gym help

when doing any weighted exercises that involve using all or little of my body weight do i count my body weight and the added weight as my “actual weight lifted”? for example i weigh 150lbs and let’s say i did a single rep of weighted overhand chin ups with a single 20lbs weight wrapped around me and i wanted to track how much “actual weight” i just lifted would i write down and track just the 20lbs or my body weight 150lbs plus the weight 20lbs?

The inverse function will be g(x) = (x + 3) / 5. Then the value of the function f(5) and g(3) will be 22 and 6/5.

Let the function will be

f: X → Y

Then the inverse function will be

f⁻¹: Y → X

The function is given below.

f(x) = 5x – 3

Then the value of the function f(x) at x = 5, will be

f(5) = 5 × 5 – 3

f(5) = 22

The g(x) is the inverse function of f(x).

Then the function g(x) will be

5g(x) – 3 = x

        g(x) = (x + 3) / 5

Then the value of function g(x) at x = 3, will be

g(3) = (3 + 3) / 5

g(3) = 6 / 5

The complete question is given below.

The function f(x) = 5x – 3. And the function g(x) is the inverse of f(x). Find the value of the function f(5) and g(3).

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Answer:

FEJ and JED

Step-by-step explanation:

Supplementary means that the pair of angles add up to 180° or a straight angle. FEJ and JED are both 90° and so they add up to 180° But there are many pairs of angles that are NOT 90° that add up to 180° (but they just weren't in the answer choices)

Using the continuity concept, it is found that the function is continuous at x = -3.

A function f(x) is continuous at x = a if it is defined at x = a, and:

[tex]\lim_{x \rightarrow a^-} f(x) = \lim_{x \rightarrow a^+} f(x) = f(a)[/tex]

These three values are equal for x = -3, hence the function is continuous at x = -3.

For the other options, the function is not continuous for the reasons given as follows:

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Answer:

[tex]\frac{7^{36}}{9^{24}}[/tex]

Step-by-step explanation:

Check the picture

For the given cost equation we have:

a) Fixed cost is $900.

b) For making 25 items the cost is $1150.

c) D: x ∈ [0, 150]

   R: c ∈ [900, 2400]

Here we know that the cost equation is:

c(x) = 10*x + 900.

First, we want to get the fixed cost, it is given by evaluating the function in x = 0.

c(0) = 10*0 + 900 = 900

The fixed cost is 900.

b) Now we want to get the cost for making 25 items, to get this, we just evaluate in x = 25.

c(25) = 10*25 + 900 = 250 + 900 = 1150

c) Now, if the maximum cost is 2400, then the maximum number of items that we can make is x₀, such that:

c( x₀) = 2400 = 10*x₀ + 900

Solving for x₀ we get:

x₀ = (2400 - 900)/10 = 150

Now we want to get the range and domain.

We know that we can make between 0 and 150 items, so the domain is:

D: x ∈ [0, 150]

For the range, we know that the fixed cost for 0 items is 900, and the maximum cost is 2400, then the range is:

R: c ∈ [900, 2400]

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Answer:

x=8 and y=3 (So, yes!)

Step-by-step explanation:

I will solve your system by substitution.

(You can also solve this system by elimination.)

−x+4y=4;−x+3y=1

Step: Solve −x+4y=4 for x:

−x+4y+−4y=4+−4y(Add -4y to both sides)

−x=−4y+4

-x/-1 = -4y+4/-1 (Divide both sides by -1)

x=4y−4

Step: Substitute 4y−4 for x in −x+3y=1:

−x+3y=1

−(4y−4)+3y=1

−y+4=1(Simplify both sides of the equation)

−y+4+−4=1+−4(Add -4 to both sides)

−y=−3

-y/-1 = -3/-1 (Divide both sides by -1)

y=3

Step: Substitute 3 for y in x=4y−4:

=4y−4

x=(4)(3)−4

x=8(Simplify both sides of the equation)

Answer:

x=8 and y=3

Answer:

D. Opposite angles in a parallelogram are supplementary.

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Answer:

C: 10

Step-by-step explanation:

Edge 2022

1) The equation of the parallel line in Slope Intercept Form is; y = -x - 1

2) The equation of the perpendicular line in Slope Intercept Form is;

y = ³/₂x - 4

1) When two lines are parallel, it means their slopes are the same.

Formula for equation in slope intercept form is;

y = mx + c

where;

m is slope

c is y-intercept

Thus, slope of y = -x + 1 is m = -1.

Equation of parallel line is;

(y - (-5))/(x - 4) = -1

y + 5 = -x + 4

y = -x - 1

2) When two lines are perpendicular, it means their slopes are the negative inverse of each other. Thus;

Slope of line = -2/3 and so slope of perpendicular line = 3/2. Thus, equation of new line is;

(y + 1)/(x - 2) = 3/2

2y + 2 = 3x - 6

2y = 3x - 8

y = ³/₂x - 4

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In the inequality models, the number of additional weeks is 1558+60x≥2158.

Given that the initial savings is $1558, the amount needed is $2158 and additional savings is $60 weekly.

Let the number of weeks be x.

So, she will save 60x in x weeks.

Total savings after x weeks is

Initial saving +60x       .......(1)

According to the question, she needs $1258 for repair.

So, that means the minimum requirement is 2158.

≥2158      ........(2)

Combine equations (1) and (2) and get

Initial savings +60x≥2158

As given that the initial savings is 1558.

Substitute this in above inequality and get

1558+60x≥2158

To find the number of weeks find value of x.

Subtract 1558 from either sides of the inequality.

1558+60x-1558≥2158-1558

60x≥600

Divide both sides with 60 as

60x÷60≥600÷60

x≥10

Hence, the inequality that models the number of additional weeks marie needs to continue saving to afford the home repairs is 1558+60x≥2158 and she needs to save $60 for at least 10 weeks.

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Answer:

4/5

Step-by-step explanation:

one and one third times as much sugar as chocolate chips

=> S + 1/3(S) = C

one and two thirds cups of sugar is used

=> S + 2/3(S) = ?

now criss cross the two:

S + 1/3(S) = C

S + 2/3(S) = ?

C×(S+2/3(S)) = S + 1/3(S)....find C

C = (S + 1/3(S)) / (S + 2/3(S))

= (3S + S / 3) / (3S + 2S/ 3)

= 3S + S / 3S + 2S

= 4S / 5S

= 4/5.

Answer:

s = 3 + (4d)

Step-by-step explanation:

s is the number of states, so we put a s and an equal sign. Then 3 is the number of days he started with, so we add that, and 4d is 4 states times the number of days.

The solution to the inequality is (7/6, ∝) and (-∝, 7/6)

The inequality expression is given as:

2−5|6x−4|<−13

Subtract 2 from both sides

|6x−4|<−15

Divide through by -5

|6x−4| > 3

Remove the inequality sign

6x - 4 > 3 or 6x - 4 < 3

Add 4 to both sides

6x > 7 or 6x < 7

Divide by 6

x > 7/6 or x < 7/6

In interval notation, we have:

(7/6, ∝) and (-∝, 7/6)

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Step-by-step explanation:

length = 2 × width

the perimeter of a rectangle is

2×length + 2×width

and it is 360 yards in our case

2×length + 2×width = 360

and then we use the first equation (2×width = length) in this second equation :

2×length + length = 360

3×length = 360

length = 360/3 = 120 yards

Answer:

12km

Step-by-step explanation:

Let unknown= x

40 km = 3 2/3 hrs

xkm = 1 hr

cross multiplying

x =44÷ 3 2/3

=12 km

Answer:

[tex]12(1 + x)[/tex]

Step-by-step explanation:

We will use order of operations to simplify this expression.

We will evaluate the brackets first.

3(5+7)-6(4-2x) =

[tex]3(12) - 6(4 - 2x) \\ = 36 - 6(4 - 2x) \\ = 36 - 24 + 12x \\ = 12 + 12x[/tex]

You can further simplify it by factorising it:

[tex]12 + 12x \\ = 12(1 + x)[/tex]

[tex]\huge\text{Hey there!}[/tex]

[tex]\mathsf{3(5 + 7) - 6(4 - 2x)}[/tex]

[tex]\mathsf{= 3(5) + 3(7) - 6(4) - 6(-2x)}[/tex]

[tex]\mathsf{= 15 + 21 - 24 + 12x}[/tex]

[tex]\mathsf{= 36 - 24 + 12x}[/tex]

[tex]\mathsf{= 12 + 12x}[/tex]
[tex]\mathsf{= 12x + 12}[/tex]

[tex]\huge\text{Therefore, your answer should be:\boxed{\mathsf{12x + 12}}}}\huge\checkmark[/tex]

[tex]\huge\text{Good luck on your assignment \& enjoy your day!}[/tex]

~[tex]\frak{Amphitrite1040:)}[/tex]

A line is a one-dimensional shape that is straight, has no thickness, and extends in both directions indefinitely. The equation for table 3 is y=(5/2)x-4.

A line is a one-dimensional shape that is straight, has no thickness, and extends in both directions indefinitely. The equation of a line is given by,

y =mx + c

where,

x is the coordinate of the x-axis,

y is the coordinate of the y-axis,

m is the slope of the line, and

c is y-intercept.

The slope for the tables,

Table 1.

m₁ = (3-1)/(5-2) = 2/3

m₂ = (43-31)/(20-17) = 12/3 = 4

Since the slope is different the relationship is not linear.

Table 2.

m₁ = (13-10)/(2-1) = 3/1

m₂ = (34-29)/(7-6) = 5/1

Since the slope is different the relationship is not linear.

Table 2.

m₁ = (6-1)/(4-2) = 5/2

m₂ = (31-26)/(14-12) = 5/2

Since the slope is the same the relationship is linear.

The equation for table 3 will,

y = (5/2)x + c

1 = (5/2)2 + c

1 = 5 + c

c = -4

Hence, the equation for table 3 is y=(5/2)x-4.

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Answer:

28%

Step-by-step explanation:

250÷ .28 = 180

.28 = 28%

From the given output the regression equation is

StopDist = ₋89.99 ₊5.7053(speed)

The slope of the regression equation is 5.7053

from the Excel output the 95% confidence interval for the slope of the regression line is (5.0809, 6.3296)

By the rejection rule ,reject the null hypothesis.

Given,

from the given output the regression equation is

StopDist = ₋89.99 ₊ 5.7053(speed)

Interpreting the slope of the regression line.

from the given output the regression equation the slope is 5.7053.

To find a 95% confidence interval for the slope of the regression line follow the excel procedure:

From the excel output the 95% confidence interval for the slope of the regression line is (50809, 6.3296).

State the hypothesis

Null hypothesis:

H₀ : β₁ ≠ 0

Alternative hypothesis:

Hₓ : β₁ ≠ 0

Reject rule:

If p value≤ α(=0.05), then reject the null hypothesis.

By the rejection rule, reject the null hypothesis (H₀)

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The probability of getting a total less than 4 is 1/12

In a roll of two dice, we have

Outcomes = 36

Sum less than 4 = 3

The probability is then calculated as:

P  = Sum less than 4/Outcomes

This gives

P = 3/36

Simplify

P = 1/12

Hence, the probability of getting a total less than 4 is 1/12

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Answer: 26.3 < 26.5

Step-by-step explanation:

On the number line, 26.3 lies to the left of 26.5, meaning that 26.3 is less than 26.5.

Polynomials are algebraic expressions whose standard form is defined below:

[tex]p(x) = \sum \limit_{i=0}^{n} c_{i}\cdot x^{i}[/tex]

The expression p(x) = - 13 represents a zeroeth polynomial.

Herein we must present what the form of polynomials are. Polynomials are algebraic expressions whose standard form is defined below:

[tex]p(x) = \sum \limit_{i=0}^{n} c_{i}\cdot x^{i}[/tex]     (1)

Where:

An example is the expression p(x) = - 13, real numbers can be define as zeroeth polynomials. In this regard, the example can be seen as:

p(x) = 0 · xⁿ + 0 · xⁿ⁻¹ + ... + 0 · x² + 0 · x - 13

The statement is incomplete. We decided to re-define the statement to what polynomials are.

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Answer:

za

Step-by-step explanation:

Answer:

Step-by-step explanation:

d = r/t

d = 40/40

d = 1 hour

Step-by-step explanation:

just think : what does 40 mph mean ?

it stands for

40 miles per hour

it means with that speed you will drive 40 miles in 1 hour.

20 miles in 1/2 hour.

80 miles in 2 hours and so on.

you always have to multiply both sides of the ratio with the same factor to keep the ratio itself unchanged.

so, as per the definition, it takes 1 hour to drive 40 miles when going 40 mph.

The radioactive isotope of phosphorus P-32 is used as a tracer in the liver. If 3.5 mg is left in a sample after 288 hrs then the initial amount of P-32 administered was 7 mg.

A radioactive isotope is a form of an element that has an unstable nucleus and undergoes radioactive decay, emitting radiation in the form of particles and/or energy.

These isotopes can be used for various purposes in medicine, industry, and research.

We can use the radioactive decay formula to solve this problem:

N = N0 * (1/2)^(t/T)

where:

- N is the final amount of P-32 remaining after 288 hours (3.5 mg)

- N0 is the initial amount of P-32

- t is the time elapsed (288 hours)

- T is the half-life of P-32 (14.3 days converted to hours is approximately 343.2 hours)

Substituting the given values into the formula, we get:

3.5 mg = N0 * (1/2)^(288/343.2)

Simplifying and solving for N0:

N0 = 3.5 mg / (1/2)^(288/343.2) = 7 mg

Therefore, the initial amount of P-32 administered was 7 mg.

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I believe the it would be 2x^2 + 6x + 20 = 0.

Answer:

12

Step-by-step explanation:

The Surface Area of the cone 12π cm².

In a right-angled triangle, the square of the hypotenuse side is equal to the sum of the squares of the other two sides, according to Pythagoras's Theorem. The theorem can be used to determine how steep mountains or slopes are. To calculate the distance between an observer and a location on the ground when the observer is looking down from a tower or structure. It is mostly utilized in the construction industry.

Given,  A cone with the height of 2√3 and the radius of base is 2 cm.

Since, Surface are of Cone = rlπ + B

Where l= slant height, and B = area of the base

In our case,

r = 2

B = π * r*r = π* 4

for slant height,

Slant makes a perfect right angle triangle with the center line thus,

from Pythagorean theorem,

l² = (2√3)² + 2²

l² = 12 + 4

l = 4 cm

Thus,

Surface area for the Cone = π * 2 *4 + π * 4

Surface area for the Cone = 12π

therefore, Surface Area of the cone 12π cm².

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The value of x, using the cosine ratio, is approximately: 11.47.

The cosine ratio is:

Cos ∅ = adjacent length/hypotenuse length.

Given the parameters:

∅ = 55°

Adjacent length = x

Hypotenuse length = 20

Apply the cosine ratio:

cos 55 = x/20

x = (cos 55)(20)

x ≈ 11.47

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Answer:

Minimum

Step-by-step explanation:

The equation is a quadratic function meaning the the shape is a parabola. The sign of x^2 is + so the graph open upward. Thus the vertex is the minimum point on the graph.