Answer:
25.8 pounds
Step-by-step explanation:
3 x 8.6 = 25.8
Solve for x. 6x−24=x−2
OPTIONS:
Enter answer in the box!
X = [?]
Answer:
point A
Step-by-step explanation:
PLEASE TRY YOUR BEST ON THESE
I could really use the help on these questions
Please give me a good answer:)
15 points
Answer:
hey i can help if you want it
Step-by-step explanation:
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?
Answer:
137 - 48 = 89, so she climbed 89
Step-by-step explanation:
i need to solve this so can you pls hlp
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)
Helpppppppppppp again pleaseeeeee
Answer:
the answer is 17miles .....
Answer:
c= 17 miles
Step-by-step explanation:
try using a pythagorean calculator this will help you alot :)
1 Chinese yuan= $0.14567. How many Chinese yuan can u buy for a dollar
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 dollarFrom 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
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 = lengthTherefore,
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:
Whats 3%9 and 3-9?
pls
Answer:
3 - 9 = -6
3% of 9 = 0.27
Step-by-step explanation:
What is m∠4 + m∠5 + m∠6?
180
270
300
360
Answer:360°
Step-by-step explanation:
Answer: D:360
Step-by-step explanation:
Jonathan’s Math test scores were 87,93, 85, 62, and 95. What was his mean score?
Answer:
the mean is 84.4
Step-by-step explanation:
have a good day
Answer: 84.4
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
Answer:
d
Step-by-step explanation:
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Help please. Much appreciated
Answer:
1=90, 2=53,3=37, 4=53 As sum of angles in triangle 180°
Find X and Y - 20 POINTS
Check the picture below.
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
Answer:
Range: 19
Mean: 11
Median: 11
Mode: 3
3 x (5 + 1) = (3 x 5) + (3x1)
What is the real property
The real property of 3 x (5 + 1) = (3 x 5) + (3x1) is the distributive property
How to determine the propertyFrom 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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50 POINTS !!
PLEASE HELP !! ILL GIVE BRAINLIEST TO THE RIGHT ANSWERS.
Answer:
c = 90
Step-by-step explanation:
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
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?
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]²
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]²
… = 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]²
… = 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]
Any help would be appreciated! :)
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)
3a+14b
I'm not good at math, it's my weakest subject
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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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
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.
What value of k makes the following equation true? k + 6 = 18 A) 13 B) 10 C) 12 D) 11
Answer:
C
Step-by-step explanation:
We replace k with 12
12 + 6 = 18
This it's true
Thus, the answer is C
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?
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
Answer: 24
Step-by-step explanation:
24/3=8
We have a circle with a diameter of 6.5 km. What is the area of this square ?
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 :)
a(n)=
2
3
(−2)
n−1 what is the 3rd term in sequence
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.
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Find the sum of the arithmetic sequence.
3, 5, 7, 9, ..., 21
Choices:
39
120
20
23
Answer:
23
Step-by-step explanation:
5-3=2
7-5=2
21+2=23
its adding 2 each time the numbers change
3 1/4 - 5/8 as a fraction
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:
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.
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.
Round your answer to 1 decimal place if needed.
NK =
JK =
The measure of arc MK =
degrees
The measure of arc JPK =
degrees
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 measuresFrom 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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solve for inequality for graph y + 4 > 1/2 {x + 2}
Answer:
y > X/2 - 3
I think that's the answer.