sf\longmapsto 10b=20[/tex]

[tex]\\ \sf\longmapsto b=\dfrac{20}{10}=2[/tex]

Answer:

[tex]3(4 {x}^{2} {y}^{3} + 2 {x}^{3}) - 4(9 {x}^{3} {y}^{2} - 6 {x}^{2} {y}^{3} ) \\ = (12 {x}^{2} {y}^{3} + 6 {x}^{3} ) - (36{x}^{3} {y}^{2} - 24{x}^{2} {y}^{3}) \\ = (12 {x}^{2} {y}^{3} + 6 {x}^{3} ) + ( - 36{x}^{3} {y}^{2} + 24{x}^{2} {y}^{3}) \\ = - 36{x}^{3} {y}^{2} + 36x^{2} {y}^{3} + 6 {x}^{3} [/tex]

I hope I helped you^_^

Answer:

5

Step-by-step explanation:

6-(-8÷4)+1

6--2+1

6--1

5

Answer:

5H + 2R + 6

Step-by-step explanation:

7H + 2(R + 3) – 2H

7H + 2R + 6 - 2H

(7H - 2H) + (2R) + (6)

5H + 2R + 6

Answer:

hope this helps you

have a great day

Answer:

-6

Step-by-step explanation:

(/) is divide right?

[tex]( - 5 + 20) \div 5( - 2)[/tex]

[tex] - 5 + 20 = 20 - 5 = 15[/tex]

[tex]15 \div 5 \times ( - 2)[/tex]

[tex] - (15 \div 5 \times 2) = - (30 \div 5) [/tex]

[tex] = - 6[/tex]

Answer:

The mean means there are as many points below as above the mean point. Adding pairs of points to the left and right of the mean does not change the mean since the count on the left and right change at the same rate.

Step-by-step explanation:

Answer:

Step-by-step explanation:

4) You just have to find the lcm of the denominators

a) lcm(4,3,6)=4*3=12

[tex]\dfrac{3}{4} x-\dfrac{2}{3} =\dfrac{1}{6}x\\\\12*(\dfrac{3}{4} x-\dfrac{2}{3}) =12*(\dfrac{1}{6}x)\\\\12*\dfrac{3}{4} x-12*\dfrac{2}{3} =12*\dfrac{1}{6}x\\\\9*x-8 =2*x\\\\9*x-2*x =8\\\\7*x=8\\\\x=\dfrac{8}{7} \\[/tex]

b) I don't know the name of the property but it is :

"We can multiply the two members of an equality by the same non-zero number, we obtain an equality. "

5)

[tex]-6x+10+8x=12-4x\\\\(-6x+10)+8x=12-4x\\\\8x+(-6x+10)=12-4x\\\\8x-6x+10=12-4x\\\\2x+10=12-4x\\....[/tex]

Answer:

If a box hold 24 things, let represent the box as x.

Therefore x=24

How many boxes are needed to hold 744 tins::

more than x boxes is to 744.

Step-by-step explanation:

If a box(1) = 24

then how many boxes (x) will =744

1 : 24

x : 744

24x = 744

24 24

x = 31

Therefore 31 boxes will be needed.

Answer:

x = ±sqrt(14)

Step-by-step explanation:

x^2 = 14

Take the square root of each side

sqrt(x^2) = ±sqrt(14)

x = ±sqrt(14)

Answer:

138 kg / 6 = 23 kg per boy

Scaled drawing shows representation of the correct sizes of the original object either being reduced or enlarged by a given amount

The correct response to Andre is that each length of the sides of Jada's drawing should be multiplied by two to make a scaled copy of the drawing

The reason the response is correct is as follows:

Question: The parts of the question that appear missing is as follows;

1. Andre makes the statement, in order to obtain the scaled copy, should he add 4 units to each of the dimensions of the sides of Jada's drawing

The question is, what should be the response to Andre

The response is as follows:

When making a scale drawing, it should be noted that the original drawing and the scaled copy of the drawing are to be similar figures. That is the ratio of their corresponding sides should be constant

The ratio of the corresponding sides of the scale drawing Andre wants to make is 8 units/(4 units) = 2 : 1

Therefore, the correct response is Andre should multiply each of the lengths of the sides of Jada's drawing by two to make a scaled drawing as follows

[tex]\begin{array}{|c|c|c|}\mathbf{Length \ on \ Jada's \ drawing}& \mathbf{Length \times 2 =} &\mathbf{Length \ of \ Andre's \ scaled \ copy}\\&&\\12& 12\times 2 =&24\\10& 10\times 2 =&20\\7& 7\times 2 =&14\\6& 6\times 2 =&12\\5& 5\times 2 =&10\\4& 4\times 2 =&8\end{array}\right][/tex]

The lengths of Andre's scaled copy are 8 units, 10 units, 12 units, 14 units, 20 units, and 24 units

Please find attached the required scaled drawing

Learn more about scaled drawing here:

https://brainly.com/question/11911800

Answer:

3.8 kg of apples were sold by the farmer.

Step-by-step explanation:

Given-

Kilograms of pears: 3.4 kgs

Kilograms of apples: ?

Total: 7.2 kgs

Therefore:-

Kgs of apples + Kgs of pears = Total Kgs of fruits sold. (Given)

Kgs of apples + 3.4 kgs = 7.2 kgs (Substituting given values)

Kgs of apples = 7.2 kgs - 3.4 kgs (Taking known values to one side)

Kgs of apples= 3.8 kgs.

This is all. Please do revisions on Pythagoras thoerem and try to understand the nature of question.

In geometry, transformations are used to move a point or points from one position to another. The notation that describes how the blue function is transformed into the red function is -f(x)

I have attached the graph of both functions.

From the attached graph, we can see that the blue function is reflected over the x-axis to produce the red function.

Let:

[tex]f(x) \to[/tex] Blue

[tex]g(x) \to[/tex] Red

The transformation of reflection across the x-axis is:

[tex]g(x) = -f(x)[/tex]

Hence, the notation that describes how the blue function is transformed into the red function is -f(x)

Read more about function transformation at:

https://brainly.com/question/12865301

Answer:

What can I help you with

Answer:

Step-by-step explanation:

Answer:2.561,664¢ or roughly 25.61$.

Step-by-step explanation:

So, the air conditioner will cost 3.5 * 9.53 ¢ = 30.496 ¢ per hour running.

That means 30.496¢ * 12 = 365.952¢ or ≈3.65$ for a day.

Or 365.95¢ * 7 = 2.561,664¢ or ≈25.61$ for a week.

I'm vietanh and have fun studying!

Answer:

Round off to the two decimal places then plot on your Cartesian Plane

Answer:

x > 9

Step-by-step explanation:

since the dot is open there won't be a line under

Answer:

x = -2

Step-by-step explanation:

Given f(x) = 3x – 1

f(x) = -7

3x-1 = -7

3x = -7+1

3x = -6

x = -2

Answer:

x = -22

Step-by-step explanation:

given:

[tex]f(x) = 3x - 1[/tex]

solve for x, when:

[tex]f(x) = -7[/tex]

replace x with -7

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

➡️ [tex] x = 3(-7) - 1 [/tex]

➡️ [tex] x = -21 - 1 [/tex]

➡️ [tex]x = -22 [/tex]

Answer:

10×18+8×18; You can also find the length of each side of the apartment, 18 and  10+8,  and then multiply 18(10+8)

Step-by-step explanation

The total area Room₁ and Room₂ = (A₁ + A₂) sq feet

                                                          = (180 + 144) sq feet

                                                          = 324 Sq feet.

In the given question

Length of the first room (l₁) = 18 feet

Width of the first room(w₁) = 10 feet

We know area of a rectangle is product of it's length and width.

∴ Area of the first room A₁ = (l₁ × w₁) sq feet

                                       A₁ = (18 × 10) sq feet

                                       A₁ = 180 sq feet.

Length of the second room (l₂) = 18 feet

Width of the second room (w₂) = 8 feet

∴ Area of the second room A₂ = (l₂ × w₂) sq feet

                                             A₂ = (18 × 8) sq feet

                                             A₂ = 144 sq feet.

∴The total area Room₁ and Room₂ = (A₁ + A₂) sq feet

                                                          = (180 + 144) sq feet

                                                          = 324 Sq feet.

Another way of finding the total area of the two rooms as we can see from the given figure both two rooms together form a square as the sides of the given sides which are 18 feet and (10 + 8) feet which is also 18 feet.

So, It is a square.

∴ Area of a square = (side)²                        (area of a square is product of            

                                                                                     two adjacent sides)

Area = (18)² sq feet

        = 324 sq feet.

Learn more about Area of a Square/Rectangle here :

https://brainly.com/question/27969597

#SPJ2

Step-by-step explanation:

RF (green) = 34/(12+14+34) = 34/60 = 0.57

[tex]\\ \sf\longmapsto RElative\:Frequency(Green)[/tex]

[tex]\\ \sf\longmapsto RF(Green)=\dfrac{34}{12+14+34}[/tex]

[tex]\\ \sf\longmapsto RF(Green)=\dfrac{34}{60}[/tex]

[tex]\\ \sf\longmapsto RF(Green)=\dfrac{17}{30}=0.57[/tex]

Answer:

4 photo frames

Step-by-step explanation:

Hope it will help you

it's 4 pieces of ribbon .

hope it's help you.........!!!!!!!!!!!!!!!!!!!

#rishu

Answer:

0.75

Step-by-step explanation:

since it's a fraction you can divide

3 divided by 4 is 0.75

Answer:

C.

Step-by-step explanation:

integer is a positive and negative number. integer is not a whole number because negative is not part of the whole number.