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Answer:

Derivative of sinx is cosx ...........

Answer:

Hence is 4 24 + 6 = 30 4 FOUR

Answer:

-32/35

Step-by-step explanation:

-4/5 *8/7 you have to flip the right fraction to multiply since you cant actually divide

hope this helps

Answer:

b) -32/35

Step-by-step explanation:

Given problem,

→ (-4/5) ÷ (7/8)

Let's solve the problem,

→ (-4/5) ÷ (7/8)

→ (-4/5) × (8/7)

→ (-4 × 8)/(5 × 7)

→ -32/35

Thus, answer is -32/35.

Hey there!

\(x-5<-2\)

Add 5 to both sides.

\(x-5+5<-2+5=x<3\\x<3\text{(ANSWER)}\)

Hope this helps!

\(\text {-TestedHyperr}\)

Complete question :

The Venn diagram relating to the question can be found in the picture attached below :

Answer:

A.) 15 ; b.) 17 ; c.) 20 ; d.) 19 ; e.) 55 ; 67; 76 ;100 ; F.) 369

Step-by-step explanation:

Let :

Cars = C ; Motorcycle = M ; Tricycle = T ; Walking = W

a) How many students ride in a tricycle, motorcycle and car going to their school

Intersection of the 3 modes;

(C n M n T) = 15 ; it is the number which sits in between all the three circles.

B.) How many students ride in both a motorcycle and a tricycle?

(M n T) = 17 ; number in the middle of both circles representing motorcycle and tricycle

C.) How many students ride in both a motorcycle and a car?

(M n C) = 20 ; number in the middle of both circles representing motorcycle and Car

D) How many students ride in both a car and tricycle?

(C n T) = 19 ; number in the middle of both circles representing Car and tricycle

e.)How many students go to school

in a car only = 55

in a motorcycle only = 67

Tricycle only = 76

Walking = 100

F.) How many Grade Seven students of Koronadal National Comprehensive High School are there in all?​

(100 + 67 + 76 + 55 + 19 + 20 + 17 + 15) = 369

Answer:

10

Step-by-step explanation:

xy + 5x + 4y = -5

(x + 4) y + 5x = -5

(x + 4) y = -5x − 5

y = -5 (x + 1) / (x + 4)

For y to be large as possible, (x + 1) / (x + 4) must be negative.  That means -4 < x < -1.  So x is either -2 or -3.

The possible values of y are:

y = -5 (-2 + 1) / (-2 + 4) = 5/2 (not an integer).

y = -5 (-3 + 1) / (-3 + 4) = 10.

Answer: Choice (A)

Step-by-step explanation:

#Tip: Use the process of elimination when dealing with a multiple choice question-

What is a perpendicular line? Two distinct lines intersecting each other at 90°, or a right angle.

What is a parallel line? Lines in a plane that are always the same distance apart, and will never intersect.

Step 1: Identify the Given-

Step 2: Eliminate what does not apply to what you found-

Choice (A): True

Lines TU and MN are perpendicular. Lines MN and PQ are parallel

Choice (B): False

Lines PQ and TU are perpendicular. Lines PQ and RS are parallel

Choice (C): False

Lines MN and PQ are parallel. Lines UT and RS are perpendicular

Choice (D): False

Lines MN and RS perpendicular. Lines MN and PQ are perpendicular

Answer:

To find the value of "a" when you know the perimeter of a shape, you need to know the specific shape you're referring to. Please provide more information about the shape in question, such as whether it's a rectangle, triangle, or another geometric figure. Additionally, if you have any specific measurements or relationships between the sides of the shape, please provide them as well.

Answer:

d. 1 < d < 2

e. t ≥ 5

f. -z ≤ 4

Step-by-step explanation:

Answer:

d. 5. 1 ≤ d ≤ 2

e. 4. t ≥ 5

f. 1. -z < 4

Step-by-step explanation:

d. d is between 2 and 1

The statement "d is between 2 and 1" means that d is greater than 1 and less than 2. We can represent this using the inequality 1 < d < 2. However, the answer choices do not match this exact form of inequality. To rephrase the inequality in a way that matches the answer choices, we can use the logical "and" operator to combine two inequalities: d is greater than or equal to 1, and d is less than or equal to 2. This gives us the inequality 1 ≤ d ≤ 2, which is answer choice 5.

e. t is not less than 5

The statement "t is not less than 5" means that t is greater than or equal to 5. This can be represented using the inequality t ≥ 5, which is answer choice 4.

f. The negative of z is not greater than 4

The statement "the negative of z is not greater than 4" means that -z is less than or equal to 4. We can represent this using the inequality -z ≤ 4, which is answer choice 2. However, the question does not include an answer choice for -z < 4, which is also true based on the statement.

The area of the triangle with the given vertices is 11.5 square units.

The area of a triangle can be calculated using the coordinates of its vertices using the following formula.

To find the area of a triangle with vertices (x₁, y₁), (x₂, y₂), and (x₃, y₃), we can use the following formula:

A = (x₁(y₂ − y₃) + x₂(y₃ − y₁) + x₃(y₁ − y₂))/2

Using this formula with the given vertices (0, 6), (2, −3), and (3, 4), we get:

A = (0(-3 − 4) + 2(4 − 6) + 3(6 − (-3)))/2

A = (0 - 4 + 27)/2

A = 23/2

A = 11.5

Therefore, the area of the triangle with the given vertices is 11.5 square units.

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The union of sets A and B is {1, 2, 3, 4, 5, 6, 7, 8}.

The union of two sets A and B is the set of all elements that are in A, or B, or both. In this case, the elements in set A are {1, 2, 3, 4, 5} and the elements in set B are {5, 6, 7, 8}.

To find the union of these sets, we simply combine all the elements from both sets but remove any duplicates.

Therefore, the answer that shows the union of sets A and B is {1, 2, 3, 4, 5, 6, 7, 8}, since it contains all the elements from both sets without any duplicates.

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The perimeter of the given window is 48 centimeter.

From the given figure,

Perimeter of window = 2(Length+Breadth)

= 2(10+14)

= 2×24

= 48 centimeter

Perimeter of house = 2(Length+Breadth)

= 2(37+35)

= 2×72

= 144 centimeter

Perimeter of roof = 2(Length+Breadth)

= 2(37+5)

= 2×42

= 84 centimeter

Therefore, the perimeter of the given window is 48 centimeter.

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The amount cheaper is the car washes Malcolm orders than the car washes Martha's order is $13.

The correct answer choice is option B.

Malcolm's gift card = $50.

Cost Malcolm's car wash per visit = $7

Martha's gift card = $180

Cost Martha's car wash per visit = Difference between gift card balance of first and second visit

= $180 - $160

= $20

How cheap is the car washes Malcolm orders than the car washes Martha's order = $20 - $7

= $13

Therefore, Malcolm's car wash is cheaper than Martha's car wash by $13

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Kendra has $5.35 in nickels and quarters. If she has 13 more quarters than nickels, how many of each coin does she have?

(Scroll Down for Answer!)

We know that n = q - 13.

The value equation is

5n + 25q = 535 (we work in cents)

Now substitute for n and get

5(q - 13) + 25q = 535

5q - 65 + 25q = 535

30q = 600

q = 20 so that

n = 7

Step-by-step explanation:

Answer: 3,348 cubic inches

Step-by-step explanation:

1. Since we know that volume= length x width x height, then we can plug our values into this equation.

2. So, we would do volume= 9 x 12 x 21.

3. 9 x 12 = 108, and 108 x 21 =2,268.

4. Now that we have both of the volumes, we have to add them together.

5. 1,080 + 2,268 = 3,348

6. The combined volume is 3,348 cubic inches.

EXPLANATION:

1.We must first locate the pairs of points.

-Points A:

Answer:  $312.00

Step-by-step explanation:

By multiplying the area of the floor wanted to be carpeted by the price rate, you can conclude that this room would cost $312 dollars to be carpeted.  

Answer: the present age of son is 15 years, and the present age of father is 45 years.

Step-by-step explanation:

Let the age of son be 'x' and that of his father be 'y'.

So according to the question, the 1st equation that can be formed will be:

y = 3(x) ->(1)

[as father's age is 3 times the age of son]

Now after 5 years:

Age of son = (x+5)

Age of father = (y+5)

So according to the question, the 2nd equation that can be formed will be:

(y+5) = 2.5×(x+5) ->(2)

[as father is now two and half times old as his son]

Substituting the value of equation (1) in (2), we get:

(3x+5) = 2.5×(x+5)

=> 3x + 5 = 2.5x + 12.5

=> 3x - 2.5x = 12.5 - 5

=> 0.5x = 7.5

=> x = 7.5/0.5 = 15

Thus, the present age of son is 15 years.

Note : we can calculate the age of father by putting the value of x in equation (1) or (2):

y = 3(x) = 3 × 15 = 45 (putting x in equation 1)

Thus, the present age of father is 45 years.

Answer:

f(1) = 1

Step-by-step explanation:

To go 1 on the x-axis and check to see where it is on the y-axis. In this case, when x = 1, y = 1.

Therefore, f(1) = 1.

The probability of rolling a number greater than 2 on a standard number cube is 2/3.

Since we are interested in the probability of rolling a number greater than 2, we need to count the favorable outcomes and divide them by the total number of possible outcomes.

The numbers greater than 2 on the cube are 3, 4, 5, and 6, which means there are four favorable outcomes.

Since the cube has six possible outcomes in total, the probability of rolling a number greater than 2 is 4/6, which simplifies to 2/3.

Therefore, the probability of rolling a number greater than 2 on a standard number cube is 2/3.

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The statement that is true when comparing the two accounts after 10 years is: A: "Hannah's account has more money than Frank's account".

To compare the amount of money in the two accounts after 10 years, we can use the formula for continuous compound interest:

A = Pe^(rt)

where A is the amount of money in the account after t years, P is the principal (initial amount), r is the annual interest rate (expressed as a decimal), and e is the mathematical constant approximately equal to 2.71828.

For Frank's account, we have:

A = 2500e^(0.05410) = 4244.96 dollars (rounded to the nearest cent)

For Hannah's account, we have to take into account the quarterly compounding. The formula for quarterly compound interest is:

A = P(1 + r/n)^(nt)

where n is the number of compounding periods per year (4 for quarterly compounding), and t is the time in years. Thus, we have:

A = 3000*(1 + 0.032/4)^(4*10) = 4412.09 dollars (rounded to the nearest cent)

Therefore, the amount of money in Hannah's account after 10 years is greater than the amount in Frank's account.

"

Complete question

frank invests $2,500 in an account that has an annual interest rate of 5.4% compounded continuously. hannah invests $3,000 in an account that has an annual interest rate of 3.2% compounded quarterly. which of the following statements is true when comparing the amount of money in the two accounts after 10 years?

A: Hannah's account has more money than Frank's account

B: : Frank's account has more money than Hannah's account

"

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Answer:

B 135

Step-by-step explanation:

The sum of the measures of the central angles of a circle is 360 deg.

x + 130 + 95 = 360

x + 225 = 360

x = 135

Answer: B 135

5x+7x=660;

12x=660;

x=660:12;

x=55 (kg).

Then 5x=5×55=275 kg and 7x=7×55= 385 kg.

The required ratio is therefore

660= 275:385.

Answer:

0.03, 0.06, 0.2, 0.76, 1

Step-by-step explanation:

Answer: 0, 1/3, -3, 3

Explanation:

I got this question right on k12.

The zeroes of the equation f(x)=3x⁴−x³−27x²+9x will be 0,1/3,-3, and 3.

It is defined as a special type of relationship, and they have a predefined domain and range according to the function every value in the domain is related to exactly one value in the range.

It is given that,

f(x)=3x⁴−x³−27x²+9x

The function can be written as,

f(x)= x³(3x-1)-9x(3x-1)=0

f(x)=(3x-1)(x³-9x)

In general, finding the zeros of the function f(x) involves setting the function to zero. The zeroes of the function are the values of x that correspond to the set equation. Find the values of x where f(x) = 0 to determine a function's zeros.

To find the zeroes of function equate function to zero,

(3x-1) =0

x =1/3

x³-9x =0

x(x²-9)=0

As a result,

x =0

x²-9 =0

x² = 9

x = ±3

Thus, the zeroes of equation f(x)=3x⁴−x³−27x²+9x will be 0,1/3,-3, and 3.

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Answer:

5.5

Step-by-step explanation:

The car’s average speed on the outbound trip is; 62.5 km/h

Let the distance from home to new york be x.
Formula for speed is;

Speed = distance/time

Thus;

v₁ = x/2

Similarly,

v₂ = x/3

Now, It averaged 25 km/h faster on the trip there than on the return trip.

Thus;

v₁ = v₂ + 25

Thus;

v₂ + 25 = x/2

Put x/3 for v₂ to get;

x/3 + 25 = x/2

Multiply through by 6 to get;

2x + 150 = 3x

x = 150 km

v₁ = 150/2

v₁ = 75 km/h

Similarly,

v₂ = 150/3

v₂ = 50 km/h

Thus;

Average speed = (50 + 75)/2

Average speed = 62.5 km/h

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Answer:

no its not

Step-by-step explanation:

radius doesn't make 90 degree with AB. use Pythagoras theorem