Of the 960 students writing an examination in a school, 840 are expected to pass. The estimated probability that a randomly chosen student will fail the examination is

Answers

Answer 1

Answer:

1/8

Step-by-step explanation:

960 (total students) - 840 (students expected to pass) = 120 (students expected to fail)

120/960 = 1/8


Related Questions

My classroom is 12 feet by 16 feet. What is the area of my classroom? Make sure you label your answer correctly with your answer.

Answers

Answer:

[tex]192 \: sq {}^{2} [/tex]

Step-by-step explanation:

To find area, multiple the length by the width. In this case, the length is [tex]16[/tex] and the width is [tex]12[/tex].

[tex]12×16=192[/tex]

what is the value of y?

Answers

180 -50 = 130
130 / 2 = 65
Y = 65

For the given triangle the measure of the angle y is 65°.

Hence the correct option is C.

The angles that are created outside of a triangle are its external angles.

In other terms, the angle created between one of a triangle's sides and its neighboring extended side is the triangle's exterior angle.

And the exterior angle of a triangle is the sum of the interior angles of opposite sides.

The given angles are:

Exterior angle =  130°

Interior angles are y° and y°

Therefore,

Exterior angle  = y° + y°

130° = y° + y°

2y° = 130

Dividing both sides by 2 we get,

y° = 65°

Hence,

The measure of the angle y is 65°.

To learn more about the triangle visit;

brainly.com/question/1058720

#SPJ6

PLEASE ANSWER I NEED HELP ASAP
The table shows the running speeds of 10 randomly
selected ostriches.
Speed (miles per hour)
35 40 37 33 36 34 32 36 41 36
Based on the data, select the most reasonable prediction about the speed of
ostriches.
A. The typical ostrich runs at speeds greater than 40 miles per hour.
B. The top speed of an ostrich is 40 miles per hour.
C. The typical ostrich runs at a speed of about 30 miles per hour.
O D. The typical ostrich runs at a speed of about 36 miles per hour.

Answers

D the typical ostrich runs at a speed of about 36 mph

U work this out by adding all number together then diving by number of results

So total of results = 360
360/10 results = 36

Answer:

D 36MPH

Step-by-step explanation:

Please help.
Algebra.

Answers

Answer:

"?" = 3

Step-by-step explanation:

The answer can be gotten by subtracting 4 from 7. The 4 is the exponent in (4a^4b), and the 7 is the exponent in 16a^7b. So:

7 - 4 = 3

Therefore, the "?" = 3

Hope this helps :)

Answer:

?=3

Step-by-step explanation:

Okay so with exponents, when multiplying exponents with the same base, you add them.

In your case, we have a^? * a^4=a^7 (this is the only part you need to solve)

so ?+4=7

?=7-4=3

Have a nice day!

simplify. 5x^2+4x-17-9x-6​

Answers

.......................................................

5x^2-5x-23 is the answer

Combine like terms to get your answer

Evaluate (n + 3)2 – 2n, when n = 2.

Answers

Answer:

-10

Step-by-step explanation:

Assume that x = x(t) and y = y(t). Let y = x^2 + 6 and
dx/dt=4 when x=1
Find dy/dt when x = 1​

Answers

Answer:

[tex]\frac{dy}{dt}[/tex] = 8

Step-by-step explanation:

Given:

x = x(t) and y = y(t)

Let y = x² + 6

By differentiating the given equation with respect to t,

[tex]\frac{dy}{dt}=\frac{d}{dt}(x^{2}+6)[/tex]

[tex]\frac{dy}{dt}=\frac{d}{dt}(x^{2})+\frac{d}{dt}(6)[/tex]

Since, [tex]\frac{dx}{dt}=4[/tex] when x = 1

[tex]\frac{dy}{dt}=2x\frac{dx}{dt}+\frac{d}{dt}(6)[/tex]

[tex]\frac{dy}{dt}=2(1)(4)+0[/tex] [By substituting the values of [tex]\frac{dx}{dt}[/tex] and x = 1]

[tex]\frac{dy}{dt}[/tex] = 8

oli , Sam and Tim share £360 in the ratio 3:2:1 . what's sa
ms share

Answers

Answer:

it on web I had this question once

Step-by-step explanation:

put it in web and you be find

The amount that Sam get (the share of Sam) is £120

What is ratio of two quantities?

Suppose that we've got two quantities with measurements as 'a' and 'b'

Then, their ratio(ratio of a to b) a:b or [tex]\dfrac{a}{b}[/tex]

We usually cancel out the common factors from both the numerator and the denominator of the fraction we obtained. Numerator is the upper quantity in the fraction and denominator is the lower quantity in the fraction).

Suppose that we've got a = 6, and b= 4, then:

[tex]a:b = 6:2 = \dfrac{6}{2} = \dfrac{2 \times 3}{2 \times 1} = \dfrac{3}{1} = 3\\or\\a : b = 3 : 1 = 3/1 = 3[/tex]

Remember that the ratio should always be taken of quantities with same unit of measurement. Also, ratio is a unitless(no units) quantity.

Same thing happens for 3 quantities and more such quantities.

So if its given that Oli, Sam, and Tim's share (total  £360) are in the ratio 3:2:1, that means some common factor (lets call it 'x') must be cancelled off as 3+2+1 don't equate to 360.

So, we have:

Oli's share = 3xSam's share = 2xTim's share = 1x = x

Their total evaluates to 360 (in euros).

(we don't write symbols like of currency generally, and understand it from context. Also, sign of multiplication is often hidden if there are non numeric symbols and numbers being multiplied are written together)

Thus, we get:

[tex]3x + 2x + x = 360\\(3+2+1)x = 360\\6x = 360\\\\\text{Dividing both the sides by 6}\\\\\dfrac{6x}{6} = \dfrac{360}{6}\\\\x = 60[/tex]

Thus, we get:

Oli's share = 3x = 3×(60) = £180Sam's share = 2x = 2×(60) = £120Tim's share = 1x = x = £60

Thus, the amount that Sam get (the share of Sam) is £120

Learn more about ratio here:

brainly.com/question/186659

The length of the rectangular field is two times its breadth. If the perimeter of the field is 300m, find the length and breadth.

Answers

Answer:

Youu can call the breadth x and then, as the length is two times the breadth, it would be 2x.

So now when we call x to the breadth and 2x to the length we can do an equation, as we know the sum of the four sides is 300 meters, so

2x + 2x + x + x = 300

6x = 300

x = 300/6 = 50

We know that the breadth is 50m, and, the length, which is twice the breadth, would be 100m in this exercise.

SO in this case, the breadth is 50 meters and the length is 100 meters..

Please show workings.

To start a transport company, a business man needs at least 5 buses and 10 minibuses .
He is not able to run more than 30 vehicles all together.
A bus takes up 3 units of parking space, a minibus takes up 1 uni of parking space and there are only 54 units available.
If x and y are the number of buses and minibuses respectively.

a. Write down for inequalities which represents the restrictions of the businessman.
b. Draw a gaph that shows a region representing possible values of x and y.
c. Find the greatest number of:
i. buses
ii. minibuses that the business can run​

Answers

9514 1404 393

Answer:

  a) x≥5; y≥10; x+y≤30; 3x+y≤54

  b) see attached

  c) i. 14 buses; ii. 25 minibuses

Step-by-step explanation:

a. The given restrictions are ...

  x ≥ 5 . . . . . . . . . minimum number of buses

  y ≥ 10 . . . . . . . . minimum number of minibuses

  x + y ≤ 30 . . . . .maximum number of vehicles

  3x +y ≤ 54 . . . . maximum number of parking units

__

b. In the attached, we have chosen to make the solution space white. The boundaries are dashed where they are included in the solution space. The vertices of the solution space are marked on the graph.

__

c. The second attachment shows the maximum numbers of each.

i. maximum buses: 14 (and 12 minibuses)

ii. maximum minibuses: 25 (and 5 buses)

Which expression is equivalent to i 2337
O 1
O -1
O i
O -i

Answers

I think it’s A. or B.

What benchmark would you round the following number to?*
3
4/6

Answers

Answer:

4 because it is 3.6666666

HELP ME JUST ANSWER PLZ IM SUFFERING I WILL GIVE YOU BRAINLYEST OR WHATEVER

Answers

Answer:

534.07in squared is what I got for the surface area

Step-by-step explanation:

Help please I need help with this

Answers

Answer:

The answer is 1.53 for week 1 and

week 2 is 1.2

Step-by-step explanation:

I need 110g of flour to make something. A 10kg (22lb) bag of four is $12. How much does that 110g cost?

Answers

Answer:

Cost of 110 g bag = $ 0.132

Step-by-step explanation:

As we know ,

1 kg = 1000 g

⇒1000 g = 1 kg

⇒1 g = [tex]\frac{1}{1000} = 0.001[/tex] kg

⇒110 g = 110 (0.001) kg = 0.11 kg

⇒110 g = 0.11 kg

Now,

Cost of 10 kg bag = $12

⇒Cost of 1 kg bag = [tex]\frac{12}{10} = 1.2[/tex]

⇒Cost of 1 kg bag = $ 1.2

⇒Cost of 0.11 kg bag = $ (0.11)(1.2) = $ 0.132

∴ we get

Cost of 110 g bag = $ 0.132

HELP (ENGLISH)
Amira is preheating her oven before using it to bake. The initial temperature of the oven is 75° and the temperature will increase at a rate of 20° per minute after being turned on. What is the temperature of the oven 9 minutes after being turned on? What is the temperature of the oven tt minutes after being turned on?

Answers

The expression should be 75+20x. For every nine minutes (75+20(9)) the oven temperature should be at 255 degrees.

Katie answered 2/3 of a 15 problem math correctly. How many questions did Katie answer incorrectly?

Answers

2/3 of 15 is 10:)
so i believe she got 5 incorrect

Solve 8x+2<12 please

Answers

Just use the Photomath

In the zoo, there are 12 elephants, 8 giraffes, 9 lions, 10 seals, and 16 otters.

What is the ratio of elephants to all the animals at the zoo?

Answers

Answer:

16/55

Step-by-step explanation:

If you add all the animals together then put it in fraction form you have 16/55

THE ANSWER SHOULD BE 12:55

Two more than 11 times a number is equal to 24. What is the number?

Answers

Answer:

2

Step-by-step explanation:

Brainliest?!?!?!?

The answer to this would be 2.

Step by Step Explanation

Equation: 11x+2=24

Variable for the missing number: x

To do this, I suggest writing out an equation with the variable X to represent the missing number that we are trying to find. The equation would look something like this: 11x+2=24.

From here, to solve the equation, subtract 2 from both sides, which would then get the equation to be 11x=22. From here, you would then divide both sides by 11 to get the variable on it's own, which would be x=2. Since x is the variable that we are using to represent the missing number, the missing number would be 2.


Kim read bbooks last month. This month she read 16 books. Which expression shows the total number of books Kim has read
in the past two months?

Answers

Answer:

total # books read = b + 16

Step-by-step explanation:

3x+2.2is equal to x=1.7

Answers

Answer:

7.3 answer

Step-by-step explanation:

x=1.7

now

3x+2.2

3×1.7+2.2

7.3

rhoda pays for internet access each month The graph shows the relaionship

Answers

Answer:

more info??

Step By Step:

WILL GIVE BRAINLIEST AND 20 POINTS!
A circular, inlaid-wood design for a dining table cost $35 per square foot to build. If the radius of the design is 18 in, find the cost to build the design. Use 3.14 for . Round to the nearest dollar. Hint: 144 in2 = 1 ft2.

Answers

Radius of design= 18 in
Area of design= pi*r^2
= 3.14*324
= 1017.36 sq. in

1017.36/144
= 7.065 sq. ft

7.065*35
= 247.275

Therefore, the cost of building the design costs $247.275 to make

2x + 3 = 7

418 = -22a

What are the VARIABLES in these two equations?​

Answers

Answer:

x=2

a=19

Step-by-step explanation:

2x+3=7

2x+3-3=7-3

2x=4

2x/2=4/2

x=2

418=-22a

418/(-22)=-22a/(-22)

19=a

Answer -
X=2
A=19
Explanation

Write the equation of the line in fully simplified slope-intercept form.

Answers

Answer:

y = -5/6x - 2

Step-by-step explanation:

The y-intercept is -2 because that is where the line crosses the y-axis Remember that slope is rise/run (there are many other terms for slope but this is the one I will reference). Therefore, the slope from one point to the next is down 5 and over 6. Since this is a decreasing slope (down 5), your slope will be negative

Researchers study the population of bass in a lake. The researchers catch, tag, and release 50 bass into the lake. During a fishing tournament the following week, competitors catch and release 525 bass, 15 of which had been previously tagged by the researchers.
What is the best estimate for the number of bass in the lake?

Answers

Answer: B.

Step-by-step explanation: 550 bass

5x6+7493+89-81+7783=

Answers

5x+15293
There’s this app called Photomath and it helps with math:) have a great day

evaluate the expression 0.7^2​

Answers

Answer:

0.7²=0.7×0.7=0.49 is answer

I could use a little help on this question take your time and please give the right answer if you dont give the right answer its fine

(reward for best answer):D

Answers

Answer:

3/5 or three fifths

Answer:

62 cookies

Step-by-step explanation:

If we take 40 and divide by 24 we get 1.6 that means for every normal cookie there is 1.6 chocolate cookies. With that we can simply just divide 100 by 1.6 to get 62.5 I chose to round down.

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