Answer:
6
Step-by-step explanation:
The constant is the number that's all by itself with no variable.
x is the variable. It can vary (change) as you use different values for x.
There are four terms here in the expression in your question they are separated by the plus or minus signs.
2 and 4 are exponents. 3 and 5 are coefficients.
x^4 is a fourth degree term. 3x^2 is a second degree term. 5x is a first degree term. The whole expression is 4th degree because the highest exponent is 4.
But the 6 is all by itself. 6 is the constant.
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Answer:
See below
Step-by-step explanation:
Sine function would be easiest
in a right triangle sin = opposite leg / hypotenuse
sin 57 = 10.8 / x
then x = 10.8 / sin 57 then x = 12.88 units
Marcella is flying a kite in a competition. To win the competition, her kite string must have at least 162 feet released. The kite is 75 feet above her. The angle of the string and her hand is forming a 28 degree angle. Will she be able to win the competition? Show your work.
For question 1, will she win the competition? Type yes or no
Marcella won't be able to win the competition because the length of the rope is less than 162 feet.
How to find the sides of a right angle triangle?
The situation forms a right angle triangle.
The kite released rope is the hypotenuse side of the triangle formed.
The opposite side of the triangle is the height of the kite from the ground.
Therefore,
sin 28 = opposite / hypotenuse
sin 28 = 75 / h
h = 75 / sin 28
h = 75 / 0.46947156278
h = 159.754085116
h ≈ 160 feet
Therefore, she won't be able to win the competition because the length of the rope is less than 162 feet.
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Write -0.65 as a fraction or mixed number in simplest form. (you may use an improper or a mixed number as your final answer.)
Answer:
-13/20
Step-by-step explanation:
-0.65 can be written as -65/100. To simplify, divide both numerator and denominator with 5. 65/5=13. 100/5=20
And you get -13/20 for your answer.
The area of a rectangular parking lot is 7081 m²
If the length of the parking lot is 97 m, what is its width?
Step-by-step explanation:
So the question is easy ....The thing that you need to do here is ...You should divide area by length....and you will get your answer....
Area of square = l²Area of rectangle = l × bArea of rectangular parking lot = 7081 m²
length of parking lot = 97 m
Width = ?
Now,
Area = l × b
7081 = 97 × b
7081 / 97 = b
b = 73 m
Hence the width is 73 m....
Which ordered pair is a solution to the following system of inequalities?
y < –x2 + x
y > x2 – 4
(0, –1)
(1, 1)
(2, –3)
(3, –6)
Answer: (0,-1)
Step-by-step explanation:
Let's start with the first inequality, [tex]y < -x^{2}+x[/tex]. To check which points satisfy this inequality, we can substitute the x- and y-coordinates and see if they satisfy the inequality.
A) [tex]-1 < -0^{2}+0 \longrightarrow -1 < 0 \longrightarrow \text{ True}[/tex]B) [tex]1 < -1^{2}+1 \longrightarrow 1 < 0 \longrightarrow \text{ False}[/tex]C) [tex]-3 < -2^{2}+2 \longrightarrow -3 < -2 \longrightarrow \text{ True}[/tex]D) [tex]-6 < -3^{2}+3 \longrightarrow -6 < -6 \longrightarrow \text{ False}[/tex]Once again, we can repeat this for the second inequality (but this time, we only need to check the points that satisfy the first inequality).
A) [tex]-1 > 0^{2}-4 \longrightarrow -1 > -4 \longrightarrow \text{ True}[/tex]C) [tex]-3 > 2^{2}-4 \longrightarrow -3 > 0 \longrightarrow \text{ False}[/tex]Therefore, the answer is (A) (0, -1).
2. Calculate the amount of compound interest paid on $7300 at the end of 3 years for each
rate. [2 marks each]
a) 10% compounded semi-annually
b) 8% compounded monthly
The compound interest when $7300 when interest is compounded semi annually is $2482.70.
The compound interest when $7300 when interest is compounded monthly is $1972.73.
What is the compound interest?An investment earns compound interest when both the amount invested and the interest accrued increases in value at predetermined time intervals.
The formula to represent compound interest is :
FV - amount invested
FV = P (1 + r)^nm
FV = Future value P = Present value R = interest rate m = number of compoundingN = number of yearsa. 7300 x [1 + (0.1/2)]^(3 x 2) = 9782.70
Compound interest = 9782.70 = 7300 = $2482.70
b. 7300 x [1 + (0.08/12)]^(12 x 3) = 9272.73
9272.73 - 7300 = $1972.73
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MATH!!! (please answer correctly...) find the surface area of the prism
What is the standard error of the sampling distribution of sample proportion?.
Answer:
√ (p(1-p) / n)
Step-by-step explanation:
Standard Error(SE) of the Sample Proportion: √ (p(1-p) / n). Note: as the sample size increases, the standard error decreases.
---Hope this helps you! Feel free to give feedback
Which expression is equivalent to StartFraction 7 Superscript 5 Over 7 squared EndFraction?
(7 times 5) (7 times 2)
(7 times 7 times 7 times 7 times 7) (7 times 7)
StartFraction 7 times 5 Over 7 times 2 EndFraction
StartFraction 7 times 7 times 7 times 7 times 7 Over 7 times 7 EndFraction
The equivalent expression of [tex]\frac{7^5}{7^2}[/tex] is [tex]\frac{7*7*7*7*7}{7*7}[/tex]
How to determine the equivalent expression?The expression is given as:
[tex]\frac{7^5}{7^2}[/tex]
Expand the numerator and the denominator
[tex]\frac{7^5}{7^2} = \frac{7*7*7*7*7}{7*7}[/tex]
The above expression is represented by option (d)
Hence, the equivalent expression of [tex]\frac{7^5}{7^2}[/tex] is [tex]\frac{7*7*7*7*7}{7*7}[/tex]
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Answer:
StartFraction 7 times 7 times 7 times 7 times 7 Over 7 times 7 EndFraction
Step-by-step explanation:
Edge
Need help with this
Answer:
y = 130
Step-by-step explanation:
given that y varies directly with x and z then the equation relating them is
y = kxz ← k is the constant of variation
to find k use the condition y = 150 when x = 2.5 and z = 12 , then
150 = k × 2.5 × 12 = 30k ( divide both sides by 30 )
5 = k
y = 5xz ← equation of variation
when x = 4 and z = 6.5 , then
y = 5 × 4 × 6.5 = 20 × 6.5 = 130
what is the y-intercept of the graph of y = 4^x-2?
Answer: Hope this helps you.
-2
Step-by-step explanation:
y = mx+b (B is y-int)
y = 4^x-2
-2 is clearly replacing the b (y-int) meaning b, the y-int, is -2
[tex]y = {4}^{x} - 2 \\ for \: y \: intercept \: x \: s \\ is \: 0 \\ y = {4}^{0} - 2 \\ y = 1 - 2 \\ y = - 1 \\ [/tex]
Y intercept : (0,-1)
Hope it helps
please give brainliest
Freda waves a small flag pennant when her favorite player hits a grand slam. approximately how much fabric in square inches is used to make up the flag on her pennant
Answer: 15 inches
Step-by-step explanation:
Answer:
In a right triangle, the hypotenuse, 2x, is equal to twice the length of the shortest leg, x, and the longer leg is equal to the product of the length of the shortest leg, x, and the square root of 3.
Hypotenuse: 10 in.
Shortest Leg:2x=10 , so x=5 in,
Longer Leg: x sq rt 3 5 sq rt 3 in
area- 1/2 bh, 1/2 5*5 sq rt 3=
25t sq rt 3=21.65 sq inches
Find the geometric mean of 5 and 8. Write your answer in the simplest radical form.
Answer:
First, multiply 5 and 8. That equals 40. Then you take the square root of 40, which doesn't result in a whole number, so you factor 40 and removing perfect squares. In which case the answer would be 2√10
10 more than w is equal to 40 what is the expression
Answer:
w + 10 = 40
Step-by-step explanation:
10 more than w is w + 10 is equal to 40 is =40
w + 10 = 40
Please mark as brainliest.
Answer:
10 + w = 40Step-by-step explanation:
10 more than w is equal to 40 what is the expression
10 + w = 40 is the expression
w = 40 - 10
w = 30 is the solution
please give me the answer to this
i beleive the answer is 2610.4109589
What is the area of the triangle below?
O27 square units
O 45 square units
O 54 square units
20
A triangle is a 2-D shape that has 3 sides and angles. The area of the triangle below is 27 square units
Area of a triangleA triangle is a 2-D shape that has 3 sides and angles
In order to determine the area of the shape, we will determine the area of the square circumscribing it first;
Area of the square = 10 * 9 =90 square units
Find the area of the two right triangles
Area of the right triangles = 0.5(10 * 9) + 0.5(9 * 4)
Area of the right triangles = 45 + 18
Area of the right triangles = 63 square units
Take the difference
Area of the given triangle = 90 - 63 = 27 square units
Hence the area of the triangle below is 27 square units
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Which one of the following inequalities would require you to reverse the symbol?
a) 2x > -14
b) -14 < 2x
c) -14 ≤ 2x
d) -2x ≥ -14
Give your answer in terms of [tex]\pi \\[/tex]
The length of the band in terms of π is given by the expression:
L = 40mm + π*10mm
How to get the length of the band?
Remember that for a circle of diameter D, the circumference is:
C = π*D.
Now, if you look at the image, you can see that the length of the band will be equal to 4 times the diameter of the pencils (one time for each side). Plus 4 times one-fourth of the circumference of each pencil (for the four corners).
because the diameter is 10mm, the length of the band will be:
L = 4*10mm + 4*(π*10mm/4)
L = 40mm + π*10mm
This is the length of the band in terms of π.
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o. Find the domain and range of each of the three restricted functions.
Type your response here:
Domain
(restricted)
Function
Range
I
f(x)=sin(x)
f(x) = cos(x)
f(x) =tan(x)
The domain and range of the functions sin x, cos x, and tan x will be (-∞, ∞) and [-1, 1], (-∞, ∞) and [-1, 1], and R - (2n + 1)π/2 and (-∞, ∞) respectively.
What are domain and range?The domain means all the possible values of x and the range means all the possible values of y.
The three restricted functions are given below.
f(x) = sin (x)
f(x) = cos (x)
f(x) = tan (x)
Then the domain of the three restricted functions will be
The domain of sin x will be (-∞, ∞).
The domain of cos x will be (-∞, ∞).
The domain of tan x will be R - (2n + 1)π/2.
Then the range of the three restricted functions will be
The range of sin x will be [-1, 1].
The range of cos x will be [-1, 1].
The range of tan x will be (-∞, ∞).
The graph is given below.
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The graph shows the relationship between the number of months different students practiced boxing and the number of matches they won:
Part A: What is the approximate y-intercept of the line of best fit and what does it represent? (5 points)
Part B: Write the equation for the line of best fit in the slope-intercept form and use it to predict the number of matches that could be won after 13 months of practice. Show your work and include the points used to calculate the slope. (5 points)
The y-intercept is 3.75, and the equation of the line of best fit is
y = 1.5x + 3.75, and after 13 months, 23 matches could be won.
What is the line of best fit?A mathematical notion called the line of the best fit connects points spread throughout a graph. It's a type of linear regression that uses scatter data to figure out the best way to define the dots' relationship.
[tex]\rm m = \dfrac{n\sum xy-\sum x \sum y}{n\sum x^2 - (\sum x)^2} \\\\\rm c = \dfrac{\sum y -m \sum x}{n}[/tex]
Part A:
As we can see in the graph, the line crosses the y-axis at a certain point between 3 and 4.5.
So the y-intercept lies between 3 and 4.5
We can take the middle of these two values to get the approximate value of the y-intercept.
b = (3+4.5)/2 = 3.75
We know the line of the best fit is:
y = mx + b
y = mx + 3.75
b is the y-intercept and m is the slope of a line
Plug the point (9, 18) in the equation to get the value of m:
18 = 9m + 3.75
m = 1.5
y = 1.5x + 3.75
Plug x = 13 months in the above equation:
y = 1.5(13) + 3.75
y = 23.25 ≈ 23 number of matches that could be won
Thus, the y-intercept is 3.75, and the equation of the line of best fit is
y = 1.5x + 3.75, and after 13 months, 23 matches could be won.
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What is the value of 4x-7 when x = 4?
O 1
09
O 16
23
Answer:
9
Step-by-step explanation:
Given expression: 4x - 7
To determine a numerical value of the provided expression, when x = 4, simply substitute the value of x into the expression and simplify it using the order of operations (PEMDAS). Work has been shown below.
[tex]\implies 4x - 7[/tex][tex]\implies 4(4) - 7 \ \ \ \ \ \ [\text{Substituting the value of x}][/tex]Simplify the expression using PEMDAS:The PEMDAS stands for:
ParenthesesExponentsMultiplicationDivisionAdditionSubtractionFirst - LastAccording to the PEMDAS, it is required to simplify the expression using multiplication (M in PEMDAS) firsthand, as there are no parentheses (P in PEMDAS) and exponents (E in PEMDAS). Thus, we get the following:
Please refer to underlined text for simplification of that expression.
[tex]\implies 4 \times 4 - 7[/tex][tex]\implies \underline{4 \times 4} - 7}[/tex][tex]\implies {16 - 7}[/tex]Clearly, we can see that division (D in PEMDAS) and addition (A in PEMDAS) is not occurring in the expression. Therefore, we will need to subtract the two terms (16 and 7). Thus, we get the following simplified term:
[tex]\implies \underline{16 - 7}[/tex][tex]\implies \boxed{9}[/tex]Therefore, the value of 4x - 7, when x = 4, is 9.
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Jonathan’s temperature this morning was 38.2°C. After 2 hours, it was 39.5°C. All are true about Mark’s condition EXCEPT
*
1 point
a. His condition worsened.
b. His condition improved.
c. His temperature went up by 1.3 C°
d. He has high fever.
2. The temperature of freshly baked hot malungay pandesal is 68°C; while hot coffee is 85°C. What is the difference between the two temperatures?
*
1 point
a. 15°C
b. 17°C
c. 23°C
d. 2.3°C
3. At 8:00 AM, the temperature in the room was 25.6°C. By noon, it had gone up by 2.5 C°. But by 6:00 PM, it had gone down by 3.3 C°. What was the temperature in the room at 6:00 PM?
*
1 point
a. 28°C
b. 24.8°C
c. 28.4°C
d. 28.5°C
Answer:
a
b
b
:)
Step-by-step explanation:
hi brother i have got the answer hope its correct
PLEASE HELP 100 POINTS:
Cylinder A has a radius of 10 inches and a height of 5 inches. Cylinder B has a volume of 750m. What is the percentage change in volume from cylinde
A to cylinder B?
50% decrease
75% decrease
50% increase
200% increase
Answer:
The percentage change in volume from cylinder A to cylinder B is 50% volume increased by 50% option (C) is correct.
What is a cylinder?
In geometry, it is defined as the three-dimensional shape having two circular shapes at a distance called the height of the cylinder.
We know the formula for the volume of the cylinder is given by:
We have r = 10 inches and h = 5 inches
V = 500π cubic inches
Percent change in volume from cylinder A to cylinder B:
= 50%
Thus, the percentage change in volume from cylinder A to cylinder B is 50% volume increased by 50% option (C) is correct.
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Step-by-step explanation:
What is the equivalent to 8 ounces?
Answer:
16 Tablespoons
Step-by-step explanation:
x divided by the sum of x and 5
Answer:
1 + 1/5xStep-by-step explanation:
x divided by the sum of x and 5
x : (x + 5) =
x × (1/1x^-1 + 1/5) =
1 + 1/5x
What is the equation of a line with a slope of -1 and a y-intercept of -5?
Answer:
y = -x - 5
Step-by-step explanation:
The general structure of a line in slope-intercept form is:
y = mx + b
In this form, "m" represents the slope and "b" represents the y-intercept.
Since you have been given the slope and y-intercept, you can substitute these values into the equation to find the answer.
m = -1
b = -5
y = mx + b
y = (-1)x + (-5)
y = -x - 5
Answer:
y = -x -5
Step-by-step explanation:
We can use y = mx + c to find the equation of the line.
Here,
m ⇒ slope of the line
c ⇒ y - intercept
They have already given that,
m ⇒ -1
c ⇒ -5
So, now we can write the equation of the line like this.
To write the equation of the line you can replace m and c with -1 & -5 respectively.
Let us write now.
y = m x + c
y = -1x - 5
A right circular cone is intersected by a plane that passes through the cone's
vertex and is perpendicular to its base, as in the picture below. What is
produced from this intersection?
A. A single line
B. A pair of intersecting lines
C. A point
D. A pair of parallel lines
Answer:
B. A pair of intersecting lines
Step-by-step explanation:
The attached image can give you an idea of what you get when a plane perpendicular to the base of a cone intersects the vertex of the cone.
__
In the problem statement here, we assume a double-napped cone with no defined base. That means the lines of intersection with the sides of the cone will meet at the vertex point and extend indefinitely in either direction.
The intersection is a pair of intersecting lines.
Combine like terms 2x - 5x
Answer:
-3x
Step-by-step explanation:
its just like regular subtraction, 2-5= -3, and just add an X at the end and you get -3x.
Naomi's car exponentially depreciates at a rate of 8% per
year. If Nina bought the car when it was 4-years old for $16,500, what was
the approximate original price of the car?
The approximate original price of the car is $23032
How to determine the original price?The given parameters are:
Rate, r = 8%
Price at 4 years old = 16,500
An exponential function is represented as:
y = a(1 - r)^x
Where a represents the initial value
This gives
y = a(1 - 8%)^x
Evaluate
y = a(0.92)^x
At 4 years old, we have:
16500 = a(0.92)^4
Divide both sides by (0.92)^4
a = 23032
Hence, the approximate original price of the car is $23032
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Find the LCM of 16x² and 40x5
Answer:
The LCM of 16x^2 and 40x^2 is 80x^5
:) Good Luck
Step-by-step explanation: