Pls help I’m stuck Tysm I can’t thank any more

The truck driver would deliver 105 packages in a 7 hours day

An equation is an expression that shows how numbers and variables are related to each other using mathematical operators.

Let y represent the number of packages delivered by the truck driver in x hours. Using the point (1, 15) and (4, 60). Hence, the equation is:

y - 15 = [(60-15)/(4-1)](x - 1)

y = 15x

For a 7 hour day (x = 7):

y = 15(7) = 105

The driver would deliver 105 packages in 7 hours

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Answer:

Answer 1008

Step-by-step explanation:

The value of x is 50 and FTD = 130°

Both of the angles in the diagram must have the same measure because are vertical, then:

3x - 20 = 2x + 30

3x - 2x = 30 + 20

x = 50

That is the value of x.

And we can see that FTD = 2x + 30 = 2*50  + 30 = 130

That is the measure.

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As per the given confidence interval, the given statement "in forming a 95% confidence interval for a population mean from a sample size of 20, we can proceed with large sample inference" is false.

Confidence interval,

in probability , confidence interval refers the probability that a population parameter will fall between a set of values for a certain proportion of times.

Given,

in forming a 95% confidence interval for a population mean from a sample size of 20, we can proceed with large sample inference.

Here we need to find the given statement is true or false.

While we looking into the given question, we have identified that the value of

Confidence interval = 95%

Sample size = 20

Then the sample inference is calculated as, if we were to take 20 different samples and compute a 95% confidence interval for each sample, then approximately 95 of the 100 confidence intervals will contain the true mean value (μ).

Therefore, the statement is in correct.

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Answer:

7(2-3) = -7

Step-by-step explanation:

Hope this helps, but you did not give us any options to choose from.

Answer:

image please

Step-by-step explanation:

Answer:

Slope:2

Y-int:2

Step-by-step explanation:

y=m(slope)x+b(y-int)

Answer:

Slope is 2, Y-intercept is 2

Step-by-step explanation:

Point-slope form is y=mx+b

m=slope

b=y-intercept

Hope this helped.

The value of the hats bought by John, Stacey, and Jim are $8 per hat. This shows a proportional relationship.

It should be noted that a proportional relationship is one where it van be expressed as y = kx.

In this case, John bought 3 for $24.00. This will be:

= $24 / 3

= $8 per hat

Stacey bought 5 for $40.00. This will be:

= $40 / 5

= $8 per hat

Jim bought 2 for $16.00. This will be:

= $16/2

= $8 per hat

Therefore, it's a proportional relationship.

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Answer:

Between 100 and 125

Step-by-step explanation:

Given

\(Min =60\)

\(Q_1 = 100\)

\(Median = 110\)

\(Q_3 = 125\)

\(Max =150\)

Required:

Between which values will the box of the box plot will stretch

All box plots stretches between the lower quartile and the upper quartile.

From the question, we have:

\(Q_1 = 100\) ---- lower quartile

\(Q_3 = 125\) ---- upper quartile

Hence, the box will stretch between 100 and 125

The probability that the salesman sells a deluxe and a standard encyclopedia on his two appointments is 0.126.

To calculate this probability, we can use the multiplication rule of probability, which states that the probability of two independent events occurring together is the product of their individual probabilities.

Let S1 be the event that the salesman makes a sale on his first appointment, and S2 be the event that he makes a sale on his second appointment. Let D1 be the event that the sale is for the deluxe model, and S1 be the event that the sale is for the standard model.

Then, the probability of selling a deluxe model on the first appointment is 0.3 * 0.5 = 0.15 (since there is a 50% chance of selling a deluxe model). The probability of selling a standard model on the second appointment is 0.4 * 0.5 = 0.3 (since there is a 50% chance of selling a standard model).

Therefore, the probability of selling a deluxe model on the first appointment and a standard model on the second appointment is 0.15 * 0.3 = 0.045. However, this can also occur in reverse order (i.e., selling a standard model on the first appointment and a deluxe model on the second appointment), so we need to double the probability to get the final answer: 0.045 * 2 = 0.09.

Finally, the probability that both events occur (selling a deluxe and a standard encyclopedia on his two appointments) is 0.09 * 2 = 0.126.

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Answer:

c = 8

Step-by-step explanation:

Using the Intersecting Chords Theorem, we can form the following equation and solve for c:

\(ab=cd\\(10)(8.8)=11c\\88=11c\\c=8\)

So, we know that:

A = y-4

B = y+1

We will now substitute and simplify the expression:

3(y-4) + 2(y+1)

3y - 12 + 2y + 2

=> 5y - 10

Answer:

its 4/2 or simplified to 2/1

Step-by-step explanation:

mark me brainliest pls

Answer:

The second and the third one

Step-by-step explanation:

4x^2 + 12x + 9 = (2x + 3)^2

x^2 + 20x + 100 = (x + 10)^2

Answer:

None

Step-by-step explanation:

The angles 33+42+66 does not add up to 180 degrees which would not make it a triangle at all.

Considering the definition of a line, the equation of the line that passes through the point (-10, -1) and has a slope of -1/5 is

A linear equation o line can be expressed in the form y = mx + b

where

In this case, you know:

Substituting the value of the slope in the expression of a linear equation, y = mx + b, the line has the form: y=-1/5x + b

Replacing the value of the point in the expression of a linear equation, the value of the ordinate to the origin b can be obtained:

-1= -1/5×(-10) + b

-1= 2 + b

-1 -2= b

-3= b

Finally, the equation of the line is y= -1/5x -3.

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Answer:

\(\displaystyle\)\(\displaystyle f'(1)=-\frac{9}{e^3}\)

Step-by-step explanation:

Use Quotient Rule to find f'(x)

\(\displaystyle f(x)=\frac{3x^2+2}{e^{3x}}\\\\f'(x)=\frac{e^{3x}(6x)-(3x^2+2)(3e^{3x})}{(e^{3x})^2}\\\\f'(x)=\frac{6xe^{3x}-(9x^2+6)(e^{3x})}{e^{6x}}\\\\f'(x)=\frac{6x-(9x^2+6)}{e^{3x}}\\\\f'(x)=\frac{-9x^2+6x-6}{e^{3x}}\)

Find f'(1) using f'(x)

\(\displaystyle f'(1)=\frac{-9(1)^2+6(1)-6}{e^{3(1)}}\\\\f'(1)=\frac{-9+6-6}{e^3}\\\\f'(1)=\frac{-9}{e^3}\)

Answer:

\(f'(1)=-\dfrac{9}{e^{3}}\)

Step-by-step explanation:

Given rational function:

\(f(x)=\dfrac{3x^2+2}{e^{3x}}\)

To find the value of f'(1), we first need to differentiate the rational function to find f'(x). To do this, we can use the quotient rule.

\(\boxed{\begin{minipage}{5.5 cm}\underline{Quotient Rule for Differentiation}\\\\If $f(x)=\dfrac{g(x)}{h(x)}$ then:\\\\\\$f'(x)=\dfrac{h(x) g'(x)-g(x)h'(x)}{(h(x))^2}$\\\end{minipage}}\)

\(\textsf{Let}\;g(x)=3x^2+2 \implies g'(x)=6x\)

\(\textsf{Let}\;h(x)=e^{3x} \implies h'(x)=3e^{3x}\)

Therefore:

\(f'(x)=\dfrac{e^{3x} \cdot 6x -(3x^2+2) \cdot 3e^{3x}}{\left(e^{3x}\right)^2}\)

\(f'(x)=\dfrac{6x -(3x^2+2) \cdot 3}{e^{3x}}\)

\(f'(x)=\dfrac{6x -9x^2-6}{e^{3x}}\)

To find f'(1), substitute x = 1 into f'(x):

\(f'(1)=\dfrac{6(1) -9(1)^2-6}{e^{3(1)}}\)

\(f'(1)=\dfrac{6 -9-6}{e^{3}}\)

\(f'(1)=-\dfrac{9}{e^{3}}\)

Answer:

50

Step-by-step explanation:

Fifty lol Gosh why does my answer have to be 20 characters

Answer:

50

Step-by-step explanation:

Because you just put the zero behind the 5 and it becomes 50

Answer:

100

Step-by-step explanation:

Multiply two of the side lengths

10×10 = 100

Answer:

y = x + 60

Step-by-step explanation:

the equation of a line in slope- intercept form is

y = mx + c ( m is the slope and c the y- intercept )

calculate m using the slope formula

m = \(\frac{y_{2}-y_{1} }{x_{2}-x_{1} }\)

with (x₁, y₁ ) = (20, 80) and (x₂, y₂ ) = (40, 100) ← 2 points on the line

m = \(\frac{100-80}{40-20}\) = \(\frac{20}{20}\) = 1

the line crosses the y- axis at (0, 60 ) ⇒ c = 60

y = x + 60 ← equation of line

Answer:

  \(\log_{19}{361}=2\)

Step-by-step explanation:

We know that taking logarithms performs the transformation ...

  \(b^e=x\\\\e\cdot\log{b}=\log{x}\quad\text{take logs}\\\\e=\dfrac{\log{x}}{\log{b}}\quad\text{divide by $\log{b}$}\\\\\log_b{x}=e\quad\text{use the change of base formula}\)

Then for b=19, e=2, x=361, we have

  \(\boxed{\log_{19}{361}=2}\)

Answer:

it is 48

Step-by-step explanation:

the reason it is 48 is because the length is 6 feet and it is 8 wide so 8x6=48

and it would be 480.00$

Answer:

Step-by-step explanation:

The equation of the circle is

(x – h)²+ (y – k)² = r²

(h, k) = (2, 7/2) and r = 5/2

So,

(x - 2)² + (y - 7/2)² = 24/4

A circle is a two-dimensional figure with a radius and circumference of 2 x pi x r.

The area of a circle is given as:

We have,

The equation of a circle is represented as,

(x – h)²+ (y – k)² = r²

where (h, k) is the center of the circle and r is the radius of the circle.

The coordinates of the center of the circle can be calculated using the endpoints of a diameter of a circle:

(6, 2) and (-2,5).

The midpoint of the diameter is the center of the circle.

x = (6 - 2) / 2 = 4/2 = 2

y = (2 + 5) / 2 = 7/2

The coordinate of the center of the circle is (2, 7/2).

Distance between (6, 2) and (-2, 5)

= √(-2 - 6)² + (5 - 2)²

= √(64 + 9)

= √25

= 5

The radius of the circle.

= 5/2

Thus,

The equation of the circle is

(x – h)²+ (y – k)² = r²

(h, k) = (2, 7/2) and r = 5/2

So,

(x - 2)² + (y - 7/2)² = 24/4

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Answer:

s = 1.81

Step-by-step explanation:

4.4(1.81)+6.2=8.8(1.81)-1.8

plug in and multiply if you'd like to clarify :)

Answer:

=Steps

4.4s+6.2=8.8s−1.8

Multiply both sides by 10

4.4s· 10+6.2· 10=8.8s· 10−1.8· 10

Refine

44s+62=88s−18

Subtract 62 from both sides

44s+62−62=88s−18−62

Simplify

44s=88s−80

Subtract 88s from both sides

44s−88s=88s−80−88s

Simplify

−44s=−80

Divide both sides by −44

−44s

−44 =

−80

−44

Show Steps

Simplify

s=

20/11

Step-by-step explanation:

Answer:

I dont speak english so i dont know whats is your question

In the given Quadrilateral, The measure of ∠x=110°.

what are quadrilaterals?

Quadrilaterals are four-sided polygons. They are two-dimensional shapes with four straight sides, four vertices, and four angles which have sum of 360°. Quadrilaterals can have parallel sides, opposite sides that are congruent, opposite angles that are congruent, and diagonals that bisect each other. Some examples of quadrilaterals include squares, rectangles, parallelograms, trapezoids, and rhombuses.

Now,

For given Quadrilateral

three angles given are 128°, 82° and 40° and 4th angle=x°.

To find x

As we know

Sum of all interior angles of a quadrilateral=360°

128°+82° +40° +x°=360°

x=360-250

x=110°

hence,

          the measure of ∠x=110°.

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Answer:

y-1=x^2

Step-by-step explanation:

That is the equation of a parabola with vertex at (0,1). The equation is y-1=x^2.