50 POINTS !!


PLEASE HELP !! ILL GIVE BRAINLIEST TO THE RIGHT ANSWERS.

 50 POINTS !!PLEASE HELP !! ILL GIVE BRAINLIEST TO THE RIGHT ANSWERS.

Answers

Answer 1

Answer:

c = 90

Step-by-step explanation:

Answer 2

Answer:

90

Step-by-step explanation:

Using the Pythagorean theorem, a^2 + b^2 = c^2

54^2 + 72^2 = 8100

c^2 = 8100

[tex]\sqrt{8100}[/tex] = 90

90 = c


Related Questions

3 1/4 - 5/8 as a fraction

Answers

5/8

i convert to decinal then back to fraction, but you can do it however.

Exact Form: 21/8
Mixed number form: 2 5/8

Step-by-step explanation:

Find X and Y - 20 POINTS

Answers

Check the picture below.

D varies as R and S, and inversely as t. D=12, R=3, S=20, and t=5, find D when R=15, S=4 and t=8.

Answers

Answer:

d = 7.5

Step-by-step explanation:

Given that,

D varies as R and S, and inversely as t. It can be written as :

[tex]D=\dfrac{kRS}{t}[/tex]

Where

k is constant of proportionality

Put D=12, R=3, S=20, and t=5 to find k. So,

[tex]k=\dfrac{Dt}{RS}\\\\k=\dfrac{12\times 5}{3\times 20}\\\\k=1[/tex]

Now put R=15, S=4, k=1 and t=8 to find D. So,

[tex]D=\dfrac{1\times 15\times 4}{8}\\\\D=7.5[/tex]

Hence, the value of d is equal to 7.5.

People visiting video rental stores often rent more than one DVD at a time. The probability distribution for DVD rentals per customer at Video To Go is given in the following table. There is a five-video limit per customer at this store, so nobody ever rents more than five DVDs.

x P(x)
0 0.05
1 0.49
2 0.25
3
4 0.08
5 0.03

Describe the random variable X in words.

a. X is the number of DVDs a customer rents.
b. X is the number of times a single customer comes into the store.
c. X is the number of DVDs a customer owns.
d. X is the total number of DVDs rented at the store.
e. X is the number of customers that come into the store

Answers

Answer:

a. X is the number of DVDs a customer rents.

Step-by-step explanation:

The distribution states that:

0.05 = 5% probability a customer rents no DVDs

0.49 = 49% probability a customer rents 1 DVD

...

0.03 = 3% probability a customer rents 5 DVDs.

Thus, the random variable X is the number of DVDs a customer rents, and the correct answer is given by option A.

Suppose the standard deviation of X is 6 and the standard deviation of Y is 8. Answer the following two questions, rounding to the nearest whole number. What is Var[3X - 7Y] if the covariance of X and Y is 2?

Answers

Recall that

Var[aX + bY] = a ² Var[X] + 2ab Cov[X, Y] + b ² Var[Y]

Then

Var[3X - 7Y] = 9 Var[X] - 42 Cov[X, Y] + 49 Var[Y]

Now, standard deviation = square root of variance, so

Var[3X - 7Y] = 9×6² - 42×2 + 49×8² =  3376

The general result is easy to prove: by definition,

Var[X] = E[(X - E[X])²] = E[X ²] - E[X

Cov[X, Y] = E[(X - E[X]) (Y - E[Y])] = E[XY] - E[X] E[Y]

Then

Var[aX + bY] = E[((aX + bY) - E[aX + bY])²]

… = E[(aX + bY)²] - E[aX + bY

… = E[a ² X ² + 2abXY + b ² Y ²] - (a E[X] + b E[Y])²

… = E[a ² X ² + 2abXY + b ² Y ²] - (a ² E[X]² + 2 ab E[X] E[Y] + b ² E[Y]²)

… = a ² E[X ²] + 2ab E[XY] + b ² E[Y ²] - a ² E[X]² - 2 ab E[X] E[Y] - b ² E[Y

… = a ² (E[X ²] - E[X]²) + 2ab (E[XY] - E[X] E[Y]) + b ² (E[Y ²] - E[Y]²)

… = a ² Var[X] + 2ab Cov[X, Y] + b ² Var[Y]

Help please. Much appreciated

Answers

Answer:

1=90, 2=53,3=37, 4=53 As sum of angles in triangle 180°

The height of a rock climbing wall is 137 feet. How many feet has Sara climbed when she is
48 from the top of the wall?

Answers

Answer:

137 - 48 = 89, so she climbed 89

Step-by-step explanation:

89 feet

137-48=89
Your welcome :)

10. Find the range, mean, median, and mode of the following data set. 15, 22, 14, 3, 11, 9, 3 a. Range 19 Mean 11 Median 3 Mode 3 c. Range 21 Mean 11 Median 11 Mode 14 b. Range 19 Mean 11 Median 11 Mode 3 I d. Range 19 Mean 111 Median 10.5 Mode 3​

Answers

Answer:

Range: 19

Mean: 11

Median: 11

Mode: 3

a(n)=
2
3

(−2)
n−1 what is the 3rd term in sequence

Answers

The third term of the geometric sequence will be 8/3.

What is a geometric sequence?

A series of non-zero integers where every term after the first is obtained by increasing the one before it by a constant, non-zero value known as the scale factor.

Let a₁ be the first term and r be the common ratio.

Then the nth term of the geometric sequence is given as,

aₙ = a₁ · (r)ⁿ⁻¹

The equation is given below.

aₙ = (2/3) · (-2)ⁿ⁻¹

The third term of the geometric sequence will be given as,

a₃ = (2/3) · (-2)³⁻¹

a₃ = (2/3) · (-2)²

a₃ = (2/3) · (4)

a₃ = 8 / 3

The third term of the geometric sequence will be 8/3.

More about the geometric sequence link is given below.

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Whats 3%9 and 3-9?
pls​

Answers

Answer:

3 - 9 = -6

3% of 9 = 0.27

Step-by-step explanation:

pleaseee help with these questions

Answers

Answer:

3. 56.8 inches

4. 314.2 yards

5. 1809.6 meters

6. 265 centimeters

What value of k makes the following equation true? k + 6 = 18 A) 13 B) 10 C) 12 D) 11​

Answers

Answer:

C

Step-by-step explanation:

We replace k with 12

12 + 6 = 18

This it's true

Thus, the answer is C

PLEASE TRY YOUR BEST ON THESE
I could really use the help on these questions
Please give me a good answer:)
15 points

Answers

Answer:

hey i can help if you want it

Step-by-step explanation:

A triangular side panel for a roof has the dimensions shown.
26 ft
30°
What is the approximate area, in square feet, of the side panel?
OA.
О в.
O C.
O D.
239
146.4
119.5
60°
292.7

Answers

Answer:

d

Step-by-step explanation:

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A box contains 8 cups of raisins Marco needs 1/3 cup of raisins to make 1 bag of snacks mix how many bags of snack mix can Marco make with 8 cups of raisins

Answers

Answer: 24

Step-by-step explanation:

24/3=8

i need to solve this so can you pls hlp

Answers

Answer: D

Step-by-step explanation: x is a variable, and so is the number of tractors he sells. he is going to get paid $1000 for sure each month.

So 150x(the number of tractors) + 1000(his pay each month)

A prescription indicates that 1.25 grams of a given drug should be taken

Twice a day. If the drug is available in 500 milligram tablets, how many tablets does it Will the patient take every 12 hours?

Answers

Ans=5 tablets.
Solutions
Convert grams to milligrams: 1.25g*1000=1250mg
1250mg/500mg*1 tab=2.5 tabs
How many tablets will the patient take every 12 hours: 24 hours/12 hours = 2
Therefore, every 12 hours the patient will take: 2.5*2= 5 tablets.

Solve for x. 6x−24=x−2

OPTIONS:

Enter answer in the box!

X = [?]

Answers

Answer:

point A

Step-by-step explanation:

1st Step. Add 24 to both sides
6x - 24 = X - 2

6x - 24 + 24 = X - 2 +24

2nd Step. Simplify

• Add the numbers
• Add the numbers
*6x = x + 22

3rd Step. Subtract X from both sides

6x = x + 22
6x - x = x + 22-x

Finally

X = 22/5

Jonathan’s Math test scores were 87,93, 85, 62, and 95. What was his mean score?

Answers

Answer:

the mean is 84.4

Step-by-step explanation:

have a good day

Answer: 84.4

Step-by-step explanation:

Find the sum of the arithmetic sequence.

3, 5, 7, 9, ..., 21
Choices:
39
120
20
23

Answers

Answer:

23

Step-by-step explanation:

5-3=2

7-5=2

21+2=23

its adding 2 each time the numbers change

3a+14b

I'm not good at math, it's my weakest subject

Answers

On solving the question, we can say that y using the given information we can prove that similar angle m ∠ABC = m ∠EDC.

What are similar angles?

Polygons' corresponding sides and corresponding angles are compared as part of the geometric tests for congruence and similarity. With care taken to maintain the order of adjacency, each side and each angle in one polygon is paired with a side or angle in the other polygon in these tests.

Given:

m ∠1 = m ∠2

m ∠2 = m ∠4

We have to prove that m ∠ABC = m ∠EDC

∠EDC = ∠3 + ∠4

m ∠ABC = m ∠1 + m ∠2

m ∠EDC = m ∠3 + m ∠4

m ∠1 + m ∠2 = m ∠3 + m ∠4      

m ∠ABC = m ∠EDC

Hence, by using the given information we can prove that  

m ∠ABC = m ∠EDC.

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Helpppppppppppp again pleaseeeeee

Answers

Answer:

the answer is 17miles .....

Answer:

c= 17 miles

Step-by-step explanation:

try using a pythagorean calculator this will help you alot :)

We have a circle with a diameter of 6.5 km. What is the area of this square ?​

Answers

Answer:

33.18

Step-by-step explanation:

The formula for the area of a circle is A = π r2, where r is the length of the radius of a circle. We can use our knowledge that a diameter is made up of two radii to understand that r = d/2. With this knowledge, you can rewrite the formula for the area of a circle as A = π (d/2)2.

Hope it made sense :)

Any help would be appreciated! :)

Answers

Answer:

-7, then -13, then -19

Step-by-step explanation:

Plug in x values to get y.

y = -2(0) - 7

y = 0 - 7

y = -7

y = -2(3) - 7

y = -6 - 7

y = -13

y = -2(6) - 7

y = -12 - 7

y = -19

Hope this helps. :0)

solve for inequality for graph y + 4 > 1/2 {x + 2}

Answers

Answer:

y > X/2 - 3

I think that's the answer.


Round your answer to 1 decimal place if needed.
NK =
JK =
The measure of arc MK =
degrees
The measure of arc JPK =
degrees

Answers

The segment lengths and the arc measures are NK = 12, JK = 24, arc MK = 53.1 degrees and arc JPK = 253.8 degrees

Calculating the segment lengths and the arc measures

From the question, we have the following parameters that can be used in our computation:

The circle

Using the pythagoras theorem, we have

NK^2 = 15^2 - 9^2

NK^2 = 144

So, we have

NK = 12

Next, we have

JK = 2 * NK

So, we have

JK = 2 * 12

Evaluate the product

JK = 24

For the arc measures, we have

arc MK = arc cos(9/15)

So, we have

arc MK = 53.1 degrees

Next, we have

arc JPK = 360 - 2 * 53.1 degrees

Evaluate

arc JPK = 253.8 degrees

Hence, the measure of the arc JPK is 253.8 degrees

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1 Chinese yuan= $0.14567. How many Chinese yuan can u buy for a dollar

Answers

The Chinese yuan you can buy for a dollar is 6.86483 Chinese yuan

How to determine how many Chinese yuan you can buy for a dollar

From the question, we have the following parameters that can be used in our computation:

1 Chinese yuan= $0.14567

Divide both sides of the equation by 0.14567

So, we have the following representation

1/0.14567 Chinese yuan= $0.14567/0.14567

Evaluate the quotient

1/0.14567 Chinese yuan= $1

Evaluate the other quotient

6.86483 Chinese yuan= $1

This means that

$1 = 6.86483 Chinese yuan

Hence, you can buy 6.86483 Chinese yuan for $1

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Find the total surface area of this cone.
Leave your answer in terms of t.
3 cm
4cm->
ti
SA = [ ? ] cm2
Hint: Surface Area of a Cone = mre + B
Where l = slant height, and B = area of the base

Answers

The surface area of the cone is 36π

How to find the surface area of a cone?

Surface area of a cone = πr(r + l)

where

r = radiusl = length

Therefore,

r = 4cm

l² = 4² + 3²

l² = 16 + 9

l = √25

l = 5 cm

Hence,

r = 4 cm

l =  5 cm

Surface area of a cone = π(r + l)

Surface area of a cone = 4π(4 + 5)

Surface area of a cone = 4π(9)

Surface area of a cone = 36π

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Answer: 36 pi

Step-by-step explanation:

3 x (5 + 1) = (3 x 5) + (3x1)
What is the real property

Answers

The real property of 3 x (5 + 1) = (3 x 5) + (3x1) is the distributive property

How to determine the property

From the question, we have the following parameters that can be used in our computation:

3 x (5 + 1) = (3 x 5) + (3x1)

The distributive property of algebra states that

x * (a + b) = x * a + x * b

This means that

x = 3

a = 5 and b = 1

By comparison, we can conclude that the property is the distributive property

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What is m∠4 + m∠5 + m∠6?

180
270
300
360

Answers

Answer:360°

Step-by-step explanation:

Answer: D:360

Step-by-step explanation:

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