what is the property of this equation? if 2x=8 then x=4

Answers

Answer 1
answer is 2 x 4=8 this is a scientific property

Related Questions

Calculate 6¾% tax on $2,305 a.$15.56 b.$145,22 c.$146,14 d.$155,59.

Answers

Hello! 6 3/4 is equivalent to 6.75. So basically, you would be paying 6.75% tax. To find the amount of tax, multiply the price by the percentage rate. 2,305 * 6.75% (0.0675) is 155.5875 or 155.59 when rounded to the nearest hundredth. You would pay $155.59 in tax. The answer is D.

Which linear inequality is represented by the graph

Answers

The answer is either A or B. I think its B 

Option B is correct, y≤1/3x-4 is the  linear inequality which is represented by the graph

What is Slope of Line?

The slope of the line is the ratio of the rise to the run, or rise divided by the run. It describes the steepness of line in the coordinate plane.

The slope intercept form of a line is y=mx+b, where m is slope and b is the y intercept.

The slope of line passing through two points (x₁, y₁) and (x₂, y₂) is

m=y₂-y₁/x₂-x₁

The equation of line passing through points (3, -3) and (0, -4)

Slope = -4+3/0-3

=1/3

Now let us find y intercept

-4=1/3(0)+b

b=-4

Equation is y=1/3x-4

y≤1/3x-4 is the required inequality of the graph

Hence, y≤1/3x-4 is the  linear inequality which is represented by the graph

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Solve x2 + 6x + 7 = 0.

Answers

Answer:

[tex]x=-3+\sqrt{3}[/tex]    , [tex]x=-3-\sqrt{3}[/tex]

Step-by-step explanation:

x2 + 6x + 7 = 0

Solve the equation for x

To solve this we apply quadratic formula

[tex]x=\frac{-b+-\sqrt{b^2-4ac} }{2a}[/tex]

a= 1 , b= 6 , c= 7

Plug in all the values in the formula

[tex]x=\frac{-6+-\sqrt{6^2-4(1)(7)} }{2(1)}[/tex]

[tex]x=\frac{-6+-\sqrt{36-28} }{2(1)}[/tex]

[tex]x=\frac{-6+-\sqrt{8} }{2(1)}[/tex]

[tex]x=\frac{-6+-2\sqrt{2} }{2}[/tex]

Divide each term by 2

[tex]x=-3+- \sqrt{3}[/tex]

so we got two value for x

[tex]x=-3+\sqrt{3}[/tex]    , [tex]x=-3-\sqrt{3}[/tex]

Please Help!!! "What is the area of trapezoid ABCD? Enter your answer as a decimal or whole number in the box. Do not round at any steps."

Answers

To find the length of each side of the trapezoid, you need to use the distance formula.
AB = (-3,2) and (1,5)
BC = (1,5) and (7,-3)
CD = (7, -3) and (0, -2)
AD or DA = (0,-2) and (-3,2)
Now, just use the distance formula for each line. Doing so gives us:
AB = 5
BC = 10
CD = 7.071107...
DA or AD = 5
The height is AB, the first base is BC and the second base is CD. We can plug the values for these sides into the trapezoid area formula, which is A = base 1 + base 2 all over 2 times the height. Doing so gives us 37.5 units². Therefore, the answer to your query is 37.5 units². Hope this helps and have a nice day!

Answer:

The Answer is 37.5

Step-by-step explanation:


At a grocery store, blueberries come packaged in 8-ounce containers for $2.80. At a farmer's market, blueberries cost $4.20 for 14 ounces. There are 16 ounces in one pound. Which statement accurately compares the cost of blueberries?

Answers

The answer is letter C.

In the grocery, the prices per product is represented by: 
$2.80/8 ounce
$0.35/ounce
Converted to pounds...
$5.6/lb

In the farmer's market, the prices per product is represented by: 
$4.2/ 14 ounces
$0.30/ounce
Converted to pounds...
$4.8/lb

The farmer's market blueberries is cheaper than the grocery's by $0.80 per pound.

Answer:

$0.80

Step-by-step explanation:

Fred has a savings account balance of $1728.57. The interest-rate on the account is 3.4% compounded daily. If he opened the account nine years ago, what was the value of his initial deposit?

Answers

The formula is
A=p (1+r/k)^kt
A current balance 1728.57
P initial deposit ?
R interest rate 0.034
K compounded daily 365
T time 9 years
Solve the formula for p
P=A÷(1+r/k)^kt
P=1,728.57÷(1+0.034÷365)^(365×9)
p=1,272.91

Hope it helps!

Fred's initial deposit, considering a 3.4% interest rate compounded daily over nine years, was approximately $1258.16.

To find Fred's initial deposit, we need to use the formula for compound interest:
A = P(1 + r/n)ⁿᵗ, where:

A is the amount of money accumulated after n years, including interest.P is the principal amount (the initial deposit).r is the annual interest rate (decimal).n is the number of times interest is compounded per year.t is the number of years the money is invested or borrowed for.

Here, we know:

A = $1728.57r = 0.034 (3.4% interest rate)n = 365 (compounded daily)t = 9 years

We need to find P. Rearrange the formula to solve for P:

P = A / (1 + r/n)ⁿᵗ

Substitute the known values:

P = 1728.57 / (1 + 0.034/365)³⁶⁵×⁹

First, calculate the daily interest rate

0.034 / 365 = 0.00009315

Next, calculate the exponent:

(365 × 9) = 3285

Now, compute (1 + daily interest rate) raised to the power of 3285:

(1 + 0.00009315)³²⁸⁵ = 1.37423

Finally, divide the final amount by this value:

P = 1728.57 / 1.37423 = 1258.16.

List two advantages of buying and two advantages of renting

Answers

Here are your answers:                                                                                   Renting:                                                                                                               1. When you rent something you will have for a good amount of time.               2. When you rent something you have control over it since you rented it with your money.                                                                                                    Buying:                                                                                                                 2, You get to keep it forever.                                                                      3. you can sell it for more so you can make a profit to buy something else.

Answer:

advantages of buying:

-you own your own property

-the value of your property may increase over time

-you can improve or decorate your house as you wish

advantages of renting:

-your landlord is responsible for repairs

-you need to pay fewer up-front cost

-paying rent on time helps you build a good credit history

-renting is better if you dont plan to stay long

-you can have roomates to share costs

LaTonya has 16 photos on her phone , and Luis has p photos in his wallet.
Which algebraic expression represents the total number of photos that LaTonya and Luis have ?

Answers

total numbers of photos=16+p

Answer:

The expression is 16 + p

Step-by-step explanation:

Algebraic expression is a mathematical phrase that contains numbers and variables with an operation ( addition or subtraction etc. )

Given,

The number of photos Latonya has on her phone = 16,

While p represents the number of photos Luis has in his wallet,

Where p is a variable,

So, the total number of photos = Latonya's photos + Luis's photos

= 16 + p

Hence, the required expression is '16 +p'

there are 45 cans of mixed nuts if each can has 338 nuts what is the total number of nuts,n, in all of the cans

Answers

The answer is 15210 nuts in all the cans.
Final answer:

The total number of nuts in all the cans is found by multiplying the number of cans (45) by the number of nuts in each can (338). Hence, the total number of nuts, n, in all of the cans is 15210.

Explanation:

This problem is related to simple multiplication. Here, you have 45 cans of nuts and each can contains 338 nuts. So if you want to find the total number of nuts in all the cans, you need to multiply 45 (total number of cans) by 338 (number of nuts in each can).

The multiplication is as follows:

45 * 338 = 15210

So, the total number of nuts, n, in all of the cans is 15210.

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A sofa is on sale for 357 which is 32 percent less than the original price how much is the original price

Answers

So the equation is:

x - 357 / x = 32 / 100
(cross multiply)
100(x - 357) = 32x
100x - 35700 = 32x
(subtract 100x from both sides)
-35700 = -68x
525 = x

so the sofa was originally $525

Final answer:

The sofa's original price is calculated by using the formula: original price = sale price/percentage in decimal format. In this case, the percentage is 68%, and hence the original price would be 357 / 0.68 which is equal to $525.

Explanation:

This is a percentage problem. If the sale price of $357 represents 68% of the original price (because 100% - 32% is 68%), we can find the original price of the sofa using the formula: original price = sale price/percentage in decimal format.

Therefore, the original price would be 357 / 0.68 = $525

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Which principle helps us to determine the total number of outcomes in a sample space?

Answers

The principle that helps us to determine the total number of outcomes in a sample space is the counting principle.

The Fundamental Counting Principle: If there are “a” ways for one event to happen, and “b” ways for a second event to happen, then there are “a * b” ways for both events to happen.

The Frostburg-Truth bus travels on a straight road from Frostburg Mall to Sojourner Truth Park. The mall is 4 miles east and 4 miles north of the City Center. The park is 2 miles west and 4 miles south of the Center. How far is it from the mall to the park to the nearest tenth of a mile?

11.1 miles

5.7 miles

10.0 miles

4.5 miles

Answers

The Answer is 10.0 miles because the mall is 4 miles from the center and the park is 2 miles away from it so you add the 4 miles from the mall, 2 miles from the park and then 4 miles south from the city center so you add that together and get 10.0 miles their is no need for rounding

Answer:

10.0 is the correct answer  

Step-by-step explanation:

Solve to the equation for y
4x+2y=6

Answers

The question is asking us to solve for y. The equation that we are given is:
[tex]4x+2y=6[/tex]
Basically, we need to isolate y, which can be done by first subtracting 4x from both sides. Here is what that would give you:
[tex]2y=-4x+6[/tex]
Now, we divide both sides by 2, which gives us this:
[tex]y=-2x+3[/tex]
Therefore, the answer to your query is y = -2x + 3. Hope this helps and have a great day!
4x+2y=6
------------
-4x  -4x
-----------
2y=6-4x
-----------
/2       /2
-----------
y = 3-2x

LeAnn wants to gift wrap a present she got for her little brother. How many square inches of gift wrap will be needed to cover a box that is 4in x 6in x 2in?

Answers

She will need 12 square inches.

This may not be right.
I hope this helps!
Have a Great Afternoon!
Best of Luck!

A box contains 3 items that are labeled a, b, and
c. two items are selected at random (without replacement) from this box. list all the possible outcomes for this experiment.

Answers

you could pick:

 A & B

 A & C

B & C

B & A

C & A

C & B


The total number of possible outcomes is 6 and this can be determined by using the given data.

Given :

A box contains 3 items that are labeled a, b, and  c.Two items are selected at random (without replacement) from this box.

The following steps can be used in order to determine all the possible outcomes for this experiment:

Step 1 - According to the given data, the total number of items in the box is 3.

Step 2 - The total number of outcomes for this experiment is given by:

Total outcomes = 3!

Step 3 - Simplify the above expression.

Total outcomes = 3 [tex]\times[/tex] 2 [tex]\times[/tex] 1

                          = 6

Step 4 - Now, the list of all the outcomes for this experiment:

A and B

A and C

B and C

B and A

C and A

C and B

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Which phrase accurately describes a distribution that's bell shaped but not symmetric

Answers

The distribution is skew

Answer:

The distribution is skewed (either to the left or to the right).

Step-by-step explanation:

Skewness is the measure of how symmetric the distribution of the data is around its mean. It can be skewed either to the left or to the right (meaning that one of the "tails" of the distribution is longer than the other). This means that the mass your data set's observations tends to accumulate more around one extreme of the distribution than around the other.

A strictly symmetric, normal distribution would have a skewness measure of 0.

) compute $x+y$ and $\sqrt{x^2+y^2}$ when $x=5$ and $y=12.$
b.when is \[x+y=\sqrt{x^2+y^2}?\]when is

Answers

its &6896596&*^9{6382}

What is m∠AEB?



Enter your answer in the box.

Answers

angle AEB and angle CED are vertical angles, this means they equal each other, therefore we set their values as an equation and solve:

5x-10=3x+40
Subtract 3x to both sides
2x-10=40
Add 10 to both sides
2x=50
Divide both sides by 2
x=25

After we have gotten the value of x we can plug it in into the equation of angle AEB:

5x-10
Substitute x by 25
5(25)-10
Distribute
125-10
Substract
115

The measurement of angle AEB is 115

Hope it helped!, have a great day.

Answer: It's 115 I took the k12 test

Step-by-step explanation:

During a soccer game, Erin scored 1 out of 3 goals attempted. Lauren scored 2 out of 8 goals attempted. Write the fraction that represents each and compare. Who was most successful?
A: 1/3<2/8;Erin
B: 1/3>3/8;Erin
C: 1/3<2/8;Lauren
D: 1/3>2/8;Lauren
NEED HELP ASAP PLZ

Answers

Erin score 1/3 of  the attempts, while Lauren scored 1/4 of the attempted shots. 1/3 is greater 1/4, so Erin was the most successful.

1/3 > 2/8 ; Erin
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b is your answer!!!!!!!!!!!!

What is the best answer???

Answers

Use the function rule, and let x = 2.

y = 6.2 - 3(2 + 5)

y = 6.2 - 3(2 + 5)

y = 6.2 - 3(7)

y = 6.2 - 21

y = -14.8

Answer is C.

What should you do to both sides of the inequality in order to solve x + (-2) > 3?

Subtract 2.
Add 2.
Add 3.
Subtract 3.

Answers

I don’t want to confuse you.
Your original equation is x + (-2) > 3
That is also the same as x - 2 > 3

I prefer the second equation so I don’t get my addition and subtraction of the negative number confused.

You want to get x by itself. You need to ADD 2 to both sides of the inequality.
Your answer would be : x > 5

Artaud noticed that if he takes the opposite of his age and addes 40 he gets the number 28 how old is artaud

Answers

let x be the age of Artaud 

so - x  the opposite 

then -x + 40 = 28  
so x=  12 

his age is 12

Answer:

Artaud is 12 years old

Step-by-step explanation:

sin x°= 4/15 round to nearest tenth find x

Answers

Take the arcsin on both sides.

Let x = the angle you need to find.

arcsin(sin x) = arcsin(4/15)

x = arcsin(4/15)

x = 15.4660099534

x = 15.47°

Done!

A weather forecaster predicts that the temperature in antarctica will decrease 8 degreesf each hour for the next 6 hours how long will it take to go down 36 degrees

Answers

what's the starting temperature?

The measure of the​ angle's supplement is 40​° more than three times that of its complement. find the measure of the angle described

Answers

angle is x. sup - adds up to 180. comp adds up to 90

180-x = 3(90-x)+40
180-x = 270-3x+40
180-x = 310-3x
180+2x = 310
2x = 130
x=65

Your parents win the lottery and offer you an incredible deal. They will pay you money each day for 30 days for doing your chores. You can choose to be paid one million dollars on the 30th day, or you can pay be paid one cent the first day, and each day the amount you get paid is doubled from the previous day. Which is deal would you choose and why?

Answers

One million dollars on the 30th day, it amounts to more than the collective of pennys would.
I would choose the 1 million on the 30th day because it is simply the better deal

In the measurement 0.503 l, which digit is the estimated digit? the 0 immediately to the left of the 3 5 the 0 to the left of the decimal point 3

Answers

I believe the answer is 3! Hope this helps!

Answer:

3.

Step-by-step explanation:

We are asked to find the estimated digit in the measurement 0.503 L.

We know that in each measurement the estimated digit is always the last digit.

We can see that the first digit in the given measurement is 5, the second digit is 0 and the last digit is 3.

Since the last digit is in our given measurement 3, therefore, the estimated digit is 3.

henry is following the recipe card to make a cake. he had 95 cups of flour. how many cakes can henry make?

flour needed for each cake
2 2/9 cups of batter
1/2 cup for topping

Answers

First, we add up the amount of flour needed for each cake by the equation,

    total flour needed = flour need for batter + flour needed for topping

Substituting,
   total flour needed = 2 2/9 cups + 1/2 cup = 49/18 cups

Then, we divide the total amount of flour by the answer obtained above to determine the number of cakes that can be made. 

    number of cakes = total amount of flour / total flour needed per cake
      number of cakes = 95 cups / (49/18) = 34.89 cakes

Hence, the number of cakes that can be produced is only 34. 

Answer:

the number of cakes that can be produced is only 34.  

Step-by-step explanation:

   total flour needed = flour need for batter + flour needed for topping

,

  total flour needed = 2 2/9 cups + 1/2 cup = 49/18 cups

after, we divide the total amount of flour by the answer obtained above to determine the number of cakes that can be made.

   number of cakes is the total amount of flour  needed per cake

     number of cakes is  95 cups / (49/18) = 34.89 cakes

the number of cakes that can be produced is only 34.

log(w^2+21)=log(10w)

Answers

Final Answer:

[tex]\[ w = 7 \][/tex]

Explanation:

The given equation is [tex]\(\log(w^2+21)=\log(10w)\)[/tex]. To find the solution, we can set the arguments of the logarithms equal to each other, giving [tex]\(w^2 + 21 = 10w\)[/tex].

Rearranging, we get a quadratic equation [tex]\(w^2 - 10w + 21 = 0\).[/tex] Factoring or using the quadratic formula yields the solutions  

However, we need to check for extraneous solutions. Substituting [tex]\(w = 3\)[/tex] back into the original equation results in taking the logarithm of a negative number, which is undefined in the real number system. Therefore, [tex]\(w = 3\)[/tex] is extraneous, and the valid solution is [tex]\(w = 7\).[/tex]

In the detailed explanation, we used the property of logarithms that states [tex]\(\log(a) = \log(b)\)[/tex] implies [tex]\(a = b\)[/tex]. By setting the arguments of the logarithms equal to each other, we obtained a quadratic equation.

Factoring or applying the quadratic formula allowed us to find the solutions. However, we must always check for extraneous solutions by substituting them back into the original equation and ensuring the logarithms are defined for the real number system.

In this case, only [tex]\(w = 7\)[/tex] satisfies the equation without resulting in undefined logarithms.

An astronaut who weighed 150 pounds on Earth found that his weight on Jupiter was 400 pounds. He captured an alien that weighed 120 pounds on Jupiter. What is the alien's weight on Earth?

Answers

Answer:

45 pounds

Step-by-step explanation:

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