How much is 3 tenths if 40 secret objects​

Answers

Answer 1

Answer:

12

Step-by-step explanation:

=40*3/10

=120/10

=12


Related Questions

Two situations are given in the table below. Drag the words to show which situation is modeled by an expression and which is modeled by an equation. CLEAR CHECK Equation Expression Situation Expression or Equation:
6 minutes longer than Laura.
Ken sang 6 minutes longer than Laura.

Answers

The phrase “6 minutes longer than Laura” is an expression,

What is an expression?

Expression in mathematics is defined as the collection of numbers variables and functions by using signs like addition, subtraction, multiplication, and division.

We are given that;

6 minutes longer than Laura and Ken sang 6 minutes longer than Laura.

Now,

Because it does not have an equal sign. It can be written as L + 6, where L is the number of minutes that Laura sang.

The sentence “Ken sang 6 minutes longer than Laura” is a situation that can be modeled by an equation, because it involves a relationship between two quantities. It can be written as K = L + 6, where K is the number of minutes that Ken sang and L is the number of minutes that Laura sang.

Therefore, by the given statement answer will be expression.

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Please Help!!!!!
You will be deeply appreciated
I need this for a test!​

Answers

Answer:

C. 99

Step-by-step explanation:

The number are all less than 50 and then there is only one number that is greater than 50. The number is 99. Because it is a number that is not close to the average numbers at all, it is the outlier.

If this answer has helped you, please mark as brainliest

Answer:

C. 99

Step-by-step explanation:

an outlier is a number that is dralastically diffrent then the rest

what is the square root of 16 to the nearest tenth

Answers

Answer:

4

Step-by-step explanation:

4 x 4 = 16

hope dis helps :)

Answer:

the square root of 16 is 4 the nearest tenth is 4

can anyone help with the math i have posted please?

Answers

Where is it? I don’t see it

HELP PLEASE 50 POINTS WILL GIVE BRAINLIEST Drag and drop the expressions into the boxes to correctly complete the proof of the polynomial identity.

(x^2+y^2)^2+2x^2y2−y^4=x^2(x2+4y^2)

Answers

Answer:

the 6th expression, the 4th expression, the 1st expression

Step-by-step explanation:

Noah wrote the expression 10m - 2c to represent the following scenario.
A bakery sells muffins for $2 each and cakes for $10 each. Write an expression that gives the amount of money, in
dollars, the bakery makes from selling m muffins and c cakes.
Explain why Noah's expression is incorrect. Provide the correct expression that represents the scenario.

Answers

Answer:

Noah's expression is wrong because he used the wrong coefficients for the variables, and he used a subtraction sign instead of an addition sign.

The correct expression is 2m + 10c

Step-by-step explanation:

Noah is incorrect because he used the wrong coefficients for both of the variables in the expression.

Since muffins are $2 each, and m is the number of muffins, the amount of money made from the muffins is 2m, not 10m.

Similarly, since cakes are $10 each, and c is the number of cakes, the amount of money made from the cakes is 10c, not 2c.

Noah is also incorrect because he used a subtraction sign instead of an addition sign. The amounts made from the muffins and cakes have to be added together.

Putting all of this together, the correct expression is 2m + 10c.

Why is the average approaching 3.5?

Answers

Because since the mean of 1-6 is 3.5, it will eventually stabilize at that point.

There are no remaining rolls, and the average approaching 3.5 is simply the current average of 3.51.

What is a mean?

It is the average value of the set given.

It is calculated as:

Mean = Sum of all the values of the set given / Number of values in the set

We have,

To find the average approaching 3.5, we need to use the concept of the mean or expected value.

The expected value of a random variable is the long-run average value that we would expect to get if we repeat an experiment many times.

In this case, we can consider each roll of a die as an experiment, and the value of the die as the random variable.

Assuming that the die is fair and has six equally likely outcomes, each with a value between 1 and 6, the expected value of the die is:

E(X) = (1 + 2 + 3 + 4 + 5 + 6)/6 = 3.5

Therefore, if we roll the die many times, we would expect the long-run average value to be 3.5.

Now, if we have rolled the die 3200 times and the average so far is 3.51, we can calculate the sum of all the values rolled so far as:

Sum = (Average so far) x (Number of rolls) = 3.51 x 3200 = 11232

To find the average approaching 3.5, we need to calculate the average of the remaining rolls. Let's call the number of remaining rolls "n". Then we have:

Average approaching 3.5 = (Sum of remaining rolls) / n

We know that the total number of rolls is 3200, so the number of remaining rolls is:

n = 3200 - (number of rolls already rolled)

n = 3200 - 3200 = 0

Therefore,

There are no remaining rolls, and the average approaching 3.5 is simply the current average of 3.51.

Learn more about mean here:

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Mhanifa or anyone please answer!! Find x

Answers

Answer:

[tex]x=2.05[/tex]

Step-by-step explanation:

To solve this problem, use the trigonometric ratios. The trigonometric ratios for a right triangle (a triangle with a right angle are the following).

[tex]sin(\theta)=\frac{opposite}{hypotenuse}\\\\cos(\theta)=\frac{adjacent}{hypotenuse}\\\\tan(\theta)=\frac{opposite}{adjacent}[/tex]

In this case, one is given the hypotenuse (the side opposite the right angle) and one is asked to find the side adjacent to the given angle. Therefore, it would make the most sense to use the trigonometric ratio of cosine ([tex]cos[/tex]).

[tex]cos(\theta)=\frac{adjacent}{hypotenuse}[/tex]

Substitute,

[tex]cos(47)=\frac{x}{3}[/tex]

Inverse operations,

[tex]3(cos(47))=x[/tex]

Simplify,

[tex]x=2.05[/tex]

Answer:

[tex]x=2.0459[/tex]

Step-by-step explanation:

[tex]Cos 47=\frac{x}{3}[/tex][tex]x=3*Cos47[/tex][tex]2.0459[/tex]

»»————- ♔ ————-««

hope it helps...

have a great day!!

BJ purchased five candy bars ($.79 each) three sodas ($.169)each and four bags of chips ($.89 each). What percent of the total order was spent on sodas? 

Answers

Answer:

12.0%

Step-by-step explanation:

PLEAEEE PLEAEE AHHHHHHH

Answers

Answer:

116cm^2

Step-by-step explanation:

mark me brainliest!

I need help on this :(

Answers

4(-2)^2(-1)^3

4 x 4 x -1

Correction answer D: -16

Answer:

-16

Step-by-step explanation:

4×(-2)²×(-1)³

=4×4×-1

=-16

Eight friends want to play enough games of chess to be sure everyone plays everyone else. How many games will they have to play?

Answers

Everyone will have to play 21 games

The number of games, the friends have to play is an illustration of combination.

They have to play 28 games to ensure that they all play

Given

[tex]n = 8[/tex] --- number of friends

[tex]r = 2[/tex] --- only two friends can play at a time

For everyone else to play, we will make use of the following combination formula;

[tex]^nC_r = \frac{n!}{(n - r)!r!}[/tex]

So, we have:

[tex]^8C_2 = \frac{8!}{(8 - 2)!2!}[/tex]

[tex]^8C_2 = \frac{8!}{6!2!}[/tex]

Expand

[tex]^8C_2 = \frac{8 \times 7 \times 6!}{6! \times 2 \times 1}[/tex]

[tex]^8C_2 = \frac{8 \times 7}{2 \times 1}[/tex]

[tex]^8C_2 = 4 \times 7[/tex]

[tex]^8C_2 = 28[/tex]

Hence, the 8 friends have to play 28 games to ensure that everyone else plays

Read more about combinations at:

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A fireman leaned a 28 foot ladder against a building. If he placed the ladder 14 feet from the base of the building, what angle is formed between the ladder and the ground

Answers

Answer:

The ladder makes an angle of 60 degree from the ground.

Step-by-step explanation:

Length of the ladder, L = 28 feet

distance of ladder, d = 14 feet

Let the angle formed with the ground is A.

According to the trigonometry

[tex]\cos A =\frac{d}{L}[/tex]

[tex]\cos A =\frac{14}{28}[/tex]

cos A = 0.5

A = 60 degree

if ur good at graphs come here.

Answers

Answer:

Believe its D

Step-by-step explanation:

Answer:

(-6,-12) let me know if wrong

Step-by-step explanation:

Mark me brainliest plz

The circumference of a circle is 11pi m (meters)
What is the area, in square meters?
Express your answer in terms of pi.

Answers

Answer:

10 square meters

Step-by-step explanation:

Simplify.√75
A.3√5 B.15√5 C.25√3 D. 5√3

Answers

D, square root of 75= 5 square root 3

A dolphin is swimming 20 feet below the surface. It descends another 10 feet before rising 2
feet. How far below the surface is it now? {Show the number sentence.

Answers

Answer:

28 feet

Step-by-step explanation:

20 + 10 = 30 - 2 = 28 feet

The dolphin is 20 feet below the surface, goes down another 10 feet, so 30 feet below the surface, and raises two feet, so 28 feet below the surface.

In the movie hidden figures what does the cop do to or For the three ladies

Answers

Answer:

the cop offers them a police escort all the way to Langley

Step-by-step explanation:

having a car full of african americans in a car chase a police all the way too Langley.

Find the area!!!!!!! thanks

Answers

I’m pretty sure it’s joe, but rip Candice

. The land area of Charlotte, NC is approximately 3 x 102 square miles.
There are 6.4 x 102 square acres in a square mile. How many square
acres are in the city of Charlotte?
A 1.92 x 105 square acres
B. 2.13 x 104 square acres
C. 4.7 x 105 square acres
D. 9.4 x 104 square acres

Answers

Answer:

Option A

Step-by-step explanation:

Land area of Charlotte, NC = [tex]3\times 10^2[/tex] square miles

Scale to be used,

1 square miles = [tex]6.4\times 10^2[/tex] square acres

By this scale,

[tex]3\times 10^2[/tex] square miles = [tex](6.4\times 10^2)\times(3.2\times 10^2)[/tex] square acres

                                  = [tex](6.4\times 3)\times 10^{2+2}[/tex]

                                  = [tex]19.2\times 10^4[/tex] square acres

                                  = [tex]1.92\times 10^5[/tex] square acres

Therefore, Option A will be the correct option.

Find the Difference: 0.325-0.01

Answers

Answer:

= 0.315

Step-by-step explanation:

hope this helps :)

A stock market analyst observes the following for the price of two stocks that he owns, one of which is increasing at an exponential rate (geometric) and the other is increasing in a linear fashion (arithmetic).

Stock A: Equation: an = 15n + 143, where an is the value of the stock and n is the number of years.


Year Price
1 $158.00
2 $173.00
3 $188.00
4 $203.00
5 $218.00


Stock B: Equation: an = 24(1.1)n − 1, where an is the value of the stock and n is the number of years.

Year Price
1 $24.00
2 $26.40
3 $29.04
4 $31.94
5 $35.14


Assuming these stock values continue to increase in the same manner until retirement, which stock option is worth more in 50 years and how much more is this stock worth per share?

HELPPPPPP 100 POINTS PLEASE

Answers

Answer:

Use the formulas and find 5th term of both and compare

Stock A

a₅₀ = 15(50) + 143 = $893

Stock B

a₅₀ = 24(1.1)⁴⁹ = $2561.25

As we see Stock B share has greater value in 50 years and the difference is:

$2561.25 - $893 = $1668.25

Find 50th term on both

#1

15(50)+143893

#2

24(1.1)^{50-1}24(1.1)⁴⁹2561.25

Difference

2561.25-893$1668.25

Marco is reconstructing his expenses for the past two weeks. Here are the records of his expenses:

Transaction
Cost ($)
T-shirt
20
Gas
22
Movie
13
Video game
39
Jeans
34
Hat
15
Books
31

Marco’s bank statement says that he has an ending balance of $81. What is Marco’s starting balance?

Answers

Answer:

255 - A

Step-by-step explanation:

81+31+15+34+39+13+22+20=255

Which ordered pair is a solution of the equation? −7x+3y=2

Answers

answer:

(-2/7, 2/3)

step-by-step explanation:
-7x + 3y = 2
x = 0
-7(0) + 3y = 2
3y = 2
/3 /3
y = 2/3
y = 0
-7x + 3(0) = 2
-7x = 2
/-7 /-7
x = -2/7
(-2/7, 2/3)

Answer:

(-2/7,2/3)

Step-by-step explanation:

Let's solve for x.

−7x+3y=2

Step 1: Add -3y to both sides.

−7x+3y+−3y=2+−3y

−7x=−3y+2

Step 2: Divide both sides by -7.

−7x/ −7 = −3y+2/ −7

x= 3/ 7 y+ −2/ 7

Answer:

x= 3/ 7 y+ −2/ 7

Let's solve for y.

−7x+3y=2

Step 1: Add 7x to both sides.

−7x+3y+7x=2+7x

3y=7x+2

Step 2: Divide both sides by 3.

3y/ 3 = 7x+2/ 3

y= 7/ 3 x+ 2/ 3

Answer:

y= 7/ 3 x+ 2/ 3

What is the perimeter,in centimeters of triangle QRS?

Answers

Answer: 60

Step-by-step explanation:

You have to use Pythagorean Theorem because the other side is not listed of the triangle

Pythagorean Theorem: a² + b² = c²

a²  + 20²  = 25²

a²  + 400 = 625

625-400 = a²

a²  = 225

Find the square root of 225 to find the missing length

[tex]\sqrt{225}[/tex] = 15 (this is the missing length for QS

To find the perimeter, add all the sides...

15 + 20 +25 = 60

5 1/3 - 2 4/9= What is the answer?

Answers

Answer:

5 1/3 - 2 4/9 = 26/9

26/9 simplified equals 2 8/9

Step-by-step explanation:

I hope that my answer has helped you to understand you questions asked. If you have any further questions, please put them below.  

Have a great rest of your day/night!

Answer:

[tex]2\frac{8}{9}[/tex]

Step-by-step explanation:

Please help I am really confused with this​

Answers

Answer:

Step-by-step explanation:

volume of sphere =  4/3*pie*radius cubed

4/3*pie*27 = 36pie

113cmcubed to the nearest whole number

Answer:

A. 113 cm

Step-by-step explanation:

Formula: [tex]\frac{4}{3}\pi r^{3}[/tex]

So: [tex]\frac{4}{3}\pi 3^{3}= 113.0973355[/tex]

Also PLZ give Brainliest!!

The wholesale price for a watch is $25. The markup percent is 50%. What is the retail price?

Answers

Answer:

$50

hope this helps!!!!!!!!!

The surface area of a cylinder with height 2 in. is given by the function f(x) = 2πx2 + 4πx, where x is the radius. If g(x) = 4πx gives the surface area of the side of the cylinder, which combined function gives the total surface area of the two circular bases?

A. f + g
B. g − f
C. f − g
D. f · g

Answers

Answer:

C f - g

Step-by-step explanation:

the surface area of a cylinder consists of the two circles (1 at the top, 1 at the bottom) and the surrounding "mantle", the side of the cylinder, that connects the two circles.

there are no other parts.

so, when the function for the whole surface area is

SA(x) = f(x) = 2×pi×x² + 4×pi×x

and the side/ mantle area by itself is

g(x) = 4×pi×x

then when ignoring the side/mantle area part in f(x) the only thing left of the main function f(x) is the surface area of the two circular bases.

therefore, the solution for the function of the surface area of only the two circular bases must be the main function minus the function for the side/mantle area.

=> f - g

What are the solutions of this quadratic equation?
25 points

Answers

The correct answer is B.
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