Help me out hereeeeeeeeeeeeeeeeeeee

Help Me Out Hereeeeeeeeeeeeeeeeeeee

Answers

Answer 1

Answer:

21 DIVIed by 3/7

Step-by-step explanation:

Answer 2

Answer:

12 stamps

Step-by-step explanation:

21 * 3/7 = 9 (to the sister)

21 - 9 = 12 (what he has left)


Related Questions

if 8 sugar cost 260 how much sugar can be brought for 877.500​

Answers

Answer:  27 kg of sugar can be bought for Rs. 877.50.

Step-by-step explanation:

Answer:

you could buy 28518.75 sugar for 877.500

Step-by-step explanation:

260 / 8 = 32.5

this gives you how much it cost per 1 (units)

32.5 * 877.50 = 28518.75

Lenny makes $55,000 and is getting annual raises of $2,500. Karl makes $62000, with
annual raises of $2,000. How many years will it take for Lenny and Karl to make the
same salary?

Answers

Step-by-step explanation:

let no of years be x.

55000 + 2500x = 62000 + 2000x

500x = 7000

x = 14

therefore, 14 years.

Topic: algebraic eqns

If you like to venture further, do check out my insta (learntionary) where I constantly post math tips! Thanks!

The lengths of the sides of a triangular sign are x inches, (4x - 5) inches, and (7x+8) inches. What is the perimeter of the sign?
The perimeter of the sign is in.
(Simplify your answer Do not factor)​

Answers

Answer:

The perimeter of triangular sign is 12x+3

Step-by-step explanation:

Length of side1 of triangle = x inches

Length of side2 of triangle = 4x-5 inches

Length of side3 of triangle = 7x+8 inches

We need to find perimeter of triangular sign.

The formula used is: [tex]Perimeter \ of \ triangle = Sum \ of \ all \ three \ sides[/tex]

Now, finding perimeter of triangular sign:

[tex]Perimeter \ of \ triangle = Sum \ of \ all \ three \ sides\\Perimeter \ of \ triangle = x+4x-5+7x+8\\Perimeter \ of \ triangle = x+4x+7x-5+8\\Perimeter \ of \ triangle = 12x+3[/tex]

The perimeter of triangular sign is 12x+3

PLEASE HELP 40 POINTS!!!, I DO NOT KNOW HOW TO DO THIS AT ALL​

Answers

Answer:

ill Put the answer in the comments if you give a pic of the image for this problem

Step-by-step explanation:

What is 14.724 rounded by the nearest hundredth

Answers

Answer:

14.72

Step-by-step explanation:

The answer is 14.72 hope this helped!

a = 7 and 10 – a = 3

Answers

Uhh it’s true.........
10-7=3???? there is literally answer

Plz help me I am timed!!

10/9 = 5/3x. X= ?

Answers

2 x equals 2 it’s 2 YYAAAA

Two groups of people, the Yellow Group and the Orange Group, suddenly find themselves in a world where there are only two 'production opportunities': pumping water and picking berries.


After a little while the Yellow Group has learned that it seems to produce about 2 gallons per hour while pumping water and about 8 berries per hour while picking.


Meanwhile the Orange Group has learned that it seems to produce about 1 gallon per hour while pumping water and about 3 berries per hour while picking.


If we were able to make production decisions that were efficient from the perspective of both groups combined, what would we consider to be the opportunity cost of producing one gallon of water?


3 berries


4 berries


25 cents


33⅓ cents

Answers

Answer:

3 berries

Explanation:

Opportunity costs for the Orange group:

Opportunity cost of pumping 1 gallon of water = 3/1 = 3 berries

Opportunity cost of picking 1 berry = 1/3 = 0.333 gallons of water

Opportunity costs for the Yellow group:

Opportunity cost of pumping 1 gallon of water = 8/2 = 4 berries

Opportunity cost of picking 1 berry = 2/8 = 0.25 gallons of water

Opportunity cost for both groups combined:

Opportunity cost of pumping 1 gallon of water = 3 berries (Orange group should pump water since opportunity cost is lower)

Opportunity cost of picking 1 berry = 0.25 gallons of water (Yellow group should pick berries since opportunity cost is lower)

Opportunity costs are the extra costs or benefits lost resulting from choosing one investment or activity over another alternative. In this case, people can either pump water or pick berries, but they cannot do both at the same time. When they are pumping water, the opportunity cost is the amount of berries that they will not be able to collect, and vice versa.


Juice is sold in small bottles and large bottles.
The volume of the large bottle is 1125 ml.
1125 ml
volume of small bottle : volume of large bottle = 2:5
A cafe has small glasses and large glasses.
volume of small glass : volume of large glass - 4:7
A small bottle fills 6 smal glasses with no juice left over.
How many large glasses can be filled by a large bottle?
You must show your working out

Answers

Answer:

8 large glasses can be filled by a large bottle.

Step-by-step explanation:

First we calculate the volume of a small bottle:

[tex]\frac{SmallBottle}{1125}=\frac{2}{5}[/tex]Volume of small bottle = 450 mL

Now we calculate the volume of a small glass:

" A small bottle fills 6 small glasses with no juice left over.", this means that

Volume of small glass = volume of small bottle / 6Volume of small glass = 450 / 6 = 75 mL

Then we calculate the volume of a large glass:

[tex]\frac{75}{LargeGlass}=\frac{4}{7}[/tex]Volume of large glass = 131.25mL

Finally we divide the volume of a large bottle by the volume of a large glass:

[tex]\frac{1125}{131.25}= 8.5[/tex]

So 8 large glasses can be filled by a large bottle with juice left over.

a new recipe calls for 1/3 cups sugar and you have 2 1/3 cups in the pantry if you have unlimited supplies of the other ingredients how many recipes could you make? PLS HELP ​

Answers

Answer:

7 recipes could be made with [tex]2\frac{1}{3}[/tex] cups of sugar.

Step-by-step explanation:

Quantity of sugar required for a recipe [tex]=\frac{1}{3}[/tex] cups

Quantity of sugar required in a pantry [tex]=2\frac{1}{3}[/tex] cups

Here,

[tex]2\frac{1}{3}=\frac{7}{3}[/tex]

So,

Quantity of sugar required in a pantry [tex]=\frac{7}{3}[/tex] cups

Number of recipes that could be made  [tex]=\frac{\frac{7}{3} }{\frac{1}{3} } =7[/tex]

Therefore, 7 recipes could be made with [tex]2\frac{1}{3}[/tex] cups of sugar.

$9.65 per hour 40 hours and time and a half for 5 hours

Answers

Answer:

im not 100% sure what your asking but i think its you make 9.65 per hour for 40 hours then 5 more hours how much are you making?

Step-by-step explanation:

its 434.25 here is why 9.65x40=386

+5hours 9.65x5=48.25

386+48.25=434.25

Just answer it plzzzzz

Answers

Answer:

i would say answer A

Step-by-step explanation:

it would be A because you add the distances from sea/ water level together and it’s 4 2/3 (2 1/4+ 2 1/2= 4 2/3)

A tin contains 18.5 litre of oil. How much such tin contain 129.5 litre of oil?

Answers

The answer is 7 its simple or long term division

4/7 divided by 4 ( simplest form)

Answers

Answer:

1/7 Brainliest plz

Step-by-step explanation:

HELP WHATS THE ANSWER

Answers

Answer:

13.5

Step-by-step explanation:

During one day in a hardware store, 37 people came in and made a purchase, and 13 people looked around but didn’t purchase anything. Express the following in ratios:
a. Purchasers to nonpurchasers
b. Nonpurchasers to purchasers
c. Purchasers to total customers
d. Nonpurchasers to total customers

Answers

A= 37:13
B= 13:37
C=37:50
D=13:50

Diana y Juan están considerando abrir una cafetería. Semanalmente ellos gastarian
$1.348 en costos fijos de utilidades y mantenimiento. Cada almuerzo tiene un costo
de producción de $3.50. por lo que piensan vender cada almuerzo en $8.
a. ¿Cuántos almuerzos deben elaborar semanalmente si desean obtener una
ganancia de $775 para cada uno?

Answers

Answer:

Unidades a vender= 644 unidades

Step-by-step explanation:

Dada la siguiente información:

Costos fijos= $1.348

Costo unitario= $3,5

Precio de venta= $8

Ganancia deseada= 775*2= $1.550

Para calcular el número de unidades a vender, debemos usar la siguiente formula:

Unidades a vender= (costo fijo + ganancia deseada) / contribución marginal unitara

Unidades a vender= (1348 + 1550) / 4,5

Unidades a vender= 644 unidades

Please help (look at the picture)

Answers

no
the input of x (7) has two different y values which makes it not a function

What is the factorization of the trinomial below?
2x2 + 11x+15
A. (2x + 1)(x +15)
B. (2x+15)(x + 1)
C. (2x+3)(x+5)
D. (2x+5)(x+3)
SUBMIT

Answers

Answer:

D

Step-by-step explanation:

Just took the test

can someone help me ASAP??? 49 POINTS!!!!!!!!!

John has 600 marbles and he is giving to his friends. he gives 1/5 of them to bob, 8% to pat, and 75 to matt. How many marbles does John have left?

Answers

Answer:

John has 357 marbles left.

Step-by-step explanation:

120 marbles went to Bob

48 went to Pat

and 75 to Matt.

I need help please!:D

Answers

Answer:

1 & 2

Step-by-step explanation:

How many sixths make a third?
help me out ‍

Answers

One third = two sixths

1/6 + 1/6 = 1/3

In the diagram, Triangle ABC ~ Triangle ACD. If AD = 12 and DB = 15, What is AC?

Answers

Answer:

9

Step-by-step explanation:

DB^2=AD^2+AC^2

15^2=12^2+AC^2

AC^2=225-144

AC^2=81

AC=√81

AC=9

describe the inequality 5x>4x+7 in words​

Answers

Answer:

five times a number is greater than the sum of four times that number and seven

An artifact is four times 4 times older than an antiuqe book. In 200 years the artifact will be 3 times older than the book. How old is the artifact now?

Answers

Answer:

The present age of the artifact is 1,600 years

Step-by-step explanation:

let the present age of the artifact = x

let the present age of the book, = y

x = 4y ---- equation (1)

x + 200 = 3(y + 200) ------equation (2)

x + 200 = 3y + 600

substitute in the value of x into the equation;

4y + 200 = 3y + 600

4y - 3y = 600 - 200

y = 400

Then, x = 4 x 400

x = 1,600 years

Therefore, the present age of the artifact is 1,600 years

Answer:

The present age of the artifact is 1,600 years  

Step-by-step explanation:  

let the present age of the artifact = x  

let the present age of the book, = y  

x = 4y ---- equation (1)  

x + 200 = 3(y + 200) ------equation (2)  

x + 200 = 3y + 600  

substitute in the value of x into the equation;  

4y + 200 = 3y + 600  

4y - 3y = 600 - 200  

y = 400  

Then, x = 4 x 400

x = 1,600 years

Find the X- and y-intercept of the line -7/5x - 4y=7​

Answers

Answer:

-7 and 7

Step-by-step explanation:

Lara went to the nursery and spent $140 she purchased 4 plants each of the plant costs the same price what is the cost of 1 plants ?

Answers

Answer:

$35 per plant

Step-by-step explanation:

You take the 140 and divide that by 4 to get your answer.

10z^2 -2z-2 10z 2 −2z−2

Answers

just drop out. i’m sorry they are teaching you this

z =(2-√-116)/-20=1/-10+i/10√ 29 = -0.1000-0.5385i

z =(2+√-116)/-20=1/-10-i/10√ 29 = -0.1000+0.5385i

Step-by-step explanation:

A $1200 investment is made. How much should be invested at 15% and how much at 8% so that the total return on the entire investment is 9.5%?

Answers

Answer:

The amount invested at 15% = $257.14

The amount invested at 8% = $942.86

Step-by-step explanation:

Let the amount invested at:

15% = a

8% = b

Total invesment = $1200

Hence:

a + b= $1200....... Equation 1

a = 1200 - b

15% × a + 8% × b = 9.5% × 1200

0.15a + 0.08b = 0.095 × 1200

0.15a + 0.08b = 114..... Equation 2

We substitute 1200 - b for a in Equation 2

0.15(1200 - b) + 0.08b = 114

180 - 0.15b + 0.08b = 114

- 0.15b + 0.08b = 114 - 180

- 0.07b = - 66

b = -66/-0.07

b = $942.85714286

Approximately = $942.86

Note that:a = 1200 - b

a = $1200 - $942.86

a = $257.14

Which expression is equivalent to cos(40°)cos(10") + sin(40°)sin(10º)?
O sin(40° – 10°)
O cos(40° + 10º)
O sin(40° + 10º)
O cos(40° – 10º)

Answers

Answer:

The equivalent expression is cos(40° – 10º) ⇒ D

Step-by-step explanation:

The rule of cosine the compound angles is

cos (A + B) = cos A cos B - sin A sin B

cos (A - B) = cos A cos B + sin A sin B

Let us use these rules to solve the question

cos(40°)cos(10°) + sin(40°)sin(10º)

∵ The middle sign is plus

∴ We will use the 2nd rule above

→ Compare the rule by the given expression to find the value of A and B

A = 40° and B = 10°

∴ cos (A - B) = cos (40° - 10°)

∴ cos (40° - 10°) = cos(40°)cos(10°) + sin(40°)sin(10º)

The equivalent expression is cos(40° – 10º)

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