Answer:
The numerical expression that can be used to find Luis's age is:
y = x + 4
y = 14 + 4
y = 18 years
Step-by-step explanation:
Let us represent:
Clara's age = x
Luis's age = y
Clarissa is 14 years old. Her brother, Luis, is 4 years more her age.
Hence , the numerical expression that can be used to find Luis's age is:
y = x + 4
y = 14 + 4
Therefore, Luis's age is 18 years
What is the surface area of a sphere with a 4 ft diameter (round to 1 decimal)?
A) 12.6 ft2
B) 16.7ft2
C) 50.2 ft2
D) 100 ft2
TSA:-
4πr²4π(2)²3.14(4)(4)16(3.14)59.24ft²Houa and her children went into a grocery store and she bought $9
worth of bananas and peaches. Each banana costs $0.50 and each
peach costs $1.50. She bought a total of 10 bananas and peaches
altogether. Graphically solve a system of equations in order to
determine the number of bananas, x, and the number of peaches, y,
that Houa bought.
The number of bananas are 6 and the number of peaches are 4.
What is system of equations?
A finite set of equations for which common solutions are sought is referred to in mathematics as a set of simultaneous equations, also known as a system of equations or an equation system.
Given:
Hua and her children went into a grocery store and she bought $9
worth of bananas and peaches.
Each banana costs $0.50 and each
peach costs $1.50. She bought a total of 10 bananas and peaches altogether.
Let
B = number of bananas
P = number of peaches
0.5 * B = cost of number of bananas purchased
1.5 * P = cost of number of peaches purchased
So,
B + P = 10 ..(1)
0.5B + 1.5P = 9 ..(2)
From equation (1),
B = 10 - P ..(3)
Plug value of B in equation (2),
0.5(10 - P) + 1.5P = 9
5 - 0.5P + 1.5P = 9
5 + P = 9
P = 4
Plug P = 4 in equation (3)
B = 10 - 4
B = 6
Hence, the number of bananas are 6 and the number of peaches are 4.
To know more about system of equations, click on the link
https://brainly.com/question/13729904
#SPJ1
what is 200x149 who can answer that for me i need help on this my teacher said i cant use couculater
Answer:
29,800
Step-by-step explanation:
that will be 149 x 2 which equals 298
149
×2 Multiply 9 × 2 = 18
------ Keep the 8 carry the 1 multiply 4 by 2 then add 1 finally multiply 2 by 1
298
Then add two zeros at the end since we're multiplying a number with two zeros. (This method only works for numbers that end with zeros)
Final answer: 29800
find a function f such that f '(x) = 3x^2 + 6x + 5. are there any other functions that satisfy this?
The one function that satisfies f '(x) = 3x² + 6x + 5 is f(x) = x³ + 3x²÷2 + 5x + C. where C is the constant of integration.
How we find the function?The given function's derivative is f'(x) = 3x² + 6x + 5.
To find the original function f(x), we need to integrate the derivative.
We can integrate the given function f'(x) term by term, using the power rule of integration:
∫f'(x) dx = ∫(3x² + 6x + 5) dx
f(x) = x^3 + 3x²÷2 + 5x + C
Any constant value of C can be added to the above function, resulting in an infinite number of functions that satisfy
f '(x) = 3x² + 6x + 5.
f(x) = x^3 + 3x²÷2 + 5x + 2 and f(x) = x³ + 3x²÷2 + 5x - 7 are both valid solutions to f '(x) = 3x² + 6x + 5, with different constant values of C.
This is because the constant of integration represents an arbitrary constant, and when we take the derivative, the constant term becomes zero. Hence, any function that differs from the original function by a constant value will also have the same derivative.
Learn more about Function
brainly.com/question/12426369
#SPJ11
Fill in the missing number.
_groups of 3 equal 27.
Answer:
9 groups of 3 equal 27
Step-by-step explanation:
Fill in the missing number.
9 groups of 3 equal 27
because 9 × 3 = 27
a patient receives a 15 iscount for a visit to the healthcare provider. the total charger for the service is $532.00. how much will the patient pay in full today?
The patient will pay $452.20 in full today after applying the 15% discount.
If the patient receives a 15% discount for a visit to the healthcare provider and the total charge for the service is $532.00, the patient will pay 100% - 15% = 85% of the total charge.
To calculate the amount the patient will pay in full today, we need to find 85% of $532.00.
85% of $532.00 can be calculated as:
(85/100) * $532.00 = $452.20
Know more about discount here:
https://brainly.com/question/31430480
#SPJ11
2. 8 × - 11 - 3× + 8
please solve this thankyou!!
Answer:
-54.8 ( in fraction -274/5)Step-by-step explanation:
2.8 × (-11) - 3 × 8 =
-30.8 - 24 =
-54.8 ( in fraction -274/5)
Terry has an investment account which compounds interest continuously at a rate of 1.4%. He puts $1600 in the account initially. After 3 years, how much money is in the account?
\(~~~~~~ \textit{Continuously Compounding Interest Earned Amount} \\\\ A=Pe^{rt}\qquad \begin{cases} A=\textit{accumulated amount}\\ P=\textit{original amount deposited}\dotfill & \$1600\\ r=rate\to 1.4\%\to \frac{1.4}{100}\dotfill &0.014\\ t=years\dotfill &3 \end{cases} \\\\\\ A=1600e^{0.014\cdot 3} \implies A \approx 1668.63\)
before the electronic calculator became widely available, logarithms were used to carry out complicated calculations. true false
True, Logarithms were used extensively for complicated calculations before the electronic calculator became widely available. A logarithm is a mathematical function that helps simplify complex arithmetic operations by converting multiplication and division into addition and subtraction, respectively.
By using logarithms, complex calculations could be broken down into simpler steps and performed more easily. Logarithms were particularly useful in fields such as astronomy, physics, and engineering, where large numbers and complicated formulas were common. However, with the advent of electronic calculators, the use of logarithms for everyday calculations declined. Today, logarithms are still used in certain fields and for specific applications, but they are no longer the primary tool for carrying out complicated calculations.
Before the electronic calculator became widely available, logarithms were used to carry out complicated calculations. Logarithms simplified complex calculations by turning multiplication and division operations into addition and subtraction.
To know more about Logarithms visit :-
https://brainly.com/question/30226560
#SPJ11
sale of eggs that are contaminated with salmonella can cause food poisoning among consumers. a large egg producer takes an srs of 200 eggs from all the eggs shipped in one day. the laboratory reports that 9 of these eggs had salmonella contamination. unknown to the producer, 1% of all eggs shipped had salmonella. in this situation, a. both 1% and 9 are statistics. b. both 1% and 9 are parameters. c. 9 is a parameter and 1% is a statistic. d. 1% is a parameter and 9 is a statistic.
If unknown to the producer, 1% of all eggs shipped had salmonella. in this situation, 1% is a parameter, and 9 is a statistic. So, correct option is D.
In statistics, parameters are characteristics of a population, while statistics are characteristics of a sample. In this scenario, the population refers to all the eggs shipped on that particular day, while the sample is the 200 eggs that were tested.
The producer was unaware that 1% of all the eggs shipped that day had salmonella, which means that 1% is a parameter since it is a characteristic of the population.
On the other hand, the laboratory report shows that 9 out of the 200 eggs tested were contaminated with salmonella. Therefore, 9 is a statistic because it is a characteristic of the sample.
So, the correct answer is (d): 1% is a parameter, and 9 is a statistic. It is important to understand the difference between parameters and statistics because it helps in making inferences about a population based on a sample, which is an essential part of statistical analysis.
To learn more about parameter/statistic click on,
https://brainly.com/question/30352109
#SPJ4
Isosceles triangle ABC contains angle bisectors segment BF, segment AD, and segment CE that intersect at X. triangle ABC with diagonals BF, AD, and EC that intersect at point X
If segment BA is congruent to segment BC and m∠BCA = 44°, what is m∠CXA?
136°
132°
68°
44°
Answer:
Where is the picture?
Answer:
132
Step-by-step explanation:
The volume of one of the Great Lakes is 3.5 × 103 cubic kilometers. If there are 6.3 × 107 fish in the lake, what is the average number of fish per cubic kilometer?
write the expression as a single real number. Do not use decimal approximations
sin(pie/6)cos(pie/2)-cos(pie/60)sin(pie/2)
The expression as a single real number is \(\frac{1-\sqrt{3} }{2}\) .
What is trignomentry ?
Trigonometry is a branch of mathematics that deals with the relationships between the angles and sides of triangles, particularly right triangles. It is used to study the properties of triangles and to solve problems involving angles and distances in two-dimensional space.
sin(π/6)cos(π/2) - cos(π/60)sin(π/2)
The first term in the expression, sin(π/6)cos(π/2), can be simplified as follows ,
sin(π/6) = √(3)/2, cos(π/2) = 0
so sin(π/6)cos(π/2) = (√(3)/2) * 0 = 0
The second term in the expression, -cos(π/60)sin(π/2) , can be simplified as follows ,
sin(π/2) = 1, cos(π/60) = sqrt(3)/2 - 1/2
so -cos(π/60)sin(π/2) = -(sqrt(3)/2 - 1/2) * 1 = -sqrt(3)/2 + 1/2
Now we can substitute the simplified values back into the original expression ,
0 - (-sqrt(3)/2 + 1/2)
and combining like terms, \(\frac{1-\sqrt{3} }{2}\),
Hence , The expression as a single real number is \(\frac{1-\sqrt{3} }{2}\) .
To learn more about trignomentry visit : brainly.com/question/22986150
#SPJ4
Rita was paid $162 for a week's work after 10% deductions
for taxes. How much did she make before the deductions
were made?
Answer:
$180
Step-by-step explanation:
Let's say Rita's weekly salary before taxes is x. We are told that 10% is removed for taxes. The amount remaining is $162.
We can write this as:
x - (0.1)x = $162
This can be read as: (Salary For a Week) - 10%(Salary For a Week) = Remaining haul
0.9x = $162
x = $180
======================
CHECK:
Does Rita have $162 after 10% of her $180 weekly salary is removed for taxes?
(10%)($180) = $18 [10% is equal to 0.10]
$180 - $18 = $162 YES
Okay might be my last one I hope!
Answer: This question has two answers: 3 or 1 either or
Step-by-step explanation:
The sum of 2 numbers is 126. The larger number is 5 times larger than the smaller number. Find the numbers
Answer:
105+21=126
Step-by-step explanation:
product of 2,4,6 please tell
Answer:
Product of 2,4,6 is 48❤️❤️❤️❤️
Please help.
Is algebra.
Answer:
1. 6a^3
2. -6n^4
3. -7a
Step-by-step explanation:
Hope this helps
The exact circumference of a circle is 15.6π inches. What is the approximate area of the circle? Use 3.14 for π . Round to the nearest hundredth if necessary. Explain how you found your answer.
Answer:
r = 3.95
Explanation:
A = \(\pi {r}^{2} \)
3.14r² = 15.6 (3.14)
Divide by 3.14
r² = 15.6
r = \( \sqrt{15.6} \)
r ≈ 3.95
How do you find the area of a contour?
Kathy has 68 coins in total. She has 5 more dimes than quarters and 5 times as many nickels than quarters. How many of each coin does she have?
Kathy has 28 dimes, 33 quarters, and 7 nickels, for a total of 68 coins which was found by solving three simultaneous equations.
What exactly are simultaneous equations?Two or more algebraic equations that share variables, such as x and y, are referred to as simultaneous equations. Because the equations are solved simultaneously, they are referred to as simultaneous equations. Each of these equations could have an infinite number of solutions.Given: Kathy possesses a total of 68 coins. She has 5 more dimes than quarters and 5 times as many nickels as quarters.
Let,
number of of coins of dimes = d
number of coins of quarters = q
number of coins of nickels = n
From the given information, we can form equations as follows:
q = 5 + d
q = 5n
d + q + n = 68
Arranging these equations,
q = 5n
d = 5n - 5
n = q/5
On solving these three equations simultaneously,
we get
d = 28
q = 33
n = 7
Therefore, Kathy has 28 dimes, 33 quarters and 7 nickels which together form 68 coins in total.
Learn more about problems based on simultaneous equations here:
https://brainly.com/question/15165519
#SPJ13
Help me!!!!!!!!!!!!!!!!!!!!!
Answer:
\( \frac{7}{3} and \: \frac{8}{3} \)
Step-by-step explanation:
so let's start with what we know:
\(2 \frac{1}{3} \times 2 \frac{2}{3} \)
now to get it into non mixxed numbers:
2*3 = 6
6+1
_____
\( \frac{7}{3} \)
2*3=6
6+2=8
______
\( \frac{8}{3} \)
now to cross mutiply them:
7*3
Which of the following is a function? *
{(5, 0), (0, −8), (5, −5)}
{ 5, 0, -8. -5}
Option 5
{(5, 0), (0, 5), (−5, −5)}
{(5, 0), (−8, −5), (−8, 5), (−5, −8)}
Answer:
{(5,0),(0,5),(-5,-5)}
Step-by-step explanation:
. Shaniqua can read at a speed of 50 pages per hour. She reads 275 pages one weekend. How many hours does she read? PLZ HELP AND ADD WORK
Answer:
5 and a half hours
Step-by-step explanation:
How many times does 50 go in to 275
1. 50
2. 100
3. 150
4. 200
5. 250
and to get 275 you add half of 50 which is 25
Answer:
5 hours and 30 minutes.
Step-by-step explanation:
5x50=250
remainder 25
half of an hour is 30 mins and half of 50 is 25.
therefore; add the 5h and 30m to get 5h30m
HELP PLEASEEE
20 POINTS FOR THIS ONE
Answer:its B
Step-by-step explanation:
Find the value of f(-3)f(−3).
in a hypothesis testing context, before examining the data, one should a. compute the p-value for the test. b. decide whether or not to reject the null hypothesis. c. decided whether the alternative hypothesis is one-sided or two-sided. d. all of the above.
In a hypothesis testing context, before examining the data, one should typically decide whether the alternative hypothesis is one-sided or two-sided. This decision is based on the specific research question and the expected direction of the effect being tested.
It helps determine the appropriate statistical test and the formulation of the null and alternative hypotheses.
The computation of the p-value and the decision of whether or not to reject the null hypothesis are made after examining the data and conducting the statistical analysis. The p-value is a measure of the strength of the evidence against the null hypothesis, and it is compared to a predetermined significance level to make a decision. If the p-value is below the significance level, the null hypothesis is typically rejected in favor of the alternative hypothesis.
Therefore, the correct answer is (c) decided whether the alternative hypothesis is one-sided or two-sided.
To learn more about Hypothesis - brainly.com/question/31319397
#SPJ11
There are 3 teaspoons in 1 tablespoon. How many teaspoons are there in 6 tablespoons?
Answer:
18
Step-by-step explanation:
we can solve this as a ratio, from teaspoons to tablespoon is 3:1. if the tablespoon is 6 then the ratio becomes ?:6. Since we multiplied 1 by 6 we have to multiply 3 by 6 making the ratio 18:6.
Isaac’s family took a cab to a concert. The bill came to a total of $43.50. The family wants to tip the driver at least 20%. Which tip amounts would be sufficient? Select all that apply.
$7
$8
$9
$10
$11
Answer:
The option d is the correct answer
how do I find the value of x in a isosceles and equilateral triangle