Answers
Answer:
[tex]u = 8.27[/tex]
Step-by-step explanation:
[tex]cross \: multi pling \: you \: have[/tex]
7×13=11U making U subject of formula you have 91= 11U therefore U = 91/11= 8.97Related Questions
Given f(x)=2x^2-5x+kf(x)=2x2−5x+k, and the remainder when f(x) is divided by x-1x−1 is -22−22, then what is the value of k?
Answers
Answer:
k=20
remainder=34
Step-by-step explanation:
Find the value of x. 6x/2x
help please
Answers
Answer:
A) 11.25
Step-by-step explanation:
6x+2x=90
8x=90
x=90÷8
x=11.25
mean of 500 with a standard deviation of 100. What is the probability that a randomly selected score lies between 500 to 700?
Answers
Answer: 99.7% of data will fall within 3 standard deviations of the mean. The mean is 500 and the standard deviation is 100. ... Since we are only concerned with the scores from 500 to 700, we only want the half that is greater than the mean: 95/2 = 47.5%, or 0.475.:
Step-by-step explanation:
plsss help me and I will mark u as brainliest plssss help
Answers
Answer:
In my sketch the angle between their flights is 135°
So wouldn't we just have the cosine law??
Step-by-step explanation:
x^2 = 120^2 + 150^2 - 2(120)(150)cos135°
carry on, take care with the cos135, since it will be negative
Donut $2.50
Cupcake $4.25
Ice cream $3.80
I need help finding the equation
Answers
THE TOPIC IS: AREA OF CIRCLES!! PLEASE HELP ME WITH THIS QUESTION!!! WHATS THE ANSWER?? I WILL GIVE YOU BRAINLIEST AND A THANKS!!! AND PLS PUT AN EXPLANATION!! THANK YOU GUYS SO MUCHHHH!! CAN U PLS DO BOTH OF THESE!! :))
Answers
Answer:
9) 379.94 mm2
10)19.625 ft2
Step-by-step explanation:
a=(pi)r2
a=3.14(11 mm2)
a=3.14(121 mm2)
a=3.14*121 mm2
a=379.94 mm2
a=(pi)r2
a=3.14(2.5 ft2)
a=3.14(6.25 ft2)
a=3.14*6.25ft2
a=19.625 ft2
Answer:
(I don't know where to round the numbers to, so I'll just put the full areas)
The answer to 9. is: 380.132711 mm², and the answer to 10. is: 19.6349541 ft².
Step-by-step explanation:
The formula for the area of a circle is A = πr². (A = area, π = pi, r = radius.) When you substitute the variables in the formula for the values of question #9, you get A = π(11)². (It's 11 because the radius is half of the diameter, which in this case is 22 mm.) And when you substitute the variables for the values of question #10, you get A = π(2.5)². And from there, you just finish the equations. Hope this helps :)
Which of the following is an equation of the line that has a slope of - 3 and passes through the point (-6, 2)?
Answers
Answer:
y = -3x - 16
Step-by-step explanation:
m = -3 ; (-6 , 2)
Slope point form : y - y1 = m(x -x1)
y - 2 = -3(x - [-6])
y - 2 = -3(x + 6)
y -2 = -3x + 6*(-3)
y - 2 = -3x - 18
y = -3x - 18 + 2
y = -3x - 16
Which term is a perfect square of the root 3x4?
Answers
Answer: 9x16
Step-by-step explanation: The correct option is perfect square of 3x4 is 9x16.
Find the measures of the numbered angles in each kite.
Answers
Answer:
1 = 20°
2 = 90°
3 = 70°
4 = 55°
Two traffic lights operate independently. Your probability of being stopped at the first one is 0.4 and your probability of being stopped at the second one is 0.7. The probability at being stopped at the first light and second light is 0.3. What is your probability of being stopped at the first light or second light?Make sure to show your work. NEED HELP ASAP. The correct answer was .8 I just don't know how. Thank you.
Answers
Answer:
0.54 or 54%
Step-by-step explanation:
P( 1st but not second) = P(1st) - P(1st and Second) = 0.4 - 0.28 = 0.12 = 12%
P( 2nd but not first) = P(2nd) - P(1st and Second) = 0.7 - 0.28 = 0.42 = 42%
Probability of 1 of them (exactly one) = P( 1st but not second) + P( 2nd but not first) = 0.12 (12%) + 0.42 (42%) = 0.54 or also 54%.
Hope this helps!
a. These triangles are proportional. Identify which sides match up between the two triangles. Please note sides are named from point to point so for instance the length 40 on triangle ABC is referred to as side AB. Make sure to identify all three pairs. b. Set up fractions with your side pairs to show proportionality. Do they all simplify down to the same fraction? If not please go back to Part A and remember that shapes can be rotated or reflected. Make sure to show your work demonstrating that the fractions are proportional. c. Are the triangles similar? If so explain why. If not, explain why not. Your work from Part A & B may help with this.
Answers
Answer:
a)ab and yz, ac and xy, bc and xz
b)yz = xy = xz 30 = 37.5 = 45 3 = 3 = 3
ab ac bc 40 50 60 4 4 4
c)they are similar because all sides break down to ¾
Step-by-step explanation: this is what i did on my test
Calculate the circumference.
Answers
Answer:
Circumference= 2πr
2 × π × r = 2 × 22÷7 × 2.2
= 13.82301
Answer = D
For which color is the difference between the theorectical probability and experimental probability greatest?
A.
Brown; The experimental probability is 19.52%, and the theoretical probability is 25%.
B.
Orange; The experimental probability is 18.9%, and the theoretical probability is 15%.
C.
Yellow; The experimental probability is 16.96%, and the theoretical probability is 20%.
D.
Green; The experimental probability is 22.7%, and the theoretical probability is 15%.
Answers
Answer:
The answer is D. Green; The experimental probability is 22.7%, and the theoretical probability is 15%.
Which one of the following is an equation?
O 3m + 2
3m
2
3m +2 = 11
Answers
Answer:
3m+2=11
Step-by-step explanation:
Because equation is joined with equal sign
A company charges a flat fee for shipping for items ordered online. This relationship can be represented by the equation y = x+5.50
. where x represents the cost of the items ordered and y represents the total cost including shipping.
Move numbers to the table to represent this relationship.
x
y у
1.50
2.00
8.50
5.00
15.50
1.50
1.00
2.00
2.50
3.00
4.00
3.50
4.50
5.50
6.00
6.50
7.00
5.00
7.50
8.00
8.50
9.00
9.50
10.00
10.50
11.00
12.50
11.50
12.00
14.00
13.50
14.50
13.00
15.00
15.50
16.00
16.50
Answers
I'm just borrowing a little amount of points thank you sm
which figure has the top view shown?
Answers
Answer:
the second one
Step-by-step explanation:
the first one has 2 faces maybe 1 long and 1 short
but the 2nd one has 3 faces
looking at it not from the top but sideways
Provide all of the names of the angle in the figure.
A.
B.
Answers
Answer:
>OPQ,
>QPO,
>P
Step-by-step explanation:
The point, in this case the letter at the middle of the angle. , of the triangle is a name of that angle, if you put the other letters around it, the main points letter has to be in the middle once it is at the vertex of the angle.
Can the theoretical probability of the cup landing on its side be calculated based on the information given?
Answers
Answer:
If given enough information yes
Step-by-step explanation:
If you were given the weight and the distibution of the weight and the elasticity of the cup, as well as the trajectory of the cup and the force it was thrown at, and the proportions of the cup, its shape, where it's landing, etc. You could give a definitive probability. For example, If there is more weight at the bottom of the cup it might be less probable to land on it's side
I need help. Please help
Answers
Answer:
150 degrees
Step-by-step explanation:
Answer:
You need 180 degrees for a triangle so, you subtract 150 from 180.
You get 30 degrees.
Then, you subtract 30 from 180 in order to find the degree of x.
The number for x is: 150 degrees
I hope this helps ! :)
Step-by-step explanation:
What is the value of the expressions
1. 7 (3+5) = ____ + _____
2. 15 - 10 = ____ (3-2)
Answers
Answer:
answer is below
Step-by-step explanation:
1. 7 (3+5) = 21+ 35
2. 15 - 10 = 5(3-2)
-2, 6, -18, 54: Write an explicate formula for this sequence
Answers
Answer:
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Step-by-step explanation:
Find the value of x and the measure of the angle labeled 3X°. 27° O A. x = 15; angle measure is 45°. OB. X = 9; angle measure is 27º. O c. x = 15; angle measure is 27°. D. X = 9; angle measure is 45°
Answers
Answer:
B. x=9, angle measure is 27 .
Step-by-step explanation:
sol :-
72 - 45 = 27
or 3x and 27° are the vertically opposite angles.
so :-
3x = 27
then : x = 27÷3
X= 9
what is the percentage of 750ml of 2 litres
Answers
Answer: 75%
Step-by-step explanation:
We convert 2 litres into 1000ml which leaves us with:
750/1000 x 100 = 75%
Answer:
37.5%
Step-by-step explanation:
as a percentage it is (750 * 100)/2000
= 750 / 20
= 75/2
= 37.5%.
At the start of a year , company XY’Zs stock is $40 per share. At the end, the company’s stock is $60 per share. What was the stock prices rate of return (percent increase)?
Answers
Answer:
$ 80 xyz
Step-by-step explanation:
..... ......... ..............
a rectangle has a perimeter of 6 feet .choose all possible dimensions
Answers
Options aren't given in the question. However a concise explanation will be given.
Answer:
Length = 1 ; width = 2 and vice versa
Length = 0.5 ; width = 2.5 and vice versa
Step-by-step explanation:
The perimeter of a rectangle is obtained using the formular :
Perimeter = 2(length + Width)
Hence the sum of the length and width of the rectangle multiplied by 2 should give 6
Hence, possible dimension will. Include :
A dimension whereby the sum of length and width gives 3
Length = 1 ; width = 2 and vice versa
Length = 0.5 ; width = 2.5 and vice versa
These are possible dimension of the rectangle which has a perimeter of 6
Suppose that a polynomial function of degree 4 with rational coefficients has 6, 4, square root of (6) as zeros. Find the other zero
Answers
if you answer this you will get a fat brainless. :) pls help
Answers
Bill - 4th grade - green
Dorothy - 1st grade - blue
Cathy - 3rd grade - pink
Amanda - 2nd grade - red
Hope it helps!
That is, what is the 142nd odd number?
Answers
Answer and step-by-step explanation:
I believe it is 287. I am not entirely sure, but I believe that is the answer.
At a certain university, the average attendance at basketball games has been 3125. Due to the dismal showing of the team this year, the attendance for the first 9 games has averaged only 2915 with a standard deviation of 585. The athletic director claims that the attendance is the same as last year. What is the test statistic needed to evaluate the claim
Answers
Answer:
The test statistic needed to evaluate the claim is t = -1.08.
Step-by-step explanation:
The test statistic is:
[tex]t = \frac{X - \mu}{\frac{s}{\sqrt{n}}}[/tex]
In which X is the sample mean, [tex]\mu[/tex] is the expected value of the mean, s is the standard deviation of the sample and n is the size of the sample.
At a certain university, the average attendance at basketball games has been 3125. The athletic director claims that the attendance is the same as last year.
This means that [tex]\mu = 3125[/tex]
Due to the dismal showing of the team this year, the attendance for the first 9 games has averaged only 2915 with a standard deviation of 585.
This means that [tex]n = 9, X = 2915, s = 585[/tex]
What is the test statistic needed to evaluate the claim?
[tex]t = \frac{X - \mu}{\frac{s}{\sqrt{n}}}[/tex]
[tex]t = \frac{2915 - 3125}{\frac{585}{\sqrt{9}}}[/tex]
[tex]t = -1.08[/tex]
The test statistic needed to evaluate the claim is t = -1.08.
find the area of the shaded region to the nearest tenth
Answers
Answer:
Area of shaded region = 13.07 unit² (Approx.)
Step-by-step explanation:
Given:
Given shaded region is a segment
Radius of circle = 12
Given angle = 60°
Find:
Area of shaded region
Computation:
Area of shaded region = Area of segment
Area of segment = (θ/360)(π)(r²) - (1/2)(sinθ)(r²)
Area of segment = (60/360)(22/7)(12²) - (1/2)(sin60)(12²)
Area of segment = (0.1667)(3.14)(144) - (0.5)(0.866)(144)
Area of segment = (75.42) - (62.35)
Area of segment = 13.07 unit²
Area of shaded region = 13.07 unit² (Approx.)