Answer:
2 real solution
Step-by-step explanation:
3xghrur
In the statement, a property of real numbers has been incorrectly applied.
Correct the right side of the statement.
3(x + 8) = 3x + 8
A candy store owner used a cylindrical wooden log as a bench in their store. The height
of that log was 2
feet. The diameter of its base was 1.25
feet. If it costs $7.20
per square foot to paint that log at every side, how much approximately will it cost the
store owner? The total surface area of the right circular cylinder is 2nrh+2rr2
, where, r
is the radius of the base of the cylinder and, h
is the height of the cylinder
Answer:
Step-by-step explanation:
its 60
The vertex of this parabola is at (3, -2). When the x-value is 4, the y-value is 3. What is the coefficient of the squared expression in the parabola's equation?
Answer:
B. 5
Step-by-step explanation:
You can fill in the given numbers in the vertex form equation and solve for the coefficient.
y = a(x -h)^2 +k
3 = a(4 -3)^2 -2
3 +2 = a·1 . . . add 2
5 = a
The coefficient of the squared expression is 5.
____
The offered x-value is 1 different from the vertex, so the value of that coefficient is the amount of change in the function. The function rises from -2 to +3, so has a change of 5 units. The coefficient is 5.
PLEASE HELP!!! I GIVE BRAINLIEST!!!!! *not for a test*
Answer:
depending on what it is I’ll try my best to help
Step-by-step explanation:
Which is the graph of g(x)=[x+3
The graph of the function g(x) = x + 3 is a straight line that passes through the point (0, 3) on the y-axis and has a slope of 1.
To understand how to plot the graph, let's consider a few points on the line.
We can choose any values for x and calculate the corresponding values for g(x).
Let's start with x = 0.
Substituting this value into the function, we get g(0) = 0 + 3 = 3.
So, the point (0, 3) is on the graph.
Next, let's choose x = 1.
Substituting this value into the function, we get g(1) = 1 + 3 = 4.
This gives us another point on the line, (1, 4).
Similarly, we can choose more values for x and calculate the corresponding values for g(x).
For example, if we let x = -1, we get g(-1) = -1 + 3 = 2, giving us the point (-1, 2).
By connecting these points and extending the line in both directions, we obtain a straight line that represents the graph of g(x) = x + 3.
The line has a positive slope of 1, which means it rises by 1 unit vertically for every 1 unit it moves horizontally.
Overall, the graph of g(x) = x + 3 is a straight line that passes through the point (0, 3) and has a slope of 1.
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A certain state uses the following progressive tax rate for calculating individual income tax:
Income
Progressive
Range ($)
Tax Rate
0 - 10,000
3%
10,001 - 50,000
5%
50,001 - 100,000
5.5%
Calculate the state income tax owed on a $40,000
per year salary.
tax = $[?]
Round your answer to the nearest whole dollar amount.
The state income tax owed on a $40,000 per year salary is $1,500.
We have,
To calculate the state income tax owed on a $40,000 per year salary, we need to use the progressive tax rate table given in the problem.
Since $40,000 falls within the income range of $10,001 to $50,000, the tax rate that applies is 5%.
The amount of income that falls within this range.
= $40,000 - $10,000
= $30,000.
So we can calculate the tax owed on this income as:
tax = 5% x $30,000
= 5/100 x 30,000
= $1,500
Therefore,
The state income tax owed on a $40,000 per year salary is $1,500.
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Answer: 1,800
Step-by-step explanation:
first pirson to type 1 i will see if i can give brainlist but idk how bot i will try
Answer:
1
Step-by-step explanation:
you asked to type 1
The cylindrical part grain silo is 10 meters tall and has a radius of 5 meters.
What is the volume of grain that the cylindrical part of the silo will hold?
50π m³
250π m³
500π m³
750π m³
Answer:
Volume of cylinder = 250πm³
Step-by-step explanation:
Given:
Height h = 10 m
Radius r = 5 m
Find:
Volume
Computation:
Volume of cylinder = πr²h
Volume of cylinder = π(5)²(10)
Volume of cylinder = 250πm³
Expand and simplify x(3x + 5)-5(2x - 1)
PLEASE HELP ME AND ANSWER THIS QUESTION !! I need this for my assessment revision
The simplified expression of x(3x + 5)-5(2x - 1) is 3x² - 5x + 5
How to expand and simplify the expressionFrom the question, we have the following parameters that can be used in our computation:
x(3x + 5)-5(2x - 1)
Open the brackets
So, we have
3x² + 5x - 10x + 5
Evaluate the like terms
So, we have
3x² - 5x + 5
Hence, the simplified expression is 3x² - 5x + 5
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The Napoli family combined two bags of dry cat food into a plastic container. One bag had 5⁄6 kg of cat food. The other bag had 3⁄4 kg. What was the total weight of the container after the bags were combined
Answer:
19/12 or 1 \(\frac{7}{12}\) kg
Step-by-step explanation:
5/6 + 3/4
10/12 + 9/12 = 19/12 or 1 \(\frac{7}{12}\) kg
Sara reduced the time it takes her to run a mile from 12 minutes to 8 minutes. Which is closest to Sara's percent decrease in the time it takes her to run a mile?
Answer:
33%
Step-by-step explanation:
f(x)=x^2 what is g(x)
Answer:
A.g(x)= 4x^2 because the parabola is a compression and the higher the coefficient, the skinnier the parabola
hlw guys plz help me which set is this.for examples: A u B , A u B u C...like that..plz help me
Answer:
answer is;AnBnC ( common place for all)
HAVE A NİCE DAY
Write the equation of the line in fully simplified slope-intercept form.
-12-11-10-9-
12
11
10
9
R
5
4
2
654-3-2-1
-2
3
4
-5
-6
-8
6
-10
-11
-12
34567 8 9 10 11 12
The equation of the line in fully simplified slope-intercept form is y = x + 7.
We have,
From the graph,
The coordinates of the line are:
(0, 7), (-7, 0), and (-2, 5).
We can use any coordinates the line touches on the graph.
We will use,
(0, 7) and (-7, 0)
The equation can be written in the form y = mx + c
m = (0 - 7) / (-7 - 0)
m = -7/-7
m = 1 ______(1)
And,
(0, 7) = (x, y)
So,
y = mx + c ______(2)
7 = 1 x 0 + c
7 = c
c = 7 ______(3)
Now,
From (1), (2), and (3).
y = x + 7
Thus,
The equation of the line in fully simplified slope-intercept form is y = x + 7.
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3:Let f be a quadratic function such that
f(x) = ax² +bx+c = a (x-h)² + k
If k < 0, for what values of a will f(x) have no real zeros?
O a=0
O a<0
O azo
4.
O a>0
O aso
none of the answer choices
Answer:
O a=0
Step-by-step explanation:
35 POINTSThe line contains the point (-8,7) and is perpendicular to 3x+2y=-7 The equation of the line is:
Answer:
The answer is
\(y = \frac{2}{3} x + \frac{37}{3} \)Step-by-step explanation:
Equation of a line is y = mx + c
where
m is the slope
c is the y intercept
To find the equation of the perpendicular line we must first find the slope of the original line
We must first write the equation in the general form above in order to find the slope
3x + 2y = - 7
2y = - 3x - 7
Divide both sides by 2
y = - 3/2x - 7/2
Comparing with the general equation above
Slope = - 3/2
Since the lines are perpendicular to each other the slope of the perpendicular line is the negative inverse of the original line
Slope of perpendicular line = 2/3
So the equation of the line using point (-8,7) and slope 2/3 is
\(y - 7 = \frac{2}{3} (x + 8) \\ y - 7 = \frac{2}{3} x + \frac{16}{3} \\ y = \frac{2}{3} x + \frac{16}{3} + 7\)
We have the final answer as
\(y = \frac{2}{3} x + \frac{37}{3} \)
Hope this helps you
katie collets stamp she has stamps from canada, United Staes,ands Rest of the world in a ratio of 1:1.2:1.5 she has 135 stamps from rest of the world
Answer:
90 stamps from Canada, 108 stamps from the United States, and 135 stamps from the Rest of the World
Step-by-step explanation:
Since this is a problem of proportion we can use the Rule of three to solve this. We do this by multiplying the diagonal available values and dividing by the third value in order to get the missing variable, which in this case would be the number of stamps in the other country. Like so...
1.5 <=====> 135 stamps
1.2 <=====> x stamps (United States)
(1.2 * 135) / 1.5 = 108 stamps (United States)
1.5 <=====> 135 stamps
1 <=====> x stamps (Canada)
(1 * 135) / 1.5 = 90 stamps (Canada)
Finally, we can see that Katie had 90 stamps from Canada, 108 stamps from the United States, and 135 stamps from the Rest of the World. All creating a ratio or 1:1.2:1.5
Can someone help me with this please?
Answer:
The triangles are similar.
Explanation:
Similar triangles have 3 pairs of congruent angles. In this diagram, we can see that the triangles WXP and WYZ share angle W, which is congruent to itself; therefore, they have at least 1 pair of congruent angles. We are given that angle X is congruent to angle Y, so that is a second pair of congruent angles. Finally, we know that angle P is congruent to angle Z because if two pairs of corresponding angles are congruent, then the third pair must also be congruent because the measures of the interior angles of both triangles have to add to 180°.
Compare the values of the following numbers, using the symbols > (greater than), < (less than), and = (equal to).
0.5 _____0.500
Answer:
0.5 = 0.500
Step-by-step explanation:
Both numbers are five-tenths. The zeros to the right of the 5 are not place holders and do not change the value of the number.
0.5 = 0.500
Bookwork code: N84
This is a new version of the question Make sure you start now workings
Calculate the range, in centimetres (cm), of the following
lengths:
15 cm, 0.5 cm, 10.3 cm, 16.7 cm, 21 cm,
8.6 cm
The range, in centimetres (cm), of the following lengths is 20.5 cm
What is the range?
The difference between the lowest and highest numbers is referred to as the range. For instance, the range will be 10 - 2 = 8 if the given data set is 2, 5, 8, 10, and 3.
As a result, the range may alternatively be thought of as the distance between the highest and lowest observation. The range of observation is the name given to the outcome. Statistics' range reflects the variety of observations.
Given, 15 cm, 0.5 cm, 10.3 cm, 16.7 cm, 21 cm, 8.6 cm
So, the highest value of length = 21 cm
the lowest value of length = 0.5 cm
Then, range = the highest value - the lowest value
= 21 - 0.5 = 20.5 cm
Hence, the range, in centimetres (cm), of the following lengths is 20.5 cm
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What is 5x + 12 < 2 ?
Answer:
x < -2
General Formulas and Concepts:
Pre-Algebra
Order of Operations: BPEMDAS
Brackets Parenthesis Exponents Multiplication Division Addition Subtraction Left to RightAlgebra I
Equality Properties
Multiplication Property of Equality Division Property of Equality Addition Property of Equality Subtraction Property of EqualityTerms/Coefficients
Step-by-step explanation:
Step 1: Define
Identify.
5x + 12 < 2
Step 2: Solve for x
[Subtraction Property of Equality] Subtract 12 on both sides: 5x < -10[Division Property of Equality] Divide 5 on both sides: x < -2Answer:
x < - 2
Step-by-step explanation:
5x + 12 < 2 ( subtract 12 from both sides )
5x < - 10 ( divide both sides by 5 )
x < - 2
If the 5 represents the number of people, what does the 4 represent?
The amount out of the 5 people doing something most likely :)
If you select a card at random, what is the probability of getting a 4 of hearts
Answer:
LOVE I THINK LOL
Step-by-step explanation:
FOUR HEARTS MEAN YOU ARE GOING TO MARRY A LOVLY WOMAN LOL.
Provide the missing reasons for the proof.
Answer:
1. Given
2. Vertical Angles Congruence Therom
3. Side - Angle - Side Congruence Postulate
Step-by-step explanation:
Look at the attached image
What is the measure of Angle B A C?
Triangle A B C. Angle B is 50 degrees, angle C is 50 degrees, and angle A is blank.
50 degrees
80 degrees
100 degrees
130 degrees
When I make two batches of cookies I need 4 cupsOf chocolate chips. How many chocolate chips would I need if I made 3 batches of cookies?
Answer:
it would be 6 cups I don't know how to explain though
Step-by-step explanation:
The graph of linear function is shown on the coordinate grid. what is the slope of the graph of this function?
a. 7/3
b. 3/7
c. -7/3
d. -3/7
I need help!!
Answer:
You are right, it is C. -7/3
Step-by-step explanation:
Rise/run - to get from point (2, 5) to (5, -2), you go down 7 and right 3.
But it seems you already know this :)
Janella is using this model of two squares and a right triangle to prove the Pythagorean Theorem.
What could Janella draw on the model to explain the Pythagorean Theorem?
9514 1404 393
Answer:
see below
Step-by-step explanation:
Janella could draw a square of side length 'c' attached to the figure on the side labeled 'c'.
will give thanks and brainly
trig
Required length of HF, angle H, angle F are 12.05 unit, 44.2°, 80.5° respectively.
How to find the length of the third side of a triangle when length of two sides are already given?
To find the length of the third side, HF, we can use the Law of Cosines, which states that:
c² = a² + b² - 2ab cos(C)
where c is the length of the side opposite angle C, and a and b are the lengths of the other two sides.
In this case, we have:
HF² = HG² + GF² - 2HG × GF × cos(HGF)
HF² = 7² + 13² - 2 × 7 × 13 × cos(136°)
HF² = 49 + 169 - 182cos(136°)
HF² ≈ 145.35
Taking the square root of both sides,
HF ≈ 12.05
So the length of the third side, HF, is approximately 12.05 units.
To find the angles, we can use the Law of Sines, which states that,
a/sin(A) = b/sin(B) = c/sin(C)
where a, b, and c are the lengths of the sides opposite angles A, B, and C, respectively.
In this case, we know the lengths of HG, GF, and HF, so we can find the angles H and F,
sin(H) / 7 = sin(136°) / 12.05
sin(H) ≈ 0.689
H ≈ 44.2°
sin(F) / 13 = sin(136°) / 12.05
sin(F) ≈ 0.992
F ≈ 80.5°
Therefore, the length of HF is approximately 12.05 units, the angle H is approximately 44.2°, and the angle F is approximately 80.5°.
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About 3% of the population has a particular genetic mutation. 600 people are randomly selected.
Find the mean for the number of people with the genetic mutation in such groups of 600.
The mean for the number of people with the genetic mutation in such groups of 600 is 18.
Given that,
About 3% of the population has a particular genetic mutation.
This means that for any group of people, 3% of the people has a particular genetic mutation.
This is a binomial distribution.
Probability that people having genetic mutation = 3% = 0.03
Random sample size = 600
Mean for a binomial distribution can be calculated as,
Mean = n × p
= 600 × 0.03
= 18
Hence the mean number of people having genetic mutation is 18.
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