Answer:
Let x be the number of hours for 1.74 miles
5.3 miles 3.2 hours
1.74 miles x
When you cross multiply the above numbers you get the equation:
5.3x = 5.568
x = 5.568/5.3
x = 1.05
Therefore it takes 1.05 hours to walk 1.74 miles.
What is the answer to 5x-10<20
Answer:
awts gege masakit walangya 123456880
Round 496,516 to the nearest thousand
Answer:
500,516
Step-by-step explanation:
The probability that the parking lot of a mall is full on a holiday is 0.19. The probability that it is a holiday is 0.29. What is the probability that the parking lot is full given that today is a holiday?
66%
15%
5.51%
Answer:
66%
Step-by-step explanation:
Use conditional probability.
P(full | holiday) = P(full AND holiday) / P(holiday)
P(full | holiday) = 0.19 / 0.29
P(full | holiday) ≈ 0.66
Answer:
I'm sure the answer is 15%
Step-by-step explanation:
What is the value of Box
A?
answer choices:
a. $3,000
b. $2,700
c. $0
d. $300
Answer:
It maybe 300.
how much kinetic energy does a 4 kg cats have while at 9 m/s
Answer:
162 Joules
Step-by-step explanation:
Remember, the equation for the kinetic energy of an object is:
[tex]K=\frac{1}{2}mv^{2}[/tex]
where m is the mass of the object in kg (kilograms), v is the velocity of the object in m/s (meters per second), and K is the kinetic energy of the object in J (joules).
We are given that the cat's mass is 4 kg. We will use this for m. We are also given that the cat is moving at 9 m/s. This would be it's speed. We can use this for velocity, or v. Plugging in we get:
[tex]K=\frac{1}{2}mv^{2}=\frac{1}{2}(4)(9)^{2}=(2)(81)=162[/tex]
So K, or the kinetic energy, would be 162J.
I hope you find my answer and explanation to be helpful. Happy studying.
What are the solutions of this quadratic equation?
x2 − 10x = -34
The roots of the equation are imaginary numbers, 5+6i, 5-6i.
What is a Quadratic Equation?A quadratic equation is what can be written in the form of ax²+bx+c=0
The quadratic equation is
x² -10x = -34
x² -10x +34 = 0
The roots formula for a quadratic equation is given by
[tex]x = \dfrac{ -b \pm \sqrt{b^2 -4ac}}{2a}[/tex]
Here a = 1
b = -10
c = 34
The roots of the equation are
[tex]x = \dfrac{ 10 \pm \sqrt{(-10)^2 -4*34}}{2}[/tex]
[tex]\rm x = \dfrac{ 10 \pm \sqrt{-36}}{2}\\\\\\x = 5 \pm 6i[/tex]
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Klara sold 45 tickets to the school play, which is 3 times as many as the number of tickets sold by John. How many tickets did John sel show how you know
Answer:
15
Step-by-step explanation:
45 divided by 3 equals 15
45 ÷ 3 = 15
Hi there!
Clue: x3 less than the tickets Klara sold...
Divide both terms:
[tex]45[/tex]÷[tex]3=15[/tex]
Tickets: 15
Graph y= -2x + 5. Help please.
Answer y intercept is 5, then move 2 units down from 5, then 1 unit to the right which is now (1, 3). So jus keep moving 2 units down and 1 unit to the right.
URGENT 50 PTS AND BRAINLIEST FOR A CORRECT ANSWER THAT EXPLAINS WELL
A
Find an equation of the circle and sketch it if it has: Tangent to x-axis, r=4, contains (–5,8)
B
Find an equation of the circle and sketch it if it has:
Diameter endpoints (2, 5) and (0, 3)
C
Find an equation of the circle and sketch it if it has:
Center on x=3, tangent y-axis at (0, 5)
Answer:
A. [tex](x+5)^2+(y-4)^2=16[/tex]
B. [tex](x-1)^2+(y-4)^2=2\\[/tex]
C. [tex]$\left(x-3\right)^2+\left(y-5\right)^2=9$[/tex]
Step-by-Step Explanation:
A. Tangent to x-axis, r=4, contains (-5,8)
The equation of a circle is this: [tex](x-h)^2+(y-k)^2=r^2\\[/tex]
Therefore, we know that our equation will be: [tex](x-h)^2+(y-k)^2=4^2=16[/tex]
Because the circle is tangent to the x-axis, the point (-5,8) will be the top of the circle.
Therefore, the center is (-5,4), where -5=h and 4=k.
The answer is [tex](x+5)^2+(y-4)^2=16[/tex]
B. Diameter endpoints (2,5) and (0,3)
To solve for the diameter, we can use this equation: [tex]d=\sqrt{(x_{1}-x_{2})^2+(y_{1}-y_{2})^2 }[/tex]
[tex]d=\sqrt{(2-0)^2+(5-3)^2 }\\\\d=\sqrt{2^2+2^2}=\sqrt{4+4} =\sqrt{8}= 2\sqrt{2}[/tex]
Because the radius is half of the diameter, [tex]r=\sqrt{2}[/tex]
Therefore, we know that our equation will be: [tex](x-h)^2+(y-k)^2=(\sqrt{2}) ^2=2[/tex]
Then, we can decipher that h=1, as the midpoint of 0 and 2 is 1, and k=4, as the midpoint of 3 and 5 is 4.
The answer is [tex](x-1)^2+(y-4)^2=2[/tex]
C. Center on x=3, tangent to y-axis at (0,5)
We can see that the center is (3,5). Therefore, the equation is [tex](x-3)^2+(y-5)^2=r^2\\[/tex]
To solve for r, we can substitute the point (0,5) into the equation.
[tex](0-3)^2+(5-5)^2=r^2\\(-3)^2+(0)^2=r^2\\r^2=9[/tex]
The answer is [tex](x-3)^2+(y-5)^2=9[/tex]
Hope this helped!
construction company builds an average of 48 houses per year. How many houses per month does the company build?
Wanda is looking to rent a fog machine for a Halloween party. One company charges a $35 rental fee
and $3 per minute. A second company charges a $45 rental fee and $2 per minute. Write and solve
an equation to determine the number of minutes that Wanda can rent the fog machine for both
companies to cost the same. *
Your answer
Please awnser this for me I will urs
Answer:The equation is 35+3m=45+2m and the answer is 10 minutes.
Step-by-step explanation:
35+3m=45+2m
Subtract 35 from both sides
Then you end up with 3m=10+2m
Then you subtract 2m from both sides
Then you end up with 1m=10
Then you divide both sides by 1 and your answer will be m=10
Hanna puts $4,383 in a savings account with an annual interest rate of 5.2 percent for 3 years. Into which variable should she substitute 4,383 in the simple interest formula I = p r t?
I
p
r
t
Answer:
the CORRECT answer is p
Step-by-step explanation:
The simple interest is $683.748. Therefore, Hanna should submit 4,383 into variable p in simple interest formula.
Given that, principal (P)=$4,383, R=5.2% and T=3 years.
What is simple interest formula?The formula to find the simple interest is S.I=P×T×R/100.
Where, P= Principal, R= Rate of interest and T= Time period.
Now, S.I=4,383×3×5.2/100
=$683.748
The simple interest is $683.748. Therefore, Hanna should submit 4,383 into variable p in simple interest formula.
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Sketch 9 red counters and 4 yellow counters. How many zero pairs can you make ? How many counters do you have after you remobe the zero pira ? What do they represent ?
Answer:
You have 5 yellow counters left because you can make 4 zero pairs, the zero pairs represent the even amount that when they get added together they cancel out
Step-by-step explanation:
Yellow-1,2,3,4,
Red-1,2,3,4,5,6,7,8,9
Cancel out-1,2,3,4
Left with-5,6,7,8,9
Find the mean, u, for the binomial distribution which has the stated values of n and p. Round answer to the nearest tenth. n=676; p=0.7
Answer:
[tex]\mu=473.2[/tex]
Step-by-step explanation:
Binomial Distribution
The binomial distribution is commonly used to model the number of successes in a sample of size n drawn with replacement from a population of size N.
The mean value of a binomial distribution is given by:
[tex]\mu=np[/tex]
Where b is the number of trials and p is the success probability for each trial.
We need to find the mean value with parameters n=676 and p=0.7, thus:
[tex]\mu=676\cdot 0.7[/tex]
[tex]\boxed{\mu=473.2}[/tex]
PLEASE HELP NEED THIS DONE ASAP
Answer:
Equation: $7 + $1.25t = $43.25
Solving:
$7 + $1.25t = $43.25
$1.25t = 36.25
$1.25t = 36.25
t = 29
So the answer is 29 minutes.
a scale factor of 1 will produce a congruent image
Answer:
no factor of one
Step-by-step explanation:
If the scale factor is greater than 1, the image is an enlargement (a stretch). If the scale factor is between 0 and 1, the image is a reduction (a shrink). If the scale factor is 1, the figure and the image are congruent. The word "dilate" is often heard in relation to the human eye.
Use the equation below to find T, if W=62, m=4, and a=6
Answer:
T = 38
Step-by-step explanation:
T = 38 because:
1) Plug in all the variables into the equation
Equation: T = 62 - 4(6)
2) Next, solve the equation. First, do multiplication because of order of operations.
Equation: T = 62 - 24
3) Now just subtract 62 and 24
Equation: 38 = 62 - 24
Therefore, T = 38
Hope this helps! :D
fr tho help im slow don't skip gracias
The dosage for a medication is increased from 20 mg (milligrams) to 30 mg. What is the percent increase in the dosage?
Answer:
the percent increased in the dosage is 2%
HELP NEEEDEDDDD!!!!!!
Answer:
The answer is the middle one or B)
Step-by-step explanation:
The answer to the question is 63, and 21 times 3 is its simplest form.
Answer:
[tex]7 \sqrt{3} \times 3 \times \sqrt{3} = 7 \times 3 \sqrt{3} \times \sqrt{3} = 21 \times { \sqrt{3} }^{2} = 21 \times 3[/tex]
Which expression is equivalent to (3x+2)(3x-5)?
Answer:
9x^2-9x-10
Step-by-step explanation:
im not sure what the question is asking but if u multiply it all out that is what it equals
hope this helps
Which of the following parent functions has a domain and range of all real
numbers?
A. Cubic
B. Reciprocal
C. Quadratic
D. Absolute value
Parent functions has a domain and range of all real numbers is a Cubic function
Given :
We need to find the parent function that has a domain and range of all real
numbers.
Domain is the set of all x values and range is the set of y values.
For any cubic function there is no restriction for x
For each value of x there is a y value
So, domain and range of cubic function is set of all real numbers
For reciprocal function , there will be x in the denominator . So there will be some restriction for x.
For any quadratic function , domain is set of all real numbers. For quadratic we get U shaped graph . It means there is some restriction for y.
So range cannot be real numbers
For absolute value function , we get V shaped graph . so there is some restriction for y. Range cannot be all real numbers.
parent functions has a domain and range of all real numbers is a Cubic function
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Determinar que tipo de número racional es 34/34
Answer:
1 (Integers and whole number)
Step-by-step explanation:
Given:
Rational number = 34 / 34
Computation:
34 / 34 = 1
Integers and whole number
An integer is descriptively measured by the number without even a fraction which can be written.
what is the answer of x for this?
Angle x and angle BOC are supplementary. We know that Supplementary angles add up to 180 degrees
180 = x + 156
Subtract 156 from both sides.
24 = x
A bank manager wants to know the mean amount of mortgage paid per month by homeowners in an area. A random sample of homeowners selected from this area showed that they pay an average of per month for their mortgages. The population standard deviation of such mortgages is . a. Find a confidence interval for the mean amount of mortgage paid per month by all homeowners in this area. Round your answers to two decimal places. 1538.51 to 1627.49 dollars b. Suppose the confidence interval obtained in part a is too wide. Select all of the ways the width of this interval can be reduced.
Complete Question
The complete question is shown on the first uploaded image
Answer:
a
The 97% confidence interval is [tex]1528 < \mu < 1612 [/tex]
b
Option A and Option D are correct
Step-by-step explanation:
From the question we are told that
The sample size is n = 119
The sample mean is [tex]\$ 1570[/tex]
The population standard deviation is [tex]\sigma = \$ 211[/tex]
Generally given that the confidence level is 97% then the level of significance is mathematically represented as
[tex]\alpha = (100 - 97 )\%[/tex]
=> [tex]\alpha = 0.03[/tex]
From the normal distribution table the critical value of [tex]\frac{\alpha }{2}[/tex] is
[tex]Z_{\frac{\alpha }{2} } = 2.17[/tex]
Generally the margin of error is mathematically represented as
[tex]E = Z_{\frac{\alpha }{2} } * \frac{\sigma}{\sqrt{n} }[/tex]
[tex]E = 2.17* \frac{211}{\sqrt{ 119 } }[/tex]
=> [tex]E = 41.98 [/tex]
Generally the 97% confidence interval is mathematically represented as
[tex]\= x - E < \mu < \= x + E[/tex]
=> [tex]1570 - 41.98 < \mu < 1570 + 41.98 [/tex]
=> [tex]1528 < \mu < 1612 [/tex]
Generally looking at confidence interval we see that the width is dependent on the size of the margin of error.
Generally the margin error is directly proportional to the critical value of [tex]\frac{\alpha }{2}[/tex] which increases when the confidence level increases and vise versa
Also the margin error is inversely proportional to the square root of sample size
Hence to reduce the width of the confidence interval we need to lower the confidence level and increase the sample size
how do you find max value in a quadratic function?
Answer:
Using the equation y = ax2 + bx + c.
Step-by-step explanation:
What it 7,755 divided by 25?
Answer:
310.2
Step-by-step explanation:
Answer:
310.2
Step-by-step explanation:
c a l c u l a t o r
What is the value of x? Round to the nearest tenths place.
What is the value of -2 7/12 divided -1/6
Answer:
15.5
Step-by-step explanation:
-2 7/12 = -31/12
-31/12 ÷ -1/6 = 15 1/2 or 15.5
1. Which of the given equations are linear?
Whattttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttt is y=3x-3
Answer:
-9
Step-by-step explanation: