Answers
formula:
l(length) x w(width)
Related Questions
Please help!
Part A and part B please
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Answer:
39
Step-by-step explanation:
Given:1st grade:
19%2nd grade:
14%3rd grade:
22%4th grade:
26%5th grade:
19%TOTAL : 205 students.To find -Since the total students have been given, we just have to find the percentage of the 205 students that are 5th graders (19%).
So this can be found out:
19% of 205
Solution:
Always use this formula to find a percentage:
% / 100 = Part / Whole replace the given values:
19 / 100 = Part / 205
Cross multiply:
19 x 205 = 100 x Part, or
3895 = 100 x Part
Now, divide by 100 and get the answer:
Part = 3895 / 100 = 38.95
Since decimal cant be a whole number round to nearest tenth:
First note that 38.95 has two parts. The integer part to the left of the decimal point and the fractional part to the right of the decimal point:
Integer Part: 38Fractional Part: 95To round 38.95 to nearest tenth means to round the numbers so you only have one digit in the fractional part.
We use the following rules to round 38.95 to the nearest tenth:
A) If the last digit in the fractional part of 38.95 is less than 5, then simply remove the last the digit of fractional part.B) If the last digit in the fractional part of 38.95 is 5 or more and the first digit in the fractional part is less than 9, then add 1 to the first digit of the fractional part and remove the second digit.C) If the last digit in the fractional part of 38.95 is 5 or more and the first digit in the fractional part is 9 then add 1 to the Integer part and make the fractional part 0.With 38.95, rule C applies and the answer is:
39.0
solve by completing the square:
x^2+3x-70=0 (Answer: -10, 7)
x^2=-10x-30 (Answer: { })
help and with explanation; will give brainliest
Answers
Answer:
Step-by-step explanation:
x² + 3x - 70 = 0
x² + 3x = 70
x² + 3x + (3/2)² = 70 + (3/2)²
(x + 3/2)² = 70 + 9/4 = 289/4 = (17/2)²
so
x + 3/2 = ±17/2
x = ±17/2 - 3/2
x₁ = 17/2 - 3/2 = 14/2 = 7
x₂ = -17/2 - 3/2 = -20/2 = -10
x² = -10x - 30
x² + 10x = -30
x² + 10x + (10/2)² = -30 + (10/2)²
x² + 10x + 25 = -30 + 25 = -5
(x + 5)² = -5
[tex]x+5 = \pm\sqrt{-5}\\x + 5 = \pm i \sqrt{5}\\x = -5\pm i \sqrt{5}\\\\x_1 = -5+ i \sqrt{5}\\\\x _2= -5- i \sqrt{5}\\[/tex]
Plot the following points to create
a rectangle. Find the missing
vertex.
(1,5); (-1,5); (-1,-5); ?
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Answer:
(1, -5)
Step-by-step explanation:
From the information that is given (1, -5) seems to be the logical answer since we have (1, 5), (-1, 5), and (-1, -5). 1 has been negative twice, 5 has been positive twice so to make things right add a positive +1 and a negative -5
I hope this helps!
Matt is carpeting his bedroom. The room measures 12 feet by 14 feet. If carpet costs $2.29 per square foot, then how much will Matt spend to carpet his bedroom?
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12x14=168
168x2.29=384.72
Find the slope of the line through the pair of points: ( − 3 , 4 ) and ( 0 , 2 ) .
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Answer:
[tex]-\frac{2}{3}.[/tex]
Step-by-step explanation:
1) the required slope can be calculated if to use the ratio:
slope=(y(B)-y(A))/(x(B)-x(A)), where x(A)=-3; y(A)=4; x(B)=0 and y(B)=2;
2) according to the formula above:
s=(2-4)/(0+3)=-2/3.
The slope of the line through the given points is: -2/3.
What is the Slope of a Line?Slope of a line= change in y / change in x = rise/run.
Given the points:
(-3, 4) = (x1, y1)
(0, 2) = (x2, y2)
Slope = (4 - 2)/(-3 - 0)
Slope = 2/-3
Slope of the line = -2/3
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lionfish are considered an invasive species, with an annual growth rate of 67%. A scientist estimates there are 8,000 lionfish in a certain bay after the first year.
Part A: Write the explicit equation for f (n) that represents the number of lionfish in the bay after n years. Show all necessary math work.
Part B: How many lionfish will be in the bay after 6 years? Round to the nearest whole number and show all necessary math work.
Part C: If scientists remove 1,200 fish per year from the bay after the first year, what is the recursive equation for f (n)? Show all necessary math work.
Answers
Answer:
There would be 173,535 lionfish after 6 years.
Step-by-step explanation:
Since lionfish are considered an invasive species, with an annual growth rate of 67%, ya scientist estimates there are 8,000 lionfish in a certain bay after the first year, A) to write the explicit equation for f (n) that represents the number of lionfish in the bay after n years; B) determine how many lionfish will be in the bay after 6 years; and C) if scientists remove 1,200 fish per year from the bay after the first year, determine what is the recursive equation for f (n); the following calculations must be performed:
A)
8000 x 1.67 ^ n = f
B)
8000 x 1.67 ^ 6 = X
8000 x 21.691961596369 = X
173,535.692770952 = X
C)
(8000 - 1200 x 1 ^ n) x 1.67 ^ n = f
Therefore, there would be 173,535 lionfish after 6 years.
if f(5x)=f(5)+f(x) then prove f(1)=0
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Answer:
2&4+44-24÷333×6385
Step-by-step explanation:
so it can be a cardinal product
If functions f(5x)=f(5)+f(x) then f(1)=0.
What is a function?A relation is a function if it has only One y-value for each x-value.
Given that f(5x)=f(5)+f(x)
f of five times of x equal to f of five plus f of x.
We need to prove f(1) is equal to zero.
f(5x)=f(5)+f(x)
Let plug in x value as one
f(5×1)=f(5)+f(1)
f(5)=f(5)+f(1)
Subtract f(5) from both sides
f(1)=0
Hence, if functions f(5x)=f(5)+f(x) then f(1)=0.
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A shop in the mall is 8 yards by 12 yards. How much would it cost to recarpet the shop with carpet that costs $2.69 per square yard?
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Answer:
Step-by-step explanation:
You will first have to find the area to find the price of each square yard.
Area is 8*12 = 96. Multiply this by 2.69.
It will cost 258.24 dollars to recarpet the shop.
Let me know if this helped
Answer:
A shop in the mall is 8 yards by 12 yards. How much would it cost to recarpet the shop with carpet that costs $5.00 per square yard?
Step-by-step explanation:
Utilize graphing to find the solution to
the following system of equations.
y = 2x + 1 AND y = x - 3
(-4, [?])
What’s the answer that goes in the green box picture below:
Answers
(-4,-7)
Explanation:
Put (-4) in one of shown equations
y = -4-3 = -7
y = 2(-4)+1 = -7
Good Luck.
five more than thrice a certain number x
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Hope this helped!
please help fast!!!!!!!!!!!!!
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Answer:
a. 6+y b. 5- (10x c)
C. 14 +(6 x c) d. x +y=18 f. x - 12 = 7
Step-by-step explanation:
Using PEMDAS
1.) 10 - 8 ÷ 4 + (7 - 2)
2.) 3² + 2 (6) - 3
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2.) 3^2 + 2 (6) - 3 = 18 hope it helps!
2.) 18
P - arenthesisE - xponents M - ultiplication D - ivisionA - ddition S - ubtractionSOLUTION1:10 - 8 ÷ 4 + (7 - 2)10 - 8 ÷ 4 + 510 - 2 + 58 + 513SOLUTION2:3² + 2 (6) - 39 + 2 (6) - 39 + 12 - 321 - 318#LearningWithMath
student stands at the edge of a diving board that is 3m high. The student's weight is 350N. What is the student's gravitational potential energy?
Answers
Answer:
1050 J
Step-by-step explanation:
GPE = Weight x height
= 350 x 3
= 1050 J
A one-celled, aquatic organism called a dinoflagellate is 1000 micrometers long. A microscope magnifies the dinoflagellate 100 times. What is the magnified length of the dinoflagellate in meters? (1 micrometer is 10^-6 meter) Write your answer as a power
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At a certain college, there were 700 science majors, 300 engineering majors, and 500 business majors. If one student was selected at random, the probability that the student is an engineering major is
Answers
Answer:
300/1500, 1/5, or 20%
Step-by-step explanation:
There are 1500 students total, but only 300 engineering students. We can represent this as a fraction: 300/1500. When reduced it comes out to 20%.
Karl is putting a frame around a rectangular photograph. The photograph is 12 inches long and 10 inches wide, and the frame is the same width all the way around. What will be the area of the framed photograph?
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Area=12 x10 = 120in^2
Step-by-step explanation:
If I have a 97% in one of my classes what do I have to get on my final project, which is 30% of my grade, to pass with at least a C or 70%.
Answers
Answer:
you will need at least a 94 on your final project
Step-by-step explanation:
hope it helps!
The function G(x) = sin(x) is the result of the application of transformations
on the original function F(x) = cos(x). Which of the following options
correctly describes the transformations applied to F(x)?
A. A phase shift of n radians
B. A vertical shift of -1 unit
T
C. A phase shift of radians
2
a
D. A vertical shift of 1 unit
Sell
Answers
Answer: shifted by π/2 radians
Step-by-step explanation:
The function sine of 'x' can be equated to the function cosine of 'x' by shifting cosine by 180 degrees. In math words:
[tex]sin(x)=cos(x-180)[/tex]
The value 180 degrees in radians would be π/2. Therefore, in radians:
[tex]sin(x)=cos(x-\pi /2)[/tex]
The 'x' inside of the functions is called the argument, and the value added or subtracted to the argument is the phase. The correct answer would be that sine is equal to cosine shifted by a phase of π/2 radians
write a pair of equivalent fractions for 2/5?.
Answers
Step-by-step explanation:
4/10
6/15
8/20
10/25
these were some
8-109. Solve each equation.
.
a. 6x+12=-x-2
Answers
Answer:
x = -2
Step-by-step explanation:
6x+12 = -x-2
7x+12 = -2(bring x to the left)
7x = -14(bring constants to the right)
x = -2
6. From a 5-pound bag of flour, Maura used 2 3/16 pounds to bake
cakes. Find the weight of the flour left in the bag.
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a Japanese giant salamander can weigh 140 lb what is the weight in ounces
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This is because if you convert 140 lb (pounds) to ounces you get 2240 ounces.
How do I find the ordered pair with an x-value of 2, for the equation f(x)=4x-1? What is the ordered pair? urgent please
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Step-by-step explanation:
f(2)=4(2)-1 = 7
the ordered pair is (4,7)
50 PTS. Solve the given equation by completing the square.
r2 + 8 = 38
Fill in the values of a, b, and c to complete the solutions.
Answers
Answer:
r = 15
Step-by-step explanation:
That's my answer hope it helps brainliest my answer please that's correct
Answer:
r=15
Step-by-step explanation:
hope it helps you bro
Which of the following is the correct way to write the amount $73.78 on a check?
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Answer:seventy-three and 78/100 dollars
Step-by-step explanation:hope that helps
Help me and show work because I don't understand this one
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Step-by-step explanation:
[tex]4 {}^{2x + 3} = 1[/tex]
In order for exponents to be equal, they must have the same base and same power.
So what exponet can we raise 4 to in order to get 1.
Remeber that
[tex]a {}^{0} = 1[/tex]
so
[tex]4 {}^{0} = 1[/tex]
,So we finally have
[tex]4 {}^{2x + 3} = 4^{0} [/tex]
Set the exponents equal to each other
[tex]2x + 3 = 0[/tex]
[tex]2x = - 3[/tex]
[tex]x = - \frac{3}{2} [/tex]
What is the scale factor the smaller rectangle to the larger rectangle?
A
6
B
2
C
48
D
1/2
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Answer:
scale factor is larger larger length over the smaller length.
One angle in a right triangle measures 57°. What is the measure of the other acute angle?
43°
123°
90°
33°
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What is the equation of the line in slope-intercept form?
Answers
Answer:
y=4/3x+4
Step-by-step explanation:
a car travels at a speed of 300km per hour in 3 hours,what is the distance covered
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Explanation:
The standard formula is Speed= Distance/Time
To find Distance, rearrange the formula in terms of distance
Distance= Speed*Time (* means multiplication)
Distance= 300km/h*3h
Distance= 900km