CAN SOMEONE PLEASE ANSWER THIS QUESTION ASAP!!

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Answer 1

Answer: hi, the solving is in the image, answer is 50 ft

have a nice day :)

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50 points!!What are the factors of the following polynomial: x^2−x−56Do not include any spaces in your answer. Use parentheses to separate your factors. A sample answer might be (x+1)(x-4).
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Each student in a class of 25 students wrote down a random digit. what is the predicted number of students who will win a digit that is greater than 7?
(1 point) For the given position vectors r(t)r(t), compute the (tangent) velocity vector r′(t)r′(t) for the given value of tt . A) Let r(t)=(cos4t,sin4t)Let r(t)=(cos⁡4t,sin⁡4t). Then r′(π4)r′(π4)= ( , )? B) Let r(t)=(t2,t3)Let r(t)=(t2,t3). Then r′(5)r′(5)= ( , )? C) Let r(t)=e4ti+e−5tj+tkLet r(t)=e4ti+e−5tj+tk. Then r′(−5)r′(−5)= i+i+ j+j+ kk ?
A scam drawing of a rectangle park is 5 inches wide and 7 inches

What is the angle (relative to the horizontal) of a 4 in 4 roof? Is it possible to have a 7 in 4 foot? Explain.

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If "y in x" means the rise is y for a run of x (both in the same units), then the tangent of the angle is y/x.

... angle for 4 in 4 roof: arctan(4/4) = 45°

Yes, it is possible to have a 7 in 4 roof.

... angle for 7 in 4 roof: arctan(7/4) = 60.3°

_____

As long as the run is non-zero, the rise can be anything you like.

20 POINTS! You are planning to use a ceramic tile design in your new bathroom. The tiles are equilateral triangles. You decide to arrange the tiles in a hexagonal shape as shown. If the side of each tile measures 9 centimeters, what will be the exact area of each hexagonal shape?

Answers

Answer:

210.33 cm^2

Step-by-step explanation:

We know that 6 equilateral triangles makes one hexagon.

Also, an equilateral triangle has all its sides equal.

If the tile of each side of the triangular tile measure 9 cm, then the height of the triangular tiles can be gotten using Pythagoras's Theorem.

The triangle formed by each tile can be split along its height, into two right angle triangles with base (adjacent) 4.5 cm and slant side (hypotenuse) of 9 cm. The height (opposite) is calculated as,

From Pythagoras's theorem,

$hyp^(2) = adj^(2) + opp^(2)$

substituting, we have

$9^(2) = 4.5^(2) + opp^(2)$

81 = 20.25 + $opp^(2)$

$opp^(2)$ = 81 - 20.25 = 60.75

opp = $√(60.75)$ = 7.79 cm this is the height of the right angle triangle, and also the height of the equilateral triangular tiles.

The area of a triangle = $(1)/(2) bh$

where b is the base = 9 cm

h is the height = 7.79 cm

substituting, we have

area = $(1)/(2)$ x 9 x 7.79 = 35.055 cm^2

Area of the hexagon that will be formed = 6 x area of the triangular tiles

==> 6 x 35.055 cm^2 = 210.33 cm^2

How much of the Fraction 3 over 8 is in the Fraction 1 over 4?

Answers

Answer:

Step-by-step explanation:

3/8 = 2/8,1/4

Please solve the following problem 194=27-x

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Answer:

hello! :)

-167

Answer: 167

Step-by-step explanation:

First get X by itself.

substract 27 to each side

194=27-x

194= 27 -27 -x

194 - 27 = X

X= 167

I need urgent help with this

Answers

Answer:

Step-by-step explanation:

The inverse relation

x y

5 -2

-3 4

1 6

-1 8

A city council is deciding whether or not to spend additional money to reduce the amount of traffic. The council decides that it will increase the transportation budget if the amount of waiting time for drivers exceeds 18 minutes. A sample of 26 main roads results in a mean waiting time of 21.1 minutes with a sample standard deviation of 5.4 minutes. Conduct a hypothesis test at the 5% significance level.

Answers

Answer:

t = 2.9272 > 1.708 at 25 degrees of freedom

null hypothesis is rejected

The council decides that it will increase the transportation budget if the amount of waiting time for drivers is not exceeds 18 minutes

Step-by-step explanation:

Step (i):-

A sample of 26 main roads results in a mean waiting time of 21.1 minutes with a sample standard deviation of 5.4 minutes.

Given sample size 'n' = 26

The mean of the sample 'x⁻ = 21.1 min

Standard deviation of the sample 'S' = 5.4 min

The Population mean 'μ' = 18min

Step(ii):-

Null hypothesis: H₀ : The council decides that it will increase the transportation budget if the amount of waiting time for drivers exceeds 18 minutes.

'μ' > 18min

Alternative hypothesis :H₁:

'μ' <18min

Level of significance : ∝=0.05

Degrees of freedom γ = n-1 = 26-1 =25

The test statistic

$t = (x^(-)-mean )/((S)/(√(n) ) )$