Help me
Im really really really struggling in math

Answer:

Bases

Step-by-step explanation:

Answer:

B

Step-by-step explanation:

step by step you will learn

Step-by-step explanation:

factors of 14: 1, 14, 2, 7

factors of 22: 1, 22, 2, 11

factors of 30: 1, 30, 2, 15, 3, 10, 5, 6

factors of 25: 1, 25, 5, 5

Answer:

Factors 14 : 1, 14, 2, 7
Factors 22 : 1, 22, 2, 11
Factors 30 : 1, 30, 2, 15, 3, 10, 5, 6
Factors 25 : 1, 25, 5

Therefore , the solution of the given problem of function comes out to be the ball can  reach a height of 74 feet, to the closest foot.

The study of mathematics includes topics such as numbers, symbols, and their component components, as well as anatomy, building, and that both true and fictitious geographic locations. A function describes the relationships between different components that all lead to the same result. A function is made up of several variable  distinct components that, when placed together, produce specific outputs for every input.

Here,

The starting height (h0) is 4 feet, and the initial speed (v0) is 75 feet per second.

The ball's vertical movement is modelled by the formula h(t) = 16t2 + v0t + h0.

When we change the numbers, we obtain:

h(t) = −16t2 + 75t + 4

The vertex of the parabolic function marks the height of the spheroid at its greatest height.

The vertex's t-value is determined by:

t = −v0/2a

where a represents the t2 component in the h-function (t).

When we change the numbers, we obtain:

t = −75/(2(−16)) = 2.34375

2.34375 seconds pass after the ball is thrown before it hits its highest point.

Given is the utmost height:

h(2.34375) = −16(2.34375) (2.34375)

2 + 75(2.34375) + 4 = 74 feet

The ball can therefore reach a height of 74 feet, to the closest foot.

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Answer:

[tex] \tan G = \dfrac{3\sqrt{6}}{2} [/tex]

Step-by-step explanation:

tan G = opp/adj

[tex] \tan G = \dfrac{\sqrt{54}}{2} [/tex]

[tex] \tan G = \dfrac{\sqrt{9 \times 6}}{2} [/tex]

[tex] \tan G = \dfrac{3\sqrt{6}}{2} [/tex]

Answer:

[tex]3[/tex]×[tex]5[/tex][tex]=15[/tex]

[tex]15+1=16[/tex]

In response to the query, we have that Hence, the following are the answers to this equation: 5x - 2 = 0 or x - 1 = 0 Thus, x = 2/5 or x = 1.

A quadratic equation in a single variable is x ax2+bx+c=0, a form of quadratic equation. a 0. The fact that this polynomial is of second sample guarantees that it comprises at least one solution according to the Basic Theorem of Algebra. Solutions might be straightforward or difficult. A quadratic equation is one that has four variables. This suggests that at least single word in it has to be rounded. The formula "ax2 + bx + c = 0" constitutes one of the widely used solutions for complex numbers. where the undefined variable "X" is represented by the numerical values or constants a, b, and c.

2x² - 9x - 18 = 0

Secondly, we must identify two integers whose total is -9 and whose product is 2(-18)=-36. These are the numbers -12 and +3. Hence, we may say:

2x² - 9x - 18 = (2x + 3)(x - 6) = 0

Hence, the following are the answers to this equation:

2x + 3 = 0 or x - 6 = 0

Thus, x = -3/2 or 6.

8x² + 2x - 3 = 0

8x² + 2x - 3 = (4x - 3) (4x - 3)

(2x + 1) = 0

Hence, the following are the answers to this equation:

4x - 3 = 0 or 2x + 1 = 0

Thus, either x = 3/4 or x = -1/2.

5x² - 11x + 2 = 0

5x² - 11x + 2 = (5x - 2)(x - 1) = 0

Hence, the following are the answers to this equation:

5x - 2 = 0 or x - 1 = 0

Thus, x = 2/5 or x = 1.

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Answer:

The practical domain of the function is the set of integers from 0 to 8, inclusive, which is option B.

Step-by-step explanation:

The practical domain of the function is limited by the given constraints: Joe can purchase up to 8 boxes of hot dogs, and he cannot purchase partial boxes. Therefore, the number of boxes he can purchase is a whole number between 0 and 8, inclusive.

Substituting the values from 0 to 8 into the function, we get:

f(0) = 48(0) + 20 = 20

f(1) = 48(1) + 20 = 68

f(2) = 48(2) + 20 = 116

f(3) = 48(3) + 20 = 164

f(4) = 48(4) + 20 = 212

f(5) = 48(5) + 20 = 260

f(6) = 48(6) + 20 = 308

f(7) = 48(7) + 20 = 356

f(8) = 48(8) + 20 = 404

Therefore, the practical domain of the function is the set of integers from 0 to 8, inclusive, which is option B.

Answer:

C) x < 19

Step-by-step explanation:

It is an open circle pointing in the negative direction starting at 19.

Answer:

20=2g

g=10

20/2=10

g=10

The quadratic functiοn in standard fοrm that wοuld represent the data in the table is y = 2x² + x - 9.

A quadratic functiοn is a type οf pοlynοmial functiοn that can be written in the fοrm οf f(x) = ax² + bx + c, where a, b, and c are cοnstants, and x is an unknοwn variable. The graph οf a quadratic functiοn is a parabοla, and the rοοts οf the equatiοn (the x-intercepts) are the pοints where the parabοla crοsses the x-axis. Quadratic functiοns are used tο mοdel a variety οf natural phenοmena, such as the trajectοry οf a prοjectile οr the grοwth οf a pοpulatiοn οver time.

This can be determined by putting the given values intο the standard fοrm equatiοn: y = ax²  + bx + c  and sοlving fοr a, b and c.

When x = 2, y = 3. Therefοre, 3 = 2a + b - 9, which gives b = 11.

When x = 4, y = 1. Therefοre, 1 = 8a + 11 - 9, which gives a = -1/4.

When x = 6, y = 3. Therefοre, 3 = 18a - 1/4 + 11 - 9, which gives c = -5/4.

The quadratic equatiοn in standard fοrm, y = 2x²  + x - 9, can then be written using the values οf a, b and c fοund.

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Answer:

-csc^2 θ = dθ/dt = 1/5 (dx/dt)

or

3.49 km/min

Step-by-step explanation:

dx/dt

- 5cosec^2 θ * (rate of change of angle of elevation)

- 5 cosec^2 (π/3) * (-π/6)

(5π/6) * (4/3)

= 10π/9 km/min. = 3.49 km/min

Answer: To find how much greater the beetle's length is than its width, we need to subtract the width from the length:

Length - Width

Substituting the given values, we get:

2/5 inch - 1/5 inch

Simplifying the expression by finding the common denominator of 5, we get:

(2/5 - 1/5) inch

= 1/5 inch

Therefore, the beetle's length is 1/5 inch greater than its width.

Step-by-step explanation:

========================================================

Work Shown:

The notation f(-1) = 30 tells us that (x,y) = (-1,30) is a point on the exponential curve.

Plug in x = -1 and y = 30 and solve for 'a'

y = a*b^x

30 = a*b^(-1)

30 = a*(1/b^1)

30 = a/b

a = 30b

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

Now plug that into the equation to get

y = a*b^x

y = 30b*b^x

y = 30b^1*b^x

y = 30b^(1+x)

Afterward, plug in x = 4 and y = 85 to solve for b.

85 = 30b^(1+4)

85 = 30b^5

b^5 = 85/30

b = (85/30)^(1/5)

b = 1.23157122757057

We can then determine the value of 'a'

a = 30b

a = 30*1.23157122757057

a = 36.947136827117

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

To summarize,

both of which are approximate.

Since we want f(3) to the nearest hundredth, we don't really need to go too overboard with precision. Let's round 'a' and b to 4 decimal places.

We then get

This means

y = a*b^x

turns into

y = 36.9471*(1.2316)^x

As a check, plug in x = -1 to get y = 29.999269; we'll have rounding error since we rounded those 'a' and b values earlier. But when rounding 29.999269 to the nearest hundredth, we get y = 30.

Also, plug x = 4 into the equation to get y = 85.00785875 which rounds to 85.

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

The last step is to plug x = 3 into the equation

y = 36.9471*(1.2316)^x

y = 36.9471*(1.2316)^3

y = 69.0222951885528

y = 69.02 which is the final answer

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

If you were to use those more accurate values of 'a' and b, then x = 3 would lead to y = 69.0175266335801; that rounds to 69.02 when rounding to the nearest hundredth (aka 2 decimal places). So this shows we can stick with the less accurate 'a' and b values while still getting the correct final answer.

GeoGebra and Desmos are great tools to help quickly verify the answer.

Answer:

f(3) = 69.02  (nearest hundredth)

Step-by-step explanation:

An exponential function is used to calculate the exponential growth or decay of a given set of data.  In an exponential function, the variable is the exponent.

[tex]\boxed{\begin{minipage}{9 cm}\underline{General form of an Exponential Function}\\\\$y=ab^x$\\\\where:\\\phantom{ww}$\bullet$ $a$ is the initial value ($y$-intercept). \\ \phantom{ww}$\bullet$ $b$ is the base (growth/decay factor) in decimal form.\\\end{minipage}}[/tex]

Given:

Substitute these values into the general form of an exponential function to create two equations in terms of a and b:

[tex]\begin{aligned}\implies f(-1)&=30\\ab^{-1}&=30\end{aligned}[/tex]

[tex]\begin{aligned}\implies f(4)&=85\\ab^{4}&=85\end{aligned}[/tex]

Divide the second equation by the first equation to eliminate a:

[tex]\begin{aligned}\implies \dfrac{ab^4}{ab^{-1}}&=\dfrac{85}{30}\\\\\dfrac{b^4}{b^{-1}}&=\dfrac{85}{30}\\\\\end{aligned}[/tex]

Solve for b:

[tex]\begin{aligned}\implies \dfrac{b^4}{b^{-1}}&=\dfrac{85}{30}\\\\b^{4-(-1)}&=\dfrac{17}{6}\\\\b^{5}&=\dfrac{17}{6}\\\\b&=\sqrt[5]{\dfrac{17}{6}}\end{aligned}[/tex]

Substitute the found value of b into ab⁴ = 85:

[tex]\implies a\left(\sqrt[5]{\dfrac{17}{6}}\right)^4=85[/tex]

Solve for a:

[tex]\implies a=\dfrac{85}{\left(\sqrt[5]{\dfrac{17}{6}}\right)^4}[/tex]

[tex]\implies a=\dfrac{85}{\sqrt[5]{\dfrac{17^4}{6^4}}}[/tex]

[tex]\implies a=\dfrac{85}{\sqrt[5]{\dfrac{83521}{1296}}}[/tex]

Substitute the found values of a and b into the exponential function formula to create an exponential equation for the given parameters:

[tex]f(x)=\left(\dfrac{85}{\sqrt[5]{\dfrac{83521}{1296}}}\right)\cdot \left(\sqrt[5]{\dfrac{17}{6}}\right)^x[/tex]

To find the value of f(3), substitute x = 3 into the equation:

[tex]\begin{aligned}\implies f(3)&=\left(\dfrac{85}{\sqrt[5]{\dfrac{83521}{1296}}}\right)\cdot \left(\sqrt[5]{\dfrac{17}{6}}\right)^3\\\\&=69.0175266...\\\\&=69.02\; \;\sf (nearest\;hundredth)\end{aligned}[/tex]

Therefore, the value of f(3) to the nearest hundredth is 69.02.

Answer: To complete the recursive formula for g(n) = -50 - 15n, we need to find an expression for g(n) in terms of previous terms of the sequence.

One way to do this is to notice that g(n) can be obtained by subtracting 15 from the previous term, g(n-1):

g(n) = -50 - 15n

= -50 - 15(n-1) - 15 (adding and subtracting 15)

= g(n-1) - 15

Therefore, the recursive formula for g(n) is:

g(0) = -50 (base case)

g(n) = g(n-1) - 15 (recursive step)

This means that to find g(n), we need to first find g(n-1) and then subtract 15 from it. We can use this recursive formula to generate any term in the sequence of g(n).

Step-by-step explanation:

A spinner which can be use to simulate this probability is shown in figure.

The term probability refers to the likelihood of an event occurring. Probability means possibility. It is a branch of mathematics that deals with the occurrence of a random event. The value is expressed from zero to one.

Given that;

The weather forecast says there is a 75% chance it will rain later today.

Now, We can simplify the number is,

⇒ 75%

⇒ 75/100

⇒ 3/4

Thus, We can draw A spinner which can be use to simulate this probability as shown in figure.

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Answer:

Step-by-step explanation:

40-20 =20 then times 3 which is 60.

The only solution to the system of inequalities y < −x+5 and y ≥ 3x+1 is (1,3).

In mathematics, an inequality is a relation which makes a non-equal comparison between two numbers or other mathematical expressions.

For the inequality y < -x + 5, any point below the line y = -x + 5 will satisfy the inequality. For the inequality y ≥ 3x + 1, any point on or above the line y = 3x + 1 will satisfy the inequality.

To find the solutions that satisfy both inequalities, we can shade the region that is below the line y = -x + 5 and also on or above the line y = 3x + 1. This region is the shaded triangle bounded by the lines y = -x + 5, y = 3x + 1, and the x-axis.

Therefore, the solutions to the system of inequalities are the points in this shaded triangle. To check which options are solutions, we can substitute the values of x and y given in each option into both inequalities and check if they satisfy both.

Hence, the only solution is (1,3).

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Complete question:

Which of the following are solutions to the system of inequalities y < −x+5 and y ≥ 3x+1?

Select all that apply.

a. (0,2)

b. (1,3)

c. (2,1)

d. (3,6)

Answer:

Step-by-step explanation:

The formula for Sn of a geometric series with first term a and common ratio r is:

Sn = a((1-r^n)/(1-r))

In this case, the first term a is $1,000, the common ratio r is 1.02 (since she's depositing 2% more each year), and n is 30 (since we're looking for the amount deposited after 30 years).

Plugging in these values, we get:

Sn = 1000((1-1.02^30)/(1-1.02))

Sn ≈ $87,453

Therefore, the answer is D. $87,453.

The equation which represents a proportional relationship from the given set of equations is y = 4x.

What is meant by a proportional relationship?

Relationships between two variables that are proportional occur when their ratios are equal. Another way to consider them is that in a proportional relationship, one variable is consistently equal to the other's constant value. y= k x, where k is the proportionality constant, is the equation that depicts a directly proportional relationship, or a line. y = k(1/x) or xy = k, where k is the proportionality constant, is the equation that depicts an indirectly proportional relationship, or a line. One can argue that two variables are in a proportional relationship if one variable is always equal to a constant multiplied by the other variable.

So according to the above explanation, we can say that the equation y = 4x is an example of a proportional relationship.

This is because the ratio y/x is always a constant 4.

Therefore the equation which represents a proportional relationship is y = 4x.

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We can see that the scale factor is 0.5, which means that the image got smaller, and that the values are:

b' = 4

c = 14.

If k is the scale factor applied, all the sides are modified by the same scale factor, so we know that:

a' = k*a

Here we know that:

a =  6

a' = 3

Then:

3 = k*6

3/6 = k

1/2 = k

now.

If b = 8, then:

b' = (1/2)*8 = 4

if c' = 7, then:

7 = (1/2)*c

2*7 = c

14 = c

Finally, the scale factor is smaller than 1, then the image got smaller, and the scale factor is 1/2 = 0.5

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Answer:

2 ( 10 + 3 )

Step-by-step explanation:

Answer:

The 2nd graph

Step-by-step explanation:

We know

The solution is (0,5)

Looking at the options, we only see graph 2 has two lines intersecting at the solution point (0,5). So, the answer is graph 2.

Answer:

Step-by-step explanation:

So your slope intercept is on the y line to you will go to your y line and find the -7

Once you find your -7 you rise 1 and run 4 which mean go up by 1 and right by 4

Hope this helps!!

Answer:

[tex]x[/tex] = 100 , [tex]y[/tex] = 100 , [tex]z[/tex] = 80

Step-by-step explanation:

Information we need to know:

Opposite angles in a rhombus are equal

Angles in a quadrilateral equal to 360

1) Find any angles that we can

We already know that opposite angles are 80. This means that we can easily see that [tex]z[/tex] is 80.

The total we have at the moment is 160

2) Find the remaining angles

If we know that all angles in a quad add up to 360, we can easily find [tex]x[/tex] and [tex]y[/tex] by taking 160 from 360 and the dividing by 2!

TOP TIP:

To make sure our answer is correct we can add all our answers up and check that they add up to 360

Our answer is correct!

Hope this helps, have a great day! :)

Answer:

x = 100

y = 100

z = 80

Step-by-step explanation:

The properties of a rhombus are:

Two angles are said to be adjacent when they share a common vertex.

Therefore, both angle x and angle y are adjacent to the angle that measures 80°.

Since adjacent angles in a rhombus are supplementary:

⇒ x° + 80° = 180°

⇒ x° = 100°

⇒ x = 100

Similarly:

⇒ y° + 80° = 180°

⇒ y° = 100°

⇒ y = 100

As opposite angles in a rhombus are equal:

⇒ z° = 80°

⇒ z = 80