An artist melts one-half of a crayon per minute. Another artist takes x minutes to melt a crayon of the same size. Write an expression for the number of crayons the two artists melt in twenty minutes when they both work for the full twenty minutes.

WILL GIVE BRAINLIEST!!

Lilly needs 686 dark power crystals to raise 6174 zombies.

To solve this problem, we need to determine how many dark power crystals are needed to raise a specific number of zombies. We know that each crystal can raise 9 zombies. So, to determine the number of crystals needed to raise a given number of zombies, we simply divide that number by 9.

In this case, we want to know how many crystals Lilly needs to raise 6174 zombies. So we divide 6174 by 9

= 6174 / 9

Divide the numbers

= 686

This means that Lilly needs 686 dark power crystals to raise 6174 zombie

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The given question is incomplete, the complete question is:

Lilly is using dark power crystals to raise an army of zombies.each crystal can raise 9 zombies. how many crystal does Lily need to raise 6174 zombies​

Answer:

467,059,500

Thank you for the points! And this is really easy, just add :))

Answer: 734.4 inch

Step-by-step explanation:

Answer:

734.4 is the correct answer

Answer:

1

Step-by-step explanation:

12 looks like the same segment as 11+2x

so:

12=11+2x

-11 -11

2=2x

divide both sides by two

x=1

The probability that there will be two long-furred dogs and three long-furred cats will be 0.2728.

Number of animals = 30

Number of dogs with long fur = 12/15 = 0.8

Number of cats with long fur = 11/15 = 0.73

The probability that there will be two long-furred dogs and three long-furred cats will be:

= (0.8)³ × (0.73)²

= 0.512 × 0.5339

= 0.2728

Therefore, the probability that there will be two long-furred dogs and three long-furred cats will be 0.2728.

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Mark had to pay 70 percent of the original price.

What is percent?

A % in mathematics is a quantity or ratio that is stated as a fraction of 100 (from the Latin per centum, "by a hundred"). Even though the acronyms "pct.", "pct.", and even "pc" are also employed the percent symbol, "%," is frequently used to indicate it. A percent lacks dimensions and has no associated unit of measurement. The ratio's numerical value is multiplied by 100 to obtain the percent value. The Latin word per centum, which means "hundred" or "by the hundred," is where the word "percent" originates. The Italian word per cento, which means "for a hundred," gradually shrank to become the symbol for "percent."

Mark paid = $385

Original price = $550

Percent what Mark pay = (385/550) x 100 percent

                                       = 70 percent

Hence, Mark had to pay 70 percent of the original price.

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Answer:

the correct answer is f(x)=(x-2)^2 + 1

Step-by-step explanation:

lets loof for f(2) :

f(2)=(2-2)^2 + 1

f(2)=(0)^2 + 1

f(2)= 1 ---> (2,1)

Answer:

its A

Step-by-step explanation:

-x²+x+(4x²-x-1)

-x²+x+4x²-x-1

-x²+4x²-1

3x²-1

Answer:

30 and 40

Step-by-step explanation:

30 and 40

Answer:

1. C,D

2. B,C,D

3. E

4.D

5.A,B,C,D

6.D

7.C,D

8.E

Step-by-step explanation:

Hope this helps ;)

Answer:

Hello,

Answer TRUE.

Step-by-step explanation:

a | n is read,  a  divide n.

if a | n => n=a*q

if b | n => b | a*q , since gcd(a,b)=1, b | q ==> b=q*k

n=a*q=a*b*k=(a*b)*k so  a*b | n

The number of miles in 4 weeks is 20 mules

From the question, we have the following parameters that can be used in our computation:

Stone runs 1 mile five times a week

This means that the rate is

Rate = 1 mile * 5 per week

So, we have

Rate = 5 miles per week

For 4 weeks, we have

Distance = 5 * 4

Evaluate

Distance = 20 miles

Hence, the distance is 20 miles

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Bus 47 is more consistent because it has a larger IQR, which means that its travel times are more tightly clustered around the median travel time.

In mathematics and statistics, the range of a set of data refers to the difference between the largest and smallest values in that dataset. It is a measure of the spread or dispersion of the data.

To find the range of a dataset, you subtract the smallest value from the largest value. For example, if you have a dataset of test scores: 65, 72, 80, 85, 92, 98, the highest score is 98 and the lowest score is 65. Therefore, the range of the test scores is 98 - 65 = 33.

While range is a simple and easy-to-calculate measure of dispersion, it can be sensitive to outliers or extreme values in the dataset, which may not be representative of the overall data. Other measures of dispersion, such as variance or standard deviation, may be more appropriate in some cases.

The correct measure of variability to use in this case is the interquartile range (IQR).

For Bus 47, the IQR is the difference between the third quartile (Q3) and the first quartile (Q1), which can be read off the graph. The third quartile is 22 minutes and the first quartile is 14 minutes, so the IQR is 22 - 14 = 8 minutes.

For Bus 14, the IQR is the difference between the third quartile (Q3) and the first quartile (Q1). The third quartile is 20 minutes and the first quartile is 14 minutes, so the IQR is 20 - 14 = 6 minutes.

Therefore, Bus 47 is more consistent because it has a larger IQR, which means that its travel times are more tightly clustered around the median travel time. The range, which is the difference between the maximum and minimum values, is not the best measure of consistency in this case because it does not take into account the distribution of the data.

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The production cost of the 7 devices is $6900

Production cost is simply defined as the sum of costs of all resources that is consumed in the process of making a product.

The production cost is classified into three categories. They are;

It is also seen as a  factor in total delivery cost.

From the information given, we have that;

Labor costs = 4140

Computing costs = 1035

Savings on reusable material = 1725

Production cost = 4140 + 1035 + 1725

add the values

Production cost = $6900

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13 coffee mugs

sorry I really can't explain this annoying type thing won't let me type so long

Answer:

13

Step-by-step explanation:

The probability of different ways in which members of the cabinet be appointed is 330

Probability is a measure of the possibility of an event occurring.

The likelihood could range from 0 to 1, , where 0 indicates an impossibility and 1 indicates a certainty. Probability is the ratio of possible outcomes to the total outcomes.

Probability = Possible outcomes/total outcomes

The different ways can the members of the cabinet be appointed is given by:

P = ¹¹C₄

P = (11*10*9*8) / (4*3*2*1)

P =330 ways

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Answer:

the answer is 207 over 20

Answer:

10.35

Step-by-step explanation:

Here's how i did it:

1) 63756 x 60= 3825360

2) 70 x 5280= 369600

3) 3825360/369600 = 10.35

Answer:

As the point of the intersection of the lines is (7, -12), the solution of the system is

\(y=-12,\:x=7\)

Please check the attached graph below.

Step-by-step explanation:

Given the system of the equations

\(y=-3x+9;\:y=-x-5\)

Check the attached graph below.

It is clear from the graph that the lines intersect at x =7 and y = -12

so the point of the intersection of the lines is (7, -12)

Hence, the solution of the system is

\(y=-12,\:x=7\)

VERIFICATION BY SOLVING THE SYSTEM OF THE EQUATION

Given the system of the equations

\(y=-3x+9;\:y=-x-5\)

Solving the system of the equations

\(\begin{bmatrix}y=-3x+9\\ y=-x-5\end{bmatrix}\)

\(\mathrm{Subsititute\:}y=-x-5\)

\(\begin{bmatrix}-x-5=-3x+9\end{bmatrix}\)

Isolate x for \(-x-5=-3x+9\)

\(-x-5=-3x+9\)

\(-x-5+5=-3x+9+5\)

\(2x=14\)

\(x=7\)

\(\mathrm{For\:}y=-x-5\)

\(\mathrm{Subsititute\:}x=7\)

\(y=-7-5\)

\(y=-12\)

\(\mathrm{The\:solutions\:to\:the\:system\:of\:equations\:are:}\)

\(y=-12,\:x=7\)

A 40 gram sample of a substance that’s used for drug research has a k-value of 0.1472. The substance's half-life, in days, is approximately 4.7 days.

The half-life of a substance is the time it takes for half of the substance to decay or undergo a transformation. The half-life can be determined using the formula:

t = (0.693 / k)

where t is the half-life and k is the decay constant.

In this case, we are given that the sample has a k-value of 0.1472. We can use this value to calculate the half-life.

t = (0.693 / 0.1472) ≈ 4.7 days

Therefore, the substance's half-life, rounded to the nearest tenth, is approximately 4.7 days.

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The answer to the statement, "if logarithmic functions are defined as g(x) = loga x, then the greater the value of a.." is c. the faster logax increasesd.

The power to which a number must be raised in order to obtain other numbers is referred to as a logarithm. The easiest method to express large numbers is this way. Numerous significant characteristics of a logarithm demonstrate that addition and subtraction logarithms can also be expressed as multiplication and division of logarithms.

If logarithmic functions are defined as g(x) = loga x, then the greater the value of a, the faster logax increases (option c).

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Answer:

x < 9

if g(x) < 27

Step-by-step explanation:

Since g(x) = 3x

then for g(x) = 27

3x = 27

x = 27/3

x = 9

so when g(x) < 27

x < 9

The measure of the angle O is 81.77 degrees.

To find the measure of ∠O, we can use the Law of Cosines, which states that:

\(c^2 = a^2 + b^2 - 2ab*cos(C)\)

where c is the side opposite the angle we want to find (in this case, side o), a and b are the other two sides (in this case, sides m and n), and C is the angle opposite side c (in this case, ∠O).

Substituting the given values, we get:

\(o^2 = m^2 + n^2 - 2mn*cos(O)\)

\(59^2 = 55^2 + 48^2 - 2(55)(48)*cos(O)\\3481 = 3025 + 2304 - 5280*cos(O)\\756 = 5280*cos(O)\\cos(O) = 756/5280\\O = cos^{-1}(756/5280)\\O = 81.77 degrees\)

Therefore, the measure of ∠O to the nearest \(10^{th\) of degree is approximately 81.77 degrees.

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Answer:

\(g(x) = -(10)^x\)

Step-by-step explanation:

For a general function f(x), a reflection across the x-axis is written as:

g(x) = -f(x)

So, if here the function is:

\(f(x) = 10^x\)

The reflection across the x-axis is:

\(g(x) = -f(x) = -(10)^x\)

The correct option is the first one, counting from the top.

There will be 90 games for 10 teams to play each other twice

There are ten teams in total.

Team 1 will play the match with rest of the 9 teams.

There will be 9 matches in total.

Similarly, team 2 will play rest of 8 teams as team 1 had already played with.

There will be 8 matches.

This will go like:

9 + 8+ 7 + 6 + 5 + 4 + 3 + 2 + 1

This series is a arthimetic progression with common difference is 1

The sum of a  a(a + 1)/2

9(9 + 1)/2

= 45

45.

Since each match will happen twice, there will be 90 matches.

Therefore, The 10 teams to play each other twice so there will be 90 matches in total.

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Answer:

one half

Step-by-step explanation:

Given the expression

2/6 + 1/6

Find the LCM

\(= \dfrac{2+1}{6} \\= \dfrac{3}{6} \\= \dfrac{3*1}{3*2}\\= \dfrac{3}{3} * \dfrac{1}{2} \\= 1 * \dfrac{1}{2}\\= \dfrac{1}{2}\)

Hence the required result is one half

Answer:

300 divided by 50=6 meters per second

Hope This Helps!!!

Step-by-step explanation:

Solution,

speed = distance traveled ÷ time taken

= 300÷50s

= 6/1

Therefore, speed is 6/1 [6 by 1]

Answer: 96 servings.

Step-by-step explanation:
There are 16 cups in 1 gallon, so 3 gallons of punch would be equal to:

3 gallons x 16 cups/gallon = 48 cups

If each serving size is 1/2 cup, then the number of servings in 3 gallons of punch would be:

48 cups / (1/2 cup/serving) = 96 servings

Therefore, 3 gallons of punch would provide 96 servings, assuming each serving size is 1/2 cup.

Joe is incorrect because the ratio of swimmers to non-swimmers in the camp is not 3:10. To determine the correct ratio, we need to calculate the number of swimmers and non-swimmers based on the given information.

Joe claims that 3/10 of the campers can swim. To find the number of swimmers, we multiply the total number of campers (20) by the fraction of swimmers (3/10):
Number of swimmers = 20 * (3/10) = 6

Next, we can find the number of non-swimmers by subtracting the number of swimmers from the total number of campers:
Number of non-swimmers = 20 - 6 = 14

Therefore, the correct ratio of swimmers to non-swimmers is 6:14. However, this ratio can be further simplified by dividing both numbers by their greatest common divisor, which is 2 in this case:

Simplified ratio of swimmers to non-swimmers = 6/2 : 14/2 = 3:7
So, the correct ratio of swimmers to non-swimmers in Joe's summer camp is 3:7, not 3:10 as Joe claimed.

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Answer:

C. Divide both sides of the inequality by 4 but don't flip the symbol.

Step-by-step explanation:

When you solve an inequality, you have to get the x by itself. So, in this inequality, the first thing you would do is divide both sides of the inequality by 4. The new and solved equation would look like this:

x ≥ -6

Because multiplying by a negative, dividing by a negative, or having negatives on both sides of the inequality was not involved in solving for x, flipping the symbol is not needed.

I really hope this helps! Have an amazing day :3

The possible sources of inaccuracy that could have an impact on your results are -

While conducting a scientific experiment, numerous errors—either systematic or random—could happen.

Thus, more measuring is done when the bias is smaller and more measuring is done when the uncertainty is smaller.

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