chelsey needs 18 3/4 grams of chemical x for a science project she found 5 1/2 grams in one container and 11 1/4 grams in another container how much more does she need​

Answers

Answer 1

Answer: C=2

Step-by-step explanation:

Answer 2

Answer:

2

Step-by-step explanation:

5 1/2 + 11 1/4 = 16 3/4

18 3/4 - 16 3/4 = 2


Related Questions

PLEASE HELP ME!! I NEED HELP FAST!

Question 3 (10 points) (08.03/08.05 MC) A pair of equations is shown below:

y = 7x - 8
y = 5x – 2

Part A: Explain how you will solve the pair of equations by substitution or elimination. Show all the steps and write the solution. (5 points)

Part B: If the two equations are graphed, at what point will the lines representing the two equations intersect? Explain your answer. (5 points)​

Answers

Answer:

part A) rearrange the equations to form simultaneous equations:

y-7x=8

y-5x=-2

now eliminate the y values by minusing the two equations:

(y-7x=8)-(y-5x=-2)

to get:

-2x=-6

x=3

now substitute x into one of the equations to get y:

y=5x-2

y=15-2

y=13

[tex]x = 3 \\ y = 13[/tex]

part B) the lines will intercept at (3, 13)

Step-by-step explanation:

hope this helps!

$78 is what % of $120?

Answers

Answer:

Step-by-step explanation:

Step one you make the a SSUMPTION that 120 is 100% since it is your output value, step to you next represent the value you seek with X yes, step three form step one, it follows that hundred percent equals 120, step four in the same VEIN, X percent equals 78, step five it gives you a pair of simple equations like 100% equals 120 (1)
X percent equals 78(2)
And step six you simply divide equation one by equation 2 and taking note of the fact that both the LHS (left-hand side) of both equations have the saying unit( percentage)
Therefore, 78 is 65% of 120

I hope this really helps...

hi guys this one is one whole question it just couldent fit please help

Answers

Answer:

Pentagon and rhombus

Step-by-step explanation:

Need help with math plzz help no links or imma report. 20 point math plzz help me

Answers

Answer:

B. 15

Step-by-step explanation:

We know that we need to make the equation fit for one week. So for Nic we make the equation: 150x+75y. X being the weeks and y being the packages sold. Asia's equation would be 1275x. Make x equal 1, for one week.

150+75y

1275

Then subtract the weekly cash from each other.

1275-150= 1125

Than divide by 75 to see how many packages.

1125/75= 15

15 packages are needed to be sold.

it's all on the picture ​

Answers

The answer is 15
15 +9 = 24

Answer:

j = 15

Step-by-step explanation:

j + 9 = 24

j + 9 - 9 = 24 - 9

j = 15

please help! If you do you will get 'Brainliest'

Answers

Answer:

B

Step-by-step explanation:

It's 75% of the price so find each equation that is equivalent to that value

2(3v - 8)
please help xxxxxxxxxxxxxxxxxxxxxxxxxx

Answers

Answer: 6 v − 16

Step-by-step explanation:

Which is the best simplification of (2^4 x 3*2)/(2 x 3)?

Answers

Answer:

16

Step-by-step explanation:

Please help.
Is algebra.
PLEASE HELP NO LINKS OR FILES.
I don't want links.

Answers

First one is 7x^5 and the second is 10x^4 I believe

A dice is a perfect cube. The length of the side of the dice is 1 cm. The density of a dice is 2 g/cm.
What is the volume of the dice?

Answers

Answer: I handdbbdhddhdndnndnddnndjdjdjdjdjdjdjdjdjdjdjdjdjdjdjd

Step-by-step explanation:

How many different 2-digit numbers can be formed from the digits 4, 6, and 8?

Answers

Answer:

6 answers

Step-by-step explanation:

46,48,68,64,86,84

Please hurry I need this soon and no links

Answers

The correct answer would be B. A chord is a line inside the circle that is not divide the circle in half. I hope this helps!


If you borrow $200 for 12 years at
an annual interest rate of 2%, how
much will you pay altogether

Answers

16.66 is the answer major guess tho
Answer: If you borrow $200 for 12 years at an annual interest rate of 2%, then we have to pay $248 altogether.

Step-by-step explanation:

What is the Percentage?

percentage, a relative value indicating the hundredth parts of any quantity.

Given,

If you borrow $200 for 12 years at an annual interest rate of 2%

We need to find 2% of 200.

Firstly we have to convert  2% to a decimal number by dividing by 100.

2/100=0.02

Now we have to multiply 0.02 with 200

0.02×200=4

For a month it is four.

Now we are calculating for the year

4×12=48

So now the interest amount is 48.

Now add 48 and 200

48+200

248

Hence, If you borrow $200 for 12 years at an annual interest rate of 2%, then we have to pay $248 altogether.

Hope I Helped!

help plsssss need help will give brainliest

Answers

Answer:

[tex]\boxed {\boxed {\sf 22a-14b}}[/tex]

Step-by-step explanation:

We are given this expression:

[tex]17a-10b+5a-4b[/tex]

We are asked to simplify. For this expression, we will need to combine like terms. Like terms are terms with the same variable. In this expression, there are 2 variables: a and b. Use the commutative property of addition to move the like terms together.

[tex](17a+5a)+(-10b+ -4b)[/tex]

Add inside the parentheses.

[tex]22a+ (-10b+-4b)[/tex]

A positive next to a negative, like +- becomes a negative.

[tex]22a+ (-10b-4b)[/tex]

[tex]22a+ -14b \\22a-14b[/tex]

The expression 17a-10b+5a-4b is equal to 22a-14b.

A scale diagram of an Amoeba (a single celled organism) is 5cm wide, representing the real-life Amoeba's width of 0.1mm. Determine the scale factor of the scale diagram and select the best answer choice below. (note: there are 10 millimeters in 1 cm)

Answers

Scale 1:50. 50x0.1 =5

what is the interest earned for $5,000 compounded annually for 4 year at 6%.

Answers

Answer:

Step-by-step explanation:

PLEASE HELP ON A TIMER EXTRA POINTS ONLY ANSWER IF YOU KNOW NO LINKSSSSS THANKS BYE. The triangle represents a scale drawing that was created by using a factor of 2. 5 in. 5 in. 5 in. [Not drawn to scale] Which is true of the measures of the sides of the original triangle? 1 O Each side of the original triangle is į the length of each side of the scale drawing. Each side of the original triangle is 2 times the length of each side of the scale drawing​

Answers

Answer:

Each side of the original triangle is 1/2 the length of each side of the scale drawing

Step-by-step explanation:

The scale drawing was created using a factor of 2 ⇒ each side of the original triangle was multiplied by 2 ⇒ the original triangle lengths are half the size of the scale drawing

Answer:

Each side of the original triangle is 2 times the length of each side of the scale drawing.

NEED HELP ASAP
Complete the next equation to show the relationship between the number of ounces of oil and vinegar in the recipe.

Answers

Answer:

3!

Step-by-step explanation:

its 3, 8x3 would equal 24.

Answer: is x3

Step-by-step explanation:

Because it equals 24

PLEASE HELP THIS IS URGENT>>>>NO LINKS!!

Answers

Answer:

i believe that the answer is c

Which measurement is closest to the area of the circle in square feet?

Answers

Answer:

314

Step-by-step explanation:

search "what is the area of a circle if the radius is 10"

Brainliest and 15 points if you get this problem right! NO LINKS= No BRAINLIEST

Answers

Answer:

1. Movie B

2. Movie C

3. 40 years old

Step-by-step explanation:

Answer:

Part 1 = Movie B.

Step-by-step explanation:

Part 2. Movie C

Part 3. 40

Consider right triangle △ABC below.

Which expressions are equivalent to sin(∠B)?
Choose two answers:
A: tan(∠A)
B: length of side adjacent to ∠A/length of hypotenuse
C: sin(∠A)
D: AC/AB

Answers

Answer:

Khan academy

Step-by-step explanation:

The expressions that are equivalent to sin(∠B) are option (B) length of side adjacent to ∠A/length of hypotenuse and option (D) AC/AB are the correct answers.

What is trigonometry?

Trigonometry is mainly concerned with specific functions of angles and their application to calculations. Trigonometry deals with the study of the relationship between the sides of a right-angled triangle and its angles.

For the given situation,

From the diagram,

The right angle is at ∠C, so opposite to that side is hypotenuse.

If we consider angle at ∠B, then the side opposite to that side is opposite side and the other side is adjacent side.

Thus, Sin∠B = [tex]\frac{oppposite}{Hypotenuse}[/tex]

⇒  Sin∠B = [tex]\frac{AC}{AB}[/tex]

From the options, now check which options is equivalent to Sin∠B,

Option (A): tan(∠A)

Now, consider the angle at ∠A,

so,   [tex]tan(\angle A)=\frac{oppposite }{adjacent}[/tex]

⇒  [tex]tan(\angle A) =\frac{CB}{AC}[/tex]

Option A is not equivalent to sin(∠B).

Option (B): length of side adjacent to ∠A/length of hypotenuse

⇒ [tex]\frac{AC}{AB}[/tex]

Option B is equivalent to sin(∠B).

Option C: sin(∠A)

[tex]Sin(\angle A)=\frac{CB}{AB}[/tex]

Option C is not equivalent to sin(∠B).

Option D: AC/AB

Option D is equivalent to sin(∠B).

Hence we can conclude that the expressions that are equivalent to sin(∠B) are option (B) length of side adjacent to ∠A/length of hypotenuse and option (D) AC/AB are the correct answers.

Learn more about trigonometry here

https://brainly.com/question/16965914

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10x 3 + 5y 2 + 2xy – 4y 2 + 4xy – x 3
simplify

Answers

Answer:

6 x y + 27 x + 2 y

Step-by-step explanation:

Answer:

9x^3 + y^2 + 6xy

Step-by-step explanation:

10x^3 + 5y^2 + 2xy - 4y^2 + 4xy - x^3

9x^3 + y^2 + 6xy

sam is building a model or an egyptian pyramid out of cardboard. he plans to make asquare base with an edge of 16 inches. The height of each triangular face is 9 inches . Determine the total amount of cardboard he will use for all the surfaces in square inches

Answers

Answer:

544

Step-by-step explanation:

please help 15 pointssssss

Which one is it

Answers

Answer:

D

Step-by-step explanation:

x = 8

5×8=40

40-6=34

34+57+89=180

angles of a triangle is equal to 180 degrees

Hope this helps

Kind Regards

Farah Syed

Drag the correct number of pieces to show how to find the area of the shaded figure in two different ways. Pieces can be rotated to fit.

Answers

Answer:

Step-by-step explanation:

As you can see from the attached picture below, the only figure that is equal to 5 whole units would be the final triangle. That is because it has 2 whole units in the middle, two half units in the top which equal 1 whole unit. And 2 units in each side corner which when combined would equal 2 whole units making it a total of 5. The rest of the shapes either hold more than 5 or less than 5 units. In the picture below, the top 3 shapes hold more than 5 units while the bottom two triangles hold less than 5.

Figure 1 is dilated to get Figure 2.

What is the scale factor?

Answers

Answer:

2/3

Step-by-step explanation:

6/9 in simplest form is 2/3. That's the scale factor :)

The Ferris wheel at a state fair has a radius of 60 feet,
rotates at a constant speed, and completes 1 rotation in
4 minutes. How many degrees does the Ferris wheel
rotate in 30 seconds?
A. 20°
B. 24°
C. 30°
D. 45°
E. 48°

Answers

I think the answer is E

Find the volume of a right circular cone that has a height of 13 m and a base with a diameter of 3.4 m. Round your answer to the nearest tenth of a cubic meter.​

Answers

Answer:

472.308 m^3

Step-by-step explanation:

= 22÷7×3.4×3.4×13

=472.308 m^3

I hope this will help you and plz mark me brainlist

a) how many 15-year old students took part in the survey?

Answers

By observing the frequency polygon,

the number of 15 year old students who took part in the survey are 300.

What is frequency polygon?

A frequency polygon is almost identical to a histogram, which is used to compare sets of data or to display a cumulative frequency distribution. It uses a line graph to represent quantitative data.

To calculate the number of students, we add all frequency points corresponding to the time intervals.

Learn more about frequency polygon here

https://brainly.com/question/1581651

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