Answer:
A. is the answer because 1600 meters is a full mile, therefore 800 would have to be half of it
PLEASEEEE HELP PLZZZZZZZZZZZZZZZZZZZZZZZZZZZ
Answer:
36 and 45
Step-by-step explanation:
Help me with this……..
Answer:
3239609472 Km
Step-by-step explanation:
A game includes spinning a spinner with numbers 1–5 and rolling a number cube with numbers 1–6.
What is the probability of spinning an even number and rolling a 5?
The values of the probability from spinning the spinner and rolling the cube are;
Probability that the spinner lands on an even number = 2/5Probability of rolling a 5 on the number cube = 1/6Pthe joint probability of the spinner landing on an even number and rolling a 5 = 1/15What is the probalibilty of an evdent?Probability is a measure of the liklihood that an event will occur. The probability of an event = Number of times the event occurs ÷ Sum of the frequencies of all possible events.
Numbers on the spinner are; 1, 2, 3, 4, and 5
Numbers in the number cube = 1, 2, 3, 4, 5, and 6
The probability of an event = The number of required outcomes ÷ The number of possible outcomes
The possible even numbers on the spinner = 2, and 4
The number of even numbers in the spinner = 2
The number of possible numbers on the spinner = 5
The ratio of the number of even numbers to the number of possible numbers, which is the probability of spinning an even number, therefore is; P(E) = 2/5
The number of 5s on the cube = 1
The number of possible numbers on the cube = 6
The probability of rolling a 5 on the number cube is therefore, p(5) = 1/6
The probability of landing on an even number and rolling a 5, P(E) × P(5) is therefore;
P(E) × P(5) = (2/5) × (1/6) = 2/30 = 1/15Learn more about probability here: https://brainly.com/question/51579
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Answer:
Probability of spinner landing on an even number-2,5
Probability of rolling a 5
on number cube-1,6
Probability of spinner landing on an even number and rolling a 5-1,15
Step-by-step explanation:
bc
find the first four terms of the sequence given by the following
Answer:
42, 38, 34, 30
Step-by-step explanation:
You want the first 4 terms of the sequence described by ...
an = 42 -4(n -1), n ∈ ℕ
Arithmetic sequenceYou can write the first 4 terms of the sequence by evaluating the 'an' expression for n = 1, 2, 3, 4.
Or, you can recognize the expression describes a sequence with a first term of 42 and a common difference of -4. That is, each term is 4 less than the one before.
The terms you want are ...
42, 38, 34, 30
__
Additional comment
The equation for the n-th term of an arithmetic sequence is ...
an = a1 +d(n -1)
where a1 is the first term, and d is the common difference. Comparing this to the given equation, we see a1 = 42, d = -4.
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PLS HELP ILL GIVE BRAILSIT
Which of the following is a true statement about the angles in the figure below?
Answer:
i think its A sorry if im wrong
Step-by-step explanation:
Solve for e 16-3e=7/5e+11.6
Answer:
e =1
Step-by-step explanation:
\(16-3e=\frac{7}{5} e +11.6\\4.4-3e=\frac{7}{5}e\\4.4=\frac{22}{5} e\\22=22e\\1=e\)
which of the following lines are parallel.
Lines a and b
lines a and c
Lines b and c
The lines which are parallel are none.
What is the slope?The slope is the ratio of the vertical changes to the horizontal changes between two points of the line.
m = ( y₂ - y₁ ) / ( x₂ - x₁ )
where (x₁, y₁) and (x₂, y₂) are the two points that you are trying to find the slope between.
Given;
Coordinates of three lines
a;(1,5) and (-2,-4)
b;(3,2) and (1,-4)
c;(6,1) and (-4,2)
Now, slopes of the lines
a= -4-5/-2-1
=10/3
b=-4-2/1-3
=-3
c=2-1/-4-6
=1/-10
Therefore, by slopes of the line none of them are parallel.
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Multi step equations!
No links, thank you<33
Answer:
22/5
Step-by-step explanation:
3m+18+2m=40
5m=40-18
5m=22
m=22/5
\( \bf \large \longrightarrow \: 3m \: + \: 18 \: + \: 2m \: = \: 40\)
\( \bf \large \longrightarrow \:5m \: + \: 18 \: = \: 40\)
\( \bf \large \longrightarrow \:5m \: = \: 40 \: - \: 18\)
\( \bf \large \longrightarrow \:5m \: = \: 22\)
\( \bf \large \longrightarrow \:m \: = \: \frac{22}{5} \\ \)
\( \bf \large \longrightarrow \:m \: = \: \cancel\frac{22}{5} \: \: ^{4.4} \\ \)
\( \bf \large \longrightarrow \:m \: = \: 4.4\)
Can some one explain Quadratic Equations to me, i to get how to slove them, could you show me how it works on this problem, y^2=2y+63, thanks soo much :)
Here you go! I apologize if it makes no sense. I write my notes and practice problems super weirdly.
1. Two crucial tasks inherent in the initial stage of group therapy are orientation and ______________.
2. Ambiguity and lack of a structured approach in groups often lead to:
Two crucial tasks inherent in the initial stage of group therapy are orientation and establishing group norms.Ambiguity and lack of a structured approach in groups often lead to confusion, inefficiency, and potential challenges.
Orientation involves providing essential information to group members about the purpose, goals, and guidelines of the therapy group.
It helps individuals understand what to expect, builds trust, and creates a sense of safety and predictability within the group. Orientation may include discussing confidentiality, group rules, expectations, and addressing any questions or concerns.
Establishing group norms involves collaboratively developing shared guidelines and expectations that govern the behavior and interactions within the group. This process allows group members to contribute to the creation of a supportive and respectful group climate. Group norms help set boundaries, encourage open communication, and foster a sense of cohesion among members.
Without clear structure and guidance, group members may struggle to understand their roles, goals, or the process of the group therapy. Ambiguity can hinder progress, create frustration, and impede meaningful communication.
Lack of structure may also result in difficulty managing conflicts, decision-making, or time management within the group. It can lead to unequal participation, power struggles, and a lack of accountability.
To address these issues, it is important for group therapy to provide a clear framework, establish ground rules, and facilitate structured activities or interventions that promote clarity, engagement, and progress. A structured approach helps create a supportive environment, enhances group dynamics, and maximizes the therapeutic benefits of the group process.
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The number of 22 cent stamps, n, can be found by solving the equation: 22n + 17(20 − n) = 400
How many 22 cent stamps are in the book?
Answer:
12
Step-by-step explanation:
22n + 17(20 - n) = 400 ← distribute parenthesis and simplify left side
22n + 340 - 17n = 400
5n + 340 = 400 ( subtract 340 from both sides )
5n = 60 ( divide both sides by 5 )
n = 12
there are 12, 22 cent stamps in the book
According to the graph below. What is the
distance traveled in seven hours?
i say its 280 miles because the point is at half of 320 and 240 and 320-240 is 80 and half of eithegy is 40 therefore 240+40 is 280
suppose you have a sample of 29 women over 35 who have not previously given birth who exercise daily, and who have an average duration of labor of 17.3 hours and a sample variance of 37.2 hours. you want to test the hypothesis that women over 35 who have not previously given birth and who exercise daily have a different duration of labor than all women over 35 who have not previously given birth.
There is not enough evidence to support the claim that women who exercise daily have a significantly different duration of labor than all women.
Standard error sm = 1.634
Test statistic t = 1.102
P-value = 0.28
This is a hypothesis test for the population mean.
The claim is that women who exercise daily have a significantly different duration of labor than all women.
Then, the null and alternative hypothesis are
\(H_{0}\) : μ=16
\(H_{0}\) : μ≠ 16
The significance level is 0.05.
The sample has a size n=29.
The sample mean is M=17.8.
As the standard deviation of the population is not known, we estimate it with the sample standard deviation, that has a value of s=√77.4=8.8.
The estimated standard error of the mean is computed using the formula:
\(s_{M}\) = \(\frac{s}{\sqrt{n} }\) = \(\frac{8.8}{\sqrt{29} }\)= 1.634
Then, we can calculate the t-statistic as
t=(M-μ)/(s/\(\sqrt{n}\))=(17.8-16)/1.634)=1.102
The degrees of freedom for this sample size are:
df=n-1=29-1=28
This test is a two-tailed test, with 28 degrees of freedom and t=1.102, so the P-value for this test is calculated as (using a t-table):
\(P_{value}\)=2.P(t≥1.102)=0.28
As the P-value (0.28) is bigger than the significance level (0.05), the effect is not significant.
The null hypothesis failed to be rejected.
There is not enough evidence to support the claim that women who exercise daily have a significantly different duration of labor than all women
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(WILL GIVE BRAINLIEST) Which expression is equivalent to -3(y-4)? A. -3y - 4 B. -3y + 4 C. -3y - 12 D. -3y + 12
Answer:
-3y+12
Step-by-step explanation:
Answer:
D. -3y + 12
Step-by-step explanation:
-3(y) x -3(-4)
-3y + 12
Pool A starts with 300 gallons of water. It has a leak and is losing water at a rate of 6 gallons of water per minute. At the same time, Pool B starts with 400 gallons of water and also has a leak. It is losing water at a rate of 10 gallons per minute. The variable t represents the time in minutes. After how many minutes will the two pools have the same amount of water? How much water will be in the pools at that time?
Answer:
25 minutes
150 gallons
Step-by-step explanation:
Definition of variables
Let t = time in minutes
Let V = volume in gallons
Create two equations with the given information:
Pool A
Starting volume = 330 gallonsLeak rate = 6 gallons/min⇒ V = 300 - 6t
Pool B
Starting volume = 400 gallonsLeak rate = 10 gallons/min⇒ V = 400 - 10t
To find after how many minutes the two pools will have the same amount of water, substitute the equation for pool A into the equation for pool B and solve for t:
⇒ 300 - 6t = 400 - 10t
⇒ 300 - 6t + 10t = 400 - 10t + 10t
⇒ 300 + 4t = 400
⇒ 300 + 4t - 300 = 400 - 300
⇒ 4t = 100
⇒ 4t ÷ 4 = 100 ÷ 4
⇒ t = 25
Therefore, the two pools will have the same amount of water after 25 minutes.
To find how much water will be in the pools at that time, substitute the found value of t into one of the equations and solve for V:
⇒ V = 400 - 10t
⇒ V = 400 - 10(25)
⇒ V = 400 - 250
⇒ V = 150
Therefore, the amount of water in the pools at the time when they have the same amount of water is 150 gallons.
If time be x and volume be y
The equations are
y=300-6ty=400-10tEquate and solve
300-6t=400-10t4t=100t=25minNow
y=400-10(25)y=400-250y=150gallonsHellllp 30 points and brainliest
Answer:
enjoyyyyy......... I think NUM one I need an equation so can answer the questions of nun one
Larry was paid a total of $30 for raking leaves for 8 hours. This rate is constant. What will be the total amount that Larry will be paid for raking leaves for 20 hours of work
Answer:
Step-by-step explanation:
one hour makes 3.75
20*3.75 = 75
Hello! I got this one wrong and need to know how to properly do this type of problem in the future.
Given:
\(y=-16t^2+vt+h\)Let's find the height of the ball, y, when:
t = 2 seconds
h = 20 ft
v = 72 ft/s
Plug in the values in the equation and solve for y.
We have:
\(\begin{gathered} y=-16(2)^2+72(2)+20 \\ \\ y=-16(4)+144+20 \\ \\ y=-64+144+20 \\ \\ y=100 \end{gathered}\)Therefore, the height of the ball is 100 ft.
ANSWER:
100 ft.
Answer: 100ft
If
t = 2 seconds
h = 20 ft
v = 72 ft/s
Then the answer from the question has to be
100ft
Determine the domain of the following graph
Answer:
given
Step-by-step explanation:
domains is always the horizontal which is (x) so domain is (6,-9)
what operation should be used to solve x/3 = 15
Answer:
please tag brainliest
cross multiplication operation i.e
x= 45
Step-by-step explanation:
Selina invests £2000 in a savings account for 3 years.
The account pays compound interest at a rate of 2.5% per annum.
Calculate the total amount of interest Selina will get by the end of the 3 years.
Selina will get £153.78 of interest by the end of 3 years.
Calculate the total amount of interest Selina will get by the end of the 3 years?To calculate the total amount of interest Selina will get by the end of 3 years, we need to use the compound interest formula:
A = P\((1 + r/n)^{(nt)}\)
where:
A = the amount of money at the end of the time period
P = the principal amount (the amount initially invested)
r = the annual interest rate (as a decimal)
n = the number of times the interest is compounded per year
t = the time period (in years)
In this case, we have:
P = £2000 (the amount initially invested)
r = 2.5% per annum = 0.025 (as a decimal)
n = 1 (the interest is compounded annually)
t = 3 (the time period is 3 years)
So, plugging in the values into the formula, we get:
A = 2000\((1 + 0.025/1)^{(1×3)}\)
= 2000\((1.025)^{3}\)
= 2000(1.07689)
= £2,153.78 (rounded to the nearest penny)
To find the total amount of interest Selina will get, we need to subtract the principal amount from the final amount:
Total interest = £2,153.78 - £2,000
= £153.78
Therefore, Selina will get £153.78 of interest by the end of 3 years.
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registrants at a large convention are offered 6 sightseeing tours on each of 3 days. in how many ways can a person arrange to go on a sightseeing tour planned by this convention?
The registrants would be able to see the 6 sightseeing tours in 18 ways.
Here it is given that the convention has organized the 6 sightseeing tours on 3 days each.
This implies that the 6 sightseeing tours are available on all three days.
Hence, the registrants would be able to book the tour on any of the one days.
Hence, on day 1
the registrants will be able to tour in ways
On day 2
the registrants would again be able to tour in 6 ways,
Similarly on day 3, they will again be able to tour in 6 ways.
Since they need to choose either of the days given, the total number of ways to tour will be
no.of ways for day 1 + no. of ways for day 2 + no. of d6ays for day 3
= 6 + 6 + 6
= 18 ways
Hence, they can go on a sightseeing tour in 18 ways.
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what is -2 l2x - 4l +1 = -2
Answer: x= 11/4 or 5/4
Step-by-step explanation:
To make the absolute value term positive, both sides are multiplied by (-1). 2|2x-4| = 3
The Absolute Value term is 2|2x-4|
For the Negative case we'll use -2(2x-4)
For the Positive case we'll use 2(2x-4)
Negative Case
Multiply -4x+8 = 3
Rearrange and Add up -4x = -5
Divide both sides by 4 -x = -(5/4)
Multiply both sides by (-1) x = (5/4)
Positive Case
Multiply 4x-8 = 3
Rearrange and Add up 4x = 11
Divide both sides by 4 x = (11/4)
x-interecpt of 2x−y+6 = 0.
Answer:
x- intercept = - 3
Step-by-step explanation:
to find the x- intercept , where the line crosses the x- axis, let y = 0 in the equation and solve for x
2x - 0 + 6 = 0
2x + 6 = 0 ( subtract 6 from both sides )
2x = - 6 ( divide both sides by 2 )
x = - 3 ← x- intercept
Which term is -39 in the sequence 33,25,17,9,1,-7,...
Answer:
10th term is the answer
Step-by-step explanation:
33-8= 25
25-8= 17
17-8= 9
9-8= 1
1-8= -7
-7-8= -15
-15-8= -23
-23-8= -31
-31-8 = -39
what is the length of PR?
Answer:
nhgfdsazxcvb
Step-by-step explanation:
hfdcvbn
i thought of a number. four times the number increased by 30 equals 70 decreased by the number. what was my number?
Answer:
number is 8
Step-by-step explanation:
let n be the number then 4 times the number is 4n and increased by 30 means adding 30 to it , that is 4n + 30
70 decreased by the number means subtracting n fro 70 , 70 - n
then
4n + 30 = 70 - n ( add n to both sides )
5n + 30 = 70 ( subtract 30 from both sides )
5n = 40 ( divide both sides by 5 )
n = 8
Can someone PLEASE help me ASAP? It’s due today!! I will give brainliest
Answer:
2πr²
Step-by-step explanation:
The area of a circle is found out using the formula πr² and as we know that we are trying to find the area of circles on both ends of the soup, we are aware that they would be circles
Furthermore, we have to make sure that we put the 2 in front as we are finding the area of both the top and bottom meaning that we are finding the area of two circles.
Hope this helps, have a lovely day! :)
2.3 repeating as a fraction
Answer:
First, we can write:
x = 2 . ¯ 3
Next, we can multiply each side by 10 giving:
10 x = 23 . ¯ 3
Then we can subtract each side of the first equation from each side of the second equation giving:
10 x − x = 23 .¯ 3 − 2 . ¯ 3
We can now solve for x as follows:
10 x − 1 x = ( 23 + 0 . ¯ 3 ) − ( 2 + 0 . ¯ 3 ) ( 10 − 1 ) x = 23 + 0 . ¯ 3 − 2 − 0 . ¯ 3
9 x = ( 23 -2 ) + ( 0 . ¯ 3 − 0 . ¯ 3 )
9 x = 21 + 0
9 x = 21
9 x /9 = 21 /9
9 x /9 = 3 × 7 /3 × 3
x = 3 × 7 /3 × 3
x = 7 /3
Hope this helps!
Plz mark brainliest! ☜(゚ヮ゚☜)
write an inequality representing I, the number of outfits she can buy while staying within her budget
Anna has $540 to spend at the bicycle shop → this means that she can spend the $540 or less, you can symbolize this as ≤ $540
Her costs include:
• A bicycle for ,$402.87
,• 3 bicycle reflectors for $10.97/each, the total will be 3*10.97=,$32.91
,• A pair of bike gloves for ,$14.42
,• With the remaining money, she wants to buy as many biking outfits as possible. Let "o" represent the number of outfits she can buy, considering each one costs $44.90, then the total cost for the outfits can be symbolized as ,$44.90o
The calculation for her total expenses is the sum of everything she buys:
"Bicycle"+"Reflectors"+"Gloves"+"Outfits"≤$540
Using the costs listed above the expression is
\(402.87+32.91+14.42+44.90o\leq540\)Simplify the like terms, i.e. add the alone numbers together
\(450.20+44.90o\leq540\)