Answer:
It is y>-10
Step-by-step explanation:
i did it and i got it right.
The inequality that represents elevations above -10 meters is y > -10.
What is inequality?It shows a relationship between two numbers or two expressions.
There are commonly used four inequalities:
Less than = <
Greater than = >
Less than and equal = ≤
Greater than and equal = ≥
We have,
The inequality y > -10 means that the elevation y of a passage is greater than -10 meters.
This represents all the elevations of passages that are above -10 meters, which is the given condition in the problem.
If the elevation is exactly -10 meters or below, then it does not meet the condition of being above -10 meters.
Therefore, any elevation that is greater than -10 meters satisfies this inequality, and any elevation that is less than or equal to -10 meters does not.
Thus,
The inequality that represents elevations above -10 meters is y > -10.
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How can you use powers and exponents to express known quantities
when serenity goes bowling, her scores are normally distributed with a mean of 195 and a standard deviation of 14. what is the probability that the next game serenity bowls, her score will be between 183 and 218, to the nearest thousandth?
The probability that in the next game of serenity bowls, her score will be between 183 and 218 is 73.14%
Given that,
Mean = 195
Standard deviation = 14
Thus, the probability between 183 and 218 is the ρ value of z when x = 195
Subtracting by the ρ value of z when x = 183
so, x = 218
z = 218-195/14 = 1.64
when x = 183
z = 183-195/14= -0.85
Thus, z value is 1.64 then the probability is 0.94950 and when z value is -0.85 then the probability is 0.21886
Now, 0.94950 - 0.21886 = 0.73064
Therefore, The probability that in the next game of serenity bowls, her score will be between 183 and 218 is 73.14%
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round 5,816 to the nearest hundred
Answer:
5800
Step-by-step explanation:
that is to the nearest hundred
Answer:
5,800
Step-by-step explanation:
In 5,816. the number in the hundred place is the 8. The rule in rounding is 5 and above goes up, under 5 stay the same. The number after the 8 is the 1 and 1 is less than 5, so stays the same. So the 5,816 rounded to the hundred place is 5,800.
Question 1
Which equation is written in standard form?
A.
B.
C.
D.
x2 + 5x = 20
x2 + x-4 = 0
x² - 6 = 4x
7x + 12 = x
Answer:
x2+x-4=0
Step-by-step explanation:
When you place the sample to be examined at a distance of 1.30 cmcm from the objective, at what length lll will you need to adjust the tube of the microscope in order to view the sample in focus with a completely relaxed eye?
You need to adjust the tube of the microscope to 6.83cm in order to view the sample in focus with a completely relaxed eye
Given, Focal length of the eyepiece, = 2.50 cm
The focal length of the converging lens, f = 1.00 cm
The distance of the object, p = 1.30 cm
Lens equation, \(\frac{1}{f} = \frac{1}{p} + \frac{1}{q}\)
Substitute the values in the above equation
\(\frac{1}{1.00} = \frac{1}{1.30} + \frac{1}{q}\)
q = 4.33 cm
now, the image is formed at the focal point of the eyepiece,
therefore, the distance between the objective and the eyepiece, d = + q = 2.50 cm + 4.33 cm
d = 6.83 cm
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Solve the system of linear equations by graphing y=-1/2x+6 and y=1/2x+6
Write the prime factorization of 500 in index form.
Answer:
\(2^{2}\) × \(5^{3}\)
Step-by-step explanation:
500
= 2 x 250
= 2 x 10 x 25
= 2 x 2 x 5 x 5 x 5
= \(2^{2}\) × \(5^{3}\)
Answer:
#refer to the attachment!!
\(Factors \:of \:500\)
\(\\ \longmapsto\) 1, 2, 4, 5, 10, 20, 25, 50, 100, 125, 250, and 500.
\(Prime \:Factorization \:of\: 500\)
\(\\ \longmapsto\) 500=\(2^{2}\) × \(5^{3}\)
unding decimals to the nearest whole number, Adam traveled a distance of about
miles.
In a case whereby Adam traveled out of town for a regional basketball tournament. He drove at a steady speed of 72.4 miles per hour for 4.62 hours. The exact distance Adam traveled was miles Adam traveled a distance of about 335 miles.
How can the distance be calculated?The distance traveled in a unit of time is called speed. It refers to a thing's rate of movement. The scalar quantity known as speed is the velocity vector's magnitude. It has no clear direction.
Speed = Distance/ time
speed =72.4 miles
time=4.62 hours
Distance =speed * time
= 72.4 *4.62
Distance = 334.488 miles
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complete question;
Adam traveled out of town for a regional basketball tournament. He drove at a steady speed of 72.4 miles per hour for 4.62 hours. The exact distance Adam traveled was miles. Rounding decimals to the nearest whole number, Adam traveled a distance of about miles.
Given that f(x)=xcosx,0 ≤ x ≤ 5. a) Find the minimum of the function f in the specified range and correspoeting x
b) Find the maxımum of the function f in the specified range and corresponding x :
a) The minimum value of the function f(x) = xcos(x) in the range 0 ≤ x ≤ 5 is approximately -4.92, and it occurs at x ≈ 3.38.
b) The maximum value of the function f(x) = xcos(x) in the range 0 ≤ x ≤ 5 is approximately 4.92, and it occurs at x ≈ 1.57 and x ≈ 4.71.
To find the minimum and maximum values of the function f(x) = xcos(x) in the specified range, we need to evaluate the function at critical points and endpoints.
a) To find the minimum, we look for the critical points where the derivative of f(x) is equal to zero. Taking the derivative of f(x) with respect to x, we get f'(x) = cos(x) - xsin(x). Solving cos(x) - xsin(x) = 0 is not straightforward, but we can use numerical methods or a graphing calculator to find that the minimum value of f(x) in the range 0 ≤ x ≤ 5 is approximately -4.92, and it occurs at x ≈ 3.38.
b) To find the maximum, we also look for critical points and evaluate f(x) at the endpoints of the range. The critical points are the same as in part a, and we can find that f(0) ≈ 0, f(5) ≈ 4.92, and f(1.57) ≈ f(4.71) ≈ 4.92. Thus, the maximum value of f(x) in the range 0 ≤ x ≤ 5 is approximately 4.92, and it occurs at x ≈ 1.57 and x ≈ 4.71.
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long division method
Answer: you didnt add a question or possible answer choices so nobody can answer this question
Step-by-step explanation:
Divide the ones column dividend by the divisor.
Multiply the divisor by the quotient in the right place column.
Subtract the product from the ones column.
Determine the domain of the following graph:
For the following data points a) finds the linear interpolation spline b) find the quadratic interpolation spline?
X= -2,-1,0,1,2
Y=2,1,2,3,2
a) Linear Interpolation Spline for the data points are -
-2 <= x < -1: y = -x + 0
-1 <= x < 0: y = x + 2
0 <= x < 1: y = x + 2
1 <= x <= 2: y = -x + 4
b) Quadratic Interpolation Spline for the data points are -
-2 <= x <= -1: y = -x² - 2x + 2
-1 <= x <= 0: y = 2x² + 2
0 <= x <= 1: y = x² + 2x + 2
1 <= x <= 2: y = x² + 2x + 2
a) Linear Interpolation Spline:
To find the linear interpolation spline, we need to determine the line segments that connect adjacent data points.
Given data points:
X = [-2, -1, 0, 1, 2]
Y = [2, 1, 2, 3, 2]
Step 1: Determine the slopes between adjacent points
m1 = (Y[1] - Y[0]) / (X[1] - X[0]) = (1 - 2) / (-1 - (-2)) = -1 / 1 = -1
m2 = (Y[2] - Y[1]) / (X[2] - X[1]) = (2 - 1) / (0 - (-1)) = 1 / 1 = 1
m3 = (Y[3] - Y[2]) / (X[3] - X[2]) = (3 - 2) / (1 - 0) = 1 / 1 = 1
m4 = (Y[4] - Y[3]) / (X[4] - X[3]) = (2 - 3) / (2 - 1) = -1 / 1 = -1
Step 2: Determine the y-intercepts of the line segments
b1 = Y[0] - m1 × X[0] = 2 - (-1) × (-2) = 2 - 2 = 0
b2 = Y[1] - m2 × X[1] = 1 - 1 × (-1) = 1 + 1 = 2
b3 = Y[2] - m3 × X[2] = 2 - 1 × 0 = 2
b4 = Y[3] - m4 × X[3] = 3 - (-1) × 1 = 3 + 1 = 4
Step 3: Define the linear interpolation spline for each segment
For the first segment (-2 <= x < -1):
y = m1 × x + b1 = -1 × x + 0
For the second segment (-1 <= x < 0):
y = m2 × x + b2 = x + 2
For the third segment (0 <= x < 1):
y = m3 × x + b3 = x + 2
For the fourth segment (1 <= x <= 2):
y = m4 × x + b4 = -x + 4
b) To find the quadratic interpolation spline, we will use quadratic polynomial equations to interpolate between the given data points.
Given data points:
X = [-2, -1, 0, 1, 2]
Y = [2, 1, 2, 3, 2]
Step 1: Determine the coefficients of the quadratic polynomials
We will find three quadratic polynomials, each interpolating between three consecutive data points.
For the first quadratic polynomial (interpolating points -2, -1, and 0):
Using the formula y = ax² + bx + c, we substitute the given data points to form a system of equations:
4a - 2b + c = 2
a - b + c = 1
c = 2
Solving the system of equations, we find a = -1, b = -2, and c = 2.
Thus, the first quadratic polynomial is y = -x² - 2x + 2.
For the second quadratic polynomial (interpolating points -1, 0, and 1):
Using the same process, we find a = 0, b = 2, and c = 2.
Thus, the second quadratic polynomial is y = 2x² + 2.
For the third quadratic polynomial (interpolating points 0, 1, and 2):
Using the same process, we find a = 1, b = 2, and c = 2.
Thus, the third quadratic polynomial is y = x² + 2x + 2.
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Solve using substitution.
y = -x - 1
y = x + 3
Submit
Answer:
Step-by-step explanation:
-x - 1 = x + 3
-2x - 1 = 3
-2x = 4
x = -2
y = -2 + 3
y = 1
(-2, 1)
Drag the cards to create a two-digit number that matches these rules. Note: Not all cards will be used 6 is one of the digits 20 is the nearest ten when rounding the cards 0 1 2 6
Answer:
As i understand this:
We have cards with the values:
0, 1, 2 and 6.
We want to create a two digit number such that:
Not all the cards are used.
6 is one digit of our number.
When we round to the nearest ten, we get 20.
Now, first remember how rounding works.
If we have a number like ab, where a and b are single digits (a is in the tens place and b is in the units place), then:
if b is 5 or more, we round up
if b is less than 5, we round down.
Now in this case we want to have a digit equal 6, if we use this in the units place, then when rounding, we will round up.
Then the other digit can be 1, such that we use the cards:
1 and 6.
then our number is 16:
When rounding, 6 > 5, then we round up to 20.
So this number meets all the conditions.
Need help on this math problem!!!
Answer:
\((fof^{-1})(x)=x\)
Step-by-step explanation:
Composition of two functions f(x) and g(x) is represented by,
(fog)(x) = f[g(x)]
If a function is,
f(x) = (-6x - 8)² [where x ≤ \(-\frac{8}{6}\)]
Another function is the inverse of f(x),
\(f^{-1}(x)=-\frac{\sqrt{x}+8}{6}\)
Now composite function of these functions will be,
\((fof^{-1})(x)=f[f^{-1}(x)]\)
= \([-6(\frac{\sqrt{x}+8}{6})-8]^{2}\)
= \([-\sqrt{x}+8-8]^2\)
= \((-\sqrt{x})^2\)
= x
Therefore, \((fof^{-1})(x)=x\)
Which list shows the numbers in order from least to greatest?
A)−3π,−9.4,−283,−95−−√
B)−95−−√,−3π,−9.4,−283,
C)−95−−√,−283,−9.4,−3π
D)−283,−9.4,−3π,−95−−√
Answer:
judging from the list of numbers i would pick a
A bakery sells 6350 muffins in 2010. The bakery sells 8310 muffins in 2015. Write a linear model that represents the number $y$ of muffins that the bakery sells $x$ years after 2010. The linear model is $y=$ .
Answer:
y = 392x + 6350
Step-by-step explanation:
Here, we calculate the average rate of change in the number of muffins sold between the two years
Mathematically that will be the difference in number of muffins divided by the number of years
We have this as;
(8310-6350)/(2015-2010)
= 392
an average of 392 muffins were sold in a year
The general form of the equation of a straight line is;
y = mx + c
we have m as 392
so;
y = 392x + c
To get c, we make a substitution
2015 is 5 years after 2010, so x will be 5 and y will still be 8310
so;
8310 = 392(5) + c
c = 8310 - 2960
c = 6350
So the equation is;
y = 392x + 6350
1. find all closed intervals of length 1 in which the function has a unique zero.
All closed intervals of length 1 in which a function has a unique zero, we need to find all pairs of zeros that are exactly 1 unit apart and consider the intervals between them as described above.
To find all closed intervals of length 1 in which a function has a unique zero, we need to look for intervals where the function changes sign exactly once. This is because if a function has a unique zero, it must change sign from positive to negative or negative to positive at that point.
Let's call the function f(x). To find these intervals, we can use the Intermediate Value Theorem. This theorem states that if a function is continuous on a closed interval [a, b] and takes on values f(a) and f(b) at the endpoints, then it must also take on every value between f(a) and f(b) somewhere on the interval.
So, to apply this theorem, we need to find values of x such that f(x) = 0. Then, we can look at the intervals between these values and see if f(x) changes sign exactly once on any of them.
Let's say we find two zeros of the function at x = a and x = b, where a < b. Then, we can consider the intervals [a, a+1] and [b-1, b] (assuming these intervals have length 1). If f(x) is positive on the interval [a, a+1] and negative on the interval [b-1, b], or vice versa, then f(x) must change sign exactly once on each of these intervals and therefore has a unique zero in each interval.
In general, to find all closed intervals of length 1 in which a function has a unique zero, we need to find all pairs of zeros that are exactly 1 unit apart and consider the intervals between them as described above.
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If you and a friend each toss two pennies at the same time, what is the probability that all four pennies will be tails?
A. 1/2
B. 1/4
C. 1/8
D. 1/16
E. 1/32
Answer:
1/16
Step-by-step explanation:
Probability helps us to know the chances of an event occurring. The probability that all four pennies will be tails is (1/16).
What is Probability?Probability helps us to know the chances of an event occurring.
\(\rm Probability=\dfrac{Desired\ Outcomes}{Total\ Number\ of\ outcomes\ possible}\)
The probability of a penny getting a tail is 0.5 or (1/2), therefore, the probability of four penny getting a tail can be written as,
\(\rm Probability = \dfrac14 \times \dfrac14 \times \dfrac14 \times \dfrac14 = \dfrac1{16}\)
Hence, the probability that all four pennies will be tails is (1/16).
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What's the circumference for 4cm
Answer:
8πcm or 25.12cm
Mrs. Johnson wants to know which type of cake she should make for the middle school dance. She will conduct a survey asking certain students which kind of cake they prefer. Which method would provide the most accurate results
Answer:
Asking four boys and four girls from each first period class which type of cake they prefer.
Step-by-step explanation:
cant really explain it just knew it off the top of my head.
Write an equation for the line, in point-slope form, that passes through
the following point and has the following slope:
Slope: 3
Point: (-7, -6)
Answer:
The answer is \(y + 6 = 3(x + 7)\)
-
Step-by-step explanation:
☆The point-slope form looks like:
\(y - y_1 = m(x - x_1)\)
☆All you simply need to do is plug in according to the formula!
☆\(y + 6 = 3(x + 7)\)
In a poker hand consisting of 5 cards, find the probability of holding (a) 3 face cards; (b) 3 clubs and 2 diamonds. (a) (Round to four decimal places as needed.)
(a) In a poker hand consisting of 5 cards, the probability of holding 3 face cards is to be calculated. Since a deck of cards contains 52 cards, there are only 12 face cards, which means that the total number of ways of getting 3 face cards from 12 is; 12C3.
The remaining two cards may be any of the 40 non-face cards, so there are 40C2 ways of choosing those two cards. Hence the total number of ways of obtaining three face cards and two non-face cards is; 12C3 × 40C2. Hence the probability of getting three face cards and two non-face cards is; 12C3 × 40C2 / 52C5 = 0.0043. Hence the answer is 0.0043. Therefore the probability of holding three face cards in a poker hand consisting of 5 cards is 0.0043. (Rounded to four decimal places as needed).
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how do i simplify 6⁴ 6⁸ please help its dou today
Answer: 6^12 (or 2176782336)
When you multiply exponents with the same base, you add the exponents together. (e.g., x^m · x^n = x^m+n)
6^4 · 6^8 = 6^4+8 = 6^12
the amplitude of a sector of πcm² of area and 1.5 cm of radius
The area of the sector is A = π cm² and amplitude is a = 0.75 cm
Given data ,
The area of a sector is given by the formula:
A = (1/2) x r² x θ
where r is the radius of the sector and θ is the central angle in radians.
On simplifying , we get
A = π cm²
r = 1.5 cm
Substituting these values into the formula, we get:
π = (1/2) x (1.5)² x θ
π = (3/4) x θ
Solving for θ, we get:
θ = (4/3) x π
The amplitude of the sector is half of the radius, so:
amplitude = (1/2) x 1.5 cm = 0.75 cm
Hence , the amplitude of the sector is 0.75 cm
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A student is 7 years old. If you triple the teachers age and add the student's age the answer is 163. How old is the teacher?
Answer:
52
Step-by-step explanation:
We can write this out as an equation. Let's say that the teacher's age is x. Triple the teachers age plus the students age is 163, which can be written out as:
\(3x + 7 = 163\)
We want to isolate the variable, so subtract 7 from both sides. This gives us:
\(3x = 156\)
Finally, we divide both sides by 3, giving:
\(x=52\)
So the teacher is 52 years old.
Hope this helps!
Answer: The teacher is 52.
Equation: 7+3t=163
can anyone write 4y^2 +25-13y+y^3 in standard form and explain it thanks
Step-by-step explanation:
y³+ 4y²-13y+25 or 25-13y+4y²+y³. are the standard form of the polynomial ...
standard form means arranging the term in ascending and descending order in order of the degree of terms ..
.
plz mark my answer as brainlist plzzzz vote me also so that .... hope this helps you ...
A random sample of n = 1,000 observations from a binomial population contained 380 successes. You wish to show that p < 0.4. n = 1,000 and x = 380. You wish to show that p < 0.4. A button hyperlink to the SALT program that reads: Use SALT. Calculate the appropriate test statistic. (Round your answer to two decimal places.) z = Calculate the p-value. (Round your answer to four decimal places.) p-value = ?
The test statistic is given as follows:
z = -1.29.
The p-value is given as follows:
0.0985.
How to obtain the test statistic?The equation for the test statistic is given as follows:
\(z = \frac{\overline{p} - p}{\sqrt{\frac{p(1-p)}{n}}}\)
In which:
\(\overline{p}\) is the sample proportion.p is the proportion tested at the null hypothesis.n is the sample size.The parameters for this problem are given as follows:
\(\overline{p} = \frac{380}{1000} = 0.38, p = 0.4, n = 1000\)
Hence the test statistic is calculated as follows:
\(z = \frac{0.38 - 0.4}{\sqrt{\frac{0.4(0.6)}{1000}}}\)
z = -1.29.
Looking at the z-tabe with z = -1.29, the p-value is given as follows:
0.0985.
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sales for the dress department last year were $82,000. the manager for the department plans an increase of 12.5or this year. what is this year's projected sales volume?
Sales for the dress department last year were $82,000. The manager for the department plans an increase of 12.5% this year. So, the projected sales volume for this year is $92,250.
To calculate this year's projected sales volume we will add 12.5% of the sales of the last year to the sales of last year. This can be calculated by using the formula:
S = P + (P × r / 100)
Where S is new sales, P is old sales, and r is a rate of increase.
In this problem, the value of P is $82,000 and the rate of increase is 12.5%. Now, let's plug these values into the formula and solve for S:
S = P + (P × r / 100)
S = $82,000 + ($82,000 × 12.5 / 100)
S = $82,000 + $10,250S = $92,250
Hence, the projected sales volume for this year is $92,250.
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The trianqular area between
points a,
b, and d will be
decorated with red, white and
blue flowers.
of triangle abd
will have red flowers. how much
area
in square yards, will have
red flowers?
The area covered by Red flowers are is x/3 square yards.
Area is the entire amount of space occupied by a flat (2-D) surface or an object's shape.
The area of a plane figure is the area that its perimeter encloses.
The quantity of unit squares that cover a closed figure's surface is its area.
We have, 1/3 of triangle ABD will have red flowers.
let x be the total area of Triangle.
Here, 1/3(x) is occupied by Red flowers.
Thus, the area covered by Red flowers are:
= x/3 square yards.
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Question
the triangular area between points A, B, and D will be decorated with red, white and blue flowers. 1/3 of triangle ABD will have red flowers. How much area, in square yards, will have red flowers?