-3x + 4 < 16. Esta difícil

Answer:

Answer is x = 9                                                                

Answer:

4 x y

Step-by-step explanation:

y x y x y x y = y

2 x 2 = 4

4 x y

Yes, there is enough weight of plastic pellets in a full barrel for the machine to make trash bags for 5 minutes.

It is given that the factory makes trash bags using plastic pellets. The plastic pellets are placed in barrels. The barrels containing the plastic pellets are then poured into a machine. When the machine is operating, the change from a barrel of pellets to the trash bags is 3 kg per minute. Each full barrel contains 18 kg of plastic pellets.

We need to check if there are enough pellets in a full barrel for the machine to make trash bags for 5 minutes. Let the time for which the machine can make the bags from a single barrel of plastic pellets be denoted by the variable "t". The time taken by the machine to fully convert a barrel full of plastic pellets into trash bags is the ratio of the total weight of plastic pellets in the barrel to the rate of conversion of the plastic pellets into trash bags.

t = 18/3

t = 6

Hence, the machine can convert a barrel of plastic pellets into trash bags in a time duration of 6 minutes. So, there are enough pellets in a full barrel for the machine to make bags for 5 minutes.

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The greatest amount of sap collected from any one tree is ?

times as great as the least amount of sap collected from

any one tree. = 2 times

Answer:

9

Step-by-step explanation:

(2(-3)+3)^2

(-6+3)^2

(-3)^2

since the power of 2 is even it will be a positive result (if its a odd number like 3 it will be a negative result)

3^2

=9

By writing both variables in the same side of the linear equation, we will get the standard form:

2y + (-1)*x = 4

A linear equation between two variables x and y written in standard form is:

a*x + b*y = c

Where the coefficients a, b, and c, are all real numbers.

In this case, we have the linear equation:

2 + (1/2)*x = y

If we multiply both sides by 2, we get:

2*(2 + (1/2)*x) = 2*y

4 + x = 2y

Now we subtract x in both sides to get:

4 + x - x = 2y - x

4 = 2y - x

This is the linear equation in standard form:

2y + (-1)*x = 4

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As per given relation about the height of the buildings , the height of building A is 655 feet and height of building B is 855 feet.

As given in the question,

Let us consider height of building A is equal to x feet.

According to given condition height of building A is 200 feet shorter than building B.

Height of building B is equal to ( x + 200 ) feet.

Total height of building A and building B is equal to 1510 feet

Required equation is :

x + x + 200 = 1510

⇒ 2x + 200 = 1510

⇒ 2x = 1510- 200

⇒ 2x = 1310

⇒ x = 655 feet

Height of building B is :

x+ 200 = 655 + 200

            = 855 feet

Therefore, for the given relation about the height of the buildings , the height of building A is 655 feet and height of building B is 855 feet.

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The restaurant delivery service cover the area 113.04 miles².

What is Circle?

The circle is a closed two dimensional figure , in which the set of all points is equidistance from the center.

Given that;

A fast-food restaurant offers delivery service anywhere within a 6-miles radius.

Now,

The area cover by delivery service = πr²

Here, r = 6 miles

Thus, The area cover by delivery service = πr²

                                                                 = 3.14 x 6²

                                                                 = 3.14 x 36

                                                                 = 113.04 miles²

Therefore, The restaurant delivery service cover the area 113.04 miles².

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Answer: the answer to this is true

The simplified value of the expression (x³ + 9x²+ 26x + 24), when divided by (x + 3), is: the quotient will be x^2 + 6x + 8 and the remainder will be 0. (x + 3) will be a factor of (x³ + 9x²+ 26x + 24).

Let us solve the given algebraic expression by the long division method:

We are given the expression:

(x³ + 9x²+ 26x + 24) and (x + 3)

We need to perform the division of the given algebraic expression:

x + 3  ) x^3 + 9x^2 + 26x + 24 ( x^2 + 6x + 8

           x^3 + 3x^2

         -         -                            

                    6x^2 + 26x + 24

                    6x^2 + 18x

                     -        -                  

                                 8x + 24

                                 8x + 24

                               -       -          

                                     0

So,

quotient = x^2 + 6x + 8

remainder =  0

As the remainder is 0.

So, (x + 3) will be a factor of (x³ + 9x²+ 26x + 24)

Thus, the simplified value of the expression (x³ + 9x²+ 26x + 24), when divided by (x + 3), is: the quotient will be x^2 + 6x + 8 and the remainder will be 0. (x + 3) will be a factor of (x³ + 9x²+ 26x + 24).

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Answer: $56.25

Step-by-step explanation:

x = cost to make the shirt

x + 75(0.25) = 75

x = 75 - 18.25 = 56.25

Answer:

x = 2.875

Step-by-step explanation:

1 1/3 (9 - 6x) = -11

        12 - 8x = -11

            - 8x = -23

                x = 2.875

The inequality to represent the problem is x - 78.50 ≤ 61.50.

Joy can sped at most 140 dollars.

Joy went to a sporting goods store and bought a tennis racket for $78.50. To stick to her budget, she knows she can spend up to $61.50 on new tennis shoes.

The inequality that can be used to represent the problem is as follows;

Therefore,

x = total money Joy wants to spend in all

Hence, the inequality is x - 78.50 ≤ 61.50

x - 78.50 ≤ 61.50

x ≤ 61.50 + 78.50

x ≤ 140

Therefore, she wants to spend at most 140 dollars.

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Answer:

4th option

Step-by-step explanation:

216p³ + 125q³ ← is a sum of cubes and factors in general as

a³ + b³ = (a + b)(a² - ab + b²)

then

216p³ + 125q³

= (6p)³ + (5q)³ → with a = 6p and b = 5q

= (6p + 5q)((6p)² - 6p(5q) + (5q)² )

= (6p + 5q)(36p² - 30pq + 25q²)

The inequality that would represent the possible values for the number of hours babysitting and landscaping is b + l ≤ 14.

Inequalities are created through the connection of two expressions. It should be noted that the expressions in an inequality aren't always equal.

Inequalities implies that the expressions are not equal. They are denoted by the symbols ≥ < > ≤.

In this case, Alexander can work a maximum of 14 hours altogether between both jobs in a given week. This will be illustrated as:

b + l ≤ 14

b = babysitting

l = landscaping

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If Bisector BD bisects ∠ABC. and  ∠ABD= 67°, m∠CBD= 67°then m∠ABC= 134

As given, bisector BD bisects the angle ABC so this means, the angle ABC is divided into two halves. We need to find ∠ABC

So,

angle ABD= angle CBD.

and ∠ABD= (8x + 35)° (i)

∠CBD= (11x + 23)° (ii)

So,

(8x + 35)° = (11x + 23)°

On solving the above equation, we have

3x= 12

x= 4.

Putting x=4 in (i) we have,

∠ABD= 8(4) + 35

∠ABD= 67°

As ∠ABD = ∠CBD, we have

∠CBD= 67°

Now,

∠ABC= ∠ABD + ∠CBD

∠ABC= 67° + 67°

∠ABC= 134°.

Hence, If Bisector BD bisects ∠ABC. and  ∠ABD= 67°, m∠CBD= 67° then m∠ABC= 134

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Disclaimer

The question given is incomplete as the diagram is missing, so a similar question has been solved here.

Answer:

(X−6)(X+8)

Step-by-step explanation:

Step-by-step explanation:

1. Draw x y plane

2. Identify where x = -5, 1, 7 on x plane

3. Identify where y = 3, 1, -1 on y plane

4. Mark the intersection point

5. Draw the line

a.) Expression for the amount of money is 75+18n

b.) money spend in 12 months is $291

From the question, we have

Buy a network router for $75.00. The fee for internet service is $18.00 per month.

a.) Expression for the amount of money (y) is,

y = 75+18n

b.) money spend in 12 months = 75+18*12

= $291

Addition:

The phrase "the addition" refers to the combining of two or more integers. Three is written as three plus three since the plus sign (+) signifies the sum of two integers. The frequency with which the plus symbol (+) is used is likewise under your control. for example, 3 + 3 + 3 + 3. The teaching of addition in math to children is crucial. In primary school, students learn fundamental addition sums, such as one-digit facts, math addition sums, and double-digit arithmetic addition sums. One of the most fundamental and exciting Math concepts for primary school children is sums in addition. Because math is a fascinating subject, children begin learning basic mathematical concepts like adding numbers in their early years.

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All the steps given are take to ensure fairness when collecting data.

What is data analysts?

A data analyst examines data to find significant customer insights and potential uses for the information. They also advise the company's management and other stakeholders of this information.

You need excellent quantitative and analytical skills to succeed as a data analyst.

To answer problems logically, you must be able to pay attention to detail. Additionally, you must be able to articulate your conclusions clearly to people who will base choices on them.

Therefore, all the steps given are take to ensure fairness when collecting data.

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Answer:

Step-by-step explanation:

You wire be able to put out

month, for 25 years.

$2307.94 each

The equation in slope-intercept form of line k is y = - x + 5.

What is the equation of the line?

A straight line's general equation is y = mx + c, where m denotes the gradient and y = c denotes the point at which the line crosses the y-axis. On the y-axis, this value c is referred to as the intercept.

The equation of a line in slope- intercept form is

y = mx + c

where,

   m is the slope and c the y- intercept.

We have,

y = x - 3

∴  It is in the slope intercept form.

with slope m = 1

Given a line with slope m then the slope of a line perpendicular to it is

[tex]m_{perpendicular} = -\frac{1}{m} = -\frac{1}{1} = -1[/tex] ,

The partial equation of line j is,

y = - x + c

By substituting (2, 0) into the partial equation we get, c

0 = - 2 + c

c = 0 + 2 = 2

∴ c = 2

The equation of line j is y = - x + 2.

Similarly,

The slopes of parallel lines are the same.

The partial equation of line k is,

∴ y = - x + c

By substituting (- 1, 6) into the partial equation we get, c

6 = 1 + c

c = 6 - 1 = 5

∴ c = 5

The equation of line k is y = - x + 5.

Therefore, the equation in slope-intercept form of line k is y = - x + 5.

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The equation, 3·x - 13 = 7·(x + 2) - 4·(x - 7), has no solution

An equation can have no solution, infinitely many solutions or one solution

The equation is; 3·x - 13 = 7·(x + 2) - 4·(x - 7)

Expanding the left and right expressions of the equation, gives;

3·x - 13 = 7·x + 7×2 - 4·x + 4 × 7

Collecting like terms gives;

3·x - 13 = 7·x + 14 - 4·x + 28 = 7·x - 4·x + 14 + 28

3·x - 13 = 7·x - 4·x + 14 + 28 = 3·x + 42

3·x - 13 = 3·x + 42

3·x - 13 + 13 = 3·x + 42 + 13 = 3·x + 55

3·x + 0 = 3·x + 55

3·x = 3·x + 55

3·x - 3·x = 55

3·x - 3·x = 0 = 55 (No solution for x)

Therefore, the value of x in the equation, 3·x - 13 = 7·(x + 2) - 4·(x - 7) has no solution as the left and right expressions are not the same

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5761.4 feet is the height of the mountain prior to construction

Given: 1.1h – 622.5 = 5,675

This is an algebraic equation, we need to solve for h

1.1h – 622.5 = 5675

collect like terms:

1.1h =  5675 + 622.5

Add like terms:

1.1h = 6337.5

Divide both sides by 1.1:

h = 6337.5/1.1

h = 5761.4 feet

Therefore,  the height of the mountain prior to construction is 5761.4 feet

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Answer:

-4

Step-by-step explanation:

m= y2-y1/x2-x1

m= 11-3/0-2

m= 8/-2

m= -4

Answer: The slope is -4

Step-by-step explanation: The general formula for calculating the slope is  [tex]\frac{y2-y1}{x2-x1}[/tex].

x1 = 2, y1 = 3, x2 = 0, y2 = 11

So we have [tex]\frac{11-3}{0-2}[/tex] = [tex]\frac{8}{-2}[/tex] = -4.

If she uses 32 spacers, plus 7 beads per inch of necklace length. The equation to find how many beads Li has" will be,y=32+7x

It is defined as the relation between two variables, if we plot the graph of the linear equation we will get a straight line.

If in the linear equation, one variable is present, then the equation is known as the linear equation in one variable. A linear equation has the form y = mx + b in the slope-intercept format

It is given that, for each necklace, she uses 32 spacers, plus 7 beads per inch of necklace length.

If x is the length in inches, of the necklace. The equation to find how many beads Li has" will be,

y=32+7x

Thus, if she uses 32 spacers, plus 7 beads per inch of necklace length. The equation to find how many beads Li has" will be,y=32+7x.

The question is incomplete. The complete question is"Li is making beaded necklaces. For each necklace, she uses 32 spacers, plus 7 beads per inch of necklace length. Where is x the length in inches, of the necklace? Write an equation to find how many beads Li has"

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The remainder when the polynomial  P(x)=x3-x2-2x+8 is divided by (x+2) is 0

Remainder Theorem

From the definition of remainder theorem which stated that , if a polynomial f(x) is divided by a binomial (x−a), then the remainder is f(a)

Using the remainder theorem, P(x)=x3-x2-2x+8 is divided by (x+2).

binominal (x-a)

Step 1: We divide  p(x) by (x + 2)            

P(x)=x3-x2-2x+8  and X = -2

therefore, Remainder = p(-2)

Step 2: Substitute the value of the remainder into p(x)

P(-2) =[tex](-2)^{3}[/tex] -( [tex]-2^{2}[/tex] ) - 2([tex]-2[/tex]) + 8

P(-2) = -8 - 4  + 4 + 8

P(-2) = -12+12

P(-2) =0

Therefore, from the remainder theorem, the remainder when P(x) is divided by (x+2) is 0

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Step-by-step explanation:

you can see that answer directly at x = 0. because y is then exactly the missing "?".

and that is 4.

so,

? = 4