lily has some chocolate with a mass of 220g. she eats 30g of the chocolate.
find the percentage of the chocolate she has not eaten

Answers

Answer 1

The percentage of the chocolate she has not eaten is 86.4%

How to find percentage

Total mass of chocolate = 220gMass eaten = 30g

Mass not eaten = Total mass of chocolate - Mass eaten

= 220 - 30

= 190g

Percentage not eaten = 190/220 × 100

= 0.86363636363636 × 100

= 86.3636363636363%

Approximately,

86.4%

Learn more about percentage:

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Related Questions

Write an explicit formula for a_na n ​ , the n^{\text{th}}n th term of the sequence 6, 12, 18, '

Answers

Here , we need to find a formula for nth term of the sequence 6 , 12 , 18 , .....

Now , here if you notice carefully ,then you can notice that 12 - 6 = 6 and 18 - 12 = 6 , So the given sequence is an AP ( Arithmetic Progression ) with common difference being 6 , first term being 6 , so now as we know that :

[tex]{\boxed{\bf{a_{n}=a+(n-1)d}}}[/tex]

Where , [tex]\bf a_n[/tex] is nth term of AP , [tex]\bf a[/tex] being first term while [tex]\bf d[/tex] is the common difference . So , now putting the values in above formula ;

[tex]{:\implies \quad \sf a_{n}=6+(n-1)6}[/tex]

[tex]{:\implies \quad \sf a_{n}=6+6n-6}[/tex]

Cancelling 6 will yield :

[tex]{:\implies \quad \bf \therefore \quad \underline{\underline{a_{n}=6n}}}[/tex]

Henceforth , nth term of the sequence is 6n

I need help I am confused​

Answers

Answer

B

Step-by-step explanation:

Answer: The answer is A. Yes, because every x-value corresponds to exactly one y-value. i hope its right

how to find the area of a cricle

Answers

Answer:

A=πr2

Step-by-step explanation:

radius is half a circle and pi is 3.14

How do you find the discrimminant in algebra?

Answers

Step-by-step explanation:

the discriminant is the part of the quadratic formula underneath the square root symbol : b2 -4ac . the discriminant tells as whether there are two solutions ,one solution , or no solution....

There are 300 kids who go to school 5/8 are intermediate 1/3 are junior the rest are primary

(from my call to teach grade 7 math fractions,decimals,percentages

Answers

Answer:

188 kids in intermediate, 100 juniors, and 13 children that attend primary school.

Step-by-step explanation:

K there are 300 kids.

5/8 are intermediate, so 5/8 * 300 = 187.5, you can't have half a kid, so we can round to 188 kids are intermediates.

1/3 are juniors, so 1/3 * 300 = 100 are juniors.

The rest are primary:

(1)-(5/8 + 1/3)= 1/24

Thus, 1/24 are primary students, so 1/24 * 300 = 12.5 and again we will round up to 13 children in primary classes.

I am not sure if this is answering your question since you don't specifically have one listed.

An identity thief watches someone enter a 4-digit PIN and manages to see the first two digits. If the thief tries guessing the PIN, how many possibilities would there be

Answers

Answer:

There would be 100 possibilities

Step-by-step explanation:

N/A

PLEASE HELP 100 POINTS

Answers

Step-by-step explanation:

the total surface area is the sum of the individual areas.

we have the ground area : a 6×6 square. = 36 cm²

and we have 4 equal triangles.

the area of a triangle is baseline × height / 2.

which is for each of these triangles

6 × 12 / 2 = 3 × 12 = 36 cm²

so, the total surface area of the pyramid is

36 + 4×36 = 5×36 = 180 cm²

Solution:

We know that:

Surface area of square pyramid = Sum of the area of the faces.

This means that:

Surface area of square pyramid = Area of square + 4(Area of triangle)

First, let's find the area of the triangle and square. Then, substitute them in the surface area equation to find the surface area of the pyramid.

Finding the area of a triangle:

1/2 x 12 x 6=> 6 x 6=> 36 cm²

Finding the area of a square:

6 x 6=> 36 cm²

Finding the surface area of the pyramid:

Surface area of square pyramid = Area of square + 4(Area of triangle)Surface area of square pyramid = 36 + 4(36)=> 36 + 144=> 180 cm²

The town of Sickville, with a population of 2603 is exposed to the Blue Moon Virus, against which there is no immunity. The number of people infected when the virus is detected is 95. Suppose the number of infections grows logistically, with k=0.59

Answers

Using the logistic equation, it is found that the number of people infected after t days is given by:

[tex]P(t) = \frac{2603}{1 + 26.4e^{-0.59t}}[/tex]

What is the logistic equation?

It is given by:

[tex]P(t) = \frac{K}{1 + Ae^{-kt}}[/tex]

[tex]A = \frac{K - P(0)}{P(0)}[/tex]

In which:

K is the carrying capacity.P(0) is the initial amount.k is the rate.

In this problem, the parameters are as follows: K = 2603, P(0) = 95, k = 0.59.

Hence:

[tex]A = \frac{K - P(0)}{P(0)} = \frac{2603 - 95}{95} = 26.4[/tex]

Then:

[tex]P(t) = \frac{K}{1 + Ae^{-kt}}[/tex]

[tex]P(t) = \frac{2603}{1 + 26.4e^{-0.59t}}[/tex]

More can be learned about the logistic equation at https://brainly.com/question/25697660

Find the Area of the figure below, composed of a rectangle and a semicircle. The radius of the circle is shown. Round to the nearest tenths place.

Answers

By dividing the figure in a rectangle and a circle, we will see that the area of the composited figure is equal to 149.25 square units.

How to find the area of the image?

The area will be the area of the rectangle plus the area of the semicircle.

We can see that the width of the rectangle is equal to the diameter of the semicircle, and the radius of the semicircle is 5 units, so its diameter is:

2*5 = 10 units.

Then the rectangle measures 11 units by 10 units, then its area is:

A = 10*11 = 110 square units.

In another hand, for a semicircle of radius R the area is:

A = 0.5*3.14*R^2

In this case we have R = 5, replacing that we get:

A = 0.5*3.14*5^2 = 39.25 square units.

Adding these two we get:

Area = 110 square units + 39.25 square units = 149.25 square units.

If you want to learn more about areas, you can read:

https://brainly.com/question/24487155

I need help on this.

For the first one after "by the" the options are...
- side-side interior angles theorem
- same-side interior angles theorem
- vertical angles theorem
- corresponding angles postulate
- alternate interior angles theorem

For the second one after "by the" the options are the same options for the first one.

Answers

sorry I don't give answers

¿Cuál de los siguientes valores de n hace CIERTA
la ecuación n^3-125=0 ?
(A) 121
(B) 5
(C) 0
(D) 3
(E) 12

Answers

Answer:

B

Step-by-step explanation:

n³-125=0

n³=125

n= ³√125

n=5

Express sin I as a fraction in simplest terms 28 21

Answers

Answer:

4/3

Step-by-step explanation:

First, you need to find the greatest common factor between the numerator and denominator. Then you divide the numerator and denominator by thetheir greatest common factor in order to simplify the fraction.

Complete the statements to find the measurements of ∠
and ∠

Answers

Answer:

m<b=50

m<a=60

Step-by-step explanation:

in the rectangle below, AC=48 units. what is DE

Answers

The answer for DE is, DE: 0.5 x 48 = 24

PLS HELP ASAP. Which of the following is 55/42 closest to? 1, 0, 1/2

Answers

Answer:

1

Step-by-step explanation:

55/42

42/42 + 13/42

Making approximations

1 + 0

1

HELPPPPPPPPPPPPPPPPPPPPPPPPPPPPP!!!

Answers

Answer:

10, 17

27, 34

x, x+7

can I have some help with some math does anyone know some math they could help me with ​

Answers

Answer:

It is an irrational number

Step-by-step explanation:

Answer:

D

Hope this helps!!!

Solve for a.
ab + c = d
a = b + cid
a = b/(c - d)
a = (d - c)/b

Answers

Answer:

a = (d - c) / b

Step-by-step explanation:

ab + c = d

ab = d - c ( divide both sides by b to get the formula for a)

a = (d - c) / b

13. If mFGH = (6x + 21) and mFJH = (17x - 28), find mFJH

Answers

The angles FGH and FJH are corresponding angles

The measure of angle mFJH is 46,2 degrees

How to determine the measure of FJH?

The given parameters are:

mFGH = (6x + 21) and mFJH = (17x - 28),

To calculate the angle FJH, we make use of the following equation

mFGH = mFJH

So, we have:

6x + 21 = 17x - 28

Collect like terms

17x - 6x = 21 + 28

Evaluate

11x = 48

Divide both sides by 11

x = 48/11

Recall that:

mFJH = (17x - 28),

So, we have:

mFJH = 17 * 48/11 - 28

mFJH = 46,2

Hence, the measure of angle mFJH is 46,2 degrees

Read more about congruent angles at:

https://brainly.com/question/1675117

Answer:

210°

Step-by-step explanation:

2(6x+21)=17x-28

12x+42/-12x+28=17x-28/-12x+28

70=5x

x=14

mFJH=17(14)-28

=210

30 points!!!!! Please help me with the statements and reasoning please!!!

Answers

Answer:

Given --- <R is the midpoint of SI, <S is congruent to <I

Reflexive Property --- <R = <R

CPCTC---<Q is congruent to <H

OR

Corresponding Angle Theorem --- <Q is congruent to <H

Hopefully this helps! It's been a little while since I've learned this unit

Step-by-step explanation:

Jenny is making a tie-dyed shirts for her class with her school colors

Answers

Answer:

2 ounces of yellow, six of  blue.

Step-by-step explanation:

If you teacher wants you to simplify put: yellow: 1, blue: 3

If not, put: yellow: 2, blue: 6

inches
2 yards 2 inches =

Answers

Answer:

74 inches

Step-by-step explanation:

1 yard = 36 inches

then 2 yards = 72

and 72 + 2 inches = 74 inches

anyone can answer this right now please
What is the solution to the inequality |2x – 3| > 5?

Answers

Answer:

x = 5

2 x 5 = 10

10 - 3 = 7

You could also use a replacement set.

▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬

Replacement Set↓ What x can be

[tex]\left[\begin{array}{ccc}5&6&7\\8&9&10\\11&12&13\end{array}\right][/tex]

And so on.

Please click the thanks button.

Plssssss help need need

Answers

Answer:

D. 14 days

Step-by-step explanation:

the data is in pretty much a linear line, so if you continue with the same slope then the data would show Phoebe having 15 saplings left at approximately 14 days. i hope this helps you!! <3

Predict what the graph of the following quadratic function will look like. (If you have a graphing calculator, you can use it to verify your prediction.)
y = 0.3 x squared minus 5

a.
Upward facing parabola-shaped; y-intercept (5, 0); symmetrical with respect to the y-axis
b.
Downward facing parabola-shaped; y-intercept (0, -5); symmetrical with respect to the y-axis
c.
Upward facing parabola-shaped; y-intercept (0, -5); symmetrical with respect to the y-axis
d.
Downward facing parabola-shaped; y-intercept (5, 0); symmetrical with respect to the y-axis

Answers

Answer:

  c.  Upward facing parabola-shaped; y-intercept (0, -5); symmetrical with respect to the y-axis

Step-by-step explanation:

The positive leading coefficient tells you the graph opens upward. (Eliminates B and D)

The constant -5 tells you the y-intercept is -5. (Eliminates A, which shows an x-intercept, not a y-intercept.)

The function is a vertical translation and scaling of the parent function y=x². There is no translation left or right, so the axis of symmetry remains the y-axis.

__

The correct description is ...

opens upwardy-intercept (0, -5)axis of symmetry is the y-axis

Last season Steven missed 24% of the free throws in his basketball games. In the two first games this season he got to shoot 25 free throws. If his missed free throw percentage holds from last season, about how many free throws did Steven miss during these two games?

Answers

Given:

Last season Steven missed 24% of the free throws in his basketball games.

Free throws in the first two games of this season = 25

His missed free throw percentage holds from last season.

To find:

The number of throws Steven miss during these two games.

Solution:

His missed free throw percentage for this season = His missed free throw percentage of last season = 24%

Free throws in the first two games of this season = 25

So, the number of throws Steven miss during these two games is

[tex]24\%\text{ of }25=\dfrac{24}{100}\times 25[/tex]

[tex]24\%\text{ of }25=\dfrac{24}{4}[/tex]

[tex]24\%\text{ of }25=6[/tex]

Therefore, Steven miss 6 free throws during these two games.

x2−10x+29=5
Step 1 of 2: Using the standard form ax2+bx+c=0 of the given quadratic equation, factor the left hand side of the equation into two linear factors.

Answers

Answer:

(x-6)(x-4) = 0

Step-by-step explanation:

Subtract 5 from both sides to make the equation equal to 0. You will get the equation x2-10x+24=0. Now think of two numbers that multiply to get 24 but add to get -10. These numbers are -6 and -4. The factors of x2 are x and x which multiply to get x2.  Now put two linear factors into parathesis to get (x-6)(x-4) = 0.

What percent of a circle is 3/8 of a circle?

Answers

Answer:

37.5 %

Step-by-step explanation:

Hi there !

8/8 ............. 100%

3/8 ...................x%

x = (3/8*100)/(8/8)

= 300/8 : 1

= 300 : 8

= 37.5 %

Good luck !

Which statement below is false about equations and inequalities?

A. Equations have one solution, while inequalities have multiple.

B. The solution(s) to an equation or inequality can be graphed on a number line.

C. Equations and inequalities have multiple solutions.

D. Equations and inequalities are solved the same way.

Answers

the answer is C

have a nice day ☀︎︎

Hilary was scuba diving. She was 30 feet below the surface when she swam toward the dive platform. She dropped her camera when she was 10 feet from the surface and had to swim down 15 feet to get it. At what elevation did Hilary retrieve her camera? Negative 10 feet Negative 15 feet Negative 25 feet Negative 30 feet

Answers

Answer:

She picked up her camera at -25ft

Step-by-step explanation:

Given

[tex]Initial\ Position = -30ft[/tex]

Required

Determine the position she retrieved her camera

The position where she dropped her camera is given as:

[tex]Position = -10ft[/tex]

She swim down 15ft;

So, the nee position is

[tex]New\ Position = -10ft - 15ft[/tex]

[tex]New\ Position = -25ft[/tex]

Hence; She picked up her camera at -25ft

Note that: Negative signs represent that she is below the sea level

Answer:

C

Step-by-step explanation:

Hilary was scuba diving. She was 30 feet below the surface when she swam toward the dive platform. She dropped her camera when she was 10 feet from the surface and had to swim down 15 feet to get it. At what elevation did Hilary retrieve her camera?

-25feet

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