11. The shadow of a 10 m high pole is 6 metres. Find
the shadow of a 15 m high pole at the same time
of the day.​

Answer:

yes, as long as the numbers do not go on forever.

Step-by-step explanation:

Answer:

[tex]\sqrt[3]{215}[/tex]

Decimal Form: 5.99072641

Look down for explanation

Step-by-step explanation:

[tex]\sqrt[3]{215}[/tex]

You have to simplify.

[tex]= \sqrt[3]{215}[/tex].

Decimal Form: 5.99072641

Now you have the answer to your question!

Hope this helps!

Answer:

No

Step-by-step explanation:

The time it takes Timothy to drive to his friends' houses is not proportional. This is because when going to the first house, he is going at 4km per minute, but when visiting the second and third houses he is no longer traveling at that speed.

In a directly proportional relationship, increasing one variable will increase another. The given relationship is not proportional.

In a directly proportional relationship, increasing one variable will increase another.

This directly proportional relationship between p and q is written as

p∝q where that middle sign is the sign of proportionality.

Inversely proportional relationship increasing one variable will decrease the other variable if both are inversely proportional.

This directly proportional relationship between p and q is written as

p∝1/q where that middle sign is the sign of proportionality.

Given that the table shows the distance and time it takes him to drive to each of his friends’ houses.

Now, to know if the time it takes Timothy to drive to his friends’ houses proportional to the distance, find the ratio of distance to time for each row. Therefore, the ratios can be written as,

R₁ = 5km / 10 min = 0.5 km per min

R₂ = 11 km / 15 min = 0.7334 km per min

R₃ = 18 km / 20 min = 0.9 km per min

Since the ratio of distance and time in different cases is different, therefore, the given relationship is not proportional.

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Answer:A

Step-by-step explanation:

Answer: 9:14

Step-by-step explanation: So if he started if 1 bacteria, it becomes 2 bacteria at 9:01, etc. So at 9:13, it is 2^13 and if that is half, that means 2^14 is when it is full so 9:14.

The dish will be full at  9:14 am.

Given, the bacteria duplicates itself per minute.

The experiment started with a single cell at 9 am and at 9:13 am the dish was half full.

So it is clear that after 13 minutes of experiment started the dish was half full.

Now, let here is only 1 bacteria in the dish which is duplicating per minute,so after 1 minute it becomes 2 after that it becomes 4 and after that it becomes 8. Hence it is clear from the example the bacteria doubles itself in powers of her minute. ([tex]2^x[/tex])  here x is the number of minute.

Since after 13 minutes the dish was half full, it means there are [tex]2^{13}[/tex] bacteria in the dish. hence the full dish is [tex]2^{14}[/tex] bacteria. so the bacteria will take 1 more minute for the dish to be full.

Hence at 9:14 am the dish was full.

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Answer:

Your correct answer is 37

Step-by-step explanation:

Evaluate for z = 4

(10)(4)−3

(10)(4)−3

= 37

Answer:

E

Step-by-step explanation:

they all equal the same thing

hope this helps :)

Answer:

x=5

y=0

There are a lot of different answers to. Do you have answer choices?

Answer:

-7

Step-by-step explanation:

A constant number is a number that contains no variables like x and y. The only constant in that problem is -7.

A constant is a number which independent of anything and never changes thus the constant in the given expression 2x³ - 8x² + 3x - 7 is -7.

A mixture of variables, numbers, addition, subtraction, multiplication, and division are called expressions.

An expression is a mathematical proof of the equality of two mathematical expressions.

As per the given expression,

2x³ - 8x² + 3x - 7

Here, x is a variable.

The constant multiplied by a variable is said to be the coefficient.

Thus, 2,-8,3 are the coefficient.

A number independent constant is -7 will be constant.

Hence "A constant is a number which is independent of anything and never changes thus the constant in the given expression 2x³ - 8x² + 3x - 7 is -7."

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Answer:

9.1 x 10²

Step-by-step explanation:

We use the multiplicative property of equality to make Equation 1 and Equation 2 equivalent.

Given,

Equation 1 - 4.2x – 1.5 = 1.7x + 8.3

Equation 2 - 42x - 15 = 17x + 83

We have to Identify the property of equality that makes Equation 1 and Equation 2 equivalent.

We have,

Equation 1 - 4.2x – 1.5 = 1.7x + 8.3

Equation 2 - 42x - 15 = 17x + 83

If we multiply 10 on both sides of the equation, we get

10 (4.2x – 1.5)  = 10 (1.7x + 8.3)

10 x 4.2x - 10 x 1.5 = 10 x 1.7x + 10 x 8.3

42x - 15 = 17x + 8.3

We get,

42x - 15 = 17x + 8.3 which is equivalent to equation 2.

This property is called the multiplicative property of equality.

Thus we use the multiplicative property of equality to make Equation 1 and Equation 2 equivalent.

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Answer: 8x^2-2x-5

Step-by-step explanation:

Answer:

Since L.H.S = R.H.S = 0, for both [tex]y_{1} (t) = e^{t}[/tex] and [tex]y_{2} (t) = cosh(t)[/tex], y₁ and y₂ both satisfy the equation y" - y = 0 and are thus solutions to the differential equation.

Step-by-step explanation:

To check whether the given functions are solutions the given differential equation, we differentiate the functions and then insert it into the given equation.

So y" - y = 0 and  

[tex]y_{1} (t) = e^{t}\\y_{1}' (t) = e^{t}\\ y_{1}" (t) = e^{t}[/tex]

Substituting these values of y and y" into the left hand side of the equation, we have

y" - y  

[tex]y_{1}" (t) - y_{1} (t) = e^{t} - e^{t} = 0[/tex]

Since L.H.S = R.H.S

So [tex]y_{1} (t) = e^{t}[/tex] is a solution of the differential equation.

When

[tex]y_{2} (t) = cosh(t)\\ y_{2}'(t) = sinh(t) \\y_{2}"(t) = cosh(t)[/tex]

Substituting y and y" into the left hand side of the equation, we have

y" - y

[tex]y_{2}"(t) - y_{2} (t) = cosh(t) - cosh(t) = 0[/tex]

Since L.H.S = R.H.S

So, [tex]y_{2} (t) = cosh(t)[/tex] is a solution of the differential equation.

Answer:

Complementary angles

Step-by-step explanation:

The sum of the 2 angles = 27° + 63° = 90°

This is the definition of Complementary angles

Answer:

No

Step-by-step explanation:

Algebraic Terms:

1. Monomial - an algebraic term

2. Binomial - the sum of 2 algebraic terms

3. Trinomial - an algebraic sum in 3 terms

4. Polynomial - a function in more than 1 algebraic term

The sum of 2 binomials is not always a binomial because each of the two binomials might have different algebraic terms.

If the first binomial has 2 algebraic terms and the second binomial has 2 other algebraic terms and no single term crosses out its coefficients, the sum of both binomials will not be a binomial.

Answer:

3 quartars 2 nickles 4 pennnies 2 half-pennies

Step-by-step explanation:

Answer: [tex]x=-22.42[/tex]

Simplify both sides of the equation

[tex]-18.43=x+3.99[/tex]

Flip the equation

[tex]x+3.99=-18.43[/tex]

Subtract 3.99 from both sides

[tex]x+3.99-3.99=-18.43-3.99\\x=-22.42[/tex]

Answer:

Any number greater than 6,300

Step-by-step explanation:

Answer:

2 hours

Step-by-step explanation:

at one hour, you would be on lvl 10 and he would be on lvl 9, at 2 hour you would be on lvl 14, and he would be on lvl 14.

13. -5/6

14. -7/8

15 -7/10

Step-by-step explanation:

Answer:

54, 55, 56, 57, 58, and 59 are the numbers

Step-by-step explanation:

Let's pretend that the first number is [tex]n[/tex].

We know that these numbers are consecutive, meaning each number is one more than the other.

This means that

[tex]n + (n+1)+ (n+2)+ (n+3)+ (n+4)+ (n+5) = 339[/tex], since each number is consecutive.

We can combine like terms to get [tex]6n + 15 = 339[/tex].

Now let's solve for n.

[tex]6n + 15 - 15 = 339-15\\\\6n = 324\\\\n = 54[/tex]

So [tex]n=54[/tex]. This means the other 5 digits will be one more than the next.

So 54, 55, 56, 57, 58, and 59.

Hope this helped!

Answer:

The equation is y = (3/7)x - 7.

Step-by-step explanation:

Given that the point slope form of an equation is y = mx + b where m represents the gradient and b is the y-intercept. Then, you have to substitute the following values into the equation :

[tex]y = mx + b[/tex]

[tex]let \: m = \frac{3}{7} ,x = 7,y = - 4[/tex]

[tex] - 4 = \frac{3}{7} (7) + b[/tex]

[tex] - 4 = 3 + b[/tex]

[tex] - 4 - 3 = b[/tex]

[tex]b = - 7[/tex]

Answer:

230.4

Step-by-step explanation:

11,979 divided by 52 is 230.365384615.

230.365384615 Rounded gets the answer

The answer is $1282.66

Explanation:

The sales tax rate (in this case 6.8%) is paid as part of selling a product. Also, to find the final price of a product, find the tax rate (percentage) of the price of the product and add this number to the price. The process to know the final price of the fridge is shown below:

1. Determine the 6.8% of $1201

 1.1. Write the values

1201  = 100  

 x     =  6.8

 1.2. Cross multiply and solve the equation

x100 = 8166

x= 8166 ÷ 100

x = 81.66

2. Add this value to the original price

$1201 + $ 81.66 = $1282.66 (Total price including the sales tax)

Answer:

669ft high

Step-by-step explanation:

642+27=669ft

The height of the mountain is 669 ft.

Arithmetic operations can also be specified by adding, subtracting, dividing, and multiplying built-in functions.

+ Addition operation: Adds values on either side of the operator.

For example 4 + 2 = 6

- Subtraction operation: Subtracts the right-hand operand from the left-hand operand.

For example 4 -2 = 2

A drone takes off from the base of a mountain at a height of 27 ft below sea level.

To determine the height of the mountain.

Using the arithmetic operations of addition and subtraction,

The drone then flies up 642 ft before landing at the top of the mountain.

Assume that distance below sea level is positive,

So the height of the mountain as

⇒ 642 + 27

⇒ 669 ft

Hence, the height of the mountain is 669 ft.

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Answer:

Step-by-step explanation:

-2x + 2y = -10

2x - 3y = 4

-y = -6

y = 6

2x - 18 = 4

2x = 22

x = 11

(11, 6)

Answer:

X-17=22

X=22+17

X=39 this is the answer

Answer:

b

Step-by-step explanation:

BECAUSE x-25 = 3

shows something mines 25 that equals 3