If 2.2 pounds of a certain grain cost $1.54, how much will 5.7 pounds of the grain cost? A. $4.38
B. $4.79
C. $3.62
D. $3.99

Answers

Answer 1
It's D, you have to divide 1.54$ by 2.2pounds, then you will get the price for 1 pound. And then multiply the price (0,7$) by 5,7 pounds
Answer 2

The cost of 5.7 pounds of the grain is given by the proportion A = $ 3.99

What is Proportion?

The proportion formula is used to depict if two ratios or fractions are equal. The proportion formula can be given as a: b::c : d = a/b = c/d where a and d are the extreme terms and b and c are the mean terms.

The proportional equation is given as y ∝ x

And , y = kx where k is the proportionality constant

It demonstrates the equality of the relationship between the expressions printed on the left and right sides.

Given data ,

Let the proportion be represented as A

Now , the value of A is

We can use a proportion to solve this problem. Let "A" be the cost of 5.7 pounds of the grain. Then we can write:

2.2 pounds / $ 1.54 = 5.7 pounds / A

To solve for "A", we can cross-multiply and simplify:

2.2 pounds x A = $ 1.54 x 5.7 pounds

A = ($ 1.54 x 5.7 pounds) / 2.2 pounds

A = $ 3.99

Hence , 5.7 pounds of the grain will cost $ 3.99

To learn more about proportion click :

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Step-by-step explanation:

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Marlene decided to buy 2 bags of apples weighing 3 1/4 pounds each, instead of 3 bags weighing 2 2/5 pounds each. Did she end up with more apples or fewer apples by buying the bigger bags?

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The first fill in the blank is 6 1/2

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So, she ended up buying fewer apples

Can I have a brainliest?

Answer:

The first fill in the blank is 6 1/2

The second one is 7 1/5

She ended up buying fewer apples

Step-by-step explanation:

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Answer:

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Step-by-step explanation:

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X(3, 4); scale factor = 7

Answers

Answer:

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Step-by-step explanation:

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Answers

Answer: 11

Step-by-step explanation:

49.5/9 = 5.5

5.5 x 2 =11

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99/2=49.5

What is the slope of the line that passes through the points (-9, -9) and (-6, -12)

Answers

Answer:

3/3

Step-by-step explanation:

x2 minus x1 over y2 minus y1

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Answer:

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Step-by-step explanation:

A student did an experiment to test the hypothesis that brand name paper towels soak up water better than generic paper towels. What would be the independent variable in the student's experiment?

Answers

Answer: The independent variable is the brand and the dependant variable is the amount of water you use.

Step-by-step explanation:

The Independent variable is the condition that you change in an experiment.

The dependant variable is the condition that you measure in an experiment.

The independent variable in the student's experiment is the type of paper towel used.

In an experiment, there are three types of variables:

The independent variable : the experimenter can change or manipulate this variable in order to determine its effect on the dependent variable. The dependent variable : this is the variable whose value would be determined in the experiment.The extraneous variable : this is the variable that can affect the result of the experiment but it is not researched in the experiment.

In this question the type of towel used would determine the amount of water that can be absorbed. This makes the type of towel used the independent variable. The dependent variable is the amount of water absorbed.

To learn more about independent variables, please check: https://brainly.com/question/1479694?referrer=searchResults

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This question has far to little detail for someone to answer correctly, the person who got 22=11+n is just spiting out random stuff.

If g (x)= 3/2x+4, what is the value of g(2)?

Answers

Answer:

g(2) =7

Step-by-step explanation:

g (x)= 3/2x+4

Let x = 2

g (2)= 3/2 *2+4

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Step-by-step explanation:

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Answer cannot be further simplified.

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Answers

Answer:

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Step-by-step explanation:

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Answer:

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Step-by-step explanation:

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Answers

Answer:

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Step-by-step explanation:

Factor the following:

64 x^3 + 729

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Answer: (4 x + 9) (16 x^2 - 36 x + 81)

Answer:

(4x+9)(16x2−36x+81)

Step-by-step explanation:

Factor 64x3+729

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See attachment.

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7n^2 + 5 = 453

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Answers

Answer:

x=3

Step-by-step explanation:

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Answer: D. Y=-2x-1

Explanation:

Solve the following equation for a.

a-f=q

Answers

Answer:

a=q+f

Step-by-step explanation:

1. a-f=q

2. you need to do the opposite of -f which is +f to cancel it out

after that you need to do the +f to the q

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Using the literal equation a-f = q, the solution for a = p + q

What is literal equation?

A literal equation are  type of equations which have two or more unknown variables . A literal equation can be solved by adding or subtracting or multiplying or divide by same numbers to the both sides of the equation in order to solve the expression for the required variable.

For example if an given equation is x+ y =2 and we want to solve it for y

Then we will try to keep y on one side and take remaining terms to other side.⇒ y = x-2  is solution for y.

Given equation :

a- f = q

To solve for a, add f to both sides

⇒ a- f +  f = q+ f

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Solution for a is q +f.

Also, Learn more about the literal equation from the link below:

brainly.com/question/18262264

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Can someone help me with this problem

Answers

explanation:

angle A and 121.1° are supplementary angles, so they add up to 180°. therefore, we would need to subtract 121.1 from 180 to find angle A:

180 - 121.1 = 58.9°

if we have a geometric series with u1 = 2.1 and r= 1.06, what would the least value of n be such that Sn > 5543?

Answers

Answer:

  88

Step-by-step explanation:

Write the expression for the sum in the relation you want.

  Sn = u1(r^n -1)/(r -1) = 2.1(1.06^n -1)/(1.06 -1)

  Sn = (2.1/0.06)(1.06^n -1) = 35(1.06^n -1)

The relation we want is ...

  Sn > 5543

  35(1.06^n -1) > 5543 . . . . substitute for Sn

  1.06^n -1 > 5543/35 . . . .  divide by 35

  1.06^n > 5578/35 . . . . . . add 1

  n·log(1.06) > log(5578/35) . . . take the log

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The least value of n such that Sn > 5543 is 88.

[tex]|f-1|\leq 6[/tex]

Answers

Answer:

F could equal 7 or anything below seven.

1. A large pizza costs $10, plus $1.25 for
each topping. How many toppings did you
get if your total bill was $15?

Answers

4 toppings

10+1.25x=15
Subtract 10 both sides
1.25x=5
Divide both sides by 1.25
x=4

Answer:

you got 4 toppings

Step-by-step explanation:

$15-$10=$5

5÷1.25=4

Solve the system of equations using the linear combination method.
4x−2y=7
3x+2y=0

Answers

Answer:

x = 1

y = -3/2

Step-by-step explanation:

Step 1: Arrange the equations with like terms in column.

Step 2: You want 1 set of coefficients that are opposites. This problem already has opposites: -2y and +2y.

Step 3: Solve for x.

4x-2y=7

3x+2y=0

--------------

7x = 7

x = 1

Step 4: Substitute the value of x and solve for y.

4(1)-2y=7

4-2y=7

-2y=7-4

-2y=3

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You go out to lunch with some friends at your favorite restaurant. The bill is $25.56 and you want to leave a 20% tip. What is the TOTAL COST of the bill with tip included?

$20.45

$30.67

$127.80

$5.11

Answers

Answer:

30.67

Step-by-step explanation:

20 percent of 25.56 is 5.1

As an estimation we are told £3 is €4.
Convert €20 to pounds.

Answers

Answer:

£15

Step-by-step explanation:

Set up a proportion, where x is €20 in pounds

[tex]\frac{3}{4}[/tex] = [tex]\frac{x}{20}[/tex]

Cross multiply and solve for x:

4x = 60

x = 15

So, €20 is equal to £15

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