Answer:
31742
Step-by-step explanation:
[tex]26900 \times \frac{100 + 18}{100 } = 31742 [/tex]
The scale on a map says 1 inch = 25 miles. If two towns are 3 1/2
apart on the map, what actual distance separates them?
Answer:
87.5 miles
Step-by-step explanation:
Distance between points = 3 1/2 × 25 = 87.5 miles
Bob has saved $535 each month for the last 3 years to make a down payment on a house. The account earned an interest rate of .34 percent per month. How much money is in Bob's account?
Answer:
The account has $18,795.02.
Step-by-step explanation:
The account has $18,795.02.
3 years * $535 = $1,605
$1,605 * .0034 = $5.481
$5.481 * 36 (months) = $197.146
$18,795.02 = $1,605 + $197.146
A rectangular aquarium is 1m 20cm long, 90cm wide and 50cm deep. How many cubic centimeters of water can it hold
Answer:
540,000 cubic centimeters
Step-by-step explanation:
1 meter and 20 centimeters is equal to 120 centimeters.
[tex]120 \times 90 \times 50 = 540000[/tex]
Trevor uses 2 ounces of almonds in each bag of trail mix he makes
The line on the graph which represents the same relationship between quantities. is line B; y = 2x
Line graphNumber of almonds = 2 ounces
Bags of trail mix = x
Total mix = y
The equation:
y = 2 × x
y = 2x
Complete question:
Trevor uses 2 ounces of almonds in each bag of trail mix he makes.
Bags of Trail Mix Almonds (oz.)
6 Line on the graph represents the same relationship between quantities.
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Graph A: A horizontal line goes from (1, 0.5) to (2, 0.5). Another horizontal line goes form (2, 0.2) to (7, (0, 2). Graph B: A curve starts at (0, 0), curves up to (1, 1), and then curves down to (2, 0).
Which graph represents a density curve, and why?
graph A only, because the curve is above the horizontal axis, and the area under the curve from 2 to 7 is 1
graph B only, because the curve is above the horizontal axis, and the area under the curve is equal to 1.57
both graph A and graph B, because both curves are above the horizontal axis, and both areas are positive
neither graph A nor graph B, because, even though both curves are above the horizontal axis, neither graph has an area of 1
Pictures posted below
Answer: neither graph A nor graph B, because, even though both curves are above the horizontal axis, neither graph has an area of 1
Step-by-step explanation:
Areas under the graphs:
Graph A
[tex](1)(0.5)+(7-2)(0.2)=1.5\\\\[/tex]
Graph B
[tex]\frac{\pi}{2}(1^{2})=\frac{\pi}{2}[/tex]
As neither of these graphs have an area of 1, neither of them are density curves.
The statement - "neither graph A nor graph B, because, even though both curves are above the horizontal axis, neither graph has an area of 1" is true.
A few fundamental principles apply to density curves:
A density curve's area beneath it represents probability.A density curve's area under it equals one.Base x height in a uniform density curve equals one.The likelihood that x = a will never occur.The likelihood that x < a is the same as that of x ≤ a.Neither curve of Graph A nor of Graph B has the area under the curve summed up as 1, though the curve is above the horizontal axis.
Hence, because neither graph has an area of 1, even if both curves are above the horizontal axis, the statement "neither graph A nor graph B, because, even though both curves are above the horizontal axis, neither graph has an area of 1" is true.
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Mark divided a basket of apples evenly into small bags. The number of bags was equal to the number of apples in each bag. Which could be the total number of apples?
A. 25 B. 27 C. 20 D. 18
There are 5 bags and each bag has 5 apples and total there are 25 apples , Option A is the correct answer.
What is a Perfect Square ?A perfect square is a number which can be written as the product of an integer with itself.
It is given that Mark divided a basket of apples evenly into small bags.
Let there be n no. of bags and therefore n number of apples in each bag
Then the total number of apples will be
n * n
n²
The value of total number of apples should be a perfect square,
In the option given only 25 is the perfect square
Therefore the equation can be made as
n² = 25
n = 5
There are 5 bags and each bag has 5 apples and total there are 25 apples.
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Gavin likes biking. He never misses a chance to go for a ride when the weather is nice. This week his goal is to bike about 65 total miles over four days. Each day, he wants to ride 1.5 times as far as he rode the day before. What does the result in part d mean?
Answer:
Total Miles he drives first day = 8 miles
Total Miles he drive second day = 12miles
Total Miles he drives third day = 18miles
Total Miles he drives fourth day = 27 miles
Step-by-step explanation:
This is a problem of linear equations in 1 variable:
The linear equations in one variable is an equation which is expressed in the form of ax + b = 0, where a and b are two integers, and x is a variable and has only one solution.
It is given in the question that ,
This week his goal is to drive bike about 65 total miles over four days. Each day, he wants to ride 1.5 times as far as he rode the day before.
Let, on the first day, he drives x miles. On second day, he drives 1.5x. On the third day, he drives 1.5(1.5x) and on the fourth day, he drives 1.5(1.5(1.5x)).
So the equation is :
x +1.5x + 1.5(1.5x) + 1.5(1.5(1.5x)) = 65miles
x + 1.5x + 2.25x + 3.375x = 65miles
8.125x = 65 miles
x = 65/8.125 miles
x = 8 miles
so after solving the equation we get, on the first day Gavin drives 8 miles
similarly, on the second day he drives 12miles
on third day 18 miles
and on the fourth day 27miles
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The table has data reflecting the measured population of Complete the descriptors of the regression equation for
North Carolina in terms of years since 1920
this data
The data is best modeled by
function
The value of a is
and the value of c is
the value of b is
The function can be best modeled by a linear regression and the values of a, b and c are -6, 100 and 240, respectively
The function typeFrom the table, we can see that as the number of years increases, the population increases.
This implies that the function can be best modeled by a linear regression.
The values of a, b and cA linear regression equation is represented by
ax + by = c
Next, we enter the data in a statistical calculator.
From the statistical calculator, we have the following summary:
Sum of X = 225Sum of Y = 27.505Mean X = 37.5Mean Y = 4.5842Sum of squares (SSX) = 3937.5Sum of products (SP) = 231.4875The regression equation is then represented as:
y = bx + a
Where:
b = SP/SSX = 231.49/3937.5 = 0.05879
a = MY - bMX = 4.58 - (0.06*37.5) = 2.37952
So, we have:
y = 0.05879x + 2.37952
Approximate
y = 0.06x + 2.4
Multiply through by 100
100y = 6x + 240
Rewrite as:
-6x + 100y = 240
Hence, the values of a, b and c are -6, 100 and 240, respectively
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Answer:
The data is best modeled by an exponential function.
The value of a is 2.653, the value of b is 1.01, and the value of c is not used
Step-by-step explanation:
EDGE answers
Find how many quarts of 6% butterfat milk and 3% butterfat milk should be mixed to yield 45 quarts of 4% butterfat milk. Find how many quarts of 6 % butterfat milk and 3 % butterfat milk should be mixed to yield 45 quarts of 4 % butterfat milk .
Answer:
See below
Step-by-step explanation:
x = amount of 6% milk.... amount of fat = .06x
45-x = amount of 3% milk ...amount of fat = .03 (45-x)
Amount of fat in final mix of 45 quarts = .04 (45)
Inputs = output
.06x + .03(45-x) = .04(45)
.06x + 1.35 - .03x = 1.8
.03x = .45
x = 15 quarts of 6% then 30 quarts of 3%
From this diagram, select the
pair of lines that must be
parallel if angle 1 is congruent to angle 8. If there is no pair of lines, select "none".
Answer:
Line L is parallel to Nangle 1 is equal to angle 4 ( vertically opposite angles)
if angle 1 is congruent to angle 8
then angle 4 is also congruent to angle 8
then slope of line L and n is equal
that is L is parallel to n
P(-4, 6), Q(2, 5), R(3, -1), S(-3, 0)
Use slope to determine whether the following is a parallelogram. Explain why or why not.
Find the slope of PQ
Find the slope of QR
Find the slope of RS
Find the slope of SP
Use this information to determine if the quadrilateral a parallelogram.
From the slopes it is confirmed that PQ || RS OR|| SP and therefore it is a parallelogram .
What is a Parallelogram ?A parallelogram is a quadrilateral in which the opposite sides are parallel.
The coordinates of a quadrilateral is given
To prove that it is a parallelogram
PQ || RS
OR|| SP
The slope of a straight line is given by
[tex]\rm m = \dfrac{y_2 -y_1}{x_2- x_1}[/tex]
For PQ
m = (-1/6) = -1/6
For QR
m = -6/1 = -6
For RS
m = 1/(-6) = -1/6
For SP
m = -6
From the slopes it is confirmed that
PQ || RS
OR|| SP
and therefore it is a parallelogram
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Part A
Which shapes can you use to model the log and the board?
Answer:
A cylinder
Step-by-step explanation:
Hope this helps :)
Make sure you click the image for full picture
Answer:
See below.
Step-by-step explanation:
19.
The spinner has 12 equal-sized sections.
1/3 of 12 = 4
A number that appears in exactly 4 sections has a probability of 1/3. The number 3 appears exactly 3 times.
A number that appears more than 4 times has a probability greater than 1/3. The number 0 appears exactly 5 times.
A number that appears fewer that 4 times has a probability of less than 1/3.
Both 1 and 2 appear fewer than 4 times.
Answer:
Probability greater than 1/3: 0
Probability equal to 1/3: 3
Probability less that 1/3: 1, 2
20.
The amount of concentrate is 12 gallons.
The total amount of drink is 40 gallons.
The fraction of the concentrate out of the total is 12/40.
12/40 = 0.3
0.3 of each gallon is concentrate.
Color the bottom up to 0.30
Which of the following points would fall on the line produced by the point-slope form equation y - 2 = 3(x - 5) when graphed?
(4, 5)
(6, 5)
(5, 5)
(1, 4)
The point is (6, 5).
What is graph?Graph is a mathematical representation of a network and it describes the relationship between lines and points.
Given :
y - 2 = 3(x - 5)
Those point will satisfy after putting the value of x and y we get LHS= RHS.
take (4, 5)
5-2 = 3(4-5)
3= -3
Hence, not satisfied.
take, (6, 5)
5-2 = 3(6-5)
3= 3
Hence, satisfied.
take, (5, 5)
5-2 = 3(5-5)
3= 0
Hence, not satisfied.
take, (1, 4)
4-2 = 3(1-5)
2= -12
Hence, not satisfied.
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54-90.27-90.22-90.87-90
Answer: -307.36 I think
Step-by-step explanation:
Giving 20 points for the answer.
Answer:
B, A, C
Step-by-step explanation:
add the like terms together (ending in x2 with x2, ending in x with x etc )
Answer:
B A C
Step-by-step explanation:
combining like terms
A 450-pound circus tiger eats 15 pounds of meat per day. How many pounds of meat would you expect a 360-pound tiger to eat per day? A 450 - pound circus tiger eats 15 pounds of meat per day . How many pounds of meat would you expect a 360 - pound tiger to eat per day ?
pls help with thisc...................................
Answer:
D
598*47+38=
28106+38=
28134
Which rational number is equivalent to 5.5?
Answer:
11/2
Step-by-step explanation:
Multiply by 2/2 to remove the decimal.
Assume that the function f is a one-to-one function.
a. if f(3)=9, find ^-1 (9)
b. if f^-1(-8)=-9 , find f(-9)
Answer:
a. 3
b. -8
Step-by-step explanation:
let me know if you want an explanation
only 2/3 of the school districts kindergarten teachers are women. if 59 are men, how many kindergarten teachers in all are employed by the school district
Answer:
177
Step-by-step explanation:
2/3 are women.
that means the remainder, 1/3, are men.
59 = 1/3 of all kindergarten teachers (3/3 = 1 representing the "whole").
so,
59×3 = 177
is the number of all kindergarten teachers employed by the school district.
Find the interval in which the function f(x) = |x + 4| is increasing.
[tex]f { }^{ - } (x) = \frac{2(x + 4)}{2 |x + 4| {}^{} } = \frac{x + 4}{ |x + 4| } [/tex]
[tex] |x + 4| \: is \: always \: positive[/tex]
[tex]solve \: x + 4 > 0[/tex]
[tex]x > - 4[/tex]
[tex]f(x) \: is \: incresing \: from \\[/tex]
]-4,∞[2x+3y=7
2x - 3y = 4
Its asking me to find x
Solve for the values of x and y.
[tex]\quad \huge \quad \quad \boxed{ \tt \:Answer }[/tex]
[tex]\qquad \tt \rightarrow \: x = 6 \:\: units[/tex]
[tex]{\qquad \tt \rightarrow \: y = 20° } [/tex]
____________________________________
[tex] \large \tt Solution \: : [/tex]
Two sides and their opposite angles of a Triangle are given equal.
[tex]\large \textsf{ For x :} [/tex]
[tex]\qquad \tt \rightarrow \: 2x - 1 = x + 5[/tex]
[tex]\qquad \tt \rightarrow \: 2x - x = 5 + 1[/tex]
[tex]\qquad \tt \rightarrow \: x = 6 \: \: units[/tex]
[tex] \large\textsf{For y :} [/tex]
[tex]\qquad \tt \rightarrow \: 3y - 10 = y + 30 [/tex]
[tex]\qquad \tt \rightarrow \: 3y - y = 30 + 10[/tex]
[tex]\qquad \tt \rightarrow \: 2y = 40[/tex]
[tex]\qquad \tt \rightarrow \: y = 20 \degree[/tex]
Answered by : ❝ AǫᴜᴀWɪᴢ ❞
Maximiza a: z=5x+2y
Sujeta a: x+2y≤12
x+y≥4
x,y ≥0
Answer:
hi
Step-by-step explanation:
no
Algebra 2 point slope form help
The slope of the line is
[tex]\frac{-1-4}{-1-0}=5[/tex]
So, the equation of the line in point-slope form is [tex]\boxed{y+1=5(x+1)}[/tex]
Given market demand Qd=50-p, and market supply p=Qs+5.what would be the state of the market if market price was fixed at Birr 25 per unit?
The state of the market if market price was fixed at Birr 25 per unit is excess demand
Quantity demandedQd = 50 - p
p = Qs + 5
p - 5 = Qs
if market price was fixed at Birr 25 per unit?
Qd = 50 - p
= 50 - 25
Qd = 25
Qs = p - 5
= 25 - 5
Qs = 20
The state of the market if market price was fixed at Birr 25 per unit is excess demand (demand greater than supply) leading to an increase in price.
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Need number 2 please!!
Answer:
A
Step-by-step explanation:
note that i = [tex]\sqrt{-1}[/tex]
given
- 1 + 2i[tex]\sqrt{3}[/tex]
= - 1 + [tex]\sqrt{2^2(-1)3}[/tex]
= - 1 + [tex]\sqrt{-12}[/tex]
Help me please I beg you
Mary Lou received $5,000 from her grandparents for her college education 8 years prior to her enrolling in college. Mary Lou invested the money at 5.5% compounded semiannually. How much money would she have in her savings account when she is ready to enroll in college? A: The balance in her account would be $__________ when she is ready to enroll in college. (Round your answer to the nearest cent.)
Answer:
The total amount , principal plus interest, with compound interest on a principal of $5,000.00 at a rate of 5.5% per year compounded 2 times per year over 8 years is $7,717.55.
Step-by-step explanation:
Compound interest is based on the principal amount and the interest that accumulates on it in every period.
Compound interest is the addition of interest to the principal sum of a loan or deposit, or in other words, interest on principal plus interest.
First, convert R as a percent to r as a decimal
r = R/100
r = 5.5/100
r = 0.055 rate per year,
Then solve the equation for A
A = P(1 + r/n)^nt
A = 5,000.00(1 + 0.055/2)^(2)(8)
A = 5,000.00(1 + 0.0275)^(16)
A = $7,717.55
The total amount accrued, principal plus interest, with compound interest on a principal of $5,000.00 at a rate of 5.5% per year compounded 2 times per year over 8 years is $7,717.55.
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