Please i need help :(

The required linear equation is 5x + 7y = 280

Product A requires = 5 hours on machine

Product B requires = 7 hours on machine

Time when machine is available = 40 hours per week

this means it is available for 40 × 7 = 280 hours

Given ; let x be the number of product a made

and y be the number of product b.

Thus the linear equation can be obtained as

5x + 7y = 280

where x is for the number of product A makes

and y is for the number of product B makes.

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The range of values that we are permitted to enter into our function is known as the domain of a function.The x values for a function like f make up this set (x).A function's range is the collection of values it can take as input.After we enter an x value, the function outputs this sequence of values.

What is the domain and range formula?

In order to identify the values of the independent variable x and acquire the domain, we simply solve the equation y = f(x).

Simply put, x=g(y) will calculate the function's range after we identify g's domain (y)

The image has four graphs.

Using set-builder notation or inequality notation, we must determine the scope and range of each function.

The range of values that we are permitted to pass into our function is known as the domain of a function.

The values of the x-axis for a function like f are contained in this collection (x).

This is the set of values that can be entered into a function.

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The two variables are x and y as savings and cost, respectively. The inequality that represents the given sentence is x ≥ 14000 + y.

To represent an unknown number, letters and symbols are used which is known as variables.

The amount of savings and the costs are the unknowns, hence, we can assign a variable to each to represent them.

Let x = savings and y = cost.

Inequality demonstrates the relationship between quantities that are different from each other. The expressions in comparison can be separated by the symbol <, >, ≤, or ≥.

Let x = savings and y = cost.

The given sentence can be expressed as

x ≥ 14000 + y

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Rex's bike distance in kilometers is calculated to be 104.65 kilometers

Given that:

rex rides his bike for 13 miles each day for 5 days

1 mile = 1.61 kilometers

Rex's total ride in five days

13 miles * 5 days = 65miles

1 mile = 1.61 kilometers

65 miles = ? kilometers

cross multiply gives

? kilometers * 1 mile = 1.61 kilometers * 65 miles

? kilometers = 106.65 kilometers

Hence the unknown distance in kilometers represented as ? is solved to be 106.65 kilometers to the nearest hundredth

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Answer:

b 104.65

Step-by-step explanation:

i did the exam

If 2/5 of the fish in Gary’s fish tank are guppies. 1/4 of the guppies are red. The fraction of the fish in Gary’s tank that are red guppies is 1 / 10. The fraction of the fish In Gary’s tank that are not red guppies is 9 /10.

Given  data:

Fish in Gary's fish tank that are guppies = 2 / 5

Guppies that are red = 1 / 4

Fraction of the fish in Gary's tank that are red guppies = ?

Now let find the fraction

Fraction = 2 /5 × 1 / 4

Fraction = 2 / 20

Simplifying 2/20 to lowest terms = 1 / 10 (red)

b. Fraction of guppies that are not red

Fraction = 1 - 1 /1 0

Fraction = 9 / 10

Therefore 1 /1 10 are red guppies and 9 / 10 are not red guppies.

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Answer:

18.3 yards

Step-by-step explanation:

6 yards = 18 feet

1/3 yards = 0.3333...

Answer:

5. N

6. ?

7. M, L, J

8. JL

Step-by-step explanation:

Answer:

May be -4 will be the answer

Step-by-step explanation:

2x+3+5x-2

7x+1

x =

1

_

7

I hope you understand the answer . I am sorry for writing it in weird way

answer is 1 by 7

Answer:

x = -1/4, or -0.25

Step-by-step explanation:

1/3 + 2/3x = -5/6x - 1/24

first lets write everything in the common denominator of 24

8/24 + 16/24x = -20/24x - 1/24

now we take all our x's onto 1 side, and all our numbers onto the other side

36/24x = -9/24

lets cancel out all the 24's

36x = -9

x = -9/36

now lets simplify

x = -1/4, or -0.25

The inequality for the possible value of the number of tacos sold in the number of burrito will be;

⇒ $3.75x + $7.75y < 430

What is Inequality?

A relation by which we can compare two or more mathematical expression is called an inequality.

Given that;

Cost of each taco = $3.75

Cost of each burrito = $7.75

And, Hannah Montana less than 430 of worth of tacos and burritos each day.

Now,

Let the number of taco = x

Let the number of burrito = y

So, Cost of taco = $3.75x

Cost of burrito = $7.75y

Since, Hannah Montana less than 430 of worth of tacos and burritos each day.

So, we can formulate the inequality as;

⇒ $3.75x + $7.75y < 430

Therefore,

The inequality for the possible value of the number of tacos sold in the number of burrito will be;

⇒ $3.75x + $7.75y < 430

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  k3[fe(c2o4)3]â‹…3h2o. trihydrate, k 3 [ fe ( c 2 o 4 ) 3 ] â‹… 3 h 2 o . ?

Center of a data set is a single number that sumarizes the entire data, the median is the best measure of center to use in this distribution.

Median is the midpoint value of a data set, where the values are arranged in ascending or descending order:

As a first step let's organize the data in ascending order:

3, 4, 5, 6, 7, 8, 9, 10, 11

The median is 7.

Answer:

[tex]6b + 8c \geqslant 96[/tex]

[tex]b + c \leqslant 15[/tex]

The length of the model car based on the information is 0.8 feet.

It should be noted that scale simply shows the relationship between a measurement on a model as well as the corresponding measurement on the actual object.

From the information, the model car is constructed with a scale of 1:15.

When the actual car is 12 feet long, the length of the model will be illustrated as x. This will be:

= 1/15 = x / 12

Cross multiply

15x = 1 × 12

15x = 12

Divide

x = 12 / 15

x = 0.8

The length is 0.8 feet.

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Answer:

4/3

Step-by-step explanation:

We multiply the factors, and we get the answer of 1.

3    x     4     =      12
_           _             _
4    x     3     =      12

12/12 is 1.

The answer is 4/3.

Hope this helps!

Btw, could I get Brainliest? Thanks!

(it took me so long just to type out that equation-)

Answer:

One of these is the answer you want. If you have choices, please list them.

Step-by-step explanation:

Solution and answer

Let x be the number that can be multiplied by 3/4 and get 1.

(3/4)*x = 1                     Multiiply both sides by 4

4*(3/4)x = 4*1                Combine

3x = 4                            Now divide by 3

3x/3 = 4/3                    

x = 1 1/3     or x = 4/3  or x = 1.3333333

Answer: 9/7 is already in the simplest form.

Answer:

9 hair ties

Step-by-step explanation:

Starting with an equation:

(Length of ribbon) / (Length of an individual hair tie) = (# of hair ties)

Then, we plug in our values:

(3 4/5 ft.) / (2/5 ft.) = x

x = 9.5

But because half of a hair tie doesn't count as a full hair tie, we round down to 9.

x = 9

Hope this helped! Brainliest would be appreciated but it's fine if not.

Answer:  a.) Circle B  

               b.) 9.42

Step-by-step explanation:

A diameter of 9 cm means that the circumference of Circle A is approximately 28.26 cm.

Circumference = Diameter x π

9 x 3.14 = 28.26

A radius of 6 cm means the circumference of Circle B is approximately 37.68 cm.

Circumference = 2 x Radius x π

2 x 6 x 3.14 = 37.68  

37.68 > 28.26

37.68 - 28.26

For these types of problems, I recommend numbermaniacs.com .

The most appropriate choice for rhombus will be given by-

Value of z is [tex]27^{\circ}[/tex]

What is a rhombus?

Rhombus is a parallelogram in which all the four sides are of same length and the angles are not [tex]90^{\circ}[/tex]

The properties of rhombus are

All the sides of a rhombus are equal

Diagonals of a rhombus bisect each other at  [tex]90^{\circ}[/tex]

Here,

From the given figure,

x = [tex]90^{\circ}[/tex] [Diagonals of rhombus intersect each other at [tex]90^{\circ}[/tex]]

z + 63 = x [Exterior angle of a triangle is equal to the sum of two opposite interior angles]

z + 63 = 90'

z = 90 - 63

z = [tex]27^{\circ}[/tex]

The value of z is  [tex]27^{\circ}[/tex]

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Answer:

28

Step-by-step explanation:

i promise

The length of hypotenuse BC is 19.4 cm.

So, a triangle with a right angle and a side.

Let's use the trigonometric cos:

Rounding to 3 significant figures: 19.4

Therefore, the length of hypotenuse BC is 19.4 cm.

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The correct question is given below:

Find the lengths of side BC. Give your answer to 3 significant figures.

Answer:

(x/3)+5 = 9

Because quotient is division so just add 5 to that is 9 ig

The rule for the translation of AABC to AA'B'C' is (x, y) to (x-2, y-4)

A translation, which consistently and uniformly moves each point in a figure in one direction, is an example of a transformation. are commonly referred to as slides. A translation can be expressed verbally or graphically using phrases like "moved up 3 and over 5 to the left."

In this case, we want to identify the translation rule.

The question suggests that the new image was only produced by moving the old image by a limited number of units.

The x-axis was moved in one direction while the y-axis was moved downward.

There are Y units as a result, ranging from 12 to 8.

a -4 motion

The x-axis has a two-unit movement to the left.

The rule is therefore:

(x, y) to (x-2, y-4)

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39.8631371388 days will be taken by amoeba to produce a population of 1000 .

The logarithm is exponentiation's opposite function in mathematics. This indicates that the exponent to which b must be increased in order to obtain a number x is the logarithm of x to the base b.

So the number of amoebae doubles every cycle (a cycle being four days).  So we just multiply it by 2 every cycle

2 x 2 x 2...

A simple way to write this is using an exponent with a base of 2

2n

where n represents the number of cycles.

2^1 = 2 amoebae after one cycle

2^2 = 4 amoebae after two cycles

2^3 = 8 amoebae after three cycles, and so on

So you can substitute different numbers for n until you find the correct number of cycles, or you can take the base 2 logarithm of the equation.

2n = 1000

log2(2n) = log2(1000)

n = log2(1000)

Remember, n represents the number of cycles, so once you find it you will have to multiply it by the length of each cycle.

log₂(1000) = 9.9657842847 cycles this is the time taken by the amoeba to produce a population of 1000

therefore days taken will be = 9.9657842847 * 4 = 39.8631371388 days

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Let x be the number that we are interested in, then the statement written in algebraic form is:

Simplifying the above equation we get:

Subtracting 8 from the above equation we get:

Therefore, the number we are looking for is -1.

Answer:

And x=-1.

The approximate 95% confidence interval for the sample's mean number of ounces of ketchup per bottle is 24 ± 0.029

Based on the margin of error, the confidence interval is created. The size of the confidence interval for a specific confidence level is determined by three variables. These are population size, sample size, and percentage.

The mean of your estimate plus and minus the range of that estimate constitutes a confidence interval. Within a specific level of confidence, this is the range of values you anticipate your estimate to fall within if you repeat the test. In statistics, confidence is another word for probability.

Therefore,

The sample's average bottle contains 24 ounces of ketchup, with a 96% confidence interval of 0.029.

Detailed explanation:

Given

The average is 24 ounces.

0.2 ounces is the standard deviation.

Sample Size, n = 49 ketchup bottles

95% confidence interval (0.95)

The actions that must be taken in order to compute the confidence at this level are as follows:

1. Determining the degree of freedom

You may compute the degree of freedom (d f) by taking 1 out of the sample size.

d f = n - 1

d f = 49 - 1

d f = 48

2. Divide by two after subtracting the confidence level from 1.

α = (1 – .95) / 2 = 0.025

3. Consult the t-distribution table to get the solutions to (1) and (2).

When = 0.025 and there are 48 degrees of freedom (df),

We get 2.0106

4. Separate

=0.2/√49

=0.2/7

=0.028

=0.029

5. The following example is used to compute the 95% confidence interval.

As a result of step 5, X.

in which x = 24

Thus, we have

24 ± 0.029

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The slope of the line on the graph is found as -1/3.

For the given question;

Select two point lying on the line.

(x₁, y₁) = (0, 4)

(x₂, y₂) = (6, 2)

The slope of the line given in graph is calculated by formula;

slope = m =  (y₂ - y₁)/(x₂ - x₁)

Put the values in the slope.

m = (2 - 4)/(6 - 0)

m = -2/6

m = -1/3

Thus, the slope of the line on the graph is found as -1/3.

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Answer:

more details ???

Step-by-step explanation: