The given equation term of y is, y=(3/2)x-2.
What is the equation?A mathematical statement consisting of an equal symbol between two algebraic expressions with the same value is known as an equation.
Given equation in the problem is;
3x+2y=4
To solve the given equation for y first rearrange the equation and put the y variable on the left-hand side as;
2y=3x-4
Divide the whole equation by 2 we get;
y=(3/2)x-2
Hence, the given equation term of y is, y=(3/2)x-2.
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How do you answer this question?
Answer:
Step-by-step explanation:
You would have 58 hours per day of work. We need to divide 720 by 58 in order to get your answer. Because 720 is 30 days times 24 hours.
Use the given degree of confidence and sample data to construct a confidence interval for the population proportion p: n = 195, x = 162; 95% confidence.a. 0.788 < p < 0.873.
b. 0.789 < p < 0.873.
c. 0.778 < p < 0.883.
d. 0.777 < p < 0.884.
Answer:
c. 0.778 < p < 0.883.
Step-by-step explanation:
The formula for confidence interval for proportion =
p ± z score × √p(1 - p)/n
p = x/n
n = 195, x = 162
z score for 95% confidence Interval = 1.96
p = 162/195
p = 0.8307692308
p ≈ approximately equal to = 0.8308
0.8308 ± 1.96 × √0.8308 × (1 - 0.8308)/195
0.8308 ± 1.96 ×√0.8308 × 0.1692/195
0.8308 ± 1.96 × √0.0007208788
0.8308 ± 1.96 × 0.0268491862
0.8308 ± 0.052624405
Confidence Interval
= 0.8308 - 0.052624405
= 0.778175595
Approximately = 0.778
= 0.8308 + 0.052624405
= 0.883424405
Approximately = p
0.883
Therefore, the confidence interval for this proportion = (0.778, 0.883) or option c. 0.778 < p < 0.883
What is the center of the circle that has a diameter whose endpoints are (9, 7) and (-3, -5)?
Answer:
(3, 1)
Step-by-step explanation:
Midpoint of the diameter is the center
Since endpoints are (9, 7) and (-3, -5)
Midpoint will be:
((9 - 3)/2, (7-5)/2) = (3, 1)So the center is (3, 1)
Answer:
(3, 1)
Step-by-step explanation:
Midpoint of the diameter is the center
Since endpoints are (9, 7) and (-3, -5)
Midpoint will be:
((9 - 3)/2, (7-5)/2) = (3, 1)
or 3/1, 2/2 = (3,1)
So the center is (3, 1)
Solving and Simplifying Equations
5r = -3(r +3) +7
Answer:
-2/8
Step-by-step explanation:
-3r-9+7=5r
-2=5r+3r
r=-2/8
hope this helped you( ꈍᴗꈍ)
Answer:
r = -1/4
Step-by-step explanation:
5r = -3(r + 3) +7
multiplying -3 with r + 3
5r = -3r - 9 +7
taking -3r on the other side of equality sign
5r + 3r = -9 + 7
8r = -2
dividing 8 by -2
r = -2/8
simplifying -2/8
r = -1/4
This graph contains a Hamilton circuit? (Picture provided)
True
False
Michael is using a number line to evaluate the expression –8 – 3.
A number line going from negative 12 to positive 12. A point is at negative 8.
After locating –8 on the number line, which step could Michael complete to evaluate the expression?
Michael could rewrite the expression as Negative 8 + 3 and move 3 spaces to the right.
Michael could rewrite the expression as Negative 8 + negative 3 and move 3 spaces to the right.
Michael could rewrite the expression as Negative 8 + 3 and move 3 spaces to the left.
Michael could rewrite the expression as Negative 8 + negative 3 and move 3 spaces to the left.
Answer:
Micheal could rewrite the equation as negative 8 + negative 3 and move 3 spaces to the left.
Step-by-step explanation:
-8 - 3 = -8 + (-3)
The step which complete evaluate Michael expression is "Michael could rewrite the expression as negative 8 + negative 3 and move 3 spaces to the left".
What is subtraction on number line?Subtraction on a number line helps to subtract smaller numbers very easily. While subtracting numbers on a number line, we need to jump (move) towards the left-hand side of a number line. We always start with the minuend and move towards the left according to the number given as the subtrahend. 'Minuend' is the number from which we subtract and 'subtrahend' is the number which is subtracted.
According to the given question.
We have an expression -8 -3
For evaluating the given expression on number line Michael have to follow some following steps:
Step1: Michael have to locate -8 on the number line.
Step2: Michael have to move towards the left hand side of the number line according to the number given in the subtrahend. In the given expression the subtrahend is 3, so we will move 3 units left. And at -11 he have to stop.
So, -11 will be the answer of the even expression.
Hence, the step which complete evaluate Michael expression is "Michael could rewrite the expression as negative 8 + negative 3 and move 3 spaces to the left".
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Find FH
Need help ASAP !!
Answer:
FH=24
Step-by-step explanation:
37-13=24
Find the difference of 3/4 and 1/28. 5/7,21/28,11/14,23/28
Answer:
5/7, pretty sure a 4th of 21
Step-by-step explanation:
Answer:
5/7
Step-by-step explanation:
1000 coins are tossed find the probability of getting exactly 500 heads.
Answer:
probability of getting exactly 500 heads= 1
Step-by-step explanation:
If a coin is tossed, the probability of obtaining a head = 0.5
If a coin is tossed, the probability of obtaining a tail= 1- probability of obtaining a head
If a coin is tossed, the probability of obtaining a tail=1-0.5
If a coin is tossed, the probability of obtaining a tail=0.5
So if 1000 coin are tossed, the probability of getting exay 500 heads which is already the half of 1000 is 1
What numbers is 90 divisble by
90 tiene 12 divisores:
1; 2; 3; 5; 6; 9; 10; 15; 18; 30; 45; 90
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Step-by-step explanation:
What numbers are divisible by 90?
For this question, there are more than 1 answer. I am doing the number 10 because it is easier.
I have attached an image. You will have to turn the image because it was taken from mobile.
Hope this helps!
A scale drawing of a house shows 9cm
x10cm. If 6cm=12 ft, what are the actual
dimensions?
Answer:
what the answer is b
Step-by-step explanation:
hope this helped
henry begins to drain a water tank by opening a valve. Then he opens another valve. Then he closes the first valve. He leaves the 2nd valve open until the tank is empty. Discrete or Continuous?
Answer:
Continuous
Step-by-step explanation:
There is never a period of time when the water's flowing halts because the opening and closing of the first and second pipe are overlapping. Hope this helps (:
Consider triangle GHJ. What is the length of line segment HJ.
Answer:
5 sqrt 3
Step-by-step explanation:
on edge 2020
a number is multiplied by 8 and that product is added to 2. The sum is equal to the product of 2 and 25 . Find the number
Answer:
6
Step-by-step explanation:
So we have a number (let's call it x) and it was multiplied by 8 and added by 2. Therefore:
[tex]8x+2[/tex]
And we are told that the sum is equal to the product of 2 and 25 (or 50). Thus:
[tex]8x+2=50[/tex]
To find the number, we just need to find x. Thus, subtract 2 from both sides:
[tex]8x=48[/tex]
Divide both sides by 8:
[tex]x=6[/tex]
And we're done!
So, our original number was 6.
Determine how many terms should be used to estimate the sum of the entire series with an error of less than 0.001.
Answer: 9
Step-by-step explanation:
Tₙ ₊ ₁ < 0.001
1 / ( (n+1) 3 +1 ) < 0.001
(n+1)3 + 1 > 1000
(n+1)3 > 999
n+1 > 9.9966
n = 8.9966 => n = 9
I should take n = 9 to be sure that the error is less than 0.001.
example of an irrational number between 5 and 6. thank you :)
Answer: 25 and 30 is an example... hope this helped. If you have any more question lmk
If the patient is less than 70 years old, the loading dose is 80 Howell Units2 per kilogram of DM. One Howell Unit is equivalent to 0.0020 mg of pure heparin. 2. Calculate how many mg of pure heparin is in 80 Howell Units. Do not worry about the kilograms of DM yet. 00.1600mg The loading dose, in mg of heparin for a 5-year-old with a total body weight of 40 lbs., with 10% bodyfat (that is, 90% of that 40 lbs. is lean body mass). You may also be interested to know that 1 kg = 2.20 lbs. Think about the steps you need to go through to find the correct dose. Remember, first you need to find the dosing mass....
Answer:
1) 0.16 mg of pure heparin is in 80 Howell units
2) the loading dose, in mg of heparin for the 5-year-old boy is 2.618 mg
Step-by-step explanation:
Given that;
if a patient is less than 70 years of age then loading dose is 80 Howell units square per Kg of DM,
One Howell unit is equivalent to 0.0020 mg of pure heparin
1)
how many mg of pure heparin is in 80 Howell units.
that will be;
80 × 0.0020 = 0.16 mg
therefore 0.16 mg of pure heparin is in 80 Howell units
2)
First we find the dosing mass
so dosing mass = body weight of the 5year old boy × 90%
from the question his total body weight of 40 lbs and 1 kg = 2.20 lbs
so
dosing mass = 40lbs × 1kg/2.20lbs × 90/100
dosing mass(kg) = 16.37 kg
Now to calculate the Loading dose we say;
Loading dose = dosing mass × heparin required per kg
Loading dose = 16.36 kg × 0.16 mg heparin per 1kg
loading dose = 2.618 mg heparin
therefore the loading dose, in mg of heparin for the 5-year-old boy is 2.618 mg
A study was conducted on the relationship between speeds of cars and gas mileage. The correlation coefficient was 0.45. Later, the researchers found the speedometers read 5 mph too high. Researchers recomputed the coefficient. The new value will be:
Answer:
0.45
Step-by-step explanation:
The correlation coefficient is used to measure the relationship between how two variables change. In this question, the two variables are cars speed and gas mileage. Since the speedometers were wrong as they were 5 mph too high in a constant manner, then the correlation between how changes in speed affect gas mileage will not be changed.
For example, if we are measuring how an increase of 15 mph decreased gas mileage, we are looking at the change in speed and it is the same if we start with 75 mph and then increase speed to 90 mph, or if we start with 45 mph and then increase to 60 mph. The change in speed for both cases will remain unchanged at 10 mph.
Now, since we have seen that the change in speed remains unchanged and since correlation coefficient is a measure of the relationship between how two variables change, then the new value of the correlation coefficient will remain the same as 0.45.
2 5 7 Which algebraic expression represents the phrase "two times the quantity of a number minus 12"? 0 2y - 12 0 207-12) O 200 + 12) 0 2y + 12
Answer:
2y - 12
Step-by-step explanation:
1. Two times of a number n is 2n2. Minus 12 is - 123. Together it is 2n - 12Correct answer choice is:
2y - 12A tree is 4 1/2 feet tall. It is expected to grow 1 3/4 feet per year. At this growth rate, how many years will it take for the tree to have a height greater then 40 feet?
Answer:
21 years
Step-by-step explanation:
Given
[tex]Initial\ Height = 4\frac{1}{2}[/tex]
[tex]Final\ Height = 40[/tex]
[tex]Difference = 1\frac{3}{4}[/tex]
Required
Determine the years it'll take to grow to the final height
This question depicts arithmetic progression and will be solved using
[tex]T_n = a + (n - 1)d[/tex]
Where
[tex]T_n = 40[/tex]
[tex]a = 4\frac{1}{2}[/tex]
[tex]d = 1\frac{3}{4}[/tex]
Substitute these values in the given formula;
[tex]40 = 4\frac{1}{2} + (n - 1)1\frac{3}{4}[/tex]
Convert all fractions to decimal
[tex]40 = 4.5 + (n - 1) * 1.75[/tex]
Open Brackets
[tex]40 = 4.5 + 1.75n - 1.75[/tex]
Collect Like Terms
[tex]1.75n = 40 - 4.5 + 1.75[/tex]
[tex]1.75n = 37.25[/tex]
Divide both sides by 1.75
[tex]n = \frac{37.25}{1.75}[/tex]
[tex]n = 21.2857142857[/tex]
[tex]n = 21[/tex] (Approximated)
The number of years it will take for the tree to have a height greater than 40 feet is 23 years
Given:
Height of the tree = 4 1/2 feet
Growth rate per year = 1 3/4 feet
Expected growth rate = 40 feet
Expected Number of years = y
The inequality:
4 1/2 + 1 3/4y > 40
Subtract 4 1/2 from both sides
1 3/4y > 40 - 4 1/2
7/4y > 40 - 9/2
7/4y > (80-9)/ 2
7/4y > 79/2
divide both sides by 7/4
y > 79/2 ÷ 7/4
y > 79/2 × 4/7
y > (79×4) ) (2×7)
y > (316) / 14
y > 22.57142857142857
Approximately,
y > 23 years
Therefore, number of years it will take for the tree to have a height greater than 40 feet is 23 years
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9. Margie and Glenn are trying to solve the following system of equations.
5x - 4y= 23
7x + 8y = 5
Glenn thinks that the elimination method will not work. Margie is not so sure about that.
With your team, decide whether Glenn is correct and write a few sentences justifying
your conclusion. If the elimination method will work, show how. If not, use another
method to solve the system.
If a car travels 10 ft due north and then 15 feet due west, how far is the car from it starting point?
Answer:
initial velocity = o
then , answer will be 0 because initial velocity.
displacement =o
Tasha finds the length of the sides of the quadrilateral
before finding the perimeter. Which statement is true
about the length of the sides of quadrilateral ABCD?
O Side DA has a length of 13 units.
O Side AB has a length of 5 units.
O Side BC has a length of 2/5 units.
O Side CD has a length of 2/10 units.
Answer:C.
Step-by-step explanation:just took on edge
Combine these radicals.
– бу 100 +36
оооо
о – бу 136
0 – 616
What the answer!
Answer:
Answer. 5.0/5. 6.
Step-by-step explanation:
I am not doing step by step you should know this
What is 5.75 divide by 0.08
Answer:
71.875
use long division so the 5.75 goes on top of the 0.08
Multiply (2x - 3) and (3x + 6)
Answer:
Step-by-step explanation:
(2x−3)(3x+6)
=(2x+−3)(3x+6)
=(2x)(3x)+(2x)(6)+(−3)(3x)+(−3)(6)
=6x2+12x−9x−18
=6x2+3x−18
which expresions are equivalent to 3 1/4 - _ 5/8 select all that apply
2) Paul has two and two-thirds pounds of peanuts and a quarter of a pound of cashews . How many more pounds of cashews does he have
Answer:
Step-by-step explanation:
2 2/3
what is 11.510510510 as a fraction
Answer:
1151051051/100000000
Step-by-step explanation:
11.510510510 as a fraction equals 1151051051/100000000
In order to find the zeros of f(x)=x2−8x+12, Jessica needs to first factor the quadratic function. Which of the following is the factored form of the function?