Mathematics High School

Altogether, 360 schoolchildren sit down for their exams.
Five percent of them have one pen. Of the remaining 95
percent, half of them have two pens and the other half
have none. How many pens do the children have between
all of them?
HEL MEEEE

Answers

Answer 1

Answer:

A esta así no puedo xd ._.

Answer 2

Total Pens, owned by all students between all of them = 360

Percentage wise calculation of Pens  

Total children = 360
Students having one pen = 95% of 360 = 18

Remaining 95% = 360 - 18 = 342

Half of remaining ie 342 = 171, have two pens

Other half of remaining ie 171 have no pens

Total pens, all children have between all of them = Summation (number of students x number of pens)

= (18 x 1) + (171 x 2) + (171 x 0)

= 18 + 342

= 360

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Related Questions

Trapezoid ABCD has an area of 57. BC = 7 and AD = 12. What is the height of the trapezoid?

Answers

Answer:

Step-by-step explanation:

57x2/(12+7)=6

pls help.....

.....20 points​

Answers

Answer:

B

Step-by-step explanation:

The simplest way to do this is to take every integer on there and divide it by 3.

8961/3 = 2987

5233/3 = 1744 1/3

10245/3 = 3415

-5469/3 = -1823

Because B does not produce an integer, that is your answer

(This works because of inverse operations)

Please let me know if you have any questions.

please help me is you help me i will give you brainlest!!!!!
Which figure has no line of symmetry

Answers

Answer:

the first figure

Step-by-step explanation:

Nebi has already typed 250 words. He then starts a timer and finds that he types 150 words in 3 minutes. If Nebi types at a constant rate, write a linear equation to represent the number of words w Nebi types m minutes after starting the timer.

Answers

Answer:

198

Step-by-step explanation:I

Answer: w= 150m

Step-by-step explanation:

MARK BRAINLIEST

The entire digits of pie times the square root of 1

Answers

Answer:

3.1415926

Step-by-step explanation:

3.1415926 * 1 = 3.1415926

Answer:

g4 bk.58i

Step-by-step explanation:

Find the distance between the two points rounding to the nearest tenth (if necessary). (2,−3) and (0,−8)

Answers

Answer:

square root of 29

Step-by-step explanation:

use the distance formula and then plug the numbers in, i got the sqrt(29) after i did that

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Write a rule for the linear function shown in the graph.


A. y = 5/3x + 1

B. y = 3x - 1

C. y = 2/5x + 1

D. y = -5/2x - 1

Answers

Answer:

D. y= -5/2x - 1

Step-by-step explanation:

Hope this helps. Sorry if it doesn't

A bakery used 35% more sugar this month than last month. If the
bakery used 360 kilograms of sugar last month, how much did it use this
month?

Answers

Answer:

486 kg

Step-by-step explanation:

(Calculator)

360 + 35%

=486

I hope it is correct

What is the equation of this line?

Answers

Answer:

y = -x +2

Hope that helps

The slope of a line passing through the point (5.-6) is 0.4.
Drag the proper numbers and signs to obtain the equation of the line in slope-intercept form.

Answers

Answer:

using formula y2-y1/x2-x1, x1= -6,x2= o, y1= 5,y2= 4

Step-by-step explanation:

4-5/0-(-6)

-1/0+6

-1/6

is your answer

(100 POINTS!!) Help me on this please! (I will mark you brainliest!)

Answers

Answer:

its the 3rd and 5th check mark

Step-by-step explanation:

It is the 3rd and 5th answer check mark thingy!

Hope this helped, thanks so much for the points :)

most kitchens have a working triangle between the sink (S), the counter (C), and the oven (O). the distance between the sink in the oven is 8 feet. The distance between the sink and the counter is 6 feet, and the distance between the oven and the counter at 7 feet. in the kitchen triangle, where is the largest angle?

a. all of the angles are congruent
b. sink
c. counter
d. oven​

Answers

Answer:

b my

Step-by-step explanation:

valentines

bbg

In the kitchen triangle,  the largest angle will be at counter

What is Triangle?

A triangle is a three-sided polygon that consists of three edges and three vertices.

Given that kitchens have a working triangle between the sink (S), the counter (C), and the oven (O).

The distance between the sink in the oven is 8 feet.

The distance between the sink and the counter is 6 feet,

The distance between the oven and the counter at 7 feet.

we need to find in the kitchen triangle, where is the largest angle

SO=8

SC=6

OC=7

Hence, in the kitchen triangle,  the largest angle will be at counter

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5/2k+1=-9
What does k equal?

Answers

Answer:

I love algebra anyways

The ans is in the picture with the  steps how i got it

(hope this helps can i plz have brainlist :D hehe)

Step-by-step explanation:

If you mean,

[tex] \frac{5}{2k} + 1 = - 9[/tex]

Then the answer would be,

[tex]k = - \frac{1}{4} [/tex]

But, if you mean

[tex] \frac{5}{2} k + 1 = - 9[/tex]

Then the answer would be,

[tex]k = - 4[/tex]

Solve for x

X=4
3/2x+8=-1

Answers

x=-6
Solve for x by simplifying both sides of the equation, and then isolate the variable.

melitón se comió 3 rebanadas de una pizza pequeña de seis rebanadas Cómo se representa una fracción​

Answers

Respuesta:

[tex] \frac{3}{6} [/tex]

Explicación:

El numerador es lo que melitón se comió...

Y el denominador son las porciones (rebanadas) en que esta dividida la pizza.

PLEASE HELP I WILL MARK BRAINLIEST
3y + 7 = x

Solve for y and x.

Answers

Answer:

x=3y+7

y=1/3x-7/3

Step-by-step explanation:

Answer:

y=6 x=25

Step-by-step explanation:

brainliest plz

I don't understand this. Please help!!

Answers

Answer:

-2 5/8

Step-by-step explanation:

(3/8)/(1/-7) = (3/8)(-7/1) = -21/8=-2 5/8

is y = -x a proportional relationship

Answers

Answer:

For any proportional relationship, k=yx (such as a line that passes through the origin). Find the equation of the line by solving for y in the constant of proportionality equation. This equation y=kx is another representation of a proportional relationship.

Step-by-step explanation:

Answer:

Yes kdsjsbahajajsjsbsbsbsnsn

On sale , the original price of every jacket in a store is reduced by 20% . Later , this sale price is further reduced by another 20% to create a final price . The store could have reduced the original price directly to the final price by what single percent ?

Answers

Answer:

40%

Step-by-step explanation:

20% + 20% = 40%

Hope this helps!

Ryan can mow 15 lawns in 5 days. How many lawns can he mow each day?

Answers

It should be 3
15/5 is 3.

Answer:

3

Step-by-step explanation:

MARK BRAINLIEST

Solve for x: 16^2x + 1 = 128

38

83

4

43

Answers

Answer:

[tex]16^{2x}[/tex]+1=128

x=4

This is the function f(x)= x2 − 4x + 6 .


What is the axis of symmetry?

Answers

Answer:

x = 2

Step-by-step explanation:

Pensé un número, a ese
número le sumé 15 y
obtuve como resultado 27.
¿Cuál es el número que
pensé​

Answers

Answer:

si es suma tiene que ser 12+15=27

PLE HELP ASAP
WILL MAKR BRAINLIEST​

Answers

No. Because a function can only be a function when the x values are different. It is fine for y values to be same, but you cannot have the same input.

Answer:

no

Step-by-step explanation:

bc in order for the size of a pack to be represented as the function of ots price, you need to have the same ratio for every pack

but if you do the math

2.30/1000=0.0023

1.70/850=0.002

they do not have the same ratio

so no

someone please help!!​

Answers

[tex]\mathfrak{\huge{\orange{\underline{\underline{AnSwEr:-}}}}}[/tex]

Actually Welcome to the Concept of the Quadratic formula.

Since we know that, for

[tex]a {x}^{2} + bx + c = 0[/tex]

For this quadratic equation, the formula is :

[tex] \frac{ - b - + \sqrt{ {b}^{2} } - 4ac }{2a} [/tex]

so we apply it here,

so we get as,

[tex] \frac{ - 5 + - \sqrt{25 - 24} }{6} [/tex]

option C is correct.

Answer:..........

Step-by-step explanation:

Kate got 2 out of the 3 questions correct on her pop quiz what is her grade

Answers

Answer:

0.6666666666etc but you have to round it to 67 because it is closer to 67

Step-by-step explanation:

1f (-2, y) lies on the graph of y = 3, then y =​

Answers

Answer:

y = 3

Step-by-step explanation:

the y-value of any ordered pair that lies on the line 'y = 3' will be equal to 3.

Solve 3(x + 1) + 6 = 33

Answers

Answer:

3(X+1)+6=33

3x+3+6=33

3x+9=33

3x=33-9

X=24/3

X=8

Answer:

[tex]x = 8[/tex]

Step-by-step explanation:

1) Subtract 6 from both sides.

[tex]3(x + 1) = 33 - 6[/tex]

2) Simplify 33 - 6 to 27.

[tex]3(x + 1) = 27[/tex]

3) Divide both sides by 3.

[tex]x + 1 = \frac{27}{3} [/tex]

4) Simplify 27/3 to 9.

[tex]x + 1 = 9[/tex]

5) Subtract 1 from both sides.

[tex]x = 9 - 1[/tex]

6) Simplify 9 - 1 to 8.

[tex]x = 8[/tex]

Therefor the answer is, x = 8.

5-c=-9c-6
Anyone know the answer?

Answers

Answer:

c=-8/11

Step-by-step explanation:

Ella is 66 inches tall. Andy is 6 1/2 feet tall. Who is taller? By how much? (12 inches = 1 foot)

Answers

Answer:

Andy is taller by one foot or 12 inches

Step-by-step explanation:

Ella = 66 inches = 5'6"

Andy = 6 1/2 feet = 6'6"

Andy is taller by one foot or 12 inches

Andy is taller by one foot or 12 inches

Given:

Ella is 66 inches and Andy is 6 1/2 feet.

12 inches = 1 feet.

Convert inches in to feet.

12 inches = 1 feet.

1 inches = 1/12 = 0.083

66 inches = (0.083 * 66) = 5.5 feet.

Andy = 6 1/2 feet = 6.5 feet.

6.5 > 5.5 (6.5 is greater than 5.5).

Andy is taller by one feet or 12 inches

Therefore, Andy is taller by one feet.

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