Answer:
87
Step-by-step explanation:
done but not sure though
Can someone help me really quick!?
Answer:
Yes its 2nd, 4th, and 5th
Step-by-step explanation:
9/10 + 3/4 in simplest form?
Answer:1 13/20
Step-by-step explanation:
i took the test and it was correct pls check out my yt channel its hailey Azbell
Rachel rode her bike for seven -quarters of a mile on Monday and nine-fifths of a mile on Tuesday. How many miles did she ride altogether?
Answer:
3 11/20 miles
Step-by-step explanation:
Monday = seven -quarters of a mile
= 7/4 miles
Tuesday = nine-fifths of a mile
= 9/5 miles
How many miles did she ride altogether?
Total miles she rode altogether = Monday + Tuesday
= 7/4 + 9/5
= (35+36)/20
= 71/20
= 3 11/20
Total miles she rode altogether = 3 11/20 miles
if z+y=x+xy^2 what is x expressed in terms of y and z?
Answer:
x is expressed in terms of y and z as x = z + y - xy^2.
Step-by-step explanation:
z + y = x + xy^2
Rearrange the equation to isolate x:
x = z + y - xy^2
Therefore, x is expressed in terms of y and z as x = z + y - xy^2.
a 60-year-old female is diagnosed with hyperkalemia. which symptom would most likely be observed?
Hyperkalemia is a medical condition that refers to an elevated level of potassium in the blood.
This condition can be caused by several factors, including kidney disease, certain medications, and hormone imbalances. Symptoms of hyperkalemia can range from mild to severe, depending on the level of potassium in the blood.
In a 60-year-old female diagnosed with hyperkalemia, the most likely symptom that would be observed is muscle weakness. This is because high levels of potassium can interfere with the normal functioning of muscles, leading to weakness, fatigue, and even paralysis in severe cases.
Other symptoms that may be observed in hyperkalemia include nausea, vomiting, irregular heartbeat, and numbness or tingling in the extremities. Treatment of hyperkalemia typically involves addressing the underlying cause of the condition, as well as managing symptoms through medication and lifestyle changes.
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Draw triangle EFG with right angle F. m angle E
The two equations to solve for angle E are E = tan⁻¹ e/f and E = sin⁻¹ e/g using the trigonometric ratios. Options b and e are correct.
What are trigonometric ratiosThe trigonometric ratios involves the relationship of an angle of a right-angled triangle to ratios of two side lengths. Basic trigonometric ratios includes; sine cosine and tangent.
Given the right triangle have right angle F = 90°, then the side f is the hypotenuse, so to solve for the angle E we have;
sin E = e/f {opposite/hypotenuse}
E = sin⁻¹ e/f
cos E = e/f {adjacent/hypotenuse}
E = cos⁻¹ g/f
tan E = e/f {opposite/adjacent}
E = tan⁻¹ e/g
Therefore, the two equations to solve for angle E are E = tan⁻¹ e/f and E = sin⁻¹ e/g using the trigonometric ratios.
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Find the domain for each expression:
1. 1/x
2. 1/x+5
3. X+5/x+5
4. X^2/x
5. 7/x-2
what product has 4 zeros after the digit 3
f(x)=(x^5+5)^1/3, find f^-1 (x)
Answer:
5√(x^1/3-5)
Step-by-step explanation:
hey!
f(x)=(x^5 +5)^1/3
let f(x) be y
y=(x^5 +5)^1/3
now, interchanging x and y
or, x=(y^5 +5)^1/3
or, ∛x= y^5 + 5
or, x^1/3-5=y^5
or, y=5√(x^1/3-5)
therefore f^-1=5√(x^1/3-5)
hope it helps!
thank u!
I’m bad at math need help
Answer:
B) √27
Step-by-step explanation:
√27 = 5.196...
i need help i attached this image
Answer:
k = -7
Step-by-step explanation:
Find the difference of the y-values of both vertexes:
f(x): y = 1
g(x): y = -6
g(x) - f(x)
-6 - 1 = -7
If f(x) = 8 – 10x and g(x) = 5x + 4, what is the value of (fg)(–2)?
–196
–168
22
78
Answer:
-168
Step-by-step explanation:
because f(x) = 8 - 10xg(x) = 5x + 4
(fg)(x) = (8 - 10x)(5x + 4)(fg)(x) = 40x + 32 - 50x^2 - 40x(fg)(x) = 32 - 50x^2
(fg)(-2) = 32 - 50(-2)^2(fg)(-2) = 32 - 200(fg)(-2) = -168
The average age at which adolescent girls reach their adult height is 16 years_ Suppose you have sample of 29 adolescent girls who are developmentally delayed, and who have an average age at which they reached their adult height of 17.8 years and sample variance of 77.4 years You want to test the hypothesis that adolescent girls who are developmentally delayed have different age at which they reached their adult height than all adolescent girls Calculate the statistic. To do this you first need to calculate the estimated standard error: The estimated standard error IS SM 1.6337 The statistic is 1.10 Now suppose you have larger sample size n 91. Calculate the estimated standard error and the statistic for this sample with the same sample average and the same standard deviation as bove, but with the larger sample size. The new estimated standard error is 0.9222 The new statistic is 1.95 Note that the statistic becomes smaller becomes smaller. Use the Distributions tool to look at the distributions for different sample sizes_ To do this_ choose the Degrees of Freedom for the first sample size on the slider, and click the radio button with the single orange line_ Move the orange vertical line to the right until the number below the orange line is located on the statistic. The probability of getting that statistic or one more extreme will appear in the bubble with the orange type Now repeat the process for the other sample: Distribution Degrees of Freedom 3.0 2.0 1.0 0.0 1.0 2.0 3.0 What is the probability of getting the statistic or something more extreme for the sample size of n 29? p What is the probability of getting the statistic or something more extreme for the sample size of n 917 p The distribution is with larger n. (Hint: To best see this click the radio button in the tool with no vertical lines Slowly move the Degrees of Freedom slider from the smallest value to the largest value_ and observe how the shape of the distribution changes_
The student question is about calculating the statistics and probabilities for two different sample sizes of adolescent girls who are developmentally delayed, reaching their adult height.
For the sample size of 29 girls, the estimated standard error is 1.6337, and the statistic is 1.10. For the larger sample size of 91 girls, the new estimated standard error is 0.9222, and the new statistic is 1.95. As the sample size increases, the statistic becomes smaller.
Using the Distributions tool to determine the probability of getting the statistic or something more extreme for each sample size, you can find the probabilities (p) for each case. For the sample size of\(29 (n=29),\) you will obtain a specific probability (p).
Similarly, for the sample size of\(91 (n=91)\), you will get another probability (p). The distribution will change with larger sample sizes (n).
To observe the distribution changes, you can use the Degrees of Freedom slider in the tool and move it from the smallest value to the largest value. This will help you see how the shape of the distribution changes as the sample size increases.
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Round to the nearest tenth.
1.0835
Answer:
The answer is 1.1
Step-by-step explanation:
you round 8 up to 1
I need help on this. please help me
Answer:
heyy i kno u
Step-by-step explanation:
Answer:
B
Step-by-step explanation:
What percent is represented by the shaded area?
A store gives 20th customer a 20$ gift certificate.Every 75th customer gets a 75$gift certificate .Which customer will be the first to receive both types of gift certificates?
If f(1) = 8 and f(n) = -4f(n-1) + 5 then find the value of f(3).
Answer:
f(3) = 113
Step-by-step explanation:
Using the recursive rule and f(1) = 8 , then
f(2) = - 4f(1) + 5 = - 4(8) + 5 = - 32 + 5 = - 27
f(3) = - 4f(2) + 5 = - 4(- 27) + 5 = 108 + 5 = 113
What is the answer i need answers now I'm am going to fail
pls explain to
Answer:
Yes, the runners number of strides will fit evenly into the length of the race.
Step-by-step explanation:
The bridge is 138,435 feet. You would divide this to get 46,145 as a whole number.
Answer:
Step-by-step explanation:
You are dividing 138435 by 3.
The quotient would be 46145 with no remainder. So the answer would be yes.
A 2nd way to do this is to see if 183435 is a multiple of 3.
Hope this helps!
Have a great day!
HELPPPPP 100 POINTS!!!!
A bowling alley charges $14 for the first game, $10 for the second game, and $5 per game for every game after that.
Which statement is true, based on the given description?
The description shows a linear relationship and a proportional relationship.
The description does not show a linear relationship or a proportional relationship.
The description shows a proportional relationship, but not a linear relationship.
The description shows a linear relationship, but not a proportional relationship.
Answer: The description shows a linear relationship, but not a proportional relationship.
Step-by-step explanation:
Total cost = 14+10+(n-2)5
= 24+5n-10
= 5n+14
so
WARNING: OTHER ANSWER IS WRONG!!! THE CORRECT ANSWER IS C. "The description does not show a linear relationship or a proportional relationship."
YOUR WELCOME!
PLZ HELP HIVE BRAINLYWho got the better deal in the Columbian Exchange: the Europeans or the Native Americans? Why?
Answer:
the Europeans got the better deal from the Colombian Exchange
Step-by-step explanation:
In general, one would have to say that the Europeans got the better deal from the Columbian Exchange in that it facilitated the eventual establishment of colonies in the New World. That's not to say that it was all one-way traffic; however, the people of the New World undoubtedly benefitted in both the short and long-term by the introduction of crops and livestock. But such benefits proved to be more keenly felt by subsequent waves of European settlers than America's indigenous population.
After all, it wasn't much good for Native-Americans to have all these crops and all this livestock if, in due course, there'd be less land available for their use due to increased colonization. The indigenous peoples also suffered terribly from the introduction of diseases such as measles and smallpox, for which they had no natural immunity. It's difficult, then, to avoid the conclusion that the Europeans got the better deal from the Columbian Exchange (as it was probably intended that they should).
simply -
The Natives did benefit, but only for a short while, and the Europeans benefited the most
Kono Dio Da!!!
A 2.0
−
c
m
-tall object is located 8.0
c
m
in front of a converging lens with a focal length of 12
c
m
.
Part A) Use ray tracing to determine the location of the image.
Part B) Use ray tracing to determine the height of the image.
Part C) Is the image upright or inverted? Is the image real or virtual?
A converging lens with a focal length of 12 cm forms a real image 24 cm behind the lens when a 2.0 cm tall object is placed 8.0 cm in front of it. The image is inverted and has a height of 6.0 cm.
Part A) To determine the location of the image formed by a converging lens, we can use ray tracing.
1. Draw a ray parallel to the lens axis. This ray will pass through the focal point on the opposite side of the lens.
2. Draw a ray through the center of the lens. This ray will continue undeviated.
3. Draw a ray passing through the focal point on the same side of the lens. This ray will emerge parallel to the lens axis.
4. Where these two rays intersect after refraction is the location of the image.
In this case, the object is 8.0 cm in front of the lens. The ray diagram will show that the refracted rays converge on the opposite side of the lens. By extending the rays backward, the image is formed 24.0 cm behind the lens.
Part B) To determine the height of the image, we measure the height of the object and the height of the image. In this case, the object is 2.0 cm tall.
By measuring the distance from the principal axis to the top of the object and the corresponding distance to the top of the image, we find that the image is 6.0 cm tall.
Part C) The image formed by the converging lens is inverted, as the top of the object is at the bottom of the image. Since the image is formed on the opposite side of the lens from the object, it is a real image.
A real image can be projected onto a screen, indicating that it exists in physical space.
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a cylindrical tank for refrigerant has an inside diameter of 14 inches and is 16 inches high. what is the volume of the tank in cubic inches?
The volume of the cylindrical tank for refrigerant with an inside diameter of 14 inches and a height of 16 inches is 10,736 cubic inches.
The volume of a cylinder can be calculated using the formula:
\(\[ V = \pi r^2 h \]\)
where V represents the volume, \(\(\pi\)\) is a mathematical constant approximately equal to 3.14159, r is the radius of the cylinder (which is half the diameter), and h is the height of the cylinder.
In this case, the inside diameter of the tank is given as 14 inches, so the radius can be calculated as \(\(r = \frac{14}{2} = 7\)\) inches. The height of the tank is given as 16 inches. Substituting these values into the formula, we get:
\(\[ V = 3.14159 \times 7^2 \times 16 \approx 10,736 \text{ cubic inches} \]\)
Therefore, the volume of the cylindrical tank for refrigerant is approximately 10,736 cubic inches.
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Which base system would record this tally as 122
The representation of 122 would depend on the base system being used. In a decimal (base-10) system, 122 would be represented as 122
The base system that would record this tally as 122 depends on the context in which the tally is being used.
If we assume that the tally is being used to represent a quantity or count, and we are using a base-10 (decimal) system, then 122 would be represented as 122 in decimal notation.
However, if the tally is being used in a different context or in a different base system, then the representation of 122 may be different. For example:
In a base-2 (binary) system, 122 would be represented as 1111010
In a base-8 (octal) system, 122 would be represented as 172
In a base-16 (hexadecimal) system, 122 would be represented as 7A
Therefore, the specific base system used to represent the tally must be known or specified in order to determine the correct representation of 122.
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Peggy earned $20 for each lawn she mowed last summer. This summer, she raised her price to $23 per lawn. What is the percent increase of Peggy’s charges?
Answer:
15 percent
Step-by-step explanation: You will substract the new value from the old value.
23-20
Now you will get the difference between them and divide that by the original amount.
3/20
This will equal 0.15 in which you now multiply by 100
15 percent
Please help! Correct answer only!
For a fundraiser, there is a raffle with 100 tickets. One ticket will win a $150 prize, and the rest will win nothing. If you have a ticket, what is the expected payoff?
$ ___
Answer:
Expected Payoff ⇒ $ 1.50 ; Type in 1.50
Step-by-step explanation:
Considering that 1 out of the 100 tickets will have a probability of winning a 150 dollar prize, take a proportionality into account;
\(100 - Number of Tickets,\\1 - Number of Tickets You Can Enter,\\\\1 / 100 - Probability of Winning,\\$ 150 - Money Won,\\\\Proportionality - 1 / 100 = x / 150, where x - " Expected Payoff "\\\\1 / 100 = x / 150,\\100 * x = 150,\\\\Conclusion ; x = 1.5 dollars\)
Thus, Solution ; Expected Payoff ⇒ $ 1.50
On a dry surface the braking distance in feet of a Cadillac Escalade can be approximated by a normal distribution the mean stopping distance is 157. 5 feet with a standard deviation of 7. 2 feet find the braking distance of the Cadillac Escalade that corresponds to z=1. 2
The answer is , The braking distance of the Cadillac Escalade that corresponds to z=1.2 is approximately 166.14 feet. The option is (a) .
Given that the mean stopping distance is 157.5 feet and the standard deviation is 7.2 feet.
We need to find the braking distance of the Cadillac Escalade that corresponds to z=1.2.
Because the distribution is normal, we can use the z-score formula to find the corresponding braking distance:
z=(x-μ)/σ
where z=1.2, μ=157.5, and σ=7.2
We can solve for x by rearranging the equation:
x = zσ + μx
= 1.2(7.2) + 157.5x
= 8.64 + 157.5x
= 166.14
The braking distance of the Cadillac Escalade that corresponds to z=1.2 is approximately 166.14 feet.
Therefore, the correct option is (a) 166.14 feet.
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Wendy is a waitress and has $15,000 toinvest, and wishes to gain $4,200 in interestover the next eight years. Approximatelywhat is the minimum simple interest rateWendy needs to reach her goal?
The formula for determining simple interest is expressed as
I = PRT/100
where
I = interest earned
R = interest rate
T = number of years
P = principal or amount invested
From the information given,
P = 15000
I = 4200
T = 8
Thus, we have
4200 = (15000 x R x 8)/100
4200 = 1200R
R = 4200/1200
R = 3.5
The required interest rate is 3.5%
 Can someone please tell me the answer to this
Show me all your work and explain Please
Answer:
25.67 ft
Step-by-step explanation:
5.5 ft/6 = x/28 (5.5 ft is to 6 what x is to 28) (cross multiply)
(5.5 * 28) / 6 = 25.67 ft
someone please help me
Answer:
So, PR = 132.35 ft.
Step-by-step explanation:
Let PR be x ft.
In traingles PRE and POC
<PRE=<POC (both r 90)
<RPE=<OPC(common angles)
<PER=<PCO(remaining angles)
trangle PRE and POC are similar by A.A.A axiom
now
RE/OC=PR/PO=PE/PC(corresponding sides of similar triangles are proportional)
or, 180/350 = x/(x+125)=PE/PC
(PO= x+125)
Now
180/350=x/(x+125)
or, 180x+22500=350x
or, 22500= 170x
or, x = 22500/170
so, x = 132.352
so, x = 132.35