Answer:
v = -3
General Formulas and Concepts:
Algebra I
Equality Properties
Multiplication Property of EqualityDivision Property of EqualityAddition Property of EqualitySubtraction Property of EqualityStep-by-step explanation:
Step 1: Define
Identify given.
-6(v + 4) = -6
Step 2: Solve for v
[Division Property of Equality] Divide -6 on both sides:∴ the value of v is equal to -3.
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Topic: Algebra I
The longest game in baseball history lasted eight hours and 25 minutes between the Pawtucket Red Sox in the Rochester Red Wings convert this time to seconds
Answer:
30,300 seconds
Step-by-step explanation:
There are 60 minutes in each hour, and 60 seconds in each minute. The total time is found by multiplying by the appropriate conversion factor.
__
minutes in the hoursThe 8 hours each have 60 minutes, so the total number of minutes in 8 hours is ...
(8 h) × (60 min/h) = 480 min
seconds in the minutesThe total number of minutes is 25 more than the number of minutes in the hours:
480 min + 25 min = 505 min
These each have 60 seconds, so the total number of seconds is ...
(505 min) × (60 s/min) = 30300 s
The game lasted 30,300 seconds.
When Camden runs the 400 meter dash, his finishing times are normally distributed with a mean of 75 seconds and a standard deviation of 3 seconds. What percentage of races will his finishing time be between 69 and 75 seconds, to the nearest tenth?
Answer
60%
Step-by-step explanation:
Im not certain but i think its 60%,because the standard deviation is 6 and that as a percent is 60%
Create and interpret tables.
ASSIGNMENT
y.=4x
Y2=422
Y3=4*
Complete the table for each function. Then
answer the questions that follow.
a=]; b=1; CE; d =
d=O
e=;f=
=
f=9=
DONE
0
0
0
1
1
4
a
b
2
С
16
d
3
e
f
g
Answer:
a = 16 b = 4 c = 8 d = 16
e = 12 f = 36 g = 64
Step-by-step explanation:
a.
Equation = [tex]y_x = 4x^{2} \\x = 1\\y_1 = 4(1)^{2} \\y_1 = 4^{2} \\y_1 = 16 \\[/tex]
b.
Equation: [tex]y_x = 4^{x} \\x = 1\\y_1 = 4^{1}\\y_1 = 4[/tex]
c.
Equation: [tex]y_x = 4x\\x = 2\\y_2 = 4(2)\\y_2 = 8[/tex]
d.
Equation: [tex]y_x = 4^{x}\\x = 2\\y_2 = 4^{2}\\y_2 = 16[/tex]
e.
Equation: [tex]y_x = 4x\\x = 3\\y_3 = 4(3)\\y_3 = 12[/tex]
f.
Equation: [tex]y_x = 4x^{2} \\x = 3\\y_3 = 4(3)^{2} \\y_3 = 4(9)\\y_3 = 36[/tex]
g.
Equation: [tex]y_x = 4^{x}\\x = 3\\y_3 = 4^{3}\\y_3 = 64[/tex]
The missing values for the function are
a= 4
b=4
c=8
d=16
e=12
f= 36
g=64
What is Function?In mathematics, a function is an expression, rule, or law that establishes the relationship between an independent variable and a dependent variable.
We have the table for three function.
Now, to find the following we have find the rate of change.
Function 1 : y= 4x
At x = 2 ; y= 8
At x= 3; y= 12
Function 2: y= 4x²
At x =1 ; y= 4
At x= 3; y= 36
Function 3 : y= [tex]4^x[/tex]
At x =1 ; y= 4
At x = 2 ; y= 16
At x= 3; y= 64
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Badia is the apprentice at the local screws and nails factory. The other day she made some six - inch nails. Charli who works next to her made one and half times as many as Badia, but Siva made twice as many as Charli. They all made a total of 110 six - inch nails.
45. How many did Badia make?
46. How many did Charli make?
47. How many did Siva make?
Answer:
45. 20
46. 30
47. 60
Step-by-step explanation:
Let :
Badia = xCharli = 1 1/2x = 1.5xSiva = 2(1.5)x = 3xSolving
x + 1.5x + 3x = 1105.5x = 110x = 20Solution
Badia = 20Charli = 30Siva = 60Answer:
Badia made 20 nails
Charli made 30 nails
Siva made 60 nails
Step-by-step explanation:
Let b = number of nails Badia made
Let c = number of nails Charli made
Let s = number of nails Siva made
Given:
Charli made one and half times as many as Badia⇒ Equation 1: c = 1.5b
Given:
Siva made twice as many as Charli⇒ Equation 2: s = 2c
Given:
They all made a total of 110 nails⇒ Equation 3: b + c + s = 110
Substitute Equation 1 into Equation 2:
⇒ s = 2(1.5b) = 3b
Substitute s = 3b and Equation 1 into Equation 3 and solve for b:
⇒ b + c + s = 110
⇒ b + 1.5b + 3b = 110
⇒ 5.5b = 110
⇒ b = 20
Substitute found value of b into Equation 1 and solve for c:
⇒ c = 1.5b
⇒ c = 1.5(20)
⇒ c = 30
Substitute found value of c into Equation 2 and solve for s:
⇒ s = 2c
⇒ s = 2(30)
⇒ s = 60
Therefore:
Badia made 20 nailsCharli made 30 nailsSiva made 60 nailsI need help with this
Answer:
a. 0.444444
b. 0.87
Step-by-step explanation:
a. (-2).(-4.5)
= -2 / -4.5
= 0.44444
u will do the same to the second question
If the probability of a defect with the brakes or the chain is 6 percent, what is the probability of a chain defect?
1.5 percent
2 percent
2.5 percent
3 percent
The Probability of a chain defect will be 3%.
What is probability?Probability is defined as the ratio of the number of favourable outcomes to the total number of outcomes in other words the probability is the number that shows the happening of the event.
Let B be the event that brake defect .
Let C be the event that chain defect.
Since we have given that
Probability of a brake defect P(B) = 4%
Probability of both chain and brake defect P(B∩C) = 1%
Probability of either brake or chain defect P(E∪C) = 6%
So, we need to find the probability of a chain defect.
As we know the rule of probability.
P ( B U C ) = P(A) + P (B) - P ( B [tex]\cap[/tex] C)
6 = 4 + P (C) - 1
P (C) = 3
Hence, Probability of a chain defect is 3%.
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find the value of each of the lettered angles in the diagram below
Answer:
Angle a = 114 Angle b = 114 Angle c = 66 Angle d = 66
Step-by-step explanation:
180 - 48 = 132
132/2= 66
180 - 66 = 114
Can anyone help solve this step by step?
Answer:
85.2
Step-by-step explanation:
Pictures below show my steps
so then just do 39.6+45.6
Find length AC. Give answer to 2 decimal places.
Answer:
6.62cm
Step-by-step explanation:
tan = opp/adj
opp = adj(tan)
opp = 13(tan(27))
opp = 6.62cm
A coin is flipped 150 times the results of the experiment are shown below
Heads 84
Tails 66
Witch of the fallowing statements BEST describes the experimental probability of getting heads
Answer:
See below
Step-by-step explanation:
66 out of (84+66) = 66/150 = 11/25 experimental chance of heads
this is 6% LOWER than the theoretical chance of getting heads (which is 1/2).
The coordinates of the vertices of quadrilateral HIJK are H (-2, -1), I (2, 1), J (5, 0), and K (-1, -3). Isabella states that quadrilateral HIJK is a parallelogram. Is Isabella correct? Support your answer and show all work.
Answer: No
Step-by-step explanation:
Determine the following probabilites based on a standard deck of cards
1) Pblack or heart)=
2) Pired or 10) =
3) P(Q or 6) =
4) P(5 or club) =
5) P(picture card or 4) =
6) P(black 9 or red) =
There are 52 cards total.
Hearts and diamonds are red.
Clubs and spades are black
LQ and K are called picture cards.
Answer & Step-by-step explanations:
I assume they want probability as a decimal as opposed to a fraction. I will do two questions for you, apply the same logic to all the rest.
P(Black or heart):
There are 26 black cards in a deck, and 13 (red) hearts.
26 + 13 out of 52 cards.
39 / 52 as a decimal is 0.75
P(Black or heart) = 0.75 or 75%
If wanted as a fraction, simplify your fraction down
39/52 has a common factor of 13, divide both numbers by 13
P(Black or heart) = 3/4
P(Red or 10):
There are 26 red cards and four 10's in a deck. Two of these 10's are red, so we will not double count them.
26 + 2 out of 52 cards.
28 / 52 as a decimal is about 0.54 or 54%
P(Red or 10) = 0.54 or 54%
If wanted as a fraction, simplify your fraction down
28/52 has a common factor of 4, divide both numbers by 4
P(Red or 10) = 7/13
solve the system of equations below *urgent*
7x+6y=-10
-2x+y=11
F. (-4,3)
G.(-5,1)
H.(7,9)
I. no solution
Solve. x2+5x−10=0 Enter your answers, as exact values, in the boxes
.x = or x =
Answer:
x=1.531128874 or x=-6.531128874
Step-by-step explanation:
Help me pleaseeeeeee
Answer:
See below ~
Step-by-step explanation:
A lies between 665 and 670.
Let's answer the questions asked.
A rounded to the nearest ten
As the ones place value of A is clearly greater than 5, it will round upThe nearest ten is 670A rounded to the nearest hundred
As the tens place value of A is greater than 5, it will round upThe nearest hundred is 700Answer:
try 660
Step-by-step explanation:
because get to think it already says 670 and 680 so i believe the answer is 660
The graph shows a player’s monthly home run total in two seasons.
a. Find the standard deviation of the scores of the monthly home run totals in the player’s rookie season and interpret the results. Round to the nearest hundredth.
The standard deviation is about __. The typical number of home runs differs from the mean by about __ home runs.
b. Find the standard deviation of the scores of the monthly home run totals in this season and interpret the results. Round to the nearest hundredth.
The standard deviation is about __
The typical number of home runs differs from the mean by about __ home runs.
a) standard deviation of the scores of the monthly home run totals in the player’s rookie season will be 1.29
b) The standard deviation of the scores of the monthly home run totals in this season will be 2.738
What is standard deviation?Standard deviation is defined as the amount of variation or the deviation of the numbers from each other.
a)The standard deviation of the scores of the monthly home run totals in the player’s rookie season:-
The data from the graph will be
1,0,6,2,0,2
Standard deviation is calculated as:-
[tex]\sigma = \dfrac{\sqrt{\sum(x-\mu)^2}}{N}}[/tex]
[tex]\mu = \dfrac{1+0+6+2+0+3}{6}=2[/tex]
Putting the values we get
[tex]\sigma = \dfrac{\sqrt{(1-2)^2+(0-2)^2+(2-2)^2+(0-2)^2+(3-2)^2}}{6}}=1.29[/tex]
Hence standard deviation is 1.29
b)The standard deviation of the scores of the monthly home run totals in this season
The data from the graph will be
4,6,4,8,7,13
Standard deviation is calculated as:-
[tex]\sigma = \dfrac{\sqrt{\sum(x-\mu)^2}}{N}}[/tex]
[tex]\mu = \dfrac{4+6+4+8+7+13}{6}=7[/tex]
Putting the values we get
[tex]\sigma = \dfrac{\sqrt{(4-7)^2+(6-7)^2+(4-7)^2+(8-7)^2+(7-7)^2+(7-13)^2}}{6}}=2.738[/tex]
Hence standard deviation is 2.738
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7 mi.
7 mi.
What is the length of the hypotenuse? If necessary, round to the nearest tenth.
4)
C =
miles
Question 6(Multiple Choice Worth 1 points)
(03.05 LC)
What is the volume of a sphere with a radius of 9 inches?
O 108TT
O 242TT
O 642TT
O 972TT
Answer:
972TT
Step-by-step explanation:
formula for volume of a sphere is
4/3TTr3
input the radius r as 9
4/3TT9 3
4/3TT729
4TT243
972TT
HELP!!! simplify the expression.
4√2 × 5√8
The number is between 500 and 510 it is an odd number its one place has the smallest 1 dugit number
Answer:
501
Step-by-step explanation:
Odd numbers between 500 and 510 are 501,503,505,507,509. Out of them the number has its one place the smallest 1 digit number is 501
here is another one for you all
Answer:
0.0000045
[tex]10^5 = 10 * 10 * 10 * 10 * 10 = 100,000\\\\0.45 / 100,000 = 0.0000045[/tex]
When it comes to tiny floating numbers, that means multiply a number by itself the number of times the floating exponent says to.
Answer:
[tex]0.0000045[/tex]
Step-by-step explanation:
Rewrite it as a fraction:
[tex] \frac{0.45}{ {10}^{5} } [/tex]
Calculate it:
[tex] \frac{0.45}{100000} [/tex]
Rewrite the fraction:
[tex] \frac{45}{10000000} [/tex]
Simply:
[tex] \frac{9}{2000000} [/tex]
Turn it into a decimal:
[tex]0.0000045[/tex]
Point P has the coordinates (−2,−4). Point P is dilated with a center at the origin and a scale factor of 3 to create point P'. What are the coordinates of point P'?
A) (6,12)
B) (1,−1)
C) (−2/3,−4/3)
D) (−6,−12)
Dilation centred at origin
So new coordinates are same like previous
Now scale factor is 3
So P':-
3(-2,-4)(-6,-12)Option D
Answer:
D) (−6, −12)
Step-by-step explanation:
Dilation: A type of transformation that makes the pre-image larger or smaller without changing its shape.
Center of a dilation: a fixed point about which all points are dilated.
When the center of dilation is the origin (0, 0), simply multiply the coordinates of the points of the pre-image by the scale factor to determine the points of the image after dilation.
Given:
Point P = (-2, -4)Center of dilation = (0, 0)Scale factor = 3Therefore:
⇒ P' = (-2 × 3, -4 × 3)
⇒ P' = (-6, -12)
can any one tell me how to solve this ?? I) (-121) + ______ = 11 II). (-81) ÷ 27 = ______
(Integers)
Answer:
is this the answer
Step-by-step explanation:
I (-121)+...=11
=(-121)+132
=11
II -81/27
=-3
Mathew sells half the books in his library. After
he does this, he buys 6 more books. Now he has
102 books. How many books did he have to start
with?
Can someone please solve for me
Let x = 0.263263263…
Then 1000x = 263.263263263…
Subtracting x gives
1000x - x = 263.263263263… - 0.263263263…
999x = 263
x = 263/999
how do i do this?????
[tex]\qquad\qquad\huge\underline{{\sf Answer}}[/tex]
Let's solve for x and y ~
Since the given triangle is a right angled triangle, we can use Trigonometric ratios here to get the required values
[tex]\qquad \sf \dashrightarrow \: \tan(45 \degree) = \dfrac{y}{2 \sqrt{2} } [/tex]
[tex]\qquad \sf \dashrightarrow \: 1= \dfrac{y}{2 \sqrt{2} } [/tex]
[tex]\qquad \sf \dashrightarrow \:y = 2 \sqrt{2} \: \: units[/tex]
Now, let's get to x ~
[tex]\qquad \sf \dashrightarrow \: \sin(45 \degree) = \dfrac{y}{x} [/tex]
[tex]\qquad \sf \dashrightarrow \: \dfrac{1}{ \sqrt{2} } = \dfrac{2 \sqrt{2} }{x} [/tex]
[tex]\qquad \sf \dashrightarrow \:x = 2 \sqrt{2}{} \times \sqrt{2} [/tex]
[tex]\qquad \sf \dashrightarrow \:x = 2 \times 2[/tex]
[tex]\qquad \sf \dashrightarrow \:x = 4 \: \: units[/tex]
I hope you understood the whole procedure ~
(Need help fast due today and will fail if not done today!) Select True or False for each statement about the function y = 8x2 − 4.
Answer:
1. False
2. True
3. False (Not sure about this one)
4. True
5. False
Can someone help me
5b^2+4=10b
Answer:
b = 5 ± √5 / 5
Step-by-step explanation:
Given :
5b² + 4 = 10bSubtract 10b from both sides :
5b² - 10b + 4 = 10b - 10b5b² - 10b + 4 = 0Splitting the middle term :
b = 10 ± √100 - 4(5)(4) / 10b = 10 ± √20 / 10b = 10 ± 2√5 / 10b = 5 ± √5 / 5What is the median?
767
-765
767
769
769
-770
-767
768
sumbit
Answer:
767
Step-by-step explanation:
Simplify the expression.
Answer:
D
Step-by-step explanation:
Given :
[tex]\sqrt[5]{224x^{11}y^{8} }[/tex]Solving :
The maximum number of x we can bring out is 11/5 = 2The maximum number of y we can bring out is 8/5 = 1The maximum number of 2 we can bring out : 224 = 2⁵ x 7 = 5Hence :
[tex]\sqrt[5]{224x^{11}y^{8} }[/tex]2x²y [tex]\sqrt[5]{7xy^{3} }[/tex]DAnswer:
D. [tex]\huge 2x^2y\sqrt[5]{7xy^3}[/tex]
Step-by-step explanation:
[tex]\huge\sqrt[5]{224.x^{11}.y^8}[/tex] (Given)[tex]=\huge\sqrt[5]{2^5.7.x^{10+1}.y^{5+3}}[/tex] [tex]=\huge\sqrt[5]{2^5.7.x^{10}.x.y^{5}.y^3}[/tex] [tex]=\huge 2.x^2.y\sqrt[5]{7.x.y^3}[/tex] [tex]=\huge 2x^2y\sqrt[5]{7xy^3}[/tex]