QUICK NEED HELP ANSWER THIS QUESTION FOR BRAINLY
A map has a scale of 2 inches : 5 miles. Use the given distance on a map to find the actual distance.

8 in

Answer:

you did not show the full question mate

Step-by-step explanation:

Answer:

A

Step-by-step explanation:

Calculate the distance d using the distance formula

d = \(\sqrt{(x_{2}-x_{1})^2+(y_{2}-y_{1})^2 }\)

with (x₁, y₁ ) = (- 2, - 4) and (x₂, y₂ ) = (6, 11)

d = \(\sqrt{(6+2)^2+(11+4)^2}\)

   = \(\sqrt{8^2+15^2}\)

   = \(\sqrt{64+225}\)

   = \(\sqrt{289}\)

   = 17 → A

Answer:

333

Step-by-step explanation:

Answer:

34 hard-headed skeptics

Step-by-step explanation:

Write and solve an equation of ratios:

  459       2

--------- = ----

 7803      x

Cross-multipying, we get:

459x = 15606, which yields  x = 15606/459 = 34

There were 34 hard-headed skeptics.

Answer: i believe its 15.12

Step-by-step explanation:

If function f(x) = x² + 2x then f(a+h) - f(a) = h(2a + h + 2).

What is function?

An input and an output are connected by a function. It functions similarly to a machine with an input and an output. Additionally, the input and output are somehow connected. The traditional format for writing a function is f(x) "f(x) =... "

Given function is:

f(x) = x² + 2x

To find f(a+h) - f(a), we need to substitute a+h and a into the function f(x) and then subtract the result of f(a) from f(a+h):

f(a+h) - f(a) = (a+h)² + 2(a+h) - (a² + 2a)

              = a² + 2ah + h² + 2a + 2h - a² - 2a

              = 2ah + h²^2 + 2h

              = h(2a + h + 2)

Therefore, f(a+h) - f(a) = h(2a + h + 2)

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Answer:

201.06193

Step-by-step explanation:

To find the intensity of sound, we divide the power of the sound wave by the area through which it passes . Hence we get the answer as I = 1.76 × 10^-4 W/m^2.

Given: Power of sound wave (P) = 8.8 × 10^-4 W.  Area (A) = 5.0 m^2. Intensity (I) = Power (P) / Area (A). Plugging in the given values: I = (8.8 × 10^-4 W) / (5.0 m^2). To divide the power in watts by the area in square meters, we can rewrite the intensity in terms of scientific notation: I = 8.8 × 10^-4 / 5.0 × 1. Simplifying the expression: I = 1.76 × 10^-4 W/m^2.

Therefore, the intensity of sound in section A is 1.76 × 10^-4 W/m^2.

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To determine the rate at which the tip of the man's shadow is moving, we can use similar triangles and the concept of related rates. Let's denote the distance from the man to the pole as "x" and the length of the man's shadow as "s."

Using similar triangles, we can set up the following proportion:

(6.1 ft) / (s ft) = (16.0 ft) / (x ft).

Cross-multiplying and simplifying, we get: 6.1x = 16s.

Differentiating both sides of the equation with respect to time (t), we get:

6.1(dx/dt) = 16(ds/dt).

We are given that dx/dt (the rate at which the man is walking away from the pole) is 5.5 ft/sec. We need to find ds/dt (the rate at which the tip of the shadow is moving) when x = 39 ft.

Plugging in the values, we have: 6.1(5.5 ft/sec) = 16(ds/dt).

Simplifying the equation, we find: 33.55 ft/sec = 16(ds/dt).

Finally, solving for ds/dt, we get: ds/dt = 33.55 ft/sec / 16 = 2.0969 ft/sec

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Step-by-step explanation:-108 is answer

x/6 +2=-16

x/6=-16-2

x=-18×6=-108

Answer:

x= -128

Step-by-step explanation:

I love algebra anyways

The ans is in the picture with the  steps how i got it

(hope this helps can i plz have brainlist :D hehe)

Answer:

y=1

x=5/2

Step-by-step explanation:

4x-9y=1

(2x+y=-5)-2

4x-9y=1

-4x-2y=10

_________

-11y=11

y=-1

4x-9y=1

4x-9(1)=1

4x=10

x=10/4

x=5/2

Answer:

it is False

Step-by-step explanation:

Answer:

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

Solve in below steps:

No solutions as we ended up with false equality.

Answer:

no solution

Step-by-step explanation:

0.5 ( -2 + 4d ) - 2d = -13

Solve the brackets.

-1 + 2d - 2d = -13

The term "-2d" cancels out, leaving us with:

-1 = -13

Since this equation is not true (the left side does not equal the right side), there is no solution to the equation.

In other words, there is no value of "d" that satisfies the equation.

Answer:

0.35714285714 as a fraction equals 35714285714/100000000000

Step-by-step explanation:

To write 0.35714285714 as a fraction you have to write 0.35714285714 as numerator and put 1 as the denominator.

Now you multiply numerator and denominator by 10 as long as you get in numerator the whole number.

0.35714285714 = 0.35714285714/1 = 3.5714285714/10 = 35.714285714/100 = 357.14285714/1000 = 3571.4285714/10000 = 35714.285714/100000 = 357142.85714/1000000 = 3571428.5714/10000000 = 35714285.714/100000000 = 357142857.14/1000000000 = 3571428571.4/10000000000 = 35714285714/100000000000

I hope this helps :)

Answer:

(a) The best answer for residuals plot (a) is:

A. The fanned pattern indicates that the linear model is not appropriate. The model's predicting power decreases as the values of the explanatory variable increases.

A fanned pattern in the residuals plot suggests that the linear model is not appropriate because the variability of the residuals increases as the values of the explanatory variable increases. This indicates that the linear model is not capturing all the important features of the data and may not be the best fit for the data.

(b) The best answer for residuals plot (b) is:

B. The curved pattern in the residuals plot indicates that the linear model is not appropriate. The relationship is not linear.

A curved pattern in the residuals plot suggests that the linear model is not appropriate because the relationship between the variables is not linear. This indicates that the linear model is not capturing all the important features of the data and may not be the best fit for the data.

Distance between two coordinates:

Given point: b) (10, -5) and ( -6, 7)

Substitute the value in the expression of distance formula

The distance between coordinates (10,-5) & (-6,7) is 20 unit

In mathematics, a closed-formula is a mathematical expression that uses a finite number of standard operations. It may contain constants, variables, and operations etc.

A closed formula is an expression that can be computed by applying a fixed or finite number of standard opertions.

Example; Assume that the first term is a1(16 pts)

(a) 2,6,12,20,30,42,....

(b) 1,5,23,119,719,…

(c) 2,4,6,10,16,26,42,…

(d) 8,12,17,23,30,…

hence the closed formula will be a1=(1+1,1+5,1+11,1+29,1+24)

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Answer:

360 polygon

Step-by-step explanation:

follow me and mark this answer

Answer:

A

Step-by-step explanation:

\(26.95*(1+6.5/100)\\26.96*1.065\\=28.7124\)

Turn the tax into a decimal

6.5 = 0.065

Multiply to the book cost

26.95 * 0.065 = 1.75175

Add

26.95 + 1.75175 = 28.70

The answer is A.

Best of Luck!

Answer:

FALSE

Step-by-step explanation:

Answer:

NL=10.82

Step-by-step explanation:

Start by finding the area of the triangle.  We do this by using c as the base.

1/2bh=1/2(12)(25)=150

Now that we know the area is 150, we turn the triangle so b is the base and use the formula again.  This time we’re looking for the height, which is NL.

1/2bh=

1/2(27.73)h=150

13.865h=150

h=10.8186

Rounded to the nearest hundredth, it’s NL=10.82

After the boys from Barack Academy travel to Hillary High and then return with a combination of boys and girls, Hillary High will have more boys on campus compared to the number of girls at Barack Academy.

Based on the given information, we can determine that both schools initially have the same number of students. The boys from Barack Academy board the bus and travel to Hillary High for a dance. Afterward, the bus is filled with a combination of boys and girls and they travel back to Barack Academy for another dance.

Since all the boys from Barack Academy initially leave the school and then return with a combination of boys and girls, it can be inferred that the number of boys on campus at Barack Academy remains the same or increases (if some boys from Hillary High join them).

On the other hand, at Hillary High, the girls who stay at the school are joined by a combination of boys and girls from the other school. Therefore, it can be inferred that the number of boys on campus at Hillary High increases.

Based on this analysis, it can be concluded that after the events described, Hillary High would have more boys on campus than Barack Academy would have girls on campus.

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Answer:

Because you first take 75% off of the first price then 25% off the discounted price

Example:

Lets say you have a item that cost $50 and you use a 75% discount card that will make the item $37.5. The you add an additional 25% off which will equal $9.38.

The interval of t-values such that c(t)=(cost,sint) traces the upper half of the unit circle (in the counter-clockwise direction) is  [π/2, 3π/2].

To trace the upper half of the unit circle in the counter-clockwise direction, we need the y-coordinate (sint) of the curve to be positive. Since sin is positive in the first and second quadrants of the unit circle, we need to find the interval of t-values such that cos(t) is within the b [-1, 1] of the x-coordinate in the first and second quadrants. This interval will correspond to the portion of the unit circle in which the curve c(t) lies on the upper half.

The interval of t-values that satisfies this condition is [π/2, 3π/2]. To see why, note that at t = π/2, c(t) = (0, 1), which is the point on the upper half of the unit circle with y-coordinate 1. As t increases from π/2 to 3π/2, the curve c(t) moves counter-clockwise along the upper half of the unit circle until it reaches the point (0, -1) at t = 3π/2. At t > 3π/2, the y-coordinate of c(t) becomes negative and the curve moves to the lower half of the unit circle. Therefore, the interval [π/2, 3π/2] corresponds to the portion of the unit circle in which c(t) lies on the upper half.

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To answer this question, re-arrange the terms to be on one side of the equation.

Thus, the value of x is 1.

Answer:

x=1

Step-by-step explanation:

Assuming that h = αβ = ehi, we can express θ in terms of α and β by taking the natural logarithm of both sides of the equation:

ln(h) = ln(αβ) = ln(ehi)

Using the properties of logarithms, we can simplify the right-hand side of the equation:

ln(h) = ln(α) + ln(β) = hi

Now, we can isolate θ on one side of the equation:

θ = ln(h) - ln(α) - ln(β)

Therefore, θ is expressed in terms of α and β as:

θ = ln(h/αβ)

As for the bias(ˆθ), it is the difference between the expected value of the estimator ˆθ and the true value of the parameter θ. In other words, bias(ˆθ) = E(ˆθ) - θ. Without knowing the specific values of α, β, and h, we cannot calculate the bias of the estimator ˆθ.

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The total cost to cover the floor is $1,077.51

Here we know that one gallon of floor paint costs $21.99 and covers an area of 20ft by 20ft

That area is 20ft*20ft = 400ft^2

Now, for the floor of 140ft by 140ft the area is:

A = 140ft*140ft = 19,600ft^2

We need to see how many times 400ft^2 are in 19,600ft^2, so we take the quotient:

19,600ft^2/400ft^2  = 49

That is the number of gallons of paint that we will need, then the total cost is:

C = 49*$21.99 = $1,077.51

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Answer:

Ok what do you need help on

Step-by-step explanation:

Answer:

how do u need help? What one?

Step-by-step explanation:

According to the information, the probability that exactly four accidents will occur on this stretch of road each of the next two months is 0.0053

To find the probability of exactly four accidents occurring each of the next two months, we can use the Poisson distribution. The Poisson distribution is commonly used to model the number of events occurring in a fixed interval of time or space.

The formula for the Poisson distribution is:

Where:

Given that the mean number of accidents in a month is 7.5, we can calculate the probability of exactly four accidents using the Poisson distribution formula:

Calculating this probability for one month, we get:

Since we want this probability to occur in two consecutive months, we multiply the probabilities together:

According to the information, the probability that exactly four accidents will occur on this stretch of road each of the next two months is approximately 0.0053.

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The probability values are:

a. P(OOOD) = 0.0384,

b. All arrangements have a probability of 0.0384,

c. P(exactly three adults prefer online news and one adult prefers a different source) = 0.1536.

We have,

a. To find the probability that the first three adults prefer to get their news online (O) and the fourth prefers a different source (D), we use the multiplication rule.

P(OOOD) = P(O) x P(O) x P(O) x P(D)

Given that 40% of adults prefer online news, the probability of an adult preferring online news is 0.4.

The probability of an adult preferring a different source (non-online news) is 1 - 0.4 = 0.6.

Plugging in the values, we have:

P(OOOD) = 0.4 * 0.4 * 0.4 * 0.6 = 0.0384

Therefore, the probability that the first three adults prefer to get their news online and the fourth prefers a different source is 0.0384.

b. Starting with OOOD, we can generate a list of the different possible arrangements of those four letters:

OOOD

OODO

ODOO

DOOO

For each entry in the list, we calculate the probability of that specific arrangement.

P(OOOD) = 0.4 * 0.4 * 0.4 * 0.6 = 0.0384

P(OODO) = 0.4 * 0.4 * 0.6 * 0.4 = 0.0384

P(ODOO) = 0.4 * 0.6 * 0.4 * 0.4 = 0.0384

P(DOOO) = 0.6 * 0.4 * 0.4 * 0.4 = 0.0384

Therefore, the probability for each entry in the list is 0.0384.

c. To calculate the probability of getting exactly three adults who prefer to get their news online (O) and one adult who prefers a different news source (D), we sum up the probabilities of the corresponding arrangements:

P(exactly three adults prefer online news and one adult prefers a different source) = P(OOOD) + P(OODO) + P(ODOO) + P(DOOO)

= 0.0384 + 0.0384 + 0.0384 + 0.0384

= 0.1536

Therefore, the probability of getting exactly three adults who prefer to get their news online and one adult who prefers a different news source is 0.1536.

Thus,

The probability values are:

a. P(OOOD) = 0.0384,

b. All arrangements have a probability of 0.0384,

c. P(exactly three adults prefer online news and one adult prefers a different source) = 0.1536.

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