-12m-8m+5=-25m-20 solve equation

Answer:

Yes it is

Step-by-step explanation:

when you dived -14 by 4 you will get -3.5

Answer:

6 coins

Step-by-step explanation:

3 dimes

1 nickel

2 pennies

Answer: 6 coins

Step-by-step explanation:

Pennies = 1c

Nickels = 5c

Dimes = 10c

10 * 3 dimes = 30c

30c + 5c (a nickle) = 35c

35c + 2 pennies = 34

Therefore, the lowest amount of coins is 6 (3 dimes, 1 nickle, and 2 pennies)

Answer:

(-6, -4)

General Formulas and Concepts:

Pre-Algebra

Order of Operations: BPEMDAS

Equality Properties

Algebra I

Step-by-step explanation:

Step 1: Define Systems

-5x + y = 26

2x - 7y = 16

Step 2: Rewrite Systems

-5x + y = 26

Step 3: Redefine Systems

y = 5x + 26

2x - 7y = 16

Step 4: Solve for x

Substitution

Step 5: Solve for y

Answer:

should be $410.81 for living room

Step-by-step explanation:

13 x 15.5 x 12 = area

area x 2 = two coats of paint on area

two coats of paint on area divided by 400

multiply that by 33.98

Answer:

$135.92

Step-by-step explanation:

Just chose Bedroom 3 because it has whole numbers, none of the other rubbish.

The interior surface area of the bedroom can be calculated by the formula:

2lw + 2wh + 2lh

The surface area is 816 feet squared.

Since we are painting the room twice, we can just double this value for the sake of the next step.

The cost per gallon of paint is $33.98.

Each gallon covers 400 ft^2.

The number of gallons required is (816*2)/400, which is 4.08 gallons. If we approximate that we require 4 gallons, then the total cost will be $33.98*4 = $135.92.

Answer:

B. x

Step-by-step explanation:

-3x+8y=-6

3x-2y=-12

if we add these

-3x+3x+8y-2y=-6-12

6y=-12      so x will be eliminated

Final answer:

When solving a system by elimination, the variable eliminated is the one with coefficients that add up to zero when equations are combined.

Explanation:

When solving the following system by elimination, which variable would be eliminated after adding the 2 equations together?

When adding the two equations together in a system, the variable that will be eliminated will be the one that has coefficients with additive inverse values. For example, if one equation has x and the other has -x, adding them would result in the elimination of the x variable.

After adding the two equations together, look for a pair of variables that will cancel each other out, resulting in the elimination of one variable.

Answer:

22,000

Step-by-step explanation:

When you are rounding, anything from 1-4 you round down, and any number 5-9 you round up. So, in this case the middle would be 500, but since the number is 119, it is 22,000.

Answer: 22000

Step-by-step explanation:

22,119 to the nearest thousandth

Thousand has 3 zeros at the back

Looking at the last 3 figures

It is not up to 500,so it is rounded up as 0

Therefore, nearest thousandth is

=22000

Answer:

The perimeter of the figure is 86.53 meters

Step-by-step explanation:

we know that

The perimeter of the figure is equal to the circumference of a semicircle, plus the sum of the legs of the right triangle

step 1

Find the circumference of a semicircle

The circumference of a semicircle is given by the formula

[tex]C=\pi r[/tex]

we have

[tex]r=29/2=14.5\ m[/tex] ----> the radius is half the diameter

assume

[tex]\pi =3.14[/tex]

substitute

[tex]C=(3.14)(14.5)=45.53\ m[/tex]

step 2

The sum of the legs of the right triangle is equal to

[tex]20+21=41\ m[/tex]

step 3

Perimeter of the figure

[tex]45.53+41=86.53\ m[/tex]

To find the area of a circle with a diameter of 6, divide the diameter by 2 to get the radius, then use the formula Area = πr² with the calculated radius, resulting in an area of 28.26.

Using either the exact value of π (pi) or its approximation 3.14, we substitute the radius into the formula to calculate the area.

Using π, the area is:

A = π(3)² = 9π

Using the approximation of 3.14 for π, the area is:

A = 3.14(3)² = 3.14(9) = 28.26

So, the area of the circle is either 9π square units or approximately 28.26 square units if you use 3.14 for π.

5.702 cm

hoping this helps

Answer:

z=100

Step-by-step explanation:

Opposite angles of an inscribed quadrilateral are supplementary.

180-80=100

Answer:

The initial value is 300 bunnies

Step-by-step explanation:

we know that

The equation of a exponention growth function is given by

[tex]y=a(1+r)^x[/tex]

where

y is population of a bunnies

x is the number of years

a is the initial value

r is the rate of change

we have

[tex]a=300\\r=20\%=20/100=0.20[/tex]

substitute

[tex]y=300(1+0.20)^x[/tex]

[tex]y=300(1.20)^x[/tex]

therefore

The initial value is 300 bunnies

Answer:

1. 4t^3, 9y, 1

2.11gh, 6t, 4

3.z, mn, 4v^2

Step-by-step explanation:

Each term is separated by + or -

Answer:

c.

Step-by-step explanation:

You could use a regression calculator to help you. You should try it its very helpful :)

The value of c is 3 units and TR is 29 units. Therefore, option D is the correct answer.

Given that, △STR≅△XYZ, TR=14c−13, and YZ=10c−1.

Triangle congruence theorem or triangle congruence criteria help in proving if a triangle is congruent or not. The word congruent means exactly equal in shape and size no matter if we turn it, flip it or rotate it.

We know that, corresponding parts of congruent triangles are equal.

Here, TR=YZ

⇒ 14c-13=10c-1

⇒ 14c-10c=-1+13

⇒ 4c=12

⇒ c=3 units

So, TR=14c-13

= 29 units

The value of c is 3 units and TR is 29 units. Therefore, option D is the correct answer.

To learn more about the congruent theorem visit:

https://brainly.com/question/24033497.

#SPJ2

Step-by-step explanation:

As we have to use the number 0-6 once to make 2 equivalent ratios.

so lets solve the problem.

Determining first equivalent ratio

as

and

so

Therefore, first equivalent ratio

[tex]\:\frac{5}{32}=\frac{10}{64}[/tex]

Determining second equivalent ratio

[tex]\frac{13}{65}=\frac{4}{20}[/tex]

as

[tex]\frac{13}{65}=\frac{1}{5}[/tex]

and

[tex]\frac{4}{20}=\frac{1}{5}[/tex]

Therefore, second equivalent ratio

[tex]\frac{13}{65}=\frac{4}{20}[/tex]

Both can be simplified to 1:2.

To create two equivalent ratios using the numbers 0-6 once, we first need to understand that a ratio compares two quantities and equivalent ratios can be simplified or expanded from one another by the same factor. Here, we select the numbers carefully to form such ratios.

Let's use the numbers 2, 3, 4, and 6. The ratio of 2:4 is equivalent to 3:6 because when both sides of the first ratio are multiplied by 2, the result is the second ratio. Therefore, the ratios 2:4 and 3:6 are equivalent because they express the same relationship between numbers, as both can be simplified to the ratio of 1:2.

Given:

[tex]$\frac{80}{4 x}>4[/tex]

To find:

The solution set for the inequality.

Solution:

If the greater number of the set satisfies the inequality, then that set is the solution set.

Option A: {2, 4, 6, 8}

Greater number = 8. Thus substitute x = 8 in given expression.

[tex]$\frac{80}{4 \times 8}>4[/tex]

[tex]$2.5>4[/tex]

This is not true because 2.5 < 4.

It is not solution set.

Option B: {3, 6, 9, 12}

Greater number = 12. Thus substitute x = 12 in given expression.

[tex]$\frac{80}{4 \times 12}>4[/tex]

[tex]$1.67>4[/tex]

This is not true because 1.67 < 4.

It is not solution set.

Option C: {1, 2, 3, 4}

Greater number = 4. Thus substitute x = 4 in given expression.

[tex]$\frac{80}{4 \times 4}>4[/tex]

[tex]$5>4[/tex]

This is true because 5 is greater than 4.

It is the solution set.

Option D: {3, 4, 5, 6}

Greater number = 6. Thus substitute x = 6 in given expression.

[tex]$\frac{80}{4 \times 6}>4[/tex]

[tex]$3.33>4[/tex]

This is not true because 3.33 < 4.

It is not solution set.

Hence {1, 2, 3, 4} is the solution set for the expression.

Answer:

Step-by-step explanation:

3rd choice is correct

Answer:

The answer is D

Step-by-step explanation:

I know because I take pre- algebra.

Answer:

C. three sides measuring 5 in, 12 in, and 14 in.

Step-by-step explanation:

Step-by-step explanation:

you are such a b

Answer:

Step-by-step explanation:

hello :

2x+5 11-3x x²+4x

x=3 : 2(3)+5+11-3(2)+(3²)+4(3) ...continu

Answer:

11

2

21

Step-by-step explanation:

Since the value of x is given we will have to substitute into each of the equation

So let's start

2x+5

And x is given to be 3

2(3)+5

6+5

11

11-3x

11-3(3)

11-9

2

X^2+4x

(3)^2+4(3)

9+12

21

Hope this will help u...

Answer:

15.49 inches

Step-by-step explanation:

Volume of a cylinder is given by

[tex]V=\pi r^{2}h[/tex]

Making h the subject of the formula then

[tex]h=\frac {V}{\pi r^{2}}[/tex]

Where h is the height, V is volume and r is radius. Substituting 24.6 inches for r and 29468 cubic inches for V then

[tex]h=\frac {29468}{\pi 24.6^{2}}=15.493723673378\ in\approx 15.49\ in[/tex]

Therefore, the height is approximately 15.49 inches

The correct height of the cylinder that produces a volume of 29,468 in3 is 15 inches (Choice B).

To find the height of a cylinder with a volume of 29,468 cubic inches (in3) and a radius of 24.6 inches, we use the formula for the volume of a cylinder, V = πr²h, where V is the volume, r is the radius, and h is the height.

Plugging in the known values, we get:
29,468 in3 = π(24.6 in)2h

Solving for h, the height of the cylinder, we perform the following steps:

Calculate the base area: Base Area = π(24.6 in)2

Divide the volume by the base area to find the height: h = Volume / Base Area

Calculate the height: h = 29,468 in3 / (π(24.6 in)2)

After performing the calculation, we conclude that the correct height of the cylinder that produces a volume of 29,468 in3 is 15 inches (Choice B).

Answer:

6.75 round to 7

Step-by-step explanation:

Answer:

7 hours

Step-by-step explanation:

6.75 is closer to 7, because it is 0.25 from 7 and 0.75 from 6. Since 0.75>0.25, 6.75 rounds up to 7 hours a day. Hope this helps!

Answer:

choice A.  line BC = line EF

Step-by-step explanation:

we need the sides  BC = EF

This is the side between the congruent angles.

For the congruence of the triangles, AB ≅ DE, BC ≅ EF, or CA ≅ FD should be congruent. Then the correct option is A.

A triangle is a three-sided polygon with three angles. The angles of the triangle add up to 180 degrees.

If the two triangles are congruent, then the ratio of the corresponding sides will be one.

If any two sides and one angle of the triangles are congruent, then the triangles are congruent.

Or if any two angles and one side of the triangles are congruent, then the triangles are congruent.

In the figure, the two angle of the triangle are congruent.

For SAS postulate, then the sides will be

AB ≅ DE

BC ≅ EF

CA ≅ FD

Then the correct option is A.

More about the triangle link is given below.

https://brainly.com/question/25813512

#SPJ5

Answer:i think its 1,3,4

Step-by-step explanation:

Answer:

5.2 times 10^1

Step-by-step explanation:

the first number should be less than ten.

Answer: [tex]5.4[/tex] [tex]x[/tex] [tex]10^{1}[/tex]

Step-by-step explanation: To write a number in scientific notation, first write a decimal point in the number so that there is only one digit to the left of the decimal point.

So here, we have 5.4 and notice that there

is only one digit to the left of the decimal point.

Next, we count the number of places the decimal point would

need to move to get back to the original number, 54.

Since we would need to move the decimal point 1 place to the right,

we have an exponent of positive 1.

Now, scientific notation is always expressed as a number between 1 and 10 including 1 but not 10 and it is multiplied by 10 to a certain power that must be an integer.

So we have [tex]5.4[/tex] [tex]x[/tex] [tex]10^{1}[/tex]

Notice that the exponent is positive.

This is because we would need to move the decimal point to the right in order to get back to the original number.

So 54 can be written in

scientific notation as [tex]5.4[/tex] [tex]x[/tex] [tex]10^{1}[/tex].

Answer:

A. x - 3 + 7x - 9/x^2 - 2

did test on edge, got 100%

The height of the prism is x-3+ (7x-9)/([tex]x^{3}[/tex]-3[tex]x^{2}[/tex]+5x-3).

The formula for the volume of a rectangular prism is V = Ah, where A is the area of the base and h is the height. Since we are given the volume and the area of the base, we can solve for the height. We have V = ([tex]x^{2}[/tex]-2) * h and V = ([tex]x^{3}[/tex]-3[tex]x^{2}[/tex]+5x-3), so we can set these two equations equal to each other and solve for h.

([tex]x^{2}[/tex]-2) * h = ([tex]x^{3}[/tex]-3[tex]x^{2}[/tex]+5x-3)

Expanding both sides, we get:

[tex]x^{2}[/tex]h - 2h = [tex]x^{3}[/tex]h - 3[tex]x^{2}[/tex]h + 5xh - 3h

Combining like terms, we get:

([tex]x^{3}[/tex] - 3[tex]x^{2}[/tex] + 5x - 3 - [tex]x^{2}[/tex] + 2 - 5x + 3) * h = 0

Simplifying, we get:

([tex]x^{3}[/tex] - 4[tex]x^{2}[/tex] + 2) * h = 0

Since [tex]x^{3}[/tex] - 4[tex]x^{2}[/tex] + 2 cannot equal 0 (since it's a cubic polynomial), we can divide both sides by ([tex]x^{3}[/tex] - 4[tex]x^{2}[/tex] + 2) to solve for h:

h = 0 / ([tex]x^{3}[/tex] - 4[tex]x^{2}[/tex] + 2)

So the height of the prism is x-3+ (7x-9)/([tex]x^{3}[/tex]-3[tex]x^{2}[/tex]+5x-3).

Answer:

11y^2-26y

Step-by-step explanation:

8y(y - 4) + 3y(y+2)

8y^2-32y+3y^2+6y

11y^2-26y

Answer:

11y^2 -26y

Step-by-step explanation:

8y(y - 4) + 3y(y+2)

Distribute

8y^2 -32y +3y^2 +6y

Combine like terms

8y^2 +3y^2   -32y +6y

11y^2 -26y