Simplify the expression:
1+4(2x-3)
Answer:
8x - 11
Step-by-step explanation:
?
just do the multiplications and add things up.
1 + 4(2x - 3) = 1 + 8x -12 = 8x - 11
A shopper bought a 12 pound bag of orange for $18.72. How much did it cost per pound
Answer:
$1.56 per pound
Step-by-step explanation:
18.72/12 = 1.56
The peak of a mountain is 197.35 feet above sea level. The bottom of a lake is 131.38 feet below the sea level. What is the difference in elevations between the top of the mountain and the bottom of the mountain lake?
Answer: 65.97
Step-by-step explanation:
Write an integer for this situation 5 feet below sea level
Answer:
282 feet below sea level.
Step-by-step explanation:
Scott is conducting a science experiment. He has 3. 74 liters of liquid A and 3. 65 of liquid B. He pours both liquids into a container. How much liquid is in the container? Estimate and solve. Is your answer reasonable?
He has 3. 74 liters of liquid A and 3. 65 of liquid B: 7.39 liters of liquid is in the container.
= 7.39 liters
I would round 3.74 down to 4.00,
and round 3.65 down to again 4.00
4.00 + 4.00 = 8.00
since 7.39 is close to 8.00, thus the answer is reasonable
Estimation implies approximating an amount to the exactness required. This is finished by adjusting the numbers in question and finding a fast and harsh solution. Adjusting a number to the nearest tenth.
Rounding to the nearest tenth means changing the given number to a rough worth without changing the entire piece of the number. For rounding numbers to the nearest tenth, we want to notice the spot values after the decimal point. For instance, to adjust 3.864 to the nearest tenth, we get 3.9
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On a map of Florida the distance between Jacksonville and Tallahassee in 2.6 centimeters. If 12 centimeters =120 meters, what is the distance between the two cities?
Distance between the two cities is 26 meters.
12 centimeters on the map is equivalent to 120 meters on the ground.
First thing to do is to find out the distance on the ground that 1 cm on the map represents:
= 120 / 12
= 10 meter
1cm on the map is 10 meters on the ground.
If the distance on the map is 2.6 cm, on ground it will be:
= distance on map x conversion factor
= 2.6 x 10
= 26 meters
Distance between the two cities is 26 meters.
Note: check to see if the question said kilometers or miles instead of meters.
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Answer:an artist used interlocking building blocks to build a scale of the Kennedy space center in model 1inch equals 1.67 feet of an actual space shuttle the model is 110.3 inches tall how tall is the actual space shuttle
Step-by-step explanation:
The members of the Smithtown baseball team sell $5 raffle tickets and $20 raffle
tickets for a fundraiser. Emilio sells a total of 50 tickets and has collected $400.
The graph of the system of equations that represents this scenario is shown below.
Which of the following is the best interpretation of the solution to the system of
equations in context of the scenario?
A Emilio has sold 20 of the $20 raffle tickets and 50 of the $5 raffle tickets.
B Emilio has sold 50 of the $20 raffle tickets and 20 of the $5 raffle tickets.
C Emilio has sold 10 of the $5 raffle tickets and 40 of the $20 raffle tickets.
D Emilio has sold 40 of the $5 raffle tickets and 10 of the $20 raffle tickets.
Answer: d
Step-by-step explanation:
The following data show the frequency of rainy days in a year less than 0.01 inch 165 days 0.01 -1 inch 90 days 1.01 - 5 inches 60 days 5.01 -10 inches 40 days more than 10 inches 10 days Find the mode.
The mode of a dataset is the value that appears most frequently. In this case, we need to find the interval of rainfall that occurs most frequently.
From the given data, we can see that the interval "less than 0.01 inch" has the highest frequency with 165 days. Therefore, the mode of this dataset is "less than 0.01 inch"
Effective communication is crucial in all aspects of life, including personal relationships, business, education, and social interactions. Good communication skills allow individuals to express their thoughts and feelings clearly, listen actively, and respond appropriately. In personal relationships, effective communication fosters mutual understanding, trust, and respect.
In the business world, it is essential for building strong relationships with clients, customers, and colleagues, and for achieving goals and objectives. Good communication also plays a vital role in education, where it facilitates the transfer of knowledge and information from teachers to students.
Moreover, effective communication skills enable individuals to engage in social interactions and build meaningful connections with others. Therefore, it is essential to develop good communication skills to succeed in all aspects of life.
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Find the y-intercept of the equation y = -0.5x - 3
Answer: -3
Step-by-step explanation: When you graph this that’s what you get
Answer:
-3
Step-by-step explanation:
the y intercept is when x is 0 on the graph. Since you know x has to be zero, you can substitute x for 0 in the equation:
y = -0.5x0 -3
Now you can ignore that first part of the equation because it equates to 0, and so you get:
y= 0 - 3
which equals:
y=-3
Equivalent expression 6(a+b)
Answer:
6a + 6b
Step-by-step explanation:
is a parallelogram a trapezoid?
Answer:
nooooooooooooooooooooo i think
Answer:
Since a parallelogram has two pairs of parallel sides then it has at least one pair of parallel sides. Therefore, all parallelograms are also classified as trapezoids.
Step-by-step explanation: Hope this helps and have a great day! :)
please help i dont understand this math: It costs $3.45 to buy 3/4 lb of chopped walnuts. How much would it cost to purchase 7.5 lbs of walnuts?
Answer: The cost of the 7.5 lbs of walnuts be $2.16 . It costs $3.45 to buy lb of chopped walnuts.
Answer:
$34.50
Step-by-step explanation:
First, find how much 1 lb costs.
To do this divide 3.45 by 3 to get 1/4 lb and then multiply by 4 to get the cost of 1 lb.
3.45/3 = 1.15 1.15 x 4 = 4.60
So 1 lb is $4.60
Multiply the cost of 1 lb by 7.5 to find the cost for 7.5 lbs
$4.60 x 7.5 = $34.50
Hope this helps!
two containers are used to hold liquid. these containers have exactly the same shape. the first container has a height of 20 cm, and it can hold 320 m3 of liquid. if the second container has a height of , how much liquid can it hold?
The second container can hold approximately 1715 m³ of liquid.
Two containers have exactly the same shape, we can use their height ratio to determine the liquid capacity ratio.
Let's denote the height of the first container as H1 = 20 m and its liquid capacity as C1 = 320 m³.
We want to find the liquid capacity of the second container, C2, given its height H2 = 35 m.
The ratio of the heights is H2 / H1 = 35 m / 20 m = 7/4.
The ratio of the liquid capacities is equal to the ratio of the volumes, since the containers have the same shape. Therefore, we have:
C2 / C1 = (H2 / H1)³
Substituting the given values:
C2 / 320 m³ = (7/4)³
Simplifying the exponent:
C2 / 320 m³ = 343 / 64
To find C2, we can cross-multiply:
C2 = (343 / 64) × 320 m³
Calculating the result:
C2 ≈ 1715 m³
Therefore, the second container can hold approximately 1715 m³ of liquid.
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The question is incomplete the complete question is :
two containers are used to hold liquid. these containers have exactly the same shape. the first container has a height of 20 m, and it can hold 320 m³ of liquid. if the second container has a height of 35 m, how much liquid can it hold?
Solve for x: −7 < x − 1 < 8
Answer:
-6<x<9
Step-by-step explanation:
Calcule el precio de un rollo de alambre si se
sabe que su mitad, sumada con sus 2/3 partes
y sus 5/8 cuestan S/3870. Dé como respuesta la
suma de sus cifras
La suma de las cifras del precio del rollo de alambre es aproximadamente 27.
Para resolver este problema, vamos a llamar "x" al precio del rollo de alambre en soles (S/).
Según la información proporcionada, podemos establecer la siguiente ecuación:
\((\frac{x}{2} )+(\frac{2x}{3} )+(\frac{5x}{8} )= 3870\)
Para simplificar la ecuación, vamos a deshacernos de los denominadores multiplicando toda la ecuación por el mínimo común múltiplo (MCM) de 2, 3 y 8, que es 24.
La ecuación simplificada será:
\(12x + 16x + 15x = 24 \times 3870\)
\(43x = 92880\)
\(x = \frac{92880}{43}\)
\(x \approx 2158.605\)
El precio del rollo de alambre es aproximadamente S/2158.605.
Para obtener la suma de las cifras, redondearemos el precio a dos decimales y luego sumaremos cada dígito:
Suma de las cifras \(= 2 + 1 + 5 + 8 + 6 + 0 + 5 \approx 27\)
La suma de las cifras del precio del rollo de alambre es aproximadamente 27.
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A builder uses parallelogram-shaped stones as decoration around a building’s windows. The stones come in many different sizes. Each stone has a base length of x inches and a height of (4x − 3) inches. Write a polynomial to describe the area of a stone. Then find the area of a stone that has a base length of 10 inches.
the rental is 50 dollars and $15 per minute. If mia has $155, how many minutes can she rent the game set. Use an equation to find the answer
Answer:
Mia can rent the game set for 7 minutes
Step-by-step explanation:
(50)+(15×7)
Which of the following is not a way to represent the solution of the inequality?
7 - 9x - (x + 12) <= 25?
A: x => -3
B: x <= -3
C: -3 <= x
D: a number line with a closed circle on negative 3 and shading to the right
Answer:
B) x <= -3
Step-by-step explanation:
B is the only answer that shows x being less than -3.
all of the other answers show x being greater than -3.
The clock shows 10:32 am. in 24-hour clock time, this is? a. 10:32 b. 1032 c. 2232 d. 10:32 am
In 24-hour clock time the clock shows a. 10:32
We need the basics of converting am/pm system to a 24-hour time. In the 24-hour system, the clock doesn't use am/pm symbol and when the clock shows pm we need to add 12 hours before, for example:
am
01:00 am = 01:00
we don't need to add 12 hours before and erase the am symbol.
pm
01:00 pm = 13:00
we need to add 12 hours before (01 + 12 = 13)
Hence, when the clock shows 10:32 am, we don't need to add 12 hours before and just erase the am symbol. The 24-hour time will be at 10:32.
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Solve the following system.
y = -2x 2 + 3x - 1 and x + y = -1.
The solutions are
and
answers
y=2×2+3×-1 and x+ y= -1
Step-by-step explanation:
y =2×2+3x-1and x + y =1y= -2×2+3x-7 and x+y=-2x3x-1and x+y =-1
Solve for x: 2x + 8 = 4x - 10
Answer:
x = 9
Step-by-step explanation:
2x + 8 = 4x - 10 Given
2x + 8 - 2x = 4x - 10 - 2x Subtraction property of equality
8 = 2x - 10
8 + 10 = 2x - 10 + 10 Addition property of equality
18 = 2x
18 ÷ 2 = 2x ÷ 2 Division property of equality
9 = x Answer
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Solution of the given equation 2x+8=4x-10 is x=9.
Solution of an equation are the values to the unknown variables that makes the equality in the equation true
Given equation is :
2x+8=4x-10, consider it as equation (1)
To solve this equation firstly, we isolate the terms which contain x in the LHS and the constant terms in RHS.
Then, the equation will become:
2x-4x = -10-8
Solving the LHS and RHS:
-2x = -18
Divide both the sides by -2, we get:
x = -18/(-2)
x = 9
That means x=9 satisfies the given equation.
Hence, x=9 is the solution of the given equation.
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Please help me with these questions. Thank you!
Answer:
382.19cm²
Step-by-step explanation:
a / sin(A) = b / sin(B)
a / sin(68) = 53 / sin(95)
a = (53 x sin(68)) / sin(95)
a = 49.33
area = ½absin(C)
C = 180 - (95 + 68)
C = 180 - 163
C = 17°
area = ½(53)(49.33)sin(17)
area = 382.19cm²
What is the MEAN of the data set below?(0.2,0.8,0.4,0.3,0.4,0.4,0.4,0.8,1.3)
Answer:
5/9
Step-by-step explanation:
we add all of the values and divide by the total number in this case 9, all of them add to make 5 so we do 5÷9 to get 5/9
a theater has 22 rows of seats. If there are 27 seats in the 1st row, 30 in the 2nd, 33 in the 3rd and so on how many seats are there in all. PLEASE HELP ASAP
The total number of seats in the theatre are 1287.
Given that:-
Number of rows in the theatre = 22
Seats in 1st row = 27
Seats in 2nd row = 30
Seats in 3rd row = 33
and so on.
This is a question of Arithmetic Progression (AP).
Here,
First element = 27
Common difference = 3
Number of terms = 22
First we will find the number of seats in 22nd row.
Number of seats in 22nd row = 27 + (22-1)*3 = 27 + 21*3 = 27 + 63 = 90.
Now, we have to find,
27 + 30 + 33 + 36 + .... + 90
Hence, sum of the number of seats in all the rows = (22/2)(2*27 + (22-1)*3) = 11(54 + 21*3) = 11(54+63) = 11(117) = 1287.
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what is 4876398 -742 x 2+4769-1
Answer: 4,879,682
Step-by-step explanation:
Answer:
4,879,682
Step-by-step explanation:
a box contains 5 white balls, 8 black balls, and 1 red balls. a) how many red balls must be added to the box so that the probability of drawing a red ball is 2/3 ?
We need to add 25 red balls to the box so that the probability of drawing a red ball becomes 2/3.
To determine how many red balls must be added to the box so that the probability of drawing a red ball is 2/3, we need to consider the current composition of the box and the desired probability.
Currently, the box contains 5 white balls, 8 black balls, and 1 red ball. The total number of balls in the box is 5 + 8 + 1 = 14.
Let's assume we add 'x' red balls to the box. After adding these red balls, the total number of red balls in the box would be 1 + x. The total number of balls in the box would be 14 + x.
The probability of drawing a red ball can be calculated by dividing the number of favorable outcomes (red balls) by the total number of possible outcomes (total balls).
According to the problem, we want the probability of drawing a red ball to be 2/3. Therefore, we have the equation:
(1 + x) / (14 + x) = 2/3
To solve this equation, we can cross-multiply:
3(1 + x) = 2(14 + x)
Simplifying further:
3 + 3x = 28 + 2x
Subtracting 2x from both sides:
x = 28 - 3
x = 25
Therefore, we need to add 25 red balls to the box so that the probability of drawing a red ball becomes 2/3.
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In ABC, the sum of the measures of Angle A and angle B is 47°. What is the measure of Angle C ?
Answer:
∠ C = 133°
Step-by-step explanation:
The sum of the 3 angles in a triangle = 180° , that is
∠ A + ∠ B + ∠ C = 180° ( substitute A + B = 47° )
47° + ∠ C = 180° ( subtract 47° from both sides )
∠ C = 133°
someone help..... pls
Answer:
Go right 4 blocks. Then go down 3 blocks.
Step-by-step explanation:
From Brianna's house at (1,6), move 4 blocks to the right and you will be at (5,6). Next, move 3 blocks down and you will be at Jordan's house at (5,3).
1. When Jack and Jill work together, they can carry a cooler of
water up a hill in 12 hours. When Jill works alone it takes her
7 fewer hours than when Jack works alone. How long would it
take Jack, working alone, to carry a cooler of water up a hill?
9514 1404 393
Answer:
28 hours
Step-by-step explanation:
Let x represent Jack's time. Then Jill's is x-7. Together their rate of carrying water in hills per hour is ...
1/x + 1/(x -7) = 1/12
Multiplying by 12x(x -7) gives ...
12(x -7) +12x = x(x -7)
x^2 -31x +84 = 0 . . . . . subtract the left side and simplify
(x -3)(x -28) = 0 . . . . . . . . . . factor
x = 3 or x = 28 . . . . . . . . . . x-values that make the factors zero
We know the times must be longer than 12 hours, so the value x=3 is extraneous for this problem.
It takes Jack 28 hours to carry the cooler of water up the hill working alone.
What is the equation of
Slope is 0, y - intercept is 5