Answer:
The statement that best interprets the z-score is;
D. The length of the gestation period was shorter than the mean length of gestation period by 1.7 standard deviations
Step-by-step explanation:
The given parameters are;
The length of the gestation period of the cattle breed = 284 days
The standard deviation = 5.5 days
The z-score of one length of gestation period was z = -1.70
The formula for finding the z-score, z is presented as follows
[tex]Z=\dfrac{x-\mu }{\sigma }[/tex]
Where;
x = The observed value for the gestation period
μ = The sample mean length for the gestation period = 284
σ = The gestation period standard deviation = 5.5
When Z = -1.70, we have;
[tex]-1.70 =\dfrac{x-\mu }{\sigma }[/tex]
∴ x - μ = -1.7 × σ
∴ x is shorter than μ by 1.7×σ
Therefore, the length of the gestation period, x, was shorter than the mean length of gestation period, μ, by 1.7 standard deviations, σ.
Answer:
D. The length of the gestation period was shorter than the mean length of gestation period by 1.7 standard deviations
Step-by-step explanation:
Help please this is due in a few minutes will mark brainlest
Answer:
A and B
Step-by-step explanation:
Answer:
d
Step-by-step explanation:
let h (x) represent the height of a bridge at x feet from the start of the bridge. what does h (32) represent?
Answer:
It is the third one.
Step-by-step explanation:
Since the question is asking us that h(x) represents the height of the bridge the answer can be determined.
if <3 and <4 are vertical angles and m<3=9x+5 and m<4=5x+33 find <4
Answer:
68 degrees
Step-by-step explanation
If <3 and <4 are vertical angles, then <3 = <4
This means that
9x + 5 = 5x + 33
9x - 5x = 33 - 5
4x = 28
x = 28/4
x = 7
Since <4 = 5x+ 33
<4 = 5(7) + 33
<4 = 35 + 33
<4 = 68 degrees
Hence the measure of <4 is 68 degrees
In a bag of Starbursts, 30% of the candy is pink. There are 90 pink Starbursts in the bag. How many TOTAL Starbursts are in the bag?
Answer:
About 304.
Step-by-step explanat:
.=10 9/30=0.3. . . . . . . . .= 30% + 0.3. . . . . . . . .=60% 0.3. . . . . . . . .=90% = 0.9. . . 1/3 of . = 100% +0.1 1 1/3 x 3/10= 0.1Write the phrase as an expression.
18 less than a number r
expression:
Answer:
r - 18
Step-by-step explanation:
Less than means you put the 18 behind the r
Less than means subtraction
The expression for the phrase 18 less than the number r is r - 18.
What is an expression?An expression is a way of writing a statement with more than two variables or numbers with operations such as addition, subtraction, multiplication, and division.
Example: 2 + 3x + 4y = 7 is an expression.
We have,
18 less than a number r.
Number = r
This means,
r - 18
Thus,
The expression is r - 18.
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How do you estimate the mean? please help
Answer:
move the anomalous results
numbers that don go or are not similar to the other numbers
add the numbers and divide by how many numbers you added
A) Simplify (z^3)^4
B) simplify 18x^8y^5 divided by 2x^5y
Answer:
A)z12 B)9x^3 y^4
Step-by-step explanation:
PLEASE HELP,, MARKING BRAINLIEST!!!
Given coordinates T(10,18) and the midpoint of segment ST at (5,-8), what are the coordinates of point S?
Answer:
S = (-4, -34)
Step-by-step explanation:
T=(10, 18) is one end of the segment
the midpoint is located at (5, -8)
therefore, using the formula for midpoint, we can find the other end of the segment (point S)
Midpoint x-value = xa + (xb - xa)/2
in our case;
5 = 10 + (xb-10)/2
3 - 10 = (xb-10)/2
-7 = (xb-10)/2
-14 = xb-10
xb = -14 + 10 = - 4
Now for the y value of the midpoint:
Midpoint y-value = ya + (yb - ya)/2
in our case:
-8 = 18 + (yb - 18)/2
- 26 = (yb - 18)/2
- 52 = yb - 18
yb = -52 + 18 = -34
Then. point S is located at: S = (-4, -34)
Answer: (0, -34)
Step-by-step explanation:
[tex]M(5,-8)=(\frac{x_{1} + x_{2} }{2} ,\frac{y_{1} + y_{2} }{2})\\(5,-8)(\frac{10 + x_{2} }{2} ,\frac{18 + y_{2} }{2})[/tex]
[tex]5=(\frac{10 +x_{2} }{2})\\ 10=10+x_{2} \\-10-10\\0 = x_{2}\\x_{2} =0[/tex] [tex]-8=(\frac{18 +y_{2} }{2})\\ -16=18+y_{2} \\-18-18\\-34 = y_{2}\\y_{2} =-34[/tex]
Coordinates of point S = (0, -34)
Scott has a stamp collection. The graph below shows
how many stamps there are from each country. How
many more are there from France than from Germany?
Scott's stamp collection
Germany
59
Spain
53
France
75
England
A
16
B
134
118
18
There are 16 more stamps from France than Germany.
Option A is the correct answer.
What is an expression?An expression is a way of writing a statement with more than two variables or numbers with operations such as addition, subtraction, multiplication, and division.
Example: 2 + 3x + 4y = 7 is an expression.
We have,
Scott's stamp collection:
Germany = 59
Spain = 53
France = 75
The difference between the number of stamps between Germany and France.
= 75 - 59
= 16
Thus,
There are 16 more stamps from France than Germany.
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MARKING BRAINLIST!
Add (11x + 2) + (9x − 4).
F. 20x − 6 G. 20x − 2 H. 2x − 6 I. 2x − 2
Find the value of X and Y: 3x+9y=30 2(3x+9y)+x=64
pls help.
Answer:
x = 4 , y = 2
Step-by-step explanation:
3x+9y = 30 --------- (1)
2(3x+9y)+x = 64 ---------(2)
substitute (1) into (2)
2(30)+x = 64
60+x = 64
x = 64-60
x = 4
substitute x=4 into (1)
3x+9y = 30
3(4)+9y = 30
12+9y = 30
9y = 30-12
9y = 18
y = 18/9
y = 2
thus, x = 4 and y = 2
The Pythagorean theorem is a2+b2=c2. Solve for b.
Answer: what is a and c
Step-by-step explanation:
We need a and c to solve for b.
Write the equation in standard form
ax + by = C
y=3x+7
HELP NOW!!!!
1/2(6a+8)
Please help me
Step-by-step explanation:
Given
1/2 ( 6a + 8)
Taking common
= 1/2 * 2( 3a + 4)
= 3a + 4
Hope it will help you :)❤
Answer:
3a+4
Step-by-step explanation:
Simplify 1/2
Then you should do 1/2*(6a+8)
Then you pull out the like terms
6a + 8 = 2* (3a + 4)
Answer:
3a + 4
Will give brainless if you answer now .
Put all angles in order from largest to smallest .
What is the x-value at which the graphs of y = x2 – 2x + 1 and y = x2 + 2x – 7 inter-
sect?
Answer:
x = 2
Step-by-step explanation:
Both equations are equal to y, so they're also equal to each other. We then set them equal to each other:
x^2 - 2x + 1 = x^2 + 2x - 7
We now do algebra to isolate x. Subtract 1 from both sides.
x^2 - 2x = x^2 + 2x - 8
Subtract 2x from both sides.
x^2 - 4x = x^2 - 8
Subtract x^2 from both sides.
-4x = -8
Divide both sides by -4.
x = 2
4) Find mZJIH.
A) 160°
C) 150°
B) 123°
D) 103
Answer:
150 (i think)
Step-by-step explanation:
Choose the fraction that is equal to:
Answer:
245/999
Step-by-step explanation:
what is 30% of 25.45?
Answer:
7.635
Step-by-step explanation:
i hope it helps:)
Answer:
7.635
Step-by-step explanation:
25.45 × 0.3 = 7.635
how do i reflect over the y-axis if one point is over the y-axis?
Answer:
Coordinates of point B':
B' = (-1, -4)
Explanation
To reflect a point or a figure across the x-axis we use the rule:
→
In other words, we multiply the y-coordinate of our points by -1, while leaving the original x-coordinate as it is.
Let's apply the rule to every point of our triangle :
A = (2, 1)
A' = (2, 1*-1) = (2, -1)
B = (-1, 4)
B' = (-1, 4*-1) = (-1, -4)
C = (3, 7)
C' = (3, 7*-1) = (3, -7)
All the credit goes to cerverusdanteMelissa makes and sells necklaces and bracelets. One day she made a total of 28 pieces of jewelry. On this day the number of bracelets crafted was 4 more than twice the number of necklaces.How many of each type of jewlery did she make that day
Answer:
Number of necklaces = 8
Number of bracelets = 20
Step-by-step explanation:
Given that:
Mellisa is making and selling the necklaces and bracelets.
Number of pieces of jewelry made on one day = 28
Number of bracelets was 4 more than the twice the number of necklaces.
To find:
Number of each type of jewelry made = ?
Solution:
Let number of bracelets = [tex]b[/tex]
Let number of necklaces = [tex]n[/tex]
As per question statement:
[tex]b+n=28[/tex] ...... (1)
[tex]b = 2n+4[/tex] ...... (2)
Putting the value of [tex]b[/tex] in equation (1):
[tex]2n+4+n=28\\\Rightarrow 3n = 28-4\\\Rightarrow 3n = 24\\\Rightarrow n =\bold{8}[/tex]
By equation (1):
[tex]b + 8 =28\\\Rightarrow b = \bold{20}[/tex]
So, the answer is:
Number of necklaces = 8
Number of bracelets = 20
PLZZZZZZZZZZZZZZZZZZZZZZZZZZZZ HELP SHOW YOUR WORK
Answer:
Step-by-step explanation 121 is the answer and it doesn't let me show work.
A circle has a radius of 4 x^3 y^5 cm. The area of a circle can be found using A equals pi r^2
What is the area of this circle in square centimeters?
Answer:
Step-by-step explanation:
There are two other important distances on a circle, the radius (r) and the diameter (d). The radius, the diameter, and the circumference are the three defining aspects of every circle. Given the radius or diameter and pi you can calculate the circumference. The diameter is the distance from one side of the circle to the other at its widest points. The diameter will always pass through the center of the circle. The radius is half of this distance. You can also think of the radius as the distance between the center of the circle and its edge.
This diagram shows the circumference, diameter, center, and radius on a circle.
The Garcia family started the day with 222 gallons of milk. They drank 111 quart of milk for breakfast and 3 pints for lunch. How many pints of milk did the Garcia family have left after lunch?
Answer:
11 pints of milk the Garcia family have left after lunch.
Step-by-step explanation:
The Garcia family started the day with 2 gallons of milk.
They drank 1 quart of milk for breakfast and 3 pints for lunch.
Since, 1 gallon = 8 pint
2 gallon = 16 pint
and 1 quart = 2 pint
Left amount = 16 pint - ( 2pint + 3pint)
= 16-5
= 11 pints
Hence, 11 pints of milk the Garcia family have left after lunch.
what expression is equivalent to (3c^2d^3)^2
Answer:
[tex] 9 {{c}^{4} } {{d}^{6} }[/tex]
Step-by-step explanation:
[tex](3c^2d^3)^2 \\ \\ = {(3)}^{2} {( {c}^{2} )}^{2} {( {d}^{3} )}^{2} \\ \\ = 9 {{c}^{4} } {{d}^{6} }[/tex]
this is where you can use your pickup lines without getting in trouble
Answer:
Are u a door, because u left me on open..
Step-by-step explanation:
Solve the equation | z - 12 = 9
Answer:
21
Step-by-step explanation:
21-12=9
Answer:
z - 12 = 9
z = 9+12
z=21
7 qt. of a 27% saline solution was mixed
with 3 qt. of a 17% saline solution. What
is the concentration of the mixture?
Answer:
24% saline
Step-by-step explanation:
Find how much saline is in both solutions:
7(0.27)
= 1.89
3(0.17)
= 0.51
Add this together:
1.89 + 0.51
= 2.4
Since there are 10 quarts in total, the concentration of the mixture can be found by dividing 2.4 by 10:
2.4/10
= 0.24
So, the concentration of the mixture is 24% saline
X+4y=3
-5x - 20y = –15
A) what is the solution?
B) please explain with work shown, how you know your solution in part A is correct.
Answer:
Multiply (1) by 5.
5x+20y=15
-5x-20y=-15.
Add
0=0.
Infinetly many solutions.
I know this is correct because if i do -(-5x-20y=-15)
it will be 5x+20y=15 which is the same as (1)
Hope this helps plz hit the crown :D
Answer:
sorry but it is undefined
please help me before i fail!! Find the solution(s) of the following equation.
c^2 = 144/169
Choose all answers that apply:
A) c = 12/13
B) c = -12/13
C) c = 14/15
D) c = -14/15
E) None of the above
Answer: A or B but really A
Step-by-step explanation:
c² = 144/169
√c² = √144/169
c = 12/13
or
-12/13² = 144/169
Hope that helped! I recommend choosing A
The solutions to the equation c² = 144/169 are c = 12/13 and c = -12/13, as they satisfy the equation when substituted into it. Thus, options A and B are the correct answers.
The equation is given as follows:
c² = 144/169
To find the solutions of the equation c² = 144/169, we can take the square root of both sides of the equation.
√(c² = ±√(144/169)
Since the square root of a number can be positive or negative, we have two possibilities for the solutions:
c = ±√(144/169)
Simplifying the square root of 144/169 gives:
c = ±(12/13)
So, the solutions to the equation are:
A) c = 12/13
B) c = -12/13
Therefore, options A and B are the correct answers.
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