Ellie bought 0.7kg of jelly beans from her local food festival for £1.89. She knows that to work out the price of a whole kilogram she simply needs to divide the price she paid by the quantity she bought. Work out the price of 1kg jelly beans

Answers

Answer 1

This problem is solved by cross multiplication. Make the ratios equal to each other: Kilograms over price and then cross mulitiply: 0.7 kg / $ 1.89= 1.0 kg / x Cross multiply and the result is 0.7x = 1.89 Divide 1.89 by 0.7 The result is $ 2.70 for 1 kilogram of jelly beans.

Answer 2

Answer:

x = 2.7

Step-by-step explanation:

To find x

1) 1.89 ÷ 0.7 = 2.7

Thankyou

Related Questions

How do I round 123834392 to the nearest thousand

Answers

123834392

To round to the nearest thousand, take apart the number so that you only have x thousand.

4,392

Now, take the second highest number (hundred) and if it is 1-4 then it stays the same. If it's 5+, then it would go up one. In this case, since the hundreds place is 3, the number would stay the same.

What is 380,303 rounded to the nearest ten thousands

Answers

380,000 is the answer if it isnt ten thousandths

The required number is 380,303.

It is required to find nearest ten thousands of the number.

What is "Rounding" ?

Rounding means making a number simpler but keeping its value close to what it was.

Given that:

We have to find the nearest ten thousands of the number 380.303.

We know that to round a number to the nearest 10,000, check the thousands digit to decide whether to round up or round down. If the thousands are 5000 or more, round up. If they are 4999 or less, round down. 45,000 to the nearest 10,000 is 50,000.

So, the number is less than 5000 so, round down or unchanged.

Therefore, the required number is 380,303.

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TRUE OR FALSE: The number 532 has 2 significant digits.
Select one:
True
False

Answers

the answer is false, youre welcome

Verify the identity. quantity one minus sine of x divided by cosine of x equals cosine of x divided by quantity one plus sine of x

Answers

now, recall that the conjugate of a + b, is just a - b, therefore, the conjugate of 1 - sin(x) is just 1 + sin(x).

so hmmm let's multiply the left-side by the conjugate of the numerator then.

[tex]\bf sin^2(\theta)+cos^2(\theta)=1\implies cos^2(\theta)=1-sin^2(\theta) \\\\\\ \textit{difference of squares} \\ \quad \\ (a-b)(a+b) = a^2-b^2\qquad \qquad a^2-b^2 = (a-b)(a+b)\\\\ -------------------------------\\\\[/tex]

[tex]\bf \cfrac{1-sin(x)}{cos(x)}=\cfrac{cos(x)}{1+sin(x)} \\\\\\ \cfrac{1-sin(x)}{cos(x)}\cdot \cfrac{1+sin(x)}{1+sin(x)}\implies \cfrac{[1-sin(x)][1+sin(x)]}{cos(x)[1+sin(x)]} \\\\\\ \cfrac{1^2-sin^2(x)}{cos(x)[1+sin(x)]}\implies \cfrac{\underline{cos^2(x)}}{\underline{cos(x)}[1+sin(x)]}\implies \cfrac{cos(x)}{1+sin(x)}[/tex]

A total of 252 tickets were sold for the school play. They were either adult tickets or student tickets. The number of student tickets sold was two times the number of adult tickets sold. How many adult tickets were sold?

Answers

Let the number of tickets be x,
Students= 2x
Adults= x
Total=3x
3x=252
x= 252/3
=84
Thus, number of adult tickets sold is 84

The number of adult ticket sold are 28.

What is a ticket ?

"a piece of paper or card that shows you have paid for a journey, or that allows you to enter a theatre, cinema, etc."

Let, the number of student ticket be x

Let, the number of adult ticket be y

So, [tex]x = 2y[/tex]

And Given,

Total number of tickets are 252

So, [tex]x+y = 252[/tex]

[tex]2y + y = 252\\3y = 252 \\y = 28[/tex]

Hence, the adult tickets sold are 28.

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A three sided regular polygon is called equilateral.
a. True
b. False

Answers

False. Not all triangles are equilateral.

How to calculate percentage increase

Answers

Work out the difference (increase) between the two numbers you are comparing. Then divide the increase by the original number and multiply the answer by 100. If your answer is a negative number then this is a percentage decrease.

Final answer:

A percentage increase can be calculated by first finding the difference between the new and original values, then dividing that difference by the original value. The result is then multiplied by 100 to get the percentage increase. This method can also help calculate inflation rates and various other mathematical problems.

Explanation:

To calculate a percentage increase, you need to understand the basic principles of mathematics. Using the context provided, we can define calculating a percentage increase in the following way:

Steps to Calculate Percentage Increase:

For example, suppose the original price for a basket of goods was $20 and the new price is $25. First, find the difference: $25-$20 = $5. This is the increase. Then, divide the increase ($5) by the original price ($20) to get 0.25. Multiply by 100 and you get a 25% increase.

This method can be applied to many scenarios including calculating the rate of inflation. There are also online calculators and computers that can assist in finding these percentages quickly.

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In angle abc , m angle A =x , m angle B =2x+2, m angle C = 3x+4.what is value x

Answers

A + B + C = 180
x + 2x + 2 + 3x + 4 = 180
6x + 6 = 180
6x = 174
x = 29

Value rent-a-car rental a luxury car at a daily rate of $43.09 plus 4 cents per mile. a business person is allotted $100 for car rental each day. how many miles can the business person travel on the $100

Answers

To calculate the total miles he is allowed we must setup an expression for total cost of the car per day. Cost = 43.09 + .04x where x is the number of miles driven. To find out the number of miles driven with $100, we plug in $100 for cost and solve for x. Doing this we get 100 = 43.09 + .04x, where .04x = 56.91 and solving for x we get x=1422.75 or 1422 miles. In this case we do not round up since adding an additional mile would put us over the $100 budget. Answer = 1422 miles.

please Sara recorded the height of the ocean at low tide, with respect to sea level, for four days. Time Low Tide (inches) Monday a.m. −4 Monday p.m. −6 Tuesday a.m. −3 Tuesday p.m. −1 Wednesday a.m. 0 Wednesday p.m. 2 Thursday a.m. −1 Thursday p.m. −3 What is the average height of the ocean at low tide with respect to sea level? Enter your answer in the box.

Answers

-2 inches This is a simple average of 8 data points. All you need to do is add the value of all the data points together, then divide the sum by the number of data points. So (â’4 + â’6 + â’3 + â’1 + 0 + 2 + â’1 + â’3) / 8 = -16 / 8 = -2 S

Answer:

-2

Step-by-step explanation:

The averge of low tide is of -2 inches

What is the answer to 7x+5-8x

Answers

Combine like terms. Remember that like terms are terms that are completely the same excluding the coefficient.

7x-8x=-1x

Final answer: -x+5

marcella divide 40.8 gallons of paint among 8 containers. how much paint is in each container

Answers

There are 5.1 gallons in each container. :)

Marcella is evenly dividing 40.8 into 8 groups.
Use division to solve.

40.8/8 = 5.1

5.1 gallons of paint are in each container.

hope this helps! :D
if you have any other questions
on THIS specific problem, let me know!

A rectangle has a perimeter of 112 centimeters. if the length of the rectangle is 3 times its width, find the dimensions of the rectangle.

Answers

112/2=56 (sum of both lengths)
4x=56
x=14

length=42
width=14

nine less than the product of ten and a number d is eleven

Answers

9 - (10d) = 11

Add 9 to both sides.
10d = 20

Divide both sides by 10.
d = 2

The answer is d = 2.

One angle in a triangle measures twice the smallest angle, whereas the largest angle is nine times the smallest angle. find the measures of all three angles.

Answers

The measures of all three angles are 15, 30, and 135 degrees respectively.

What is the angle sum property?

The angle sum property of a triangle states that the sum of the interior angles of a triangle is 180 degrees.

Let the smallest angle be represented as x,

one angle = 2x

largest angle = 9x

Therefore, x + 2x + 9x = 180° (by angles sum in a triangle)

12x = 180°

x = 15°

Then 2x = 15° x 2

= 30°

Also, 9x = 15° x 9

= 135°

Hence, The smallest angle is 15° and the one angle is 30°.

The largest angle is 135°.

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Which number produces an irrational number when multiplied by 0.4? A. B. 0.444... C. 3 D.

Answers

square root of 13 and 3pie

The number produces an irrational number when multiplied by 0.4 would be C) 3π.

What are irrational numbers?

Irrational numbers are those real numbers that are not rational numbers.

Know that all natural numbers are integers, and all integers are rational numbers. That means natural numbers are not irrational.

π is irrational, and so is 3π

The expression 3π +0.4 is an irrational term as well.

If x is irrational and y is rational, then x + y is the irrational term.

Thus, choice C is the answer.

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Simplify the trigonometric expression. Show your work.

1/1+sin theta + 1/1-sin theta

Answers

Hello,

[tex] \dfrac{1}{1+sin(\theta)} + \dfrac{1}{1-sin(\theta)} \\\\ \dfrac{1-sin(\theta) + 1+sin(\theta)} {1-sin^2(\theta) }}\\\\ = \dfrac{2} {cos^2(\theta)} [/tex]

trigonometric identites

1. D

2. B

3. tangent identity

4. A

5. B. 2sec2 therma.

(also, the answer above me is NOT correct. the asnwer was 2sec2 therma.

A six-sided number cube is labeled with the numbers 1–6, one number on each face. Each number is used exactly once. How many possible outcomes exist when the cube is rolled two times?

Answers

Answer:

Step-by-step explanation:

When the cube is rolled two times

Let (a,b) denote a possible outcome of rolling the cube twice , with a the number on the top of the first roll and b the number on the top of the second roll

(1,1) (1,2) (1,3) (1,4) (1,5) (1,6)

(2,1) (2,2) (2,3) (2,4) (2,5) (2,6)

(3,1) (3,2) (3,3) (3,4) (3,5) (3,6)

(4,1) (4,2) (4,3) (4,4) (4,5) (4,6)

(5,1) (5,2) (5,3) (5,4) (5,5) (5,6)

(6,1) (6,2) (6,3) (6,4) (6,5) (6,6)

There are 36 possibilities for (a,b).

It can be obtained from the multiplication principle: there are 6 possibilities for a, and for each outcome for a, there are 6 possibilities for b.

So, the total number of outcomes (a,b) is [tex]6 \times 6 =36[/tex]

Hence the total number of possible outcomes is 36

When the cube is rolled two times, there are a total of 36 possible outcomes.

Use the concept of probability defined as:

Probability is the ratio of:

The number of favorable outcomes to the total number of outcomes for an event's taking place.

Given that,

A six-sided number cube is used, with numbers 1-6 labeled on each face.

Each number is used exactly once on the cube.

The cube is rolled two times.

The objective is to determine the number of possible outcomes when rolling the cube two times.

To find the number of possible outcomes when a six-sided number cube is rolled two times:

Use a simple principle called the multiplication principle.

Since there are six possible outcomes for each roll,

The total number of outcomes for rolling the number cube two times is found by multiplying the number of outcomes for each roll together.

So, if you roll the number cube two times,

There would be 6 outcomes for the first roll and 6 outcomes for the second roll.

Multiplying them together gives us a total of 36 possible outcomes.

Hence,

The answer is 36 possible outcomes when the cube is rolled two times

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G(a)=2a-1 h(a)=3a-3
Find (g-h)(-4)

Answers

Final answer:

To find (g-h)(-4), we calculate g(-4) as -9 and h(-4) as -15. Subtracting the latter from the former results in -9 + 15, which equals 6.

Explanation:

To find (g-h)(-4), we need to calculate the value of g at -4 and the value of h at -4, and then subtract the value of h from g.

The functions are defined as G(a)=2a-1 and h(a)=3a-3. Let's compute these step-by-step:

Calculate g(-4):

G(-4) = 2(-4) - 1

= -8 - 1

= -9

Calculate h(-4):

h(-4) = 3(-4) - 3

= -12 - 3

= -15

Calculate (g-h)(-4):

= g(-4) - h(-4)

= -9 - (-15)

= -9 + 15

= 6

Therefore, (g-h)(-4) equals 6.

If 8 is subtracted from 7 times a number the result is 34

Answers

7x - 8 = 34

Solving:

7x = 34 + 8
7x = 42
x = 6

Hope this helps!

Please help:
[tex]5^{x-1} + 5 [/tex] x [tex]0.2^{x-2} = 26[/tex]

When I tried it, I got up until canceling the 5s and getting x - 1 - x - 2 = 21

What did I do wrong?

Answers

[tex]5^{x-1}+5*0.2^{x-2}=26\\ 5^{x-1}+ \dfrac{1}{5^{x-3}} =26\\ 25*5^{x-3}+\dfrac{1}{5^{x-3}} =26\\ Assume\ y=5^{x-3}\\ 25y+ \dfrac{1}{y}=26\\ 25y^2-26y+1=0\\ \Delta=(-26)^2-4*25=576=24^2\\ y= \dfrac{26+24}{50} =1 \ or\ y= \dfrac{26-24}{50} = \dfrac{1}{25} \\ if\ y=1\ then 5^{x-3}=1==\ \textgreater \ x-3=0==\ \textgreater \ x=3\\ if\ y= \dfrac{1}{25}\ then\ 5^{x-3}=\dfrac{1}{5^2}==\ \textgreater \ x-1=0==\ \textgreater \ x=1\\ [/tex]

What is the slope of the line that passes through points (5,0) and (10, 0)? How do you know?

Answers

It is 0, because you do the equation rise/run, which is the diffrence of both y axes (rise), and run, which is the difference of both x axes (run). So you have 5/0, which is 0. Also, if you draw it out, you have a flatline, which means no slope at all.

You roll a six sided dice four times, what is the probability of rolling four sixes?

Answers

1/6 × 1/6 x 1/6 × 1/6

6×6×6×6

6×6=36
36×6=216
216×6=1296

1/1296

If, while training for a marathon, you ran 54 miles in 2 2/3 months, how many miles did you run each month?

Answers

54 / 2 2/3 =

54/1 / 8/3 =

54/1 x 3/8 = 162/8 = 20 1/4 miles per month

Which of the following shows the correct order of the numbers below? (1/2) 2 , , 0.45

Answers

The correct order would be 0.45, (1/2), 2
Hope I helped :)

round 689002 to the nearest1,000,000

Answers

689,002

if you round by hundred thousands, it will be 1,000,000

hope this helps

What is the area, in square millimeters, of a right triangle with a hypotenuse of 68 millimeters and a leg of 60 millimeters?

Answers

First, we have to solve the sides of the right triangle by using the Pythagorean theorem: a² + b² = c² where c is the length of the hypotenuse. Then, we can use the legs as length and height of the triangle and find the area by 1/2(base x height).

x² + 60² = 68²
x² + 3600 = 4624
x² = 1024
x = √1024
x = 32 = length of the other side

A = (1/2)(32) (60) = 960 mm²

Find the complex conjugate of the given number -1+4i

Answers

With every imaginary term, there are 2 complex conjugates with opposing signs. So if I had the term a+bi, the complex conjugate would be a-bi. So given your example of -1+4i, the complex conjugate would just be the opposite sign, now negative, to get -1-4i.

Which expression is the correct translation of the following word phrase?

"3 multiplied by the sum of a number and 5"
Answer choices:
A) 5X+3
B)3X+5
C)X+(3)(5)
D)3(X+5)

I think the answe is B ,but I think it could be A as well ,but I just need toconfirm if I'm correct or not.Thanks in advance:).

Answers

Hey, there!

The parentheses would make it multiplication
The word sum means add
A number was unknown, so we will label it as "x"

So, let's see what we're working with here!

If you chose "Option A" the question would be "five multiplied by a number and the sum of 3" (that doesn't give you the right answer"
For B. same thing with option A
For "Option C" its not asking you "a number with sum of three times five"

So, this leaves "Option D." as your answer because 3 is getting multiplied by the sum of some number and five

Good luck on your assignment and enjoy your day!

~MeIsKaitlyn:)

Final answer:

The correct translation of the word phrase '3 multiplied by the sum of a number and 5' is option D) 3(X+5).

Explanation:

The correct translation of the word phrase '3 multiplied by the sum of a number and 5' is option D) 3(X+5).

In this expression, the number is represented by X. The sum of the number and 5 is represented by (X+5). Multiplying 3 by the sum gives us 3(X+5).

Find the value of x that makes lines u and v parallel

Answers

x = 4

34x - 2 + 11x +2 = 180
If consecutive interior angles are supplementary then the 2 lines are parallel

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