Cuánto es (5)(-2)(-1)(-8) ayudaaaaaa
Answer:
que
Step-by-step explanation:
no Tengo carnitas yo quero sopes
Which table of values appears to have been used to graph the line shown below?
A) X Y
4 4
0 0
-2 -2
B) X Y
-2 2
0 0
-2 -2
C) X Y
-2 2
0 0
2 -2
D) X Y
-2 4
0 0
2 4
Answer:
c is the correct answer
Step-by-step explanation:
Write an equation using "x"and then solve the equation. each supportstaff is paid $xper shift and each doctor is paid $150 more than each support staff. during a shift with 22 doctors and 71supporting staff, the total salary is $26,565
The algebraic equation for the situation is 22x + 3300 +71x = 26565 and the amount paid for a support staff and a doctor per shift is $250.16 and $400.16 respectively.
What is an algebraic equation?
A mathematical statement in which two expressions are rendered equal to one another is known as an algebraic equation. A variable, coefficients, and constants make up an algebraic equation in most cases.
The amount paid per shift for a support staff = x.
The amount paid per shift for a doctor is $150 more than the amount paid per shift for support staff = (x+150)
Number of support staff working during shift =71
Number of doctors working during shift =22
Amount to be paid to 71 support staff = 71x
Amount to be paid to 22 doctors = 22(x+150)
Total salary of the doctors and staff combined = $26,565
So, the final algebraic equation is obtained as -
22(x+150) + 71x = 26565
Solving the equation -
22x + 3300 +71x = 26565
93x = 26565-3300
93x = 23265
x = 23265/93
x = 250.16
So, the amount paid per shift for a support staff is x = $250.16.
The amount paid per shift for a doctor is x+150 = 250.16+150 = $400.16
Therefore, the amount paid to a support staff is $250.16 and doctor is $400.16.
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write the equation of the graph
Make 'P' the subject in the formula A = P(1+r)T
P=A/(1+r)T
Step-by-step explanation:
1) p(1+r)=A/T
2)P=A/(1+r)T
Answer:
P=A/(T+Tr)
Step-by-step explanation:
A = P(1+r)T
Multiply P and T
A=PT(1+r)
Clear the bracket by multiplying all bracketed terms by PT
A=PT+PTr
A=P(T+Tr)
Divide both sides by (T+Tr)
A/(T+Tr)=P(T+Tr)
P=A/(T+Tr)
Five cards are dealt from a shuffled deck. What is the probability that the dealt hand contains a. exactly one ace; b. at least one ace?
The probability of getting at least one ace is approximately 0.3282, or about 32.8%.
What is the probability?
Probability is the study of the chances of occurrence of a result, which are obtained by the ratio between favorable cases and possible cases.
a. To find the probability of getting exactly one ace, we can use the formula:
P(exactly one ace) = (number of ways to get one ace) / (number of possible hands)
There are 4 aces in a deck of 52 cards, so there are 4 ways to choose one ace. Once we have chosen an ace, there are 48 non-ace cards remaining to choose from. Therefore, the number of ways to get exactly one ace is:
4C1 * 48C4 = 4 * 194580 = 778320
The number of possible hands of 5 cards from a deck of 52 cards is:
52C5 = 2598960
So the probability of getting exactly one ace is:
P(exactly one ace) = 778320 / 2598960 = 0.299
Therefore, the probability of getting exactly one ace is approximately 0.299, or about 29.9%.
b. To find the probability of getting at least one ace, we can use the complement rule. That is, we can find the probability of getting no aces, and subtract it from 1 to get the probability of getting at least one ace. The probability of getting no aces is:
P(no aces) = 48C5 / 52C5 = 0.6718
So the probability of getting at least one ace is:
P(at least one ace) = 1 - P(no aces) = 1 - 0.6718 = 0.3282
Hence, The probability of getting at least one ace is approximately 0.3282, or about 32.8%.
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The standard binet intelligence quotient iq measures intelligence. iq scores have a bell shape distribution with a mean of 100 and standard deviation of 15. what percentage of the population has an iq score between 70 and 115?
iq scores have a bell shape distribution with a mean of 100 and standard deviation of 15. 81.855% of the population has an iq score between 70 and 115
What is z-score?
The z score, also referred to as the standard score, serves to calculate how far each data point place is from its mean. In other words, it calculates x's (data point's) deviation in terms of standard deviations.
Using z tables, you may calculate the proportion of the population that is either below or above the score.
Now, according to the question;
IQ scores follow a normal distribution, with a mean of 100 as well as a standard deviation = 15.
A z score is determined as follows:
z = (x - μ)/σ
μ = mean of the distribution
σ = standard distribution of the sampling.
Calculation for the z score for x = 70 and 115
z= (70-100)/15
= -30/15
=-2
and x=115
z = (115 - 100)/15
= 15/15
z = 1.0
Use z-score table, then likelihood that a randomly chosen person's IQ is more than 115 is,
P( -2 < z < 1)= P(z<1) - P(z< -2)
= 0.8413 - 0.02275
= 0.81855
Therefore, the percent of the population has an iq between 70and 115 is 81.855%.
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7. Find the minimum and maximum values of the objective function K(x , y ) = 5x + 3y − 12 if the feasible region is given by the constraints 0 ≤ x ≤ 8, 5 ≤ y ≤ 14, and 2x + y ≤ 24
The minimum value of K(x, y) is 3, and the maximum value is 53 within the given feasible region and constraints.
To find the minimum and maximum values of the objective function K(x, y) = 5x + 3y - 12, subject to the constraints 0 ≤ x ≤ 8, 5 ≤ y ≤ 14, and 2x + y ≤ 24, we need to evaluate the objective function at the vertices of the feasible region.
The feasible region is defined by the intersection of the given constraints:
0 ≤ x ≤ 8,
5 ≤ y ≤ 14, and
2x + y ≤ 24.
Let's consider the corners of the feasible region by examining the intersections of these constraints:
A: (0, 5)
B: (0, 14)
C: (8, 5)
D: (6, 8)
Now, we evaluate the objective function K(x, y) at these corner points:
K(0, 5) = 5(0) + 3(5) - 12 = 3
K(0, 14) = 5(0) + 3(14) - 12 = 30
K(8, 5) = 5(8) + 3(5) - 12 = 53
K(6, 8) = 5(6) + 3(8) - 12 = 50
From these calculations, we can see that the minimum value of the objective function occurs at point A (0, 5) with a value of 3, and the maximum value occurs at point C (8, 5) with a value of 53.
Therefore, the minimum value of K(x, y) is 3, and the maximum value is 53 within the given feasible region and constraints.
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4. Find the product. (4.0 × 10^-2) × (5.2 × 10^8) (1 point)
20.8 x 10^8
2.08 x 10^7
2.08 x 10^6
20.8 x 10^7
Answer:
2.08 × \(10^{7}\)
Step-by-step explanation:
Multiply 4 × 5.4 to get 20.8. Then multiply \(10^{-2}\) × \(10^{8}\) = \(10^{6}\)
However, that is not an answer. So, you can divide 20.8 by 10 and multiply \(10^{6}\) × 10.
Then you get 2.08 × \(10^{7}\)
A beehive contains 5 gallons of honey. A beekeeper removes 4 gallons, 1 pint, and 2 ounces. How much honey remains in the beehive?
Answer: 3 quarts and 14 ounces
Step-by-step explanation:
1 gallon = 4 quarts = 128 ounces,
1 quart = 2 pints,
1 pint = 16 ounces.
Therefore:
5 gallons - ( 4 gallons 1 pint 2 ounces ) =
= 5 * 128 - ( 4 * 128 + 1 * 16 + 2 ) = 640 ounces - 530 ounces = 110 ounces
110 ounces = 3 * 32 + 14
Pam draws three scalene triangles. In each figure, she measures each angle, as shown.
Which conjecture is reasonable for Pam to make?
a. In a scalene triangle, none of the angles are congruent.
b. In a scalene triangle, none of the angles are right angles.
c. In a scalene triangle, one of the angles is obtuse.
d. In a scalene triangle, all of the angles are acute.
Answer:
the answer is c.
Step-by-step explanation:
there's no explanation
(Apologies since this super late; I hope future students will find this helpful)
Answer:
In a scalene triangle, none of the angles are congruent.
Step-by-step explanation:
As shown, the angles in each scalene triangle all have different measurements. Hence, you can conclude that none of the angles in a scalene triangle are congruent.
You can also see the image below if you'd like to confirm this :)
(2a/b)^2×-4=(b/2a)^2x-4 find the value of x
Answer:
x-2
Step-by-step explanation:
_____ is a prediction that focuses on only one independent variable's effect on the dependent variable, ignoring all other independent variables.
Answer:
Correlation
Step-by-step explanation:
Which table represents a relation with a domain of {-1, 2} and a range of {3, 5}
Answer:
B
Step-by-step explanation:
Domain means basically the x values that are included within the graph or table. Range means the y values that are within those numbers. You have to look for x values that lie from -1 and 2, and the y values ranging from 3 to 5.
Answer:
The second one is correct.
Step-by-step explanation:
The graph models the temperature, in degrees Fahrenheit, of a cup of hot water placed in a refrigerator.
Based on the graph, what was the original temperature, in degrees Fahrenheit, of the cup of hot water?
Since the graph of a straight line passing through the origin represents two variables in direct variation, with the slope as the coefficient of proportionality,
what was the original temperature, in degrees Fahrenheit, of the cup of hot water?
The initial temperature of a cup of hot coffee is T(0)=175∘F T ( 0 ) = 175 ∘ F . The cup is placed in a room temperature of T∞=70∘F T ∞ = 70 ∘ F . The temperature T(t) of the coffee at time t can be approximated by Newton's law of cooling as dTdt+kT(t)=kT(∞) d T d t + k T ( t ) = k T ( ∞ ) where k is a constant.Definition and conversion. Historically, on the Fahrenheit scale the freezing point of water was 32 °F, and the boiling point was 212 °F (at standard atmospheric pressure). This put the boiling and freezing points of water 180 degrees apart.OSHA recommends you keep your water heater at 140 degrees Fahrenheit so your risk of being exposed to microorganisms and Legionella is reduced. Various recommendations for safe water temperature is not only varies from safety agency to health agency.To learn more about temperature refers to:
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use circle C
classify arc MNO in circle C
Answer:
Semicircle
Step-by-step explanation:
As we can see, the arc is bounded by the chord MO
since the chord passes through the center of the circle, we have it that the chord is a diameter
Mathematically, an arc bounded by a diameter represents half of a circle
So we can conclude that the arc MNO in circle C is a semicircle
Formula of Base when height = 6m and Area = 42 of a parallelogram
Answer:
B = 7
Step-by-step explanation:
Formula: b = Area/height
42/6 = 7
A pet store receives 4,592 cans of dog food and 8,246 cans
of cat food. How many more cans of cat food than dog
food does the store receive?
Answer:
3654
Step-by-step explanation:
\(8246-4592=3654\)
The domain of a one-to-one function f is [7, infinity). State the range of its inverse f^-1. The range of f^-1 is
The range of the inverse function f^-1 is [7, infinity).
Since the original function f is defined on the interval [7, infinity), it means that f maps values from 7 and greater to its corresponding range. Since f is a one-to-one function, each input value in its domain is mapped to a unique output value in its range.
The inverse function f^-1 reverses this mapping. It takes the output values of f and maps them back to their corresponding input values. Therefore, the range of f^-1 will be the set of values that were originally in the domain of f.
In this case, the domain of f is [7, infinity), so the range of f^-1 will be [7, infinity). This means that the inverse function f^-1 maps values from 7 and greater back to their original input values in the domain of f.
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Solve using substitution.
y = -5 .........(i)
5x - 6y = 40 ..........(i)
Step-by-step explanation:
y =-5
5x-6y=40
5x-6(-5)=40
5x+30=40
5x=40-30
x=10/5
x=2
Answer:
The value of x is 2 and y is -5
Step-by-step explanation:
Here, y = - 5 and 5x - 6y = 40 are two given equations.
Substitution Method:
y = - 5 ...(1)
5x - 6y = 40 ...(2)
Now, put the value of y = - 5 in equation (2) we get,
5x - 6y = 40
5x - 6(-5) = 40
5x - (-30) = 40
5x + 30 = 40
Now, Subtract 30 from both side
5x + 30 - 30 = 40 - 30
5x = 10
Now, Divide by 5 from both side
5x ÷ 5 = 10 ÷ 5
x = 2
Thus, The value of x is 2 and y is -5
FOR VERIFICATION ONLY:5x - 6y = 40
5(2) - 6(-5) = 40
10 - (-30) = 40
10 + 30 = 40
40 = 40
Hence, L.H.S = R.H.S
-TheUnknownScientist
What should the purchase price of a 5-year zero coupon bond be if it is purchased today and has face value of $1,000?
The purchase price of a 5-year zero coupon bond will be $768.87.
What is the percentage?The quantity of anything is stated as though it were a fraction of a hundred. A quarter of 100 can be used to express the ratio. Per 100 is what the term percent signifies. The symbol ‘%’ is used to symbolize it.
Let x be the price before 5 years.
If it is purchased today and has a face value of $1,000. Then we have
(1 + 0.046)(1 + 0.049)(1 + 0.052)(1 + 0.055)(1 + 0.068) x = 1000
(1.046 × 1.049 × 1.052 × 1.055 × 1.068) x = 1000
1.3 x = 1000
x = $768.87
The purchase price of a 5-year zero coupon bond will be $768.87.
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What is the result when the number 94 is increased by 50%?
Answer:
141
Step-by-step explanation:
94 increased by 50% is 141
the picture below shows the shape of a design painted on the side of a building. The design was formed by combining triangles and rectangles.
What is the area of the wall covered by the design?
Therefore , the solution of the given problem of surface area comes out to be 212 square feet of the wall are therefore covered by the design.
What exactly does an area mean?The total size of the object can be determined by calculating how much room would be required to completely cover its exterior. When choosing a similar product with a cylindrical form, the environment is taken into account. Anything's total dimensions are determined by its surface area. The amount of water that a cuboid can hold depends on the number of sides that link its four trapezoidal shapes.
Here,
We must first determine the area of each individual form before adding them together to determine the portion of the wall that the design covers.
Taking a look at the rectangle first, we can observe that it has the following area:
=> 120 square feet= 10 feet x 12 feet.
=> 40 square feet = (1/2)(10 ft)(8 ft).
Consequently, the two triangles' combined area is:
=> 80 square feet = 2 x 40 square feet.
=> (12 square feet) = (1/2)(6 ft)(4 ft).
The total area of all the shapes is as follows:
=> 212 square feet= 120 square feet, 80 square feet, and 12 square feet.
=> 212 square feet of the wall are therefore covered by the design.
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Answer: the answer is 261 ^2 ft!
Step-by-step explanation:
What is the answer to 1/4×4/5
Answer:
1/5 or 0.2
Step-by-step explanation:
1/4 x 4/5 =
=1x4/4x5
=4/20 -OR- 1/5 -OR- 0.2
What is 30% as a decimal
( Will give Brainliest) Please Helpp
Answer:
last option, 32.5
Step-by-step explanation:
32.5 * 9.20 = 299
Answer:
The first option and the answer is actually 32 hours and 30 min but it'll prolly be 33 hours
Step-by-step explanation:
Vinny buys 3.8 pounds of onions that cost $2.75 per pound and 9.4 pounds of potatoes that cost $1.35 per pound. How much did Vinny spend in total?
Answer:
23.14
Step-by-step explanation:
Josh drew the rectangle below and then reflected it over C D to form Rectangle A'B'C'D'. He argues that the image of the rectangle will be in the same location as the original rectangle was. His classmate, Raquel, thinks that it wil not be. Who is correct?
Answer: Raquel
Step-by-step explanation: If you’re reflecting then obviously it’s going to be in a new spot because it flips to somewhere new
Write the equation in slope intercept form y - 4=10(x-5)
Answer:
y = 10x - 46
Step-by-step explanation:
slope intercept form: y = mx + b
m is slope and b is y-intercept
given: y - 4 = 10(x-5)
1. distibute 10
y - 4 = 10x - 50
2. we need to get y by itself so bring -4 to other side
y = 10x - 50 + 4
y = 10x - 46
slope-intercept form is \(y=mx+b\)
\(y=10(x-5)+4\) ↣ We move -4 to another side and become positive number.
\(y=(10x-50)+4\) ↣ Distribute 10 inside the brackets.
\(y=10x-50+4\\y=10x-46\) ↣ Then we get the slope-intercept form.
Thus, the answer is \(y=10x-46\)
The grades on a chemistry exam have an approximately normal distribution with a mean of 78 and a standard deviation of 5. Willa scores a 74. 8 on the exam. What proportion of the students scored higher than her on the exam?.
The proportion of students who scored higher than Willa is 0.7389. Hence, Option B is correct.
The given information is:
Mean (μ) = 78, Standard deviation (σ) = 5, and Willa scores = 74.8
The formula for the Z-score is:
Z = (x-μ) / σ
Where, x is the value, μ is the mean and σ is the standard deviation.
Substitute the values in the above formula, we get:
Z = (74.8 - 78) / 5
= -0.64
The negative sign indicates that Willa's score is less than the mean score.
Now, find the proportion of students who scored higher than Willa.
It can be done in two steps as shown below:
Step 1: Find the area under the standard normal distribution curve corresponding to the calculated Z-score.
The Z-table gives the area to the left of Z = -0.64.
The area to the right of Z is 1 - area to the left of Z.= 1 - 0.2611
= 0.7389
Therefore, the proportion of students who scored higher than Willa is 0.7389.
Hence, Option B is correct.
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