Marking brainiest
Jessica melts 200 grams of dark chocolate that contains 60% cocoa and mixes it with 200 grams of milk chocolate that contains 30% cocoa


What is the concentration of cocoa in the resulting mixture?

Answers

Answer 1

Answer:

45%

Step-by-step explanation:

200g milk chocolate

200g dark chocolate

= 400g of chocolate

x = the %

x/100 = 180/400

18000 = 400x

x = 45

45%


Related Questions

Mr. Marcus is splitting a huge new pack of colored pencils equally among 25 students after splitting the pencils he has 4 left if there were 429 colored pencils to begin with how many did each student receive

Answers

Answer:

hIm so sorry for that other person they did the same thing to my answer and a bunch of other people too iecked there account and reported him many times so sorry but can give you the answer :)

Its 17 if i id math correctly! sorry bout the other person have a great day

Step-by-step explanation:

is 4 yards greater than or less than 10 feet​

Answers

4 yards is greater than 10 feet
Yes it is I’m pretty sure

Question 3: i’ll mark u brainliest

Answers

Answer:

26

Step-by-step explanation:

56cm-48cm=8cm

18cm+8cm=26cm

this is so easy if you ask me u already know the answer and the answer is definitely 26 so make sure to like and rate my answer because that's why I mainly help people to get more points but as I just started it is difficult because people have got twice more than me

plzzzzzzzzz help
Volume of the following triangular prism is 960 cm3…
a) Determine the length of the base of the triangle.
b) Determine the area of the triangle.
help plz

Answers

Answer:

Step-by-step explanation:

a). By applying Pythagoras theorem in right triangle ABC,

AC² = AB² + BC²

20² = 16² + BC²

BC = [tex]\sqrt{400-256}[/tex]

     = 12

Therefore, another leg of the triangular base = 12 cm

Area of the triangular base ABC = [tex]\frac{1}{2}(\text{Base})(\text{Height})[/tex]

                                                      = [tex]\frac{1}{2}(16)(12)[/tex]

                                                      = 96 cm²

Volume of a triangular prism = Area of the triangular base × height

                                       960 = 96 × b

                                          b = 10 cm

b). Area of the triangle ABC = 96 cm²

Consider the division problem 1/2 ÷ 3. Describe a situation this division could represent. Then find the solution.

Answers

Answer:

Mary has two friends over, she wants to split half of a cake she has left over into thirds for her and her friends. 1/2 ÷ 3 is 1/6. This means that each friend will get 1/6 of the full cake.

Step-by-step explanation:

I make up stories and know how to divide fractions. To solve a division problem like this you want to take the 3 and turn it into 3/1. then, flip the 1/2 around to it is 2/1. Then, multiply the two together.

I will give brainiest to whoever answers correctly !!

Answers

Answer:

$10511.075

Step-by-step explanation:

Given :

Interest rate, r =. 1.25% = 0.0125 compounded semianually

Principal = 10000

Number of years, t = 4 years

Compound interest :

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

A = final amount ; n = number of compounding times per period

n = 2 (quarterly)

A = 10000(1 + 0.0125/2)^2*4

A = 10000(1 + 0.00625)^8

A = 10000(1.00625)^8

A = 10000 * 1.051107529

A = 10511.075

Final. Amount to. Be repaid = $8515.13

hhhhhhheeeeeeeeeeellllllllllllllllpppppppppp mmmmmmmmmeeeeeeeeeeee pppppppplllllllllleeeeeaaaaaaaaassssseeeeee!!!!!!!

Answers

35 Celsius but it really depends on your opinion

Solve the inequality below. Use the drop-down menus to describe the solution and its graph.
- 7x+13 > 41
Plss help me

Answers

Answer: The Solution to inequality is _______ (x < -4). A graph of the solution should have______  (A filled-in circle at -4) and should be shaded to the ____ (left)

Hope this helps! Please people give more explantions like this Y'ALL MAKE IT COMPLICATED! :)

Someone Please help solve this asap

Answers

Answer:

Part A: Peter is, based on the graph, Peter's line is steeper(or has a higher slope) than Gina's.

Part B: Gina, She started with 70, while Peter started with 20. Based on the graph

Part C: They had the same amount of money on week 10, both of their dots are on the same point. Based on the graph.

Part D: Y = 10x + 20.

Part E: Y = 5x + 70

Step-by-step explanation:

An airplane flies 515.3 kilometers per hour.
Traveling at a constant speed, how far does the
airplane fly in 30 minutes?
Round to the nearest hundredth.

Answers

Answer:

Step-by-step explanation:

Jim bought 16 articles. Some of them cost $2 each and the others cost $5 each. The total cost was $50. How many of each did Jim buy?

Answers

Answer: Six $5 ones and 10 $2 ones.

Step-by-step explanation:

Identify whether the given value is a statistic or parameter:

In a random sample of U.S. households, it was found that 72% have high-speed Internet.

Answers

Answer:

The value is a statistic, since it is from a sample.

Step-by-step explanation:

If the value is from a population, it is a parameter.

Otherwise, if the value is from a sample, it is a statistic.

In this question:

In a random sample of U.S. households, it was found that 72% have high-speed Internet.

The value is from a sample, so it is a statistic.

there are 9 marbles in a bag, 3 of those marbles are red. what is the probability of picking a red marble randomly from the bag?
answer as a simplified fraction in form a/b

Answers

Answer:

1/3 because there's more of the other marbles than red

Step-by-step explanation:

Help! I’m trying to help my friend get caught up who had been ill.

Answers

Answer:

down below

Step-by-step explanation:

i answered so that the other guy can get a brainliest:)

12 out of 15 randomly selected
students in a class said they would vote
for Kim for class president.
Which is most likely true about all 35
students in the class?

Answers

Answer:

28 students would vote for kim

Step-by-step explanation:

Well first you do 12/15 which would be 0.8

Now to find how many students in that class said they would vote for Kim for class president, we multiply 0.8 by 35 to get that 28 students said they would vote for kim

Image P is shown in the coordinate grid Image P is translated 2.5 units to the right and 3.5 units up to create image P'.
6
Image P
1
2 3
4
Which rule describes this transformation?

Answers

Answer:

Here we do not have the image P, but let's solve this in a general way.

Suppose that we have a point A (x,y)

If we translate the point A n units horizontally (where n can be positive, translation to the right, or negative translation to the left.)

The new point will be (x + n, y)

if we translate the point m units vertically (if m is positive the translation is upwards, if m is negative the translation is downwards), the new point will be (x + n, y + m)

Then if our figure was p (x, y)

The new figure is p(x + 2.5, y + 3.5)

So for every point in the figure, we need to add 2.5 to the x component, and 3.5 to the y-component.

I need help plz solve this 54 = 6B

Answers

Answer:

b=9

Step-by-step explanation:

54=6b

b=9

(divide by 6 to get b alone)

b= 9 because 6(9)=54

Please somebody help!!!!

Answers

Answer:

A. 442.05

Step-by-step explanation:

✔️First find the radius of circle J:

θ = 43°

Acr length = 52.8

Thus,

Acr length = θ/360*2πr

Plug in the values

52.8 = 43/360*2*π*r

52.8 = 0.751r

Divide both sides by 0.75

52.8/0.75 = r

r = 70.4 (nearest hundredth)

✔️Find the Circumference of circle J:

Circumference = 2πr

Radius (r) of circle J = 70.4

Plug in the values

Circumference = 2*π*70.4

= 442.34

This is close to the answer in option A. Therefore, the answer is 442.05.

pls help me, i’ll give brainly

Answers

Answer/Step-by-step explanation:

First, find the slope (m) of Line L using the points (0, 5) and (2, 1):

[tex] slope (m) = \frac{y_2 - y_1}{x_2 - x_1} = \frac{1 - 5}{2 - 0} = \frac{-4}{2} = -2 [/tex]

Slope (m) = -2

✔️Since the line is parallel bro Line L, it would also have the same slope value of -2.

We can use the slope (m) and a point (a, b) of the line to find its equation using the point-slope formula, y - b = m(x - a).

Substitute (a, b) = (3, 0), and m = -2 into y - b = m(x + a):

Thus,

✅y - 0 = -2(x + 3)

Rewrite equation in slope-intercept form

y = -2(x + 3)

✅y = -2x - 6

graph -3x+y=10 using slope-intercept form

Answers

I graphed it using slope-intercept form.

Answer:

Slope-intercept form: (y=mx+b) y=3x+10

To graph, place points at (-2, 4), (-3, 1), and (-4, -2), then draw a line connecting them

Step-by-step explanation:

The 10 in the equation represents where the line will intercept the y-axis. The 3x means that for every 1 unit you move to the right, you move 3 units up (or 1 to the left, 3 units down).

Janie was having a party and bought glow sticks for her 9 friends for $0.89 cach. If she pays with a $10 bill, how much change will she get back?"​

Answers

$1.99. 9 x .89 is 8.01. subtract that from 10 and you get your change.

write the equation of the line for the following table of values.


x. -3 -5 -7 -9 -11


y. -16 -26 -36 -46 -56


Plz helppp 35 points:)​

Answers

Answer:

We conclude that the equation of the line is:

[tex]y = 5x + 1[/tex]

Step-by-step explanation:

The slope-intercept form of the line equation

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

where

m is the slopeb is the y-intercept

Given the data table

x      -3 -5 -7 -9 -11

y      -16 -26 -36 -46 -56

From the table taking two points

(-3, -16)(-5, -26)

Determining the slope between (-3, -16) and (-5, -26)

[tex]\mathrm{Slope}=\frac{y_2-y_1}{x_2-x_1}[/tex]

[tex]\left(x_1,\:y_1\right)=\left(-3,\:-16\right),\:\left(x_2,\:y_2\right)=\left(-5,\:-26\right)[/tex]

[tex]m=\frac{-26-\left(-16\right)}{-5-\left(-3\right)}[/tex]

[tex]m=5[/tex]

Thus, the slope of the line is:  m = 5

substituting m = 5 and (-3, -16) in the slope-intercept form of the line equation  to determine the y-intercept b

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

-16 = 5(-3) + b

-16 = -15 + b

b = -16+15

b = 1

Thus, the y-intercept b = 1

now substituting m = 5 and b = 1 in the slope-intercept form of the line equation

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

[tex]y = 5x + 1[/tex]

Therefore, we conclude that the equation of the line is:

[tex]y = 5x + 1[/tex]

Need help with this:(

Answers

Nathan I’m sorry to tell you but I am the most confused I have ever been

Answer:

x=0

y=-3

Step-by-step explanation:

help please....and thank you

Answers

yards i’m pretty sure.

a cube has six faces what is the probability that the the number 4 will land face up

Answers

1:6 chance of landing face up

1:6

please mark me brainliest and follow me my friend.

Add pairs of adjacent numbers and write their sums in the box above them. What number is at the top of the pyramid?

Answers

Answer: 62

Step-by-step explanation HI

Answer is no longer needed..

Answers

Answer:

WARNING DO NOT JOIN THE ZOOM OF 825 338 1513⚠ OR DO NOT JOIN ANY ZOOMS FROM ANYONE EXCEPT REAL LIFE FRIENDS OR FRIENDS FAMILY OR TEACHERS! HIS ZOOM NAME IS Mysterious Men HE ASKS GIRLS TO DO INAPPROPRIATE THINGS PLS COPY AND PASTE THIS TO OTHER COMMENT SECTIONS! PLS PASS THIS AROUND!

Please find x....................

Answers

Answer:

x = 14.1

Step-by-step explanation:

Reference angle = 62°

Side opposite to reference angle = x

Hypotenuse = 16

Applying trigonometric ratio, thus:

Sin 62 = x/16

Multiply both sides by 16

16*sin 62 = x

14.1271615 = x

x = 14.1 (nearest tenth)

Lydia wants to find the height of a flagpole. She measures the height of a tree and the length of the shadow it casts. The tree is 14 feet tall, and its shadow is 21 feet long. Next, Lydia measures the shadow cast by the flagpole, and finds it is 30 feet long. What is the height of the flagpole?

Answers

draw a diagram.

the two are similar bc of AAsimilarity

so 8.8 is to 4 as 22 is to x

basically the answer is 10 ft tall

A national census is mandated by the Constitution of Pakistan to be held every ten years. After the independence of Pakistan in 1947, the first census took place in 1951. Figure 1 reflects the increase in population of Pakistan during last four national census. The increase between 1972 and 2017 could be approximated by a linear function. If in 1972 the population was 65.309 million and as per the census data of 2017 the population was 207.774 million;

a) Determine the estimation function P = f (t), where P equals the population of Pakistan and t equals time measured in years since 1972.
b) Interpret the slope and P intercept
c) According to this function, what will be the estimated population of Pakistan in 2027 census?

Answers

Answer:

a) [tex]P(t) = 3166t + 65309[/tex]

b) The slope of 3166 means that each year, the population increases, on average, by 3166 million people.

The P-intercept of 65309 means that the population of Pakistan in 1972 was of 65309 million people.

c) The estimated population of Pakistan in 2027 will be of 239 439 million people.

Step-by-step explanation:

Linear function:

In this question, the linear function for the Population in Pakistan in t years after 1972 is given by the following equation:

[tex]P(t) = mt + P(0)[/tex]

In which P(t) is given in millions of people.

In which m is the slope, that is, the average number by which the population changes each year, and P(0) is the population in 1972.

a) Determine the estimation function P = f (t), where P equals the population of Pakistan and t equals time measured in years since 1972.

In 1972, the population was of 65.309 million. This means that [tex]P(0) = 65.309[/tex].

So

[tex]P(t) = mt + 65.309[/tex]

In 2017, the population was 207.774 million.

2017 - 1972 = 45

This means that [tex]P(45) = 207.774[/tex]. So

[tex]207774 = 45m + 65309[/tex]

[tex]45m = 207774 - 65309[/tex]

[tex]m = \frac{(207774 - 65309)}{45}[/tex]

[tex]m = 3166[/tex]

So

[tex]P(t) = 3166t + 65309[/tex]

b) Interpret the slope and P intercept

Following the explanation before item a:

The slope of 3166 means that each year, the population increases, on average, by 3166 million people.

The P-intercept of 65309 means that the population of Pakistan in 1972 was of 65309 million people.

c) According to this function, what will be the estimated population of Pakistan in 2027 census?

2027 - 1972 = 55

So this is

[tex]P(55) = 3166*55 + 65309 = 239 439[/tex]

The estimated population of Pakistan in 2027 will be of 239 439 million people.

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