20pens cost #300 and 50pens cost #750
(a)is the cost of pens directly proportional to the number of pens?​

Answers

Answer 1

Answer:

669

Step-by-step explanation:


Related Questions

Finish labeling the number of elements in the regions in the Venn diagram shown to the right, where the subsets
A, B, and C of the universe, U, satisfy the following conditions.
n(U) = 100
n(ANB) = 14
n(A) = 40
n(BNC) = 13
n(B) = 50
n(ANC) = 14
n(C)= 30
n(ANBNC) = 7
q=
S=
t=
V=
w=
X=

Answers

Answer:

t=14

v=13

q=12

s=23

w=-4

x=28

Step-by-step explanation:

we know that the universal set =100

so, everything in it must add up to 100

first, from the information given to us,

t= n(A n C)= 14

v=n(B n C)= 13

to find q

we know from our guide that n(A) =40

which means everything inside A will add up to 40

therefore,

q + 7 + 7 + t = 40

and we already know that t = 14

so, that will be;

q + 7 + 7 + 14 = 40

therefore, q = 12

to find s,

we all know that n(B) = 50

which means that everything inside B will be equal to 50

therefore,

s + 7 + 7 + v = 50

and we know that v = 13

therefore,

s + 7 + 7 + 13 = 50

and s will end up to be = 23

to find w,

we know that n(C) = 30

so, everything in C end up to be all equal to 30

therefore,

t + 7 + w + v = 30

from our solution, t = 14, v = 13

so,

14 + 7 + w

q = 19, s = 30, t = 7, v = 6, w = 10, x = 7.

What is a set ?

A set is a collection of well defined objects.

According to the given question of Venn diagram given,

n(U) = 100, n(A∩B) = 14, n(A) = 40, n(B∩C) = 13, n(B) = 50, n(A∩C) = 14, n(C) = 30 and n(A∩B∩C) = 7.

t =   n(A∩C) - n(A∩B∩C).

t = 14 - 7

= 7.

q = n(A) - [  n(A∩B) + t ]

q = 40 - ( 14 + 7 )

q = 40 - 21

q = 19.

v = n(B∩C) - n(A∩B∩C)

v = 13 - 7

v = 6.

s =  n(B) - [ n(A∩B) + v ]

s = 50 - ( 14 + 6 )

s = 30.

w =  n(C) - [ n(A∩C) + v ]

w = 30 - ( 14 + 6 )

w = 10.

We know x = n(U) - q - s - w - n(A∩B) - n(B∩C) - n(A∩C) +  n(A∩B∩C).

x = 100 - 19 - 30 - 10 - 14 - 13 - 14 + 7.

x = 7.

learn more about sets here :

https://brainly.com/question/18877365

#SPJ2

Tom must choose a number between 49 and 95 that is a multiple of 4, 7, and 14. Write all the numbers that he could
choose. If there is more than one number, separate them with commas.

Answers

Answer:

56;70;84

Step-by-step explanation:

Describe the domain and range of this function

Domain:

Range:

Find the following values:

f(18)=
f(5)=
f(17)=

NO LINKS/NO ASSESSMENTS!!! ​

Answers

Answer:

According the graph we have:

Domain: set of input values [0, 26]Range: set of output values [0, 20]f(18) = 16f(5) = 2f(17) = 14

PPL PLZ HELP!! I WILL GIVE BRAINILEST!!!

Answers

Step-by-step explanation:

to find the answer, you want to convert the fractions into decimals.

to do that, you need to divide 1 by the denominato then multiply by the numerator.

ex: 3/4

1÷4=0.25

0.25×3= 0.75

That will give you an idea where to put it in the number line.

hope it helped

I need help by the end of this class !!

Answers

Answer:

a

Step-by-step explanation:

Answer:

B

Step-by-step explanation:

4=-10+14

plug 4 into y

multiply-2 with 5

Please help!!!!!

Solve for X


(Ignore the 4)

Answers

Answer:

[tex] \frac{3x + 1}{2} - 1 = 2x) \times 2 \\ 3x + 1 - 2 = 2x \\ 3x - 2x = 2 - 1 \\ x = 1 [/tex]

Answer:

[tex]x=1[/tex]

Step-by-step explanation:

[tex]\frac{3x+1}{2}-1=x[/tex]

Add 1 to both sides:

[tex]\frac{3x+1}{2}-1+1=x+1[/tex]

[tex]\frac{3x+1}{2}=x+1[/tex]

Multiply both sides by 2:

[tex]\frac{3x+1}{2}\times \:2=x\times \:2+1\times \:2[/tex]

[tex]3x+1=x\times \:2+2[/tex]

Subtract 1 from both sides:

[tex]3x+1-1=x\cdot \:2+2-1[/tex]

[tex]3x=2x+1[/tex]

Subtract 2x from both sides:

[tex]3x-2x=2x+1-2x[/tex]

[tex]x=1[/tex]

_______________________

There are 31 students in a class and 61.3% of these students passed their Math Applications test. What number of these students passed their test? Round your answer to the nearest whole number if necessary.​

Answers

Answer:

19

Step-by-step explanation:

Alr so.

what you have to do is first convert yourpercentage into a decimal and to do that you need to move the decimal 2 places to the left like so-

61.3% --->  .613

Next you need to multiply 31 x .613 which gives you 19.003

or 19 Passed :)

enjoy!!!!

Victor has 2 times as many as trophies as Dean. Together , víctor and Dean have 27 trophies . How many trophies does víctor have?

Answers

Let:
x = Dean
y = Víctor

Since Víctor has 2 times the trophies that Dean has, the amount of trophies Víctor has would be equal to 2x. Therefore,
y = 2x

The amount of trophies they have added together is 27. Therefore,
x + y = 27

We know that y = 2x, so we can substitute y for 2x in the equation x + y = 27. Therefore,
x + 2x = 27

Now solve for x.
x + 2x = 27
3x = 27
3x/3 = 27/3
x = 9
Dean has 9 trophies.

Since Víctor has 2 times the amount Dean has,
Víctor has 18 trophies

3and3/4th divided by 2and 1/2

Answers

Answer:

1.5

Step-by-step explanation:

3 3/4 ÷ 2 1/2

3/2

= 1.5

1
What is the quotient of 2 -
?
WIN
1
3
1
3
1
3
1
1
3
لم اقم
1
3

Answers

what’s the problem look like?

How many average points per game did Denver score?

Answers

So Denver scored 3/4 as many as Dallas so:
3/4 x 26 3/5
If we make 26 3/5 an improper fraction it becomes
133/5
133/5 x 3/4 =
(133 x 3)/(5x4)=
399/20 average points
Which as a mixed fraction is:
19 19/20
Can I get brainliest answer.

What is the probability of flipping a coin and
rolling a 12-sided dice at the same time, and
getting tails and a 9 or 5?

Answers

Answer:

3 million

Step-by-step explanation:

Because 3 Million looks nice

2 5/14 divided by (2 5/8 times 1 3/4)

Answers

Answer:

1.947

Step-by-step explanation:

if you write down the equation you will get this answer and see it is not respecting meaning it does not go on it has a different pattern

Alana bought fabric to make scarves lf the fabric costs $5.50 per yard how much fabric did she buy for $26.40?​

A 0.48 yards
B 2.4 yards
C 4.8 yards
D 48 yards​

Answers

Answer:

C : 4.8 yards

Step-by-step explanation:

$26.40 ÷ $5.50

= 4.8

Alejandra quiere comprar lápices de color verde y morado. Los lápices verdes van en cajas de 100 unidades, mientras que los morados van en cajas de 40.¿Cuál es el mínimo número de cajas de cada color que debe comprar Alejandra para tener el mismo número de lápices de ambos colores?

2 CAJAS
3 CAJAS
4 CAJAS
5 CAJAS

Answers

Umm I can’t understand it


For v = -3(r - 3) when r= -1, what does v equal

Answers

Answer: 12

Step-by-step explanation:

v = -3(-1-3)

v= -3(-4)

v= 12

Hello can some one please help me

Answers

It’s 4/25 because 2/5 times 2/5 the numerator is 2 times 2 which is four and the denominator is 5 times 5 which is 25

Answer:

I think it is 4/25...?

Step-by-step explanation:

Least common multiple of 168 and 76

Answers

Answer:

Best to draw out a factor tree.

Answer:

3192

this is the answer but if you need to show work then I can't help ya bud

Solve for w.

–1.01 = 1.4(w + 2) − 2.41

Answers

Answer:

w=-1

Step-by-step explanation:

Algebra.

Answer:

w = - 1

Step-by-step explanation:

–1.01 = 1.4(w + 2) − 2.412.41 - 1.01 = 1.4(w + 2)1.4 = 1.4(w + 2)w + 2 = 1w = 1 - 2w = - 1

My dinner cost $24.15 plus tip. I paid $28.98 total. What tip percentage did I leave?

Answers

Answer:

24.12+28.90

Step-by-step explanation:

Hey ! Can anyone help me with this question please ? Thank you

Answers

Answer:

x = 102°

Step-by-step explanation:

a straight line = 180°

180 - 78° = 102°

Answer:

x°+78°=180°[supplementry angle]

x°=180°-78°

x°=102°

answer

What’s the new function of g(x)

Answers

Answer:

The answer is the first one. It's also in my picture that I included

please help me with these. i do not understand how to do them.

Answers

the answer is akuma di ra

Please help with the homework please thanks

Answers

I have written the answers and the steps on a piece of paper.

Let's consider F(x) = x to be the parent function. Write a linear function whose graph is
shifted left 3 units, reflected over x-axis and then shifted up 5 units in this exact order.

Answers

Answer:

-3

Step-by-step explanation:

I Think :D

A man has 6x sheep 5y goats. He sell 3x sheep and 2y goats. How many animals has he left?​

Answers

Answer:

[tex]6x - 3x = 3x \: sheeps\\ 5y - 2y = 3y \: goats \\ 3x + 3y \: animals \: left[/tex]

Bella has a stack of 41 bills (ones, fives, and tens) in an envelope. She has 3 less tens than fives and the quantity of ones doubles the number of fives. Write and solve an equation to determine how many of each bill type she has

Answers

Answer:

x+(x-3)+(2*x)=41

Step-by-step explanation:

We know that the other two bills are based of of a constant value for fives. Therefore, the fives can be x. There are 3 less tens than fives, so the number of tens equals x-3. We double the number of fives to get the number of ones, so the number of ones equals 2 times x. When we add all 3 of those together, we get our total number of 41. If you want to solve, you have to solve for x, then you can plug it back into the formula. I hope this helps!

Convert 150 degrees to radians.

Answers

Answer:

Option 2

Step-by-step explanation:

Radians = 150 × π/180

=5π/6

A map has a scale of 1 centimeter:8 kilometers.
Use the given actual distance to find the distance
on the map: 4 km

Answers

Answer:

Step-by-step explanation:

I think it is 29.3 I am really not sure.

(a−2b)3 when a=−4 and b=−1/2

Answers

Answer:

-9

Step-by-step explanation:

(-4-2*-1/2)3

(-4+1)3

-3*3

-9

Answer:

-27

Step-by-step explanation:

Hi there!

[tex](a-2b)^3[/tex]

Plug in the given information:

[tex](-4-2(\displaystyle -\frac{1}{2} ))^3\\\\(-4-(\displaystyle -\frac{2}{2} ))^3\\\\(-4+1)^3\\\\(-3)^3\\\\-27[/tex]

I hope this helps!

Other Questions
How is congress relevant to your life ? it is a making a guess about what you don't know from Please Help!! I really need it! Does anyone know this? You must configure a certificate authority on your network to use EFS. True or False? a. True b. False Flowers - Samantha and Maria purchased flowers. Samantha bought five roses for "r" dollars each and four daises for "d" dollars each. Altogether, Samantha spent $32 on flowers. Maria purchased one rose for "r" dollars apiece and six daisies for "d" dollars apiece - spending $22 total. a) Write a system of equations (two linear equations) using appropriate variables.b) Solve the system to find the cost of roses and daisies. Use any strategy that you've learned. what is the them of the monkeys paw in general, what do students and staff think about how many students drink? A total points scored in a basketball game was 21. How many were 2 points, and how many were 3 point shots. using a linear equation to figure 4,5 and 6Helps!!15 what does it mean when the save button on the quick access toolbar changes to a circular set of two arrows? The following passage (paragraphs 3-4) mainly shows thatRemember how, in order to protect her sister Prim, Katniss volunteered to be a Tribute for the Hunger Games? After Katniss answers this call, weknow her world will never be the same.2. Refusal of the CallAlthough Katniss skipped this step, most of the time the hero initially refuses the call. While ordinary life is boring, the hero prefers boredom androutine because change is scary. However, refusing the call doesn't make it go away. Instead, the knock just gets louder, and if the herocontinues to refuse, he or she suffers the consequences. Frodo is a good example of this, because he loves his comfortable life in the Shire anddoesn't want to leave. It is only after he is almost killed by the Ringwraiths that he realizes he will never be safe as long as the One Ring exists.Refusing the call means staying stuck and not growing. That wouldn't make for a very good story, would it?O A Katniss volunteering is a good example of altruismB. The Hunger Games is a perfect example of a hero's journey with a feminist protagonistO C. Frodo and Katniss follow nearly identical hero's journeysD. Katniss volunteering is an exception to Campbell's rules of Departure Thomas Paine's Common Sense encouraged support for the American independence movement by A) appealing to the colonists' sense of inalienable rights and liberty B) blaming the British for starting the "peculiar institution of slavery. listing specific grievances against King George lll and the British C government. reminding Americans that colonies fighting for independence rarely D) resulted in success. Origins and Hey could some one please answer this question ? List three sources of whosdom and authority for Hindus. Remember, a purce of wisdom 26authority is usually a person or book from which a Hindu could get information toout how to followthe religion well find the value of x. Pensamiento que tenga que ver con la ciencia Early settlers along the Huang He tried repeatedly to control the river's flooding by building levees, but these failed to hold back the water. During the Xia Dynasty a method was finally discovered that worked. What was that method? A. building canals to direct floodwater out to sea B. damming the river near its sourceC. constructing levees out of stone rather than dirtD. digging out the river to make it deeper How to put y=14x-62 in standard form, pls explain. 1. Who was America fighting in the War of 1812? What pulled them into the war?