Step-by-step explanation:
Length = L
Width = W
L=8 more than 2W
L = 8 * 2W
L = 16W
Perimeter = 96
perimeter is the lengths of all sides added together
so
2L + 2W = 96
we have
L = 16W
2L + 2W = 96
let's do substitution
put what L = into 2L + 2W = 96
so
2(16W) + 2W = 96
can you rearrange that to get w
put answer in comment
If you start with $160 and save $125 per month, how many months will it take for you to save a total of
$660?
This is a solving equation word problem
Answer:
4 weeks
Step-by-step explanation:
660-160=500
500/125= 4 weeks
An angle measures 66.4º more than the measure of its complementary angle. What is the
measure of each angle?
o and
o
Answer: 11.8 degrees and 78.2 degrees
Step-by-step explanation:
the average boa constrictor is about 7 1/2 feet long. How many inches is that?
What is the geometric mean of 7 and 11?
Def. of Geometric Mean: the nth root of the product of n numbers
The geometric mean of 7 and 11 = [tex]\sqrt{7*11} =8.775\\[/tex] (approximated)
Hope that helped!
Answer: it is the square root of 77 or D in the case of this quiz
Step-by-step explanation: got 100% on the test
The melting point of gallium is 29.76°C. The freezing point of alcohol is –114°C. How much warmer is the melting point of gallium than the freezing point of alcohol?
Answer:
143.76C
x-114=29.76
The perimeter of a reclangle is 44 meters. Its width is 10 meters. What is the length of the rectangle
A.10 meters
B.12 meters
C.14 meters
D.34 meters
Answer: B
The answer would have to be B because when finding the perimeter, you add all the sides up together. If one of the width of the rectangle is 10, then the other would also be 10, which already makes 20. If both lengths are 12, they would add up to be 24. And finally, 20+24=44!
Find all numbers whose absolute value is 4.
If there is more than one, separate them with commas.
If there are no such numbers, click on "None".
Step-by-step explanation:
-4
4
and those are the only ones i know
5 Gavin also bought a dozen flowers for his mother, but her favorite flowers cost $0.35
each. How much did Gavin spend? Show your thinking.
Answer:
$34.29, Gavin spent $34.29.
Step-by-step explanation:
12 ÷ 0.35 = 34.2857142857
Round to nearest hundreth: 34.29
Answer:
$4.20
Step-by-step explanation:
dozen = 12 flowers
0.35x12=4.20
If the length of a rectangle doubles its width. Find the length of the rectangle if the perimeter is 21cm
Answer:
7cm, assuming the question is phrased as noted below.
Step-by-step explanation:
I'll interpret "If the length of a rectangle doubles its width." as "If the length of a rectangle is double its width.
Let L be the width, and L the length
L = 2W
The perimeter of a rectangle is 2L + 2W
We can use L instead of 2W, and that gives us:
21 cm = 2L + L
21 cm = 3L
L = 7 cm
will give brainliest to right answer
Step-by-step explanation:
again, in a geometric sequence all terms are created by multiplying the previous term by a constant factor.
7640 × f = 764
f = 764/7640 = 1/10
a1 = 7640
a2 = a1 × 1/10 = 7640 × 1/10 = 764
a3 = a2 × 1/10 = a1 × 1/10 × 1/10 = 7640 × 1/100 = 76.4
an = 7640 × (1/10)^(n-1)
a6 = 7640 × (1/10)⁵ = 7640 × 1/100000 = 0.0764
PLEASE HELP!!! Everything's in the picture below, and it's 30 points!!!
Answer:
5
Step-by-step explanation:
Everytime I try to do the explanation picture because I wrote it down it won't work. Brainly bots do not take this answer down!
Rafael has two coupons for shoes. Coupon A: $14 rebate on 47 shoes Coupon B: 35% off of 47 shoes
Answer:
35% gives more off
Step-by-step explanation:
GIVING POINTS!! will give brainliest
Answer:
-7 and -5
AND
-3 and -1
Step-by-step explanation:
Evaluate \sqrt{-72k} −72k square root of, minus, 72, k, end square root where k = -2k=−2k, equals, minus, 2
Answer:
12
Step-by-step explanation:
To evaluate the given expression for the given value of k, put that value into the expression in place of k, then do the arithmetic.
[tex]\sqrt{-72k}\qquad\text{for $k=-2$}\\\\\sqrt{(-72)(-2)}=\sqrt{144}=12\qquad\text{positive square root}[/tex]
The value is 12.
Answer:
12
Step-by-step explanation:
trust me
HELP FOR BRAINLEST!!! PLEASE
Answer:
3/14
Step-by-step explanation:
Put the number of students that want to be a therapist AND have a fear of height (this would be 3) over the TOTAL amount of students in the sample, in this case it's 14.
so it's 3/14 and it doesn't simplify
you're welcome
Answer:
21%
Step-by-step explanation:
First we need to find the total amount of people that did the personality test. We can do that by adding all the numbers in the table
[tex]4+5+2+3=14\\[/tex]
now, to find the percentage of students that want to be a therapist and a fear of heights, we simply divide the number of students who fit that demographic by the total number of students
[tex]3/14= 0.214[/tex]
therefore, there is a 21% chance of picking a student in that demographic at random
find the circumference of the circle 56.52 inches, 64.59 inches, 254.34 inches, 28.26 inches, 14.13
Answer:56.57in
Step-by-step explanation:
Which shows the pre-image of quadrilateral W'X'YZ' before the figure was rotated according to the rule (x,y)
- (X,Y)?
!!!answer is C!!!
The graphs of functions f(x) and g(x) = f(x) + k are shown:
7
6
5
g(x)
4
3
f(x)
2
2
-2
-34
What is the value of k?
+
Answer:
9514 1404 393
Step-by-step explanation:
k = 2
The point (0, 0) on the graph of f(x) tells you f (0) = 0.
The point (-4, 0) on the graph of g(x) tells you g (-2) = 0.
Now we know that
g(-2) = 0 = f(0) = f(-2+k)
or ...
0 = -2+k
2 = k
The value of k is 2
so the answer to you problem is k=2
Dr. Matthews is a professor of physics at the local university. He keeps a record of the number of students attending his class every day. Which of the following is a statistical question that Dr. Matthews can be asked? A.
How many male students attended your class today?
B.
How many students attended your class today?
C.
How many students have enrolled for your class this semester?
D.
How many students attend your class each day?
Answer:
d.How many students attend your class each day?
Dr Matthews can be asked How many students attend your class each day?
What are statistics?The practise or science of organising and interpreting numerical data in big quantities, particularly for the objective of concluding proportions in a whole from those in an expected sample.
Dr Matthews can be asked How many students attend your class each day?
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Judy bought 20 apples at the store, and the total weight was 2 kilograms. If the apples all had about the same weight, how much did each apple weigh?
it would be 0.1 kilograms per apple
A researcher plans to use a random sample of houses to estimate the mean size (in square feet) of the houses in a large population. The researcher is deciding between a 95% confidence level and a 99% confidence level. Compared with a 95% confidence interval, a 99% confidence interval will be
Considering the margin of error, it is found that the 99% confidence interval will be wider than the 95% confidence interval.
What is the margin of error of a confidence interval?It is given by:
[tex]M = z\frac{s}{\sqrt{n}}[/tex]
In which:
z is the critical value, which increases with a higher confidence level.s is the standard deviation.n is the sample size.From this, we get that the margin of error is direct proportional to the critical value, hence [tex]z_{99}>z_{95}[/tex], which means that the 99% confidence interval will be wider, that is, it will have a larger margin of error, than the 95% confidence interval.
More can be learned about confidence intervals at https://brainly.com/question/25890103
Henry took 24.7 minutes to complete an exam. Laticia took 16.7 minutes to
complete the same exam. Who completed the exam first, Henry or Laticia?
A. Henry
B. Laticia
HELP PLS!!!
Laticia completed the exam first
Henry took=24.7mimLaticia took=16.7minAs
24.7>16.7Laticia completed first
lines a and b are parallel
what is the measure angle of b?
Answer:
Step-by-step explanation:
a is 79
b is 79
d is 79
180 - 79 is 101
x is 101
c is 101
z is 101
y is 101
Find the value of f (x)
F(x) = 2 x f(4) = .........
A. 8
B. -6
C. 10
Answer:
F(4)=8
Step-by-step explanation:
F(x)=2(x)
F(4)
Replace x with 4
F(4)=2(4)
Multiply
F(4)=8
Enter the equations of the asymptotes for the function f(x).
f(x)=4x−8−2
Vertical asymptote:
Horizontal asymptote:
The vertical asymptote is 8 and the horizontal asymptotes is zero
How to find the vertical asymptote and horizontal asymptote of a functionGiven the function expressed as:
[tex]f(x)=\frac{4}{x-8} - 2[/tex]
The vertical asymptote is the point where the denominator is zero.
x - 8 = 0
x = 8
Hence the vertical asymptote is 8
There is no horizontal asymptote since the numerator is a constant. Hence the horizontal asymptote of the function is zro
Learn more on asymptotes here: https://brainly.com/question/4138300
Answer:
Vertical is x=8
Horizontal is y= -2
Step-by-step explanation: took the test and missed it because 0 is wrong for horizontal
The equation −16x2 + 10x + 15 = 0 represents the height, in feet, of a flotation device above the water after x seconds. The linear term represents the initial velocity. The constant term represents the initial height.
a. If the initial velocity is 0, when should the flotation device land in the water?
b. If the initial height is 0, when does the flotation device land in the wate
Answer:
a) 0.968 s (nearest thousandth)
b) 0.625 s
Step-by-step explanation:
Give equation: [tex]-16x^2 + 10x + 15 = 0[/tex]
If the linear term represents the initial velocity,
then the initial velocity in the original equation = 10 ft/s
If the constant term represents the initial height,
then the initial height in the original equation = 15 ft
a) If the initial velocity is 0
[tex]\implies -16x^2 + 15 = 0[/tex]
[tex]\implies x^2 = \dfrac{15}{16}[/tex]
[tex]\implies x = \pm\dfrac{\sqrt{15}}{4}[/tex]
As time is positive,
[tex]\implies x =\dfrac{\sqrt{15}}{4}=0.9682458366...[/tex]
The flotation device will hit the water after 0.968 s (nearest thousandth)
b) If the initial height is 0:
[tex]\implies -16x^2 + 10x = 0[/tex]
[tex]\implies -2x(8x-5) = 0[/tex]
[tex]\implies -2x=0\implies x=0[/tex]
[tex]\implies 8x-5=0 \implies x=\dfrac58[/tex]
Therefore, the flotation device lands in the water after 5/8 seconds = 0.625 s
Pls help. Look at the pic and choose the correct statement.
Answer:
(b) The result of adding two polynomials is always a polynomial.
Step-by-step explanation:
A set is "closed" under a particular operation if performing that operation on members of the set always results in a member of the set.
Adding two polynomials always results in a polynomial, so we can say "polynomials are closed under addition."
1 8. DIG DEEPER! You have 1/8 gallon of melted crayon wax. You pour the wax equally into 8 different molds to make new crayons. What fraction of a cup of melted wax is in each mold? Think: 1 gallon is 16 cups.
Each mold will have 1/32 cup of melted wax.
What is Fraction?A fraction represents a part of a whole.
We know that 1 gallon is equal to 16 cups.
Therefore, 1/8 gallon is equal to:
(1/8) x 16 cups/gallon = 2 cups/8 = 1/4 cup
So we have 1/4 cup of melted crayon wax in total.
If we pour this equally into 8 different molds to make new crayons, each mold will have:
(1/4) / 8 = 1/4 x 1/8 = 1/32 cup
Therefore, each mold will have 1/32 cup of melted wax.
To learn more on Fractions click:
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help asap
The graph is
A. neither even nor odd
B. symmetric about the y-axis
C. even
D. odd
Answer:
even
Step-by-step explanation:
bc it is the same on both sides
how do I evaluate this?
log of 0.001, base 10 equals x
Answer:
-3
Step-by-step explanation:
[tex]log_{n} n^{a} =a\\[/tex]
[tex]0.001 = 10^{-3}[/tex]
[tex]log_{10} 0.001=log_{10} 10^{-3} =-3[/tex]