the question says Add.


4/10+8/100 i need help

Answers

Answer 1

Answer:

12/25

Step-by-step explanation:

Multiply both the numerator and denominator of each fraction by the number whom makes its denominator equal the LCD.

[tex]\left(\frac{4 \cdot 10}{10 \cdot 10} \right) + \left(\frac{8 \cdot 1}{100 \cdot 1}\right) = \frac{40}{100} + \frac{8}{100}[/tex]

[tex]= \frac{48}{100}[/tex]

Find the new LCD(4).

[tex]\frac{48/4}{100/4} = \frac{12}{25}[/tex]


Related Questions

The equation of a hyperbola is (x-2)^2/16 - (y+1)^2/9. Compare this equation with the standard equation of a hyperbola to find its attributes. Part A Find the values of a, b, c, h, and k and the coordinates of the center, vertices, and foci for the given hyperbola. (Hint: The vertices lie on the transverse axis and are at a distance of a unit from the center. The foci also lie on the transverse axis and are c units from the center.) please help!

Answers

The value of a, b, c, h, k, and foci coordinates are 4, 3, 5, 2, -1, and (5, 0) and (-5, 0) respectively.

What is hyperbola?

It's a two-dimensional geometry curve with two components that are both symmetric. In other words, the number of points in two-dimensional geometry that have a constant difference between them and two fixed points in the plane can be defined.

We have given a hyperbola equation:

[tex]\rm \dfrac{(x-2)^2}{16}-\dfrac{(y+1)^2}{9}=1[/tex]

We know the standard form of a hyperbola is given:

[tex]\rm \dfrac{(x-h)^2}{a^2}-\dfrac{(y-k)^2}{b^2}=1[/tex]

After comparing:

a² = 16 ⇒ a = 4

b² = 9 ⇒ b = 3

[tex]\rm c^2 = a^2+b^2\\\\\rm c^2 = 16+9 \Rightarrow 25[/tex]

c = 5

(h, k) is the center of the hyperbola:

(h, k) = (2, -1)

Vertices will be (a, 0) and (-a, 0):

(4, 0) and (-4,0)

Foci will be at (c, 0) and (-c, 0):

(5, 0) and (-5, 0)

Thus, the value of a, b, c, h, k, and foci coordinates are 4, 3, 5, 2, -1, and (5, 0) and (-5, 0) respectively.

 

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The value of a=4 , b=3 , k=-1 and h=2 for the hyperbola having the equation

[tex]\dfrac{(x-2)^2}{16}-\dfrac{(y+1)^2}{9}=1[/tex]

What is hyperbola?

A hyperbola is the symmetrical open curve formed by the combination of a circular cone with a plane at a minimum angle with its axis than the side of the cone.

Here the general form of the equation of hyperbola will be:

[tex]\dfrac{(y-k)^2}{b^2}-\dfrac{(x-h)^2}{a^2}=1[/tex]

And we have a equation given as:

[tex]\dfrac{(x-2)^2}{16}-\dfrac{(y+1)^2}{9}=1[/tex]

By comparing the equation we the solutions

[tex]a=4 , b=3 , k=-1 \ and\ h=2[/tex]

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What percent of 72 is27?

Answers

Answer:

37.5%

Step-by-step explanation:

Let's consider the percentage as 'x'

[tex]72 * \frac{x}{100} = 27\\\\x = \frac{27 * 100}{72} \\x = 37.5%[/tex]

A swim team has 80 swimmers the first year and 90 swimmers the second year. What percent or increase do they experience over these first two years?

2%
10%
11.25%
12.5%

Answers

The increase in the percentage that they experience over these first two years will be 12.5%. Then the correct option is D.

What is the percentage?

The quantity of anything is stated as though it were a fraction of a hundred. A quarter of 100 can be used to express the ratio. Per 100 is what the term percent signifies. The symbol 'percent' is used to symbolize it.

A swim team has 80 swimmers in the first year and 90 swimmers in the second year.

Then the increase in the percentage that they experience over these first two years will be

P = (90 - 80)/80 x 100

P = 10/80 x 100

P = 0.125 x 100

P = 12.5%

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(a) If f : x 3x + b and f(2) 12, find the value of b​

Answers

F(2) means the value of x is 2. Replace x with 2 then solve for b:


3(2) + b = 12

6 + b = 12

Subtract 6 from both sides

B = 6


answer: b = 6

What fraction is equal to 212?

Answers

Answer:

4/8

Step-by-step explanation:

Determine the relative maxima of f(x)=2x^3-3x^2. Also describe where the function os increasing and decreasing.

Answers

Answer:

Below in bold.

Step-by-step explanation:

f(x)=2x^3-3x^2

Finding the derivative and equating to zero:

f'(x) = 6x^2 - 6x = 0

6x(x - 1) = 0

So there are turning point at x = 0 and 2 = 1.

Finding the relative maximum:

Second derivative is negative when we have a maximum value:

f"(x) = 12x - 5

- which is negative when  x = 0.

So the relative maximum is at x = 0 where f(x) = 2(0)^3 - 3(0)^2 = 0.

At x = 1, second derivative  = 12(1) - 5 = +7 so this is a relative  minimum.

The function is increasing  in interval -∝ < x < 0

decreasing in interval 0 < x < 1

then increasing in interval   1 < x < ∝

Solve.
4(x+2)^2=16


HELP PLSSSS

Answers

Answer:

x=0; x=-2

Step-by-step explanation:

so first you do (x+2)^2 which is x^2+2x+4

4x^2 +8x +16 = 16

Subtract 16 from both sides

4x^2 +8x = 0

factor out 4x:

4x(x+2) = 0

Bradley cut a square hole out of a block of wood in wood shop. If the block was cube-shaped with side lengths of 8 inches, and the hole had side lengths of 5 inches, how much wood was left after the hole was cut out?
A.
387 cubic inches
B.
512 cubic inches
C.
39 cubic inches
D.
312 cubic inches

Answers

Answer:

The Correct answer is D. 312 Cubic inches.

Hope this helps you!!

Please Mark me Brainleast!!

Answer:

The Correct answer is D. 312 Cubic inches.

Hope this helps you!!

Please Mark me Brainleast!!

96. Sara took a test that had 24 questions on it. She got 4/6 of them correct. How many questions did she get correct? A 12 B. 15 16 D 25​

Answers

Answer:

16

Step-by-step explanation:

the answer is 16

What is the definition of a chronological structure?
A. Describes events in order they occurred or gives ordered instructions
B. Shows relationship between events, explains how one thing happens as a result of another
C. Describes a topic, idea, person, place or thing
D. Describes a problem as well as its causes and suggests solutions

Answers

Answer:

B. Shows relationship between events, explains how one thing happens as a result of another

Cylinder A has a radius of 7 inches and a height of 5 inches. Cylinder B has a volume of 490π. What is the percentage change in volume from cylinder A to cylinder B? 50% decrease 75% increase 150% decrease 100% increase

Answers

Answer:

The percentage change in volume between cylinder A and cylinder B is 50% Step-by-step explanation:

Step-by-step explanation:

The volume of a cylinder is given by the formula

V= πr^2h

For cylinder A, where r = 7 and h = 5 , pi = 22/7

V= π *7^2 * 5

V= π * 49 * 5

V = 769.69 cubic inch

For cylinder B

V = 490Pi

V = 153 cubic inch

The percentage change in volume between cylinder A and cylinder B

=[ (VA-VB)/VB] *100

=(1539.3804-769.69)/1539.3804

= 0.5000 100

= 50%

help help help help please ive been stuck on this for hours​

Answers

Answer:

the answer is

45.84

Step-by-step explanation:

a=pi*r^2

If 1.5 yards of red licorice has 45.3 grams of sugar how much sugar is in 5.5 yards of licorice

Answers

Answer:

There is 166.1 grams of sugar in 5.5 yards of licoroce

Step-by-step explanation:

If 1.5 yards of licorice = 45.3 grams of sugar

5.5 yards of licorice = x

Cross multiply:

45.3grams * 5.5yards / 1.5yards

= 249.15 grams/yards / 1.5yards

= 166.1 grams of sugar

Determine the equation of the circle with center (8,5) containing the point (-4,21)

Answers

Answer:

(x-8)² + (y-5)² = 400

Step-by-step explanation:

general equation of a circle : (x-h)² + (y-k)² = r²

where (h,k) is at center and r = radius

here we are given the center as well as a point on the circle

first we will need to identify the radius by  finding the distance between the center and the point on the circle using using the distance formula ( we know this is the radius because the radius is a line that goes on the center of the circle to any point on the circle )

Identifying the radius using the distance formula

Distance formula : [tex]d=\sqrt{(x_2-x1)^2+(y_2-y_1)^2}[/tex]

where the x and y values are derived from the two given points

Given points are (8,5) and (-4,21)

Assigning variables we get (x1,y1) = (8,5) , so x1 = 8 and y1 = 5

and (x2,y2) = (-4,21) so x2 = -4 and y2 = 21

Plugging this into the formula we get

[tex]d=\sqrt{(-4-8)^2+(21-5)^2}[/tex]

==> subtract values inside of parenthesis

[tex]d=\sqrt{(-12)^2+(16)^2}[/tex]

==> evaluate exponents

[tex]d = \sqrt{144+256}[/tex]

==> add 144 and 256

[tex]d=\sqrt{400}[/tex]

==> take the square root of 400

[tex]d=20[/tex]

so the radius is 400

Finding the equation of the circle

again we have the general equation of a circle as (x-h)² + (y-k)² = r²

where (h,k) is at center and r = radius

here the center is at (8,5) and the radius is 20

so (h,k) = (8,5) so h = 8 and k = 5 and radius is 20 so r = 20

plugging these values into the general equation of a circle we get

(x-8)² + (y-5)² = 20²

==> evaluate exponent

(x-8)² + (y-5)² = 400

and we are done!

For more validation check the attached image :)

find maclaurin series

Answers

Recall the series expansion of the exponential function,

[tex]\displaystyle e^x = \sum_{n=0}^\infty \frac{x^n}{n!}[/tex]

By comparison, the given sum is [tex]e^x[/tex] evaluated at x = ln(2), so

[tex]\displaystyle 1 + \ln(2) + \frac{\ln^2(2)}{2!} + \cdots = \sum_{n=0}^\infty \frac{\ln^n(2)}{n!} = e^{\ln(2)} = \boxed{2}[/tex]

A triangular-shaped window has a base of 3 feet and a height of 4 feet. What is the area of the window?

Answer asp

Answers

Answer:

12 feet

Step-by-step explanation:

4 times 3 is 12 and that is how u find area I think

the following histogram shows the number of days during the school year that students bought lunch. How many total students are at the school?

Answers

You have to post a picture of the actually histogram we can’t see it

HELP PLEASE!!!!!!!! 25 POINTS !!!1

Answers

Answer:

[tex]\sf x^2 + \boxed{\sf 5} \ x - \boxed{\sf 14}[/tex]

Explanation:

Given zero's of a polynomial function:

2 and -7Function's:(x + 7) (x -2) = 0x² + 7x - 2x - 14 = 0x² + 5x - 14 = 0

Answer:

y = x² + 5x - 14

Step-by-step explanation:

If the zeros of a polynomial are 2 and -7, then:

⇒ x = 2  ⇒  (x - 2) = 0

⇒ x = -7  ⇒  (x + 7) = 0

Therefore, we can write the polynomial as:

y = a(x - 2)(x + 7)   where a is some constant

As the first term of the given polynomial is x², we can say that its coefficient is 1.  Therefore, a = 1

⇒ y = 1(x - 2)(x + 7)

⇒ y = (x - 2)(x + 7)

To write the polynomial in standard form  ax² + bx + c

simply expand the brackets:

⇒ y = (x - 2)(x + 7)

⇒ y = x² + 7x - 2x - 14

⇒ y = x² + 5x - 14

Assuming the cube and the coin are fair, find the theoretical probability of this event: both
rolling a 3 or a 5 and flipping heads, in a single trial. Round your answer to the nearest
thousandth.

Answers

Answer:

1/6

Step-by-step explanation:

cube = 1 in 6

coin = 1 in 2

3 or 5 = 2 in 6

1 in 3

1 in 3 x 1 in 2 = 1 in 6

1/6

What is (-i)5?
O A. 1
O B.-i
O C. -1
O D. i

Answers

[tex]\boxed{\sf B.~-i}\boxed[/tex]

What are the surface areas of these two prisms

Answers

Answer: to calculate the area you multiply L x W x H

Step-by-step explanation:

Expression 3x^2-105x-60 and (5x-20)(6x+3)

Which expression make it easier to find the values of x that make the equation f(x)= 0 true? Explain

find the values of x that make f(x) =0​

Answers

Answer:

[tex]30x^{2} -105x-60[/tex]

Step-by-step explanation:

Foiling.

A car is moving at a speed of 50 km/hour. The driver takes her foot off of the accelerator and the car coasts to a stop. Why? A) No acceleration means no movement. B) Energy is no longer being transformed. C) Without an external energy source, friction stops the car. D) All the kinetic energy is converted to potential energy or energy of position.

Answers

C) without an external energy source, fiction stops the car

Sure hope this helps you

Answer:

C

Step-by-step explanation:

The friction stops the car because there is no more energy pushing the car forward. Also this should be in the science section.

if y varies inversely as x and the constant of proportionality is k=5, what is y when x=2?

Answers

Answer:

y alpha 1 /x

y = k / x

( y = ? , x = 2, k = 5 )

y = 5 /2

y = 2.5

<~~• ¥ Pls HELP me!! ¥ • ~~>

Answers

Answer:

A = 18

Step-by-step explanation:

A = b*h/2

A = 9*4 /2

A = 36/2

A = 18

Please help me for a treat lol

Answers

Answer:

a) Jill ended her scooter ride at her house.

Step-by-step explanation:


2 For f(x)=3x(x + 5), find f (-2).
A-18
B 18
C -42
D 42

Answers

Answer:

A. -18

Step-by-step explanation:

» Application

To find the value of f(-2), we have to plug in the value of -2 for each x in the equation.

» Solution

[tex]f(-2)=3(-2)(-2+5)[/tex] [tex]f(-2)=-6(3)[/tex] [tex]f(-2)=-18[/tex]

Thus, f(-2) = A. -18.

Leon is at the lake with his friends. It costs $8.50 to rent a paddleboat for a
1/2
-hour ride. Together, Leon and his friends have $25.50. How long can they ride in a paddleboat if they spend all of their money?

Answers

25.50/8.50=3 half hours or 1 hour 30 minutes

The radius of a circle is 9 centimeters. Enter the circumference of the circle, in centimeters
Round your answer to the nearest hundredth.

Answers

Answer:

56.52 cm

Step-by-step explanation:

Determine the correct path energy follows when using coal or oil to produce electricity.
A. Boiler to Turbine to Generator to Power lines
B. Power lines to Generator to Boiler to Turbine
C. Turbine to Boiler to Power lines to Generator
D. Generator to Turbine to Power lines to Boiler

Answers

The path to convert coal into electricity is Boiler to Turbine to Generator to Power lines, the correct option is A.

What are Fossil Fuels?

Those fuels which have originated from decayed plants and animals over a long period of time are called Fossil fuels.

The correct path energy follows when coal or oil is burnt to produce electricity is

When coal is fired the heat is used to convert water into steam in a boiler.

The steam at high pressure is sent to turbines.

The steam spins the generator to produce electricity which is then sent to the power lines.

Therefore, the correct path is mentioned in option A.

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