please need help with this ASAP

Using inequality, we know that the maximum number of students that can visit the amusement park is 30.

So, inequality represents the maximum number of students who can go to the amusement park:

Rounding off: x ≤ 30

Therefore, using inequality, we know that the maximum number of students that can visit the amusement park is 30.

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Solution

We want to solve

Given:

The given inequalities are:

Solving first inequality, we get:

Solving the second inequality, we get:

Merging the solutions of both inequalities, we get:

So, the graph will be a number line with an open circle at 2 and a closed circle on 6 and shading in between.

Therefore,

Option A is correct.

Given that:

- The product of the ages (in days) of babies Simran and Jessie in two days

will be 48 more than the product of their ages today.

- Jessie is 2 days older than Simran.

Let be "j" Jessie's age (in days) and "s" Simran's age (in days).

You can set up the following System of Equations using the data given in the exercise:

You can use the Substitution Method to solve the system:

1. Substitute the second equation into the first one:

2. Solve for "s":

3. Substitute "s" into the second original equation and evaluate:

Hence, the answer is: Jessie is 12 days old and Simran is 10 days old.

Answer:

Stratified

Explanation:

In Stratified Sampling, members of the population are divided into subgroups before a random sample of each group is taken.

Therefore in the case of the clinical trial presented, the sampling method used is stratified.

Answer:

You need 21 ounces of cheese for 3 pizzas.

Step-by-step explanation:

If you use 14oz for 2 pizzas, then if you divide it by 2, you have 7oz for 1 pizza.

Now multiply by 3 to get 21oz for 3 pizzas.

Solution

Given the equation 2x+5y=1

We are required to Identify the slope and y intercept

The general equation of a straight line is in the form y = mx + c

Where m = slope and c= y-intercept

To solve the problem before us, we need to re-write 2x+5y=1 in the form y = mx + c

Thus, the slope = -2/5 while the y-intercept is 1/5

Answer:

w = 4

Step-by-step explanation:

[tex]\frac{w}{2}[/tex] + 3 = 5 ( subtract 3 from both sides )

[tex]\frac{w}{2}[/tex] = 2 ( multiply both sides by 2 to clear the fraction )

w = 4

A Voronoi diagram is a division of a plane into areas near each of a given set of objects in mathematics. These things are just infinitely many points in the plane in the simplest scenario (called seeds, sites, or generators). There is a region, known as a Voronoi cell, for each seed that is made up of all points in the plane that are closer to that seed than to any other point. A set of points' Voronoi diagram and Delaunay triangulation are identical.

We are aware that any intersection of half-planes results in a convex region bordered by a collection of linked line segments. Voronoi edges are the line segments that define the limits of Voronoi regions. These edges' termini are known as Voronoi vertices.

Voronoi diagram:

A Voronoi diagram in mathematics is a division of a plane into areas near to each of a given set of objects. These things are simply infinitely many plane points in the most basic scenario (called seeds, sites, or generators).

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The value of sin Y is 4/5. The correct option is B) 4/5

From the question, we are to determine the value of sin Y.

From the given information, we have that

sin X = 3/5

and

cos X = 4/5

Also,

We have that angle X and angle Y are complementary angles.

That is,

X + Y = 90°

From the Trigonometric ratios of complementary angles, we have that

sin Y = cos (90° - Y)

From X + Y = 90°

X = 90° - Y

Therefore,

sin Y = cos X

From the given information,

cos X = 4/5

Hence, sin Y = 4/5

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A linear equation for the trend line in this scatter plot is y = 4x/3 - 5/3.

In order to determine a linear equation for the trend line (line of best fit) that models the data points contained in the scatter plot, we would have to determine its slope by using the points that trend line passes through.

Mathematically, the slope of a straight line can be calculated by using this formula;

Slope, m = (Change in y-axis, Δy)/(Change in x-axis, Δx)

Slope, m = (y₂ - y₁)/(x₂ - x₁)

Based on the information provided in the scatter plot, the trend line passes through the following points:

Substituting the given points into the formula, we have;

Slope, m = (9 - 5)/(8 - 5)

Slope, m = 4/3

At point (5, 5), a linear equation for the line can be calculated by using the point-slope form:

y - y₁ = m(x - x₁)

Where:

Substituting the given points into the formula, we have;

y - y₁ = m(x - x₁)

y - 5 = 4/3(x - 5)

y - 5 = 4x/3 - 20/3

y = 4x/3 - 20/3 + 5

y = 4x/3 - 5/3

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Answer:

Gary worked 41 and a half hours

Step-by-step explanation:

$310.42 divided by $7.48 per hour = 41.5 hours

Answer:

The answer is 12.

Step-by-step explanation:

First you need to draw a right triangle. Then the shortest side of the triangle is 5 and the longest is 13 so you would have to do a^2 + b^2 = c^2. So the problem would look like this 5^2 + b^2 = 13^2. 5 x 5= 25 and 13 x 13= 169. Now the problem looks like this 25 + b^2 = 169, since you can't do 25 + b you would have to bring it to the other side. Afterwards the problem should look like this b^2 = 144. Now you would have to square the b and 144 so the answer is 12. Sorry for spelling and grammar mistakes. Hoped this helped!

Answer:

15

Step-by-step explanation

Answer:

Yes, an absolute value can never be false. So, the answer is true.

Answer:

50÷6=8 R2

Step-by-step explanation:

                       8  

              6  ⟌50        R2

                     - 0    

                 -------------  

                       50  

                      -48  

                 --------------  

                          2  

So, Miranda will have $8 left to buy.

The length of the base and the height of the triangle are 7.7 feet and 15.7 feet

From the question, we have the following parameters that can be used in our computation:

Base = 8 feet more than twice the height

Area = 60

This means that

b = 8 + h

A = 60

The area of a triangle is

A = 0.5bh

So, we have

0.5(8 + h)h = 60

This gives

4h + 0.5h² = 60

Rewrite as

0.5h² + 4h - 60 = 0

Using a calculator, we have

h = 7.7

Recall that

b = 8 + h

So, we have

b = 8 + 7.7

Evaluate

b = 15.7

Hence, the base is 15.7 feet

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Answer:

third expression

Step-by-step explanation:

the surface area (SA) is the area of the 6 faces.

Note that opposite faces are congruent.

the surface area is the the area of each face multiplied by 2 , since they are congruent.

SA = 2(front area ) + 2(side area ) + 2(area of base)

   = 2(5 × 7 ) + 2(4 × 7 ) + 2(4 × 5 ) ← third option

  = 2(35) + 2(28) + 2(20)

 = 70 + 56 + 40

= 166 cm²

The display that would represent the data in the best way that lower quartile, median, and upper quartile would be highlighted would be box ploy. That is option B.

Box plot which is also called box and whisker plot is a type of graphical representation that is used to represent the five number summary of a data set that include the following:

Therefore, among the listed displays, the graphical representation method that can best be used is the box plot.

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Answer:

B - Box Plot

Step-by-step explanation:

I took the test :)

Answer:

11.50 per hour

Step-by-step explanation:

Y = 92

8 = Mx

Y = mx

92 = m(8)

m = 11.50 per hour

Part 1

'x more than 7' written as an algebraic expression is:

= 7 + x

Part 2

Let the number be n

Therefore, 'a number less 35' written as an algebraic expression:

=n - 35

Part 3

Let the number be y

'5 times a number' written as an algebraic expression:

=5 x y = 5y

Part 4

Let the number be x.

Part 5

The table of values for the function y = -4x.

The table is attached below-

Hence, the values for the function is giiven below

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Answer:

i think it is 61

correct me if im wrong

Answer:

a2 + b2 = (a + b)2 -2ab.

Step-by-step explanation:

Your Welcome:)

- 2ab

Answer: Width = 4.7 meters, Length = 6.7 meters

Step-by-step explanation:

Let the width be [tex]w[/tex]. It follows that the length is [tex]w+2[/tex].

[tex]w(w+2)=32\\\\w^2+ 2w-32=0\\\\w=\frac{-2 \pm \sqrt{2^2 -4(1)(-32)}}{2(1)}\\\\w \approx 4.7 \text{ } (w > 0)\\\\\implies w+2 \approx 6.7[/tex]

The factor the binomial

Find the square root of a and the square root of b, then put them as the product of the sum and difference of these square roots

We will use this rule to factor in the given expression

Find the square root for each term

Write the two factors

The answer is the last choice (6x + 7)(6x - 7)

Answer:

a)4080 trees

b)104 trees

Step-by-step explanation:

1st - 24 trees

last (40th) - 180 trees

If differences between any row (except 40th) and next row are equal then

2nd - 24 trees+X

3rd - (2nd+X) or 24 trees + 2X

coefficient of X is number of row minus 1, therefore 40th row has 24 trees + 39X, and it is equal to 180. We can make an equation from this:

24tr+39X=180tr

39X=156tr

X=4tr

By this we can find how many trees are there in the 21st, 21st row has 24 trees+20X=24 trees+80 trees=104 trees

To find how many trees are there in the whole orchard, we add them all:

1st - 24 trees, 2nd - 24 trees + X, 3rd - 24 trees + 2X,

easily, it is just 24 trees x 40 + 39X x 20 = 4080 trees

Answer:

(a) 4,080 trees

(b) 104 trees

Step-by-step explanation:

If the first row has 24 trees and the fortieth row has 180 trees, how many additional trees are in each succeeding row?

[tex](40-1)x=180-24[/tex]

[tex]39x=156[/tex]

[tex]x=4[/tex]

That means that each row has 4 more trees than the preceding row. For example, the second row has 28 trees, the third row has 32 trees, and so on. We can write a formula to tell us how many trees are in any given row:

[tex]n=4(r-1)+24[/tex]

where [tex]r[/tex] is the row number between 1 and 40.

(a) 24 + 28 + 32 + 36 + 40 + 44 + 48 + 52 + 56 + 60 + 64 + 68 + 72 + 76 + 80 + 84 + 88 + 92 + 96 + 100 + 104 + 108 + 112 + 116 + 120 + 124 + 128 + 132 + 136 + 140 + 144 + 148 + 152 + 156 + 160 + 164 + 168 + 172 + 176 + 180 = 4,080

(b) Using our formula above:

[tex]n=4(21-1)+24[/tex]

[tex]n=4(20)+24[/tex]

[tex]n=80+24[/tex]

[tex]n=104[/tex]

Answer: 9.7 seconds

Step-by-step explanation:

[tex]16t^2=1503\\\\t^2 =\frac{1503}{16}\\\\t=\sqrt{1503/16} \text{ } (t > 0)\\\\t \approx 9.7[/tex]

1) You have the following expressions for angles ∠1 and ∠3

m∠1 = 15x - 5

m∠3 = 10x + 35

In order to find the value of x, you consider that angle ∠1 and ∠3 are congruent, that is, they are equal. Then, you equal the algebraic expressions and solve for x, just as follow:

15x - 5 = 10x + 35 subtract 10x bith sides, add 5 both sides

15x - 10x = 35 + 5 simplify similar terms

5x = 40 divide between 5 both sides

x = 40/5

x = 8

Hence, x = 8, and the values of the angles are:

m∠1 = 15x - 5 = 15(8) - 5 = 115

m∠3 = 10x + 35 = 10(8) + 35 = 115

2) To find the measure of the angle ∠2 you consider that the sum of angles ∠1 and ∠2 is equal to 180°. Thus, you obtain:

m∠1 + m∠2 = 180°

m∠2 = 180 - m∠1 = 180 - 115 = 65

Hence, the measure of angle m∠2 = 65°

The vertex form of a quadratic function is:

The standard form of a quadratic function is:

We can do the following steps to solve the exercise.

Step 1: We replace the values of h,k, x, and y into the vertex form of a quadratic equation, and we solve for a.

Step 2: We replace the values of a,h, and k into the vertex form of a quadratic equation.

Step 3: We expand the expression inside the parentheses and combine like terms to convert the function into its standard form.

The equation of the graph in standard form is:

Given the line in point slope form:

y + 1 = 3(x - 2)

Let's rewrite the equation in slope intercept form.

Using the point slope form:

y - y1 = m(x - x1)

Thus, we have the following:

x1 = -2

y1 = 1

slope, m = 3

To write in slope intercept form, all you have to do is to isolate the y.

Thus,

y + 1 = 3(x - 2)

Expand the parenthesis:

y + 1 = 3x - 6

Subtract 1 from both sides:

y + 1 - 1 = 3x - 6 - 1

y = 3x - 6 - 1

y = 3x - 7

Therefore, the equation in slope intercept form is:

y = 3x - 7

ANSWER:

y = 3x - 7

Answer:

Step-by-step explanation:

1 Divide both sides by -3−3.

-\frac{y+1}{3}=x-2

−

3

y+1

​

=x−2

2 Add 22 to both sides.

-\frac{y+1}{3}+2=x

−

3

y+1

​

+2=x

3 Regroup terms.

2-\frac{y+1}{3}=x

2−

3

y+1

​

=x

4 Switch sides.

x=2-\frac{y+1}{3}

x=2−

3

y+1

​

Answer: b

Step-by-step explanation:

Answer: 5

Step-by-step explanation:

you have to divide it so 7 1/2 ÷ 1 1/2

15/2 × 3/2 then you swap the 3/2 to 2/3 so it will be 15/2 × 2/3 you don't have to cross multiplication so you just multiply across so it would be 15×3=30 and then 2×3=6 so it would be 30/6 but that's not the final answer because it and improper fractions so you divide 30÷6=5 and that's how you get 5