State the domain of f(a,b) = e^ab
Answer:
a2+b2=c2
Step-by-step explanation:
find the saqure roof of two
Answer:
(∞,∞), (a /a∉R)
Step-by-step explanation:
4(4x - 2) = x + 4
asnwerplsssssssss
Answer:
4(4x - 2) = x + 4
16x - 8 = x + 4
15x = 12
x = 12/15 = 4/5
Answer:
x = 0.8
Step-by-step explanation:
4(4x - 2) = x + 4
16x - 8 = x + 4
16x - x = 4 + 8
15x = 12
x = 0.8
Which theoretical probabilities are equal to 1/3? Check all that apply.
Answer:
2/6, 4/12, 8/24, 16/48, 32/96 ect....
Step-by-step explanation:
I hope this helps I really didnt know if this is what you were asking about
Will give BRAINLIEST. | 5/2 x | + 2≤4
Answer:
XE[-4/5,4/5]
Step-by-step explanation:
I can't explain it sorry
Answer:
-4/5 ≤ x ≤ 4/5
Step-by-step explanation:
| 5/2 x | + 2 ≤ 4
| 5/2 x | ≤ 2
| x | ≤ 4/5
x ≤ 4/5
x ≥ - 4/5
-4/5 ≤ x ≤ 4/5
Any help would be great
Answer:
15
Step-by-step explanation:
38=10+13+c
c=38-10-13=15
Hope this helps!
find the multiplicative inverse of 2/3 * - 5/7
Answer:
[tex]-\frac{21}{10}[/tex] is the required multiplicative inverse.
Step-by-step explanation:
First of all simplify the given expression.
[tex]\frac{2}{3}\cdot \frac{-5}{7}=-\frac{2\cdot \:5}{3\cdot \:7}=-\frac{10}{21}[/tex]
Multiplicative inverse of any number when multiplied gives 1.
The multiplicative inverse of [tex]-\frac{10}{21}[/tex] is [tex]-\frac{21}{10}[/tex] because:
[tex]-\frac{10}{21}\times -\frac{21}{10}=1[/tex]
Best Regards!
If
f(x) = 13x + 1, then
f-1(x) =
Answer:
(x-1)/13
Step-by-step explanation:
y = 13x+1
To find the inverse, exchange x and y
x = 13y+1
Solve for y
Subtract 1 from each side
x-1 =13y+1-1
x-1 = 13y
Divide each side by 13
(x-1)/13 = y
The inverse is (x-1)/13
Answer:
f(x) = 13x + 1
To find the inverse let f(x) = y
y = 13x + 1
x = 13y + 1
13y = x - 1
y = (x-1)/13
The inverse is x-1/13.
Find the volume of a right circular cone that has a height of 4.2m and a base with a radius of 3.4m
Answer:
about 50.8 cubic meters
Step-by-step explanation:
The formula for the volume of a cone is ...
V = (1/3)πr²h
Put the given values into the formula and do the arithmetic.
V = (1/3)π(3.4 m)²(4.2 m) = 16.194π m³
__
For π to calculator precision, this is ...
V ≈ 50.84 m³
For π = 3.14, this is ...
V ≈ 50.82 m³
2)
Which of these objects are two-dimensional? Check all that apply.
A.Point
B.Segment
C.Square
D. Line
E. Solid
F. Plane
Answer:
Option C and F
Step-by-step explanation:
=> Square and Plane a two-dimensional objects.
Rest of the objects are either 1 - dimensional or 3- dimensional.
X^2+_x+36
What is the Perfect Square Trinomials?
Answer:
Step-by-step explanation:
hello,
[tex]36=6*6=6^2[/tex]
and
[tex](x+6)^2=x^2+12x+36[/tex]
so the missing term is 12 to get a perfect square trinomial
hope this helps
Answer: The answer is "12".
Step-by-step explanation: Correct on edgen. (2022)
A survey of Ron’s customers showed that 2,400 of the customers buying chewing gum would buy organic chewing gum if it was placed near the register. In the first month, 1,600 out of 4,000 customers actually bought the organic gum. What was the percent error in the survey estimate of the number of people buying organic gum?
Answer:
50
Step-by-step explanation:
Answer:
50%
Step-by-step explanation:
The mean of 10 positive numbers is 16. when another number is added, the mean becomes 18. Find the number added
Answer:
The number added was 38.
Step-by-step explanation:
(16x10+x)/11 = 18
160+x = 198
x = 38
Best Regards!
1.expand and simplify 2(x-4) -3 (x-2)
2.factorise a^2 + a
Answer:
Step-by-step explanation:
1 2(x-4)-3(x-2)
=2x-4x-3x+6
=2x-7x+6
2 a²+a
=a(a+1)
A recipe calls for 3/5 gallon of milk. how much milk is needed to make half the recipe
Answer:
3/10 gallons
Step-by-step explanation:
We know that the recipe for 1 serving calls for 3/5 gallons of milk.
We want to know what 1/2 a serving calls for. Let's set up a proportion:
(1/2) / 1 = x / (3/5) , where x is the amount of milk needed for 1/2 the recipe
Cross-multiply:
x * 1 = (1/2) * (3/5)
x = 3/10
The answer is thus 3/10 gallons.
~ an aesthetics lover
Answer:
3/10 gallon of milk
Step-by-step explanation:
The recipe needs 3/5 gallon of milk, half of the recipe requires half of the milk.
3/5 half is:
[tex]3/5 \times 1/2[/tex]
[tex]=3/10[/tex]
not sure how I am supposed to arrive to an answer
Integrating both sides once gives
[tex]\dfrac{\mathrm d\mathbf r}{\mathrm dt}=2e^t\,\mathbf i+3e^{-t}\,\mathbf j+4e^{2t}\,\mathbf k+\mathbf c[/tex]
where [tex]\mathbf c[/tex] is an arbitrary constant vector. Use the initial condition to find its value:
[tex]\dfrac{\mathrm d\mathbf r}{\mathrm dt}(0)=-\mathbf i+7\,\mathbf j=(2+c_1)\,\mathbf i+(3+c_2)\,\mathbf j+(4+c_3)\,\mathbf k[/tex]
[tex]\implies\mathbf c_1=-3\,\mathbf i+4\,\mathbf j-4\,\mathbf k[/tex]
Integrate again:
[tex]\mathbf r(t)=2e^t\,\mathbf i-3e^{-t}\,\mathbf j+2e^{2t}\,\mathbf k+\mathbf c_1t+\mathbf c_2[/tex]
where [tex]\mathbf c_2[/tex] is another arbitrary vector of constants. Use the other initial condition to determine its components:
[tex]\mathbf r(0)=6\,\mathbf i+\mathbf j+3\,\mathbf k=(2+c_1)\,\mathbf i+(-3+c_2)\,\mathbf j+(2+c_3)\,\mathbf k[/tex]
[tex]\implies\mathbf c_2=4\,\mathbf i+4\,\mathbf j+\mathbf k[/tex]
Then the particular solution to this ODE is
[tex]\boxed{\mathbf r(t)=(2e^t-3t+4)\,\mathbf i+(-3e^{-t}+4t+4)\,\mathbf j+(2e^{2t}-4t+1)\,\mathbf k}[/tex]
Assume that the population proportion is 0.56. Compute the standard error of the proportion, σp, for sample sizes of 100, 200, 500, and 1,000. (Round your answers to four decimal places.)
Answer:
Standard errors are 0.049, 0.035, 0.022, and 0.016.
Step-by-step explanation:
The given value of population proportion (P) = 0.56
Given sample sizes (n ) 100, 200, 500, and 1000.
Now standard error is required to calculate.
Use the below formula to find standard error.
When sample size is n = 100
[tex]\sqrt{\frac{P(1-P)}{n}} = \sqrt{\frac{0.56(1-0.56)}{100}} =0.049[/tex]
When sample size is n = 200
[tex]\sqrt{\frac{P(1-P)}{n}} = \sqrt{\frac{0.56(1-0.56)}{200}} = 0.035[/tex]
When sample size is n = 500
[tex]\sqrt{\frac{P(1-P)}{n}} = \sqrt{\frac{0.56(1-0.56)}{500}} =0.022[/tex]
When sample size is n = 1000
[tex]\sqrt{\frac{P(1-P)}{n}} = \sqrt{\frac{0.56(1-0.56)}{1000}} = 0.016[/tex]
Match the integer to the corresponding placement on the following number line. E, F, H
Answer:
5,6,7 because they are in line with the letter
The measures of two angles of a triangle are 105 and 31 degrees. Find the measure of the third angle.
Answer: 44°
Step-by-step explanation:
Measures of the angles of a triangle
= 180°
Therefore, 180 - 105 + 31 = 44°
The measure of the third angle is 44 degrees.
We have,
To find the measure of the third angle in a triangle, we can use the fact that the sum of the measures of all three angles in a triangle is always 180 degrees.
Let's denote the measure of the third angle as "x".
We are given that the measures of the other two angles are 105 degrees and 31 degrees.
Using the sum of angles in a triangle, we can set up the equation:
105 + 31 + x = 180
Simplifying the equation:
136 + x = 180
To isolate "x", we subtract 136 from both sides of the equation:
x = 180 - 136
x = 44
Therefore,
The measure of the third angle is 44 degrees.
Learn more about triangles here:
https://brainly.com/question/25950519
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paulina plays both volleyball and soccer .the probability of her getting injured playing soccer is 0.10 and the probability of her getting injured playing soccer is 0.20 .which of the event is more likely
Step-by-step explanation:
While playing volleyball, probability of getting hurt is
P(A) = 0.1 = 1/10
and in the case of soccer, it is
P(B) = 0.2 = 2/10 = 1/5
Here we see, P(A) < P(B)
Answer: We can conclude that the probability of getting injured while playing soccer is more likely.
HEEEEEEEEEEELPPPP I WILL MARK BRAINLIEST!!!!!!!
Answer:
[tex]\frac{27}{64}[/tex]
Step-by-step explanation:
[tex]( \frac{3}{4} )^3[/tex]
Distribute the exponent to the numerator and denominator.
[tex]\frac{3^3}{4^3}[/tex]
Evaluate the value.
[tex]\frac{27}{64}[/tex]
Laura will have seven test scores at the end of the semester. Each of the scores is a positive integer less than or equal to $100$. Her first five scores are $80, 83, 87, 94$ and $96$. How many different values are possible for the median of her seven scores?
Answer:
2 different scores
Step-by-step explanation:
The first thing we must do is define what the average is, which would be the value of half. This means that the average of 7 scores would be adding 2 more scores than the 5 we already have.
It does not matter if they are greater or less than those that already exist, they should only be equal to or less than 100 (also integers) and therefore the mean would be the 4th value of those 7 scores after organizing them from highest to lowest.
Please answer this correctly
Answer:
I believe that the answer would be 1/5.
Step-by-step explanation:
Stealers, study components: In a study of the relationship between socio-economic class and unethical behavior, 129 University of California undergraduates at Berkeley were asked to identify themselves as having low or high social-class by comparing themselves to others with the most (least) money, most (least) education, and most (least) respected jobs. They were also presented with a jar of individually wrapped candies and informed that the candies were for children in a nearby laboratory, but that they could take some if they wanted. After completing some unrelated tasks, participants reported the number of candies they had taken. It was found that those who were identified as upper-class took more candy than others (Piff, 2012). Identify the following about this study.
a) What are the cases?_____
b) What are the variables and their types?_____
c) What is the main research question?_____
Answer:
a) 129 University of California undergraduates at Berkeley.
b) (i) social-class (ordinal), (ii) money (continuous), (iii) education (ordinal) , (iv) respected job (ordinal), (v) number of candies (continuous)
c) The main question is to find the relationship between socio-economic class and unethical behaviour
Step-by-step explanation:
a) 129 University of California undergraduates at Berkeley.
b)
i) social-class (ordinal)
ii) money (continuous)
iii) education (ordinal)
iv) respected job (ordinal)
v) number of candies (continuous)
c) The main question is to find the relationship between socio-economic class and unethical behaviour
Suppose tossing a coin 8 times represents the 8 cups of tea, heads represents a correct identification of what was poured first, tea or milk, and tails represents an incorrect identification of what was poured first. Select the best conclusion you would draw about whether the woman was just guessing.
A. Repeat the process many times (1000). If 6 correct out of 8 cups rarely occurs, then it is most likely that the woman was just guessing as to what was poured first.
B. Repeat the process many times (1000). If 8 correct out of 8 cups rarely occurs, then it is unlikely that the woman was just guessing as to what was poured first.
C. Repeat the process many times (1000). If 8 correct out of 8 cups rarely occurs, then it is likely that the woman was just guessing as to what was poured first.
D. Repeat the process many times (1000). If 4 correct out of 8 cups rarely occurs, then it is unlikely that the woman was just guessing as to what was poured first.
Answer:
A. Repeat the process many times (1000). If 6 correct out of 8 cups rarely occurs, then it is most likely that the woman was just guessing as to what was poured first.
Step-by-step explanation:
Since tossing a coin 8 times implies 8 cups of tea, with the given conditions.
The sample space = 1000
Then;
[tex]\frac{6}{8}[/tex] × 1000 = 750
If 6 correct out of 8 cups occurs (750 out of 1000), the woman got 750 correctly. Thus it can be inferred that it is likely that she knew what was poured first, either the tea or milk.
But, if 6 correct out of 8 cups rarely occurs (i.e 250 out of 1000), then it is most likely that the woman was just guessing as to what was poured first.
The area of a triangle is 80cm² and its base is 8cm. If its height is (6+k) cm, find the value if k.
(3marks)
Answer:
K=14
Step-by-step explanation:
A=1/2*b*h
80=1/2*8*(6+k) multiply by 2 on both sides
160=8*(6+k) distribute by 8
160=48+8k subtract 48 from both sides
112=8k divide by 8
14=K
How is the vertex related to the maximum or minimum of a parabola?
Answer:
Vertical parabolas give an important piece of information: When the parabola opens up, the vertex is the lowest point on the graph — called the minimum, or min. When the parabola opens down, the vertex is the highest point on the graph — called the maximum, or max.
Step-by-step explanation:
The y coordinate of the vertex tells you the highest or lowest point, depending on whether the parabola opens downward or upward.
For something like y = -2(x-5)^2 + 10, it opens downward and has the vertex at (5,10). The highest point is (5,10) so the largest y value or output is y = 10. This is the maximum of the function. Note the value of 'a' is a = -2 which is negative. Also note the vertex form y = a(x-h)^2 + k with vertex (h,k).
For an example like y = 7(x+2)^2 - 8 we have a = 7 so the parabola opens upward meaning we'll have a minimum this time. The lowest point is the vertex (h,k) = (-2,-8). The minimum of the function is y = -8.
When 1760 is divided into 14 equal parts, the remainder is 10. What is a correct way to write the quotient?
Answer:
125 r. 10
Step-by-step explanation:
answer this please ????
Answer:
a. x = 4
b. x = 17.5
Step-by-step explanation:
a. 5x/2 + 1 = 11
5x/2 = 10
5x = 20
x = 4
b. 2x/7 - 3 = 2
2x/7 = 5
2x = 35
x = 35/2
Answer:
a) x = 4
b) x = 17.5
Step-by-step explanation:
a)
(5x)/2 + 1 = 11
(5x)/2 = 10
5x = 20
x = 4
b)
(2x)/7 - 3 = 2
(2x)/7 = 5
2x = 35
x = 17.5
Which point gives the vertex of f(x) = x2 - 4x + 21?
Answer:
Brainleist!
Step-by-step explanation:
vertex (h,k)
h= -b/4a
k= c -b^2/4a
solve and you get (2,17)
Question 2: The average price for a BMW 3 Series Coupe 335i is $39,368. Suppose these prices are also normally distributed with a standard deviation of $2,367. What percentage of BMW dealers are pricing the BMW 3 Series Coupe 335i at more than the average price ($44,520) for a Mercedes CLK350 Coupe? Round your answer to 3 decimal places.
Answer:
0.015 = 1.5% of BMW dealers are pricing the BMW 3 Series Coupe 335i at more than the average price ($44,520) for a Mercedes CLK350 Coupe
Step-by-step explanation:
When the distribution is normal, we use the z-score formula.
In a set with mean [tex]\mu[/tex] and standard deviation [tex]\sigma[/tex], the zscore of a measure X is given by:
[tex]Z = \frac{X - \mu}{\sigma}[/tex]
The Z-score measures how many standard deviations the measure is from the mean. After finding the Z-score, we look at the z-score table and find the p-value associated with this z-score. This p-value is the probability that the value of the measure is smaller than X, that is, the percentile of X. Subtracting 1 by the pvalue, we get the probability that the value of the measure is greater than X.
In this question, we have that:
[tex]\mu = 39368, \sigma = 2367[/tex]
What percentage of BMW dealers are pricing the BMW 3 Series Coupe 335i at more than the average price ($44,520) for a Mercedes CLK350 Coupe?
This is 1 subtracted by the pvalue of Z when X = 44520. So
[tex]Z = \frac{X - \mu}{\sigma}[/tex]
[tex]Z = \frac{44520 - 39368}{2367}[/tex]
[tex]Z = 2.18[/tex]
[tex]Z = 2.18[/tex] has a pvalue of 0.985
1 - 0.985 = 0.015
0.015 = 1.5% of BMW dealers are pricing the BMW 3 Series Coupe 335i at more than the average price ($44,520) for a Mercedes CLK350 Coupe