Mathematics High School

In a class of 34 students…

> 12 study German
> 25 study Spanish
> 6 do not study either language

One student in the class is selected at random.

Find the probability that this student studies both languages.

In A Class Of 34 Students > 12 Study German > 25 Study Spanish> 6 Do Not Study Either LanguageOne

Answers

Answer 1

Answer:

My answer to this question would be :

6 = 34 - (12+25) + X

6 = -3 + X

9 = X

The probability would be : 9/34 = 0.26

I am not really sure i will check it later and tell you .

I would be happy if you let me know it was wrong or not , too .

Related Questions

The sum of five consecutive multiples of 4 is 20.Find the smallest integer.

Answers

Answer:

The smallest integer is -4.

Step-by-step explanation:

Let the smallest integer be x.

Since the integers are all multiples of 4, they are

=> x, x+4, x+8, x+12 and x+16

=> x + x+4 + x+8 + x+12 + x+16 = 20

=> 5x + 40 = 20

Subtract 40 from both sides of the equation

5x +40 - 40 = 20 - 40

5x = -20

Divide both sides by the coefficient of x(which is 5)

[tex]\frac{5x}{5} = \frac{-20}{5}[/tex]

x = -4

∴ the smallest integer is -4.

Hope this helps!!!

THIS IS THE SECOND TIME NOW111

Answers

Answer:

x = 7

Step-by-step explanation:

3x - 4  = 17      {Add 4 to both the sides}

   +4   = + 4

3x       =  21          {Now divide both sides by 3}

 [tex]\frac{3x}{3}=\frac{21}{3}\\[/tex]

x = 7

In a certain colony of bacteria each divides into two every hour. How many will be produced from a single bacillus if the rate of division continues for 4 hours

Answers

Answer:

16

Step-by-step explanation:

The number of bacteria in 4 hours = number of bacteria that divides in one hour ^ total number of hours

2^4 = 16

What is the length of segment of A’B?

Answers

Answer:

8

Step-by-step explanation:

8

if both triangles are the same, the lengths will be the same

Your 6 and 1/2 year investment of $1,450 at 5.4% compounded brought you a grand total of?

Answers

The future value of an investment of $1,450 for 6 and 2/3 years at 5.4% compounded monthly is given by

which paths shows the probability of picking exactly one red counter​

Answers

this s hit makes no f ucking sense

need help on this question

Answers

heyyy hope this helps:))

Latoya's Fish tank has 16 L of water in it she plans to add 6 L per minute until tank has at least 46 L what is the possible number of minutes Latoya could add water?

Answers

Answer: The possible number of minutes is 5 minutes.

Step-by-step explanation: First, we should subtract: 46 - 16, since we already have 16 liters and need to get up to 46 liters. 46 - 16 gives us 30. 30 means that it is the liters needed to be filled.

Step-by-step explanation 2: Next, we know that 6 liters is filled every minute. So, basically just do 30 divided by 6, which gives us 5. 5 means the minutes.

Sooo, The possible number of minutes to fill the tank by 6 liters would be 5 minutes

I tried to explain it the best way I could. Hope it isn't confusing.

20 POINTS! WILL MARK BRAINLIEST!

If the equation for the diagram below is 25=13+2r, what should go in the blank circle?

Answers

Step-by-step explanation:

[tex]25 = 13 + 2r \\ 25 - 13 = 2r \\ 12 = 2r \\ \frac{12}{2} = r \\6 = r[/tex]

**** i'll give brainliest to whoever answers this correctly ! ****

TRIGONOMETRY, USE SINE LAW, SHOW WORK !! PLEASE HELP i've been trying to finish this assignment all day.

Answers

See attached photo. Hope this helps!

What is the equation of the line that passes through the point (-5,5) and has a
slope of -1?

Answers

Answer:

y = - x

Step-by-step explanation:

The equation of a line in slope- intercept form is

y = mx + c ( m is the slope and c the y- intercept )

Here m = - 1 , then

y = - x + c ← is the partial equation

To find c substitute (- 5, 5 ) into the partial equation

5 = 5 + c ⇒ c = 5 - 5 = 0

y = - x ← equation of line

!!!!!!Help Me Plz!!!!!!

Answers

Answer:

angle ABE = 55 degrees

Step-by-step explanation:

(3x-8) + (x+14) = 90

4x+6 = 90

4x = 84

x = 21

angle ABE = 3(21)-8 = 55

PLS HELP ASAP FOR BRAINLIEST

Answers

Answer: x=45

Step-by-step explanation:

Solve for c get 20 c=b so b+115 =135  180-135=x

Answer:

x=45

Step-by-step explanation:

160=115+x (use vertical angles)

subtract 115 from both sides

160-115=45

x=45

help its ratios please ty no guessing

Answers

Answer:

4:3

Step-by-step explanation:

4 pennies

3 quarters

Answer:

4:3

Step-by-step explanation:

A bookstore pays $8 for a novel. They add a $3 markup to the price. What is the
percent of markup?

Answers

Answer:

37.5 percent markup

Step-by-step explanation:

hope this helps

Question A bookstore pays $8 for a novel. They add a $3 markup to the price. What is the percent of markup?

Answer: 37.5%

-Tay did this

find the slope of the line passing through the points (5, 6) and (5,-8)

Answers

Answer:

Undefined

Step-by-step explanation:

Slope is equal to the change in y over the change in x.

m = (y₂ - y₁) / (x₂ - x₁)

Let your points (5, 6) be (x₁, y₁) and (5,-8) be (x₂, y₂). Therefore you have

m = (-8 - 6) / (5 - 5) = -14 / 0

Dividing by zero will lead you to have an undefined slope

Simplify (2a²b⁵)(-3ab-⁴)

A. -6a³b
B. 6a³b
C. 6a³
- ———
b

D. 6a³
———
b

help.​

Answers

Answer:

A

Step-by-step explanation:

because when we multiply two powers the power will add

In the diagram below of triangle DEF, G is a midpoint of DE and H is a midpoint
of EF. IfGH = 72 – 15, and DF = 38 – 3x, what is the measure of DF?
E
G
H
D
F

Answers

Answer:

GH= half of DF

so, 114= 38 - 3x

3x= 76

x= 76/ 3

please can you give the answer of this, 8x+5y=23 -8x+9y=-19

Answers

8X+5Y=23
8X=23-5Y

-8X+9Y= -19 multiple all by -1
8X-9Y=19
8x=23-5y
Plug that in
23-5Y-9Y=19
-14Y=19-23
-14Y= -4
Y=1

8X=23-5Y
8X=23-5•1
8X=23-5
8X=18
X=18/8
X=9/4

If a + 8= 16 then a =

Answers

Answer:

8

Step-by-step explanation:

16-8 = 8

Answer:

a = 8

Step-by-step explanation:

8 + 8 = 16 so a = 8

brainly's answering thing is broken :/

HELP ME PLASE IM BEGGING YOU

Answers

Answer:

5x+4

Step-by-step explanation:

(7x+1)-(2x-3)

Remove parentheses

=7x+1-(2x-3)

=7x+1-2x+3

Simplify

7x+1-2x+3=5x+4

Find the area
Pls help I need to know this quick it’s 7th grade math hope someone can help I’ll mark brainliest

Answers

Answer:

1,521

Step-by-step explanation:

pls

as a ratio in simplest form, 33.5% is express as

Answers

Answer:

335/1000

Step-by-step explanation:

33.5% is .335 so 335/1000 is 33.5%

335/1000 is the answer

HELP I CANT GET IT RIGHT Answer the question below. Type your response in the space provided.
A cube with a volume of 64 cubic meters is scaled by a factor of 5. What is the volume of the
modified cube in cubic meters? (Note: do not include the units in your answer.)
Clear
X Incorrect. When the sides of the cube are scaled by a factor of k = 5) the volume increases
by a factor of k = 52 = 125. Here, the new volume is 64 cubic meters 125 = 8,000 cubic
meters. Enter the correct answer

Answers

Answer:

I don't know sorry just let study

Please help.
Name the segments parallel to the given segment :/

Answers

RS||XZ
XY||TS

RS is Parallel to XZ
XY is Parallel to TS

2. Evalute (3a +6b)³​

Answers

Answer:

Here you go Hope it helps!!

Step-by-step explanation:

Tell whether the triangle with the given side lengths is a right triangle

Answers

Answer:

not a right triangle

Step-by-step explanation:

The Pythagorean Theorem states that If a triangle is a right triangle,

the hypotenuse^2 will equal to shorter^2 + longer^2

hypotenuse = 18, shorter side = 4, longer side = 17

18^2 = 4^2 + 17^2

324 = 16 + 289

324 = 305

That is false, therefore the triangle is not a right triangle

Answer:

<

Step-by-step explanation:

The cost of 1 dozen pens is ₹ 24. Find the cost of 30 pens.
hurry

Answers

the cost would be 60

Solve for x. Round to the nearest tenth.​

Answers

Answer:

Hope that answers your question

a belt and a wallet cost $42.7 belts and 4 wallets cost $213.If the cost of a belt is $x and the cost of a wallet is $y, form two linear equations in x and y and solve them to find the cost of each item

Answers

hope it helps yah T-T

Let, the cost of a belt = x
cost of a wallet = y

Then, system of equations would be:
x + y = 42
7x + 4y = 213

Multiply 1st equation by 4,
4x + 4y = 168
Substitute it from 2nd equation,
3x = 45
x = 15

Now, substitute it in 1st equation,
15 + y = 42
y = 42 - 15 = 27

In short, Belt costs $15 and wallet costs $27
Other Questions
1. What is the equation of the line that is perpendicular to the line y = -2x + 12 andpasses through point (-2, 8)?A. y = 1/2x - 7B. y = -1/2x +7C. y = 1/2x + 7D. y = -1/2x - 7 What was the outcome of the Third Crusade?The Crusaders made a treaty with the MuslimsThe Crusaders looted Constantinople and never arrived in the Holy Land.The Crusaders were defeated by the Muslims.The Crusaders retook most of the Holy Land. Explain the causes and effects of movements to redistribute economic resources. A person places $13900 in an investment account earning an annual rate of 2.8%, compounded continuously. Using the formula V = Pe^{rt}V=Pe rt , where V is the value of the account in t years, P is the principal initially invested, e is the base of a natural logarithm, and r is the rate of interest, determine the amount of money, to the nearest cent, in the account after 18 years. Quadrilateral abcd is rotated 90 degrees clockwise about the origin. What are the coordinates of A'B'C'D? __________ is the force of air molecules pushing on a surface.A. TemperatureB. Air pressureC. HumidityD. Cloudiness Which part of a calcium atom in the ground state is represented by the dots in its Lewis electron-dot diagram? What is money laundering A taking money rightfully B stealing of jewelry C the concealment of the origins of illegally obtained money,D ironing money can someone plz help me with this i will give brainliest A pine tree is a conifer. What type of plant is a conifer?anangiosperma gymnosperm A soccer ball is kicked toward the goal. The height of the ball is modeled by the function h(t) = 16t2 + 48t, where t equals the time in seconds and h(t) represents the height of the ball at time t seconds. What is the axis of symmetry, and what does it represent? t = 3; It takes the ball 3 seconds to reach the maximum height and 3 seconds to fall back to the ground. t = 3; It takes the ball 3 seconds to reach the maximum height and 6 seconds to fall back to the ground. t = 1.5; It takes the ball 1.5 seconds to reach the maximum height and 3 seconds to fall back to the ground. t = 1.5; It takes the ball 1.5 seconds to reach the maximum height and 1.5 seconds to fall back to the ground. Describe where the line of reflection is in this picture. How many solutions does the nonlinear system of equations graphed below have?A. ZeroB. TwoC. FourD. One Can some one help me please? Gavin, Harry and Isabel each earn the same monthly salary.Each month,Gavin saves 28% of his salary and spends the rest of his salary3Harry spendsof his salary and saves the rest of his salary4the amount of salary Isabel saves: the amount of salary she spends = 3:-Work out who saves the most of their salary each month.You must show how you get your answer. Describe one situation in which you think each kind of law offers protection. Mantiene una postura neutral ante las opiniones de los expositores en una mesa redonda. * change the following sentence into indirect speech He said to me, "Give me some money." What is the percent decrease from 61 to 11? A doctor tapes a patients knees with a hammer to test the reflex which can provide information about the condition of the _____