[tex]\begin{array}{ccll} miles&gallons\\ \cline{1-2} 350 & 20\\ 875& g \end{array} \implies \cfrac{350}{875}~~=~~\cfrac{20}{g} \\\\\\ \cfrac{2}{5}=\cfrac{20}{g}\implies 2g=100\implies g=\cfrac{100}{2}\implies g=50[/tex]
Inverse of [2,48] and [56,2130] ?
Answer: inverse of 2,48 there is none and the inverse of 56,2130 there is none
Step-by-step explanation: hope this helps
Expand each logarithm.
log₇49 x y z
If the expression is log₇49 x y z, then the expansion of the expression is 2+log x/ log 7+log y/log 7 +log z/ log 7.
Given that expression is log₇49 x y z.
We are required to find the expanded value of the expression.
The change of base formula is basically used to re-write a logarithm operation as a fraction of logarithms with a new base.
The expression is log₇49 x y z.
log₇49xyz= (log 49+log x+log y+log z)/log 7
We know that log mn=log m+ log n.
=log [tex]7^{2}[/tex]/ log 7+log x/log 7+log y/ log 7+ log z/log 7
=2 log 7/log 7+log x/log 7+log y/ log 7+ log z/log 7
=2+log x/log 7+log y/ log 7+ log z/log 7
Hence if the expression is log₇49xyz, then the expanded form is
2+log x/log 7+log y/ log 7+ log z/log 7.
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what is the probability that at least one of the top three cards in a well shuffled deck of cards is a jack, queen, or king?
The probability that at least one of the top three cards is a jack, queen, or king is 0.289%.
The area of mathematics known as probability deals with numerical representations of the likelihood that an event will occur or that a statement is true.
A deck has a total of 52 cards.
A deck of cards has four jacks.
A deck of cards has four queens.
A deck of cards has four kings.
The total number of jacks, queens, and kings is 4 + 4 + 4 = 12.
Then the probability that at least one of the top three cards is a jack, queen, or king will be:
P = ( 12 / 52 ) × ( 8 / 51 ) × ( 4 / 50 )
P = ( 6 / 26 ) × ( 8 / 51 ) × ( 2 / 25)
P = 96 / 33150
P = 0.289%
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Example: if XYZ - RST, find the value of x.
Answer:
x = 12
Step-by-step explanation:
since the triangles are similar then the ratios of corresponding sides are in proportion, that is
[tex]\frac{XY}{RS}[/tex] = [tex]\frac{XZ}{RT}[/tex] ( substitute values )
[tex]\frac{5x-3}{3x+2}[/tex] = [tex]\frac{60}{40}[/tex] = [tex]\frac{3}{2}[/tex] ( cross- multiply )
2(5x - 3) = 3(3x + 2) ← distribute parenthesis on both sides )
10x - 6 = 9x + 6 ( subtract 9x from both sides )
x - 6 = 6 ( add 6 to both sides )
x = 12
HELP ASAP ONLY IF YOU KNOW THE ANSWER
Decide if the following biconditional statement is true or false:
Two angles are congruent if and only if they are vertical angles
True or false?
Answer: TRUE
Step-by-step explanation:
i got it right.
Simplify each number by using the imaginary number i .
√-50
Answer: The square root of -50 is undefined
Step-by-step explanation: I put it in a calculator It said undefined
5. Main Street is 1.5 miles long. How many feet
long is Main Street?
Solve each equation. Check your answers. ln x-ln 3=4
The value of ln x-ln 3=4 is 163.7
What is logarithm function?
The logarithm is exponentiation's opposite function in mathematics. This indicates that the exponent to which a set number, base b, must be increased in order to create a specific number x, is represented by the logarithm of that number.
given, our equation is -
ln x-ln 3=4
It can be expressed in the form of
⇒ loge (x/3) = 4
⇒ e⁴ = x/3
⇒ x = 3e⁴
⇒ 163.7
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Can someone please help me with this it would mean so much-
Answer:
124°
Step-by-step explanation:
MLI=56°
JIG=180°-56°
=124°
Identify each function or situation as an example of exponential growth or decay. What is the y -intercept?
c. You put $ 2000 into a college savings account for four years. The account pays 6% interest annually.
The function is exponential growth function and the y- intercept is (0,$2000).
Given that the we put $ 2000 into a college savings account for four years and the account pays 6% interest annually.
Exponential growth or decay describes the process of reducing or growing an amount by a consistent percentage rate over a period of time and it is represented by the function y=a(1-b)ˣ where, y is the final amount, a is the original amount and b is the growth or decay factor and x is the amount of time passed.
If a is positive and b is greater than 1 then it is exponential growth.
If a is positive and b is less than 1 but greater than 0 then it exponential decay.
When we put $2000 in our college savings account and we receive 6% annual interest then this situation can be modeled by using equation f(x)=a(1+r)ˣ in which we put a=$2000, r=6%, x=4
Thus we will receive the amount after 4 years:
f(4)=2000(1+(6/100))⁴
Since equation is an exponential growth function so it is also an exponential growth function.
Now, to find the y-intercept we will put x=0.
So, y-intercept is (0,$2000).
Hence, By putting $2000 into a college savings account for four years and the account pays 6% interest annually the function is exponential growth function and the y-intercept is (0,2000).
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Jordin worked 23 hours and 44 minutes. He's paid $13.00 an hour. How much will he get paid?
Change minutes to hours then multiply.
This is pay, so round all answers to the nearest cent if necessary. Two decimal places
Answer:
hola
Si por qué le tenías que restar ala fracción equivalente
24. Find K between M(1, -3) and N(4, 6) such that the
ratio of MK to KN is 1:2.
Answer:
Find K between M(1, -3) and N(4, 6) such that the
ratio of MK to KN is 1:2.
Step-by-step explanation:
Find K between M(1, -3) and N(4, 6) such that the
ratio of MK to KN is 1:2.
The coordinates of point K are (2, 0).
Given that there are three points M, K and N, such that M = (1, -3) and N = (4, 6) and the ratio of MK to KN is 1:2.
We need to find the coordinates of point K.
To find point K between M(1, -3) and N(4, 6) such that the ratio of MK to KN is 1:2, we can use the concept of section formula.
Let's assume the coordinates of point K are (x, y).
The section formula states that if a point K divides a line segment MN in the ratio m:n, then the coordinates of K are given by:
x = (n·x₁ + m·x₂) / (m + n)
y = (n·y₁ + m·y₂) / (m + n)
where (x₁, y₁) are the coordinates of point M and (x₂, y₂) are the coordinates of point N.
In this case, the ratio of MK to KN is 1:2, so m = 1 and n = 2.
Substituting the coordinates of M(1, -3) and N(4, 6) into the formula:
x = (2·1 + 1·4) / (1 + 2)
= (2 + 4) / 3
= 6 / 3 = 2
y = (2·(-3) + 1·6) / (1 + 2)
= (-6 + 6) / 3
= 0 / 3
= 0
So, the coordinates of point K are (2, 0).
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a plumber charges 70$ for fixing a leak plus 24$ per hour for his labor the plumber charged a total of 262$ write an equation to model the problem
Answer: (262 - 70) ÷ 24
Step-by-step explanation:
PLSS HELPP MEE!!!!!! A biker traveled 20 miles in 4 hours. A unit rate to describe this would be 5 miles per hour. What is another unit rate in this situation? (4 points)
a
1 over 5 mile per hour
b
1 over 5 hour per mile
c
1 mile per hour
d
5 hours per mile
Answer:
5miles : 1hour
Step-by-step explanation:
source: trust me
no really dont
Question 10
When choosing a loan, which of the following scenarios is best?
1Points
A
lower APR, shorter loan, and extra principal payments
B
lower APR, longer loan, and extra interest payments
C
higher APR, shorter loan, and make interest payments
When choosing a loan, the best scenario is lower APR, shorter loan, and extra principal payments.
How to illustrate the information?A loan is a type of debt that a person or other entity incurs. The lender advances the borrower a certain amount of money, typically on behalf of a business, financial institution, or government. The borrower accepts a specific set of terms in return, which may include any financial costs, interest, a repayment schedule, and other requirements.
APR represents the total yearly cost of a loan to the borrower, including all fees. The APR is stated as a percentage, just like an interest rate. It does, however, contain other costs or fees such as mortgage insurance, the majority of closing costs, discount points, and loan origination fees, unlike an interest rate. It should be noted that the APR simply means the annual percentage rate which is the interest that's generated on the amount borrowed.
Therefore, it should be noted that when choosing a loan, the best scenario is a lower APR, shorter loan, and extra principal payments
This is important in order to reduce the value that the person will pay and make it easier to return the loan.
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SINE / COSINE RULE , bro help me
Using the law of sines, the length of side x, to 1 decimal place, is: 10.8 cm.
How to Apply the Law of Sines?The law of sines states that:
Sin A/a = sin B/b = sin C/c.
Let:
Measure of angle A = 81°
a = x = ?
Measure of angle B = 40°
b = 7 cm
Plug in the values into Sin A/a = sin B/b to find the value of x
Sin 81/x = sin 40/7
Cross multiply
(x)(sin 40) = (sin 81)(7)
Divide both sides by sin 40
(x)(sin 40)/sin 40 = (sin 81 × 7)/sin 40
x = (sin 81 × 7)/sin 40
x = 10.8 cm (to 1 decimal place)
Therefore, using the law of sines, the length of side x, to 1 decimal place, is: 10.8 cm.
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The sides of a triangle
it's longest attitude:
are 35cm, 54cm and 61cm, respectively. The lenght of
The length of the longest altitude of the triangle is 24 √5 cm.
The sides of the triangle that are given are:
35 cm, 54 cm and 61 cm
We need to find the longest altitude of the triangle.
We know that:
s = ( a + b + c ) / 2
s = ( 35 + 54 + 61 ) / 2
s = 150 / 2
s = 75
s - a = 75 - 35
s - a = 40
s - b = 75 - 54
s - b = 21
s - c = 75 - 61
s - c = 14
Area, A = √ s (s − a)(s − b)(s − c)
A = √ 75 (40) (21) (14)
A = 420 √ 5 cm²
Now, area is also equal to:
Area = 1 / 2 × b × h
420 √5 = 1 / 2 × 35 × h
h = 420 √ 5 × 2 ÷ 35
h = 24 √5 cm
Therefore, the length of the longest altitude of the triangle is 24 √5 cm.
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Write each equation in logarithmic form.
8=(1/2)⁻³
The logarithmic form of 8 = (1/2)⁻³ is given by log₍₁/₂₎(8) = -3.
The logarithm is exponentiation's opposite function in mathematics. This means that the logarithm of a fixed number, base b, represents the exponent to which that fixed number must be raised in order to create a particular number x.. The logarithm counts the number of times the same factor appears during repeated multiplication in the simplest scenario.
The given exponential form of the equation is 8 = (1/2)⁻³
To transform this exponential form into logarithmic form, we are requested.
Consider the given exponential form: 8 = (1/2)⁻³
Taking logarithm on both sides with the base as (1/2), we get,⇒ log₍₁/₂₎(8) = log₍₁/₂₎(1/2)⁻³
Now using the logarithmic rule logₐ(aⁿ) = n × logₐ(a) in the RHS of the above equation, we get
⇒ log₍₁/₂₎(8) = (-3) × log₍₁/₂₎(1/2)
⇒ log₍₁/₂₎(8) = (-3) × 1
(Since logₐ(a) = 1, for a > 0)
⇒ log₍₁/₂₎(8) = -3
Therefore, the logarithmic form of 8 = (1/2)⁻³ is given by log₍₁/₂₎(8) = -3.
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Simplify each number. 32 . 256¹/₂
32. [tex]256^{\frac{1}{2} }[/tex] can be simplified into 512.
Prime factorization is the process of breaking down a number into its prime factors. Multiplying these prime numbers gives back the original number.
Prime factorization of 32 = 2 x 2 x 2 x 2 x 2 = [tex]2^{5}[/tex]
Prime factorization of 256= 2 x 2 x 2 x 2 x 2 x 2 x 2 x 2 = [tex]2^{8}[/tex]
According to the law of indices, if a term with a power is raised to a power, then the powers are multiplied together.
i.e., [tex](x^{m})^{n} = x^{mn}[/tex]
Another law of indices says that if two terms having same base are multiplied together, then their indices are added.
i.e., [tex]a^{m} . a^{n } =a^{m+n}[/tex]
According to the given condition,
∴[tex]32 = 2^{5}[/tex]
[tex]256^{\frac{1}{2}} = (2^{8})^{\frac{1}{2} }[/tex]
∴ 32. [tex]256^{\frac{1}{2} }[/tex] = [tex]2^{5}[/tex] × [tex](2^{8})^{\frac{1}{2} }[/tex]
Applying the laws of indices mentioned above,
32. [tex]256^{\frac{1}{2} }[/tex] = [tex]2^{5}[/tex] × [tex](2^{8 X }^{\frac{1}{2} })[/tex]
= [tex]2^{5}[/tex] × [tex]2^{4}[/tex]
= [tex]2^{5 + 4}[/tex] = [tex]2^{9}[/tex]
= 512.
Thus, 32. [tex]256^{\frac{1}{2} }[/tex] can be simplified into 512.
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add 8 in the hundreds place 724,062.58
Answer:
724,862.58
Step-by-step explanation:
7 (hundred thousands)
2 (ten thousands)
4 (one thousands)
,
0 (hundreds)
6 (tens)
2 (ones)
.
5 (tenths)
8 (hundreths)
Answer:
I think that your answer would be 724,862.58
Step-by-step explanation:
The name of the figure below is ___ ___.
[ Brainliest + easy points ]
Answer:
Step-by-step explanation:
I think it´s the polygamous
A line that includes the points (h,3) and (9, –3) has a slope of –1. What is the value of h?
The value of h is 3
How to find a point in a coordinates using the slope?The line that includes the point (h, 3) and (9, -3) has a slope of -1.
Using the slope intercept equation,
y = mx + b
where
m = slopeb = y-interceptTherefore,
y = mx + b
y = -x + b
using (9, - 3)
-3 = - 9 + b
b = -3 + 9
b = 6
Therefore, the equation is as follows:
y = -x + 6
using (h, 3)
y = -(h) + 6
3 = -h + 6
-h = 3 - 6
-h = -3
h = 3
Therefore, the value of h is 3.
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Question 11 and 12 need help
Answer:
This is for #12
-2 > x
set notation: {x│x < -2}
interval notation: x∈(-∞, -2)
Step-by-step explanation:
-3(x+2) > 10+5x
-3x-6 > 10+5x
+3x +3x
-6 > 10+8x
-10 -10
-16 > 8x
÷8 ÷8
-2 > x
set notation: {x│x < -2}
interval notation: x∈(-∞, -2)
Please help with question
Answer:
320
Step-by-step explanation:
Use PEMDAS - order of operations
5(2)^2 + 3(10)^2
5 x 4 + 3 x 100
20 + 300
320
answer with work and for brainliest
The solutions of the expressions are as below:
10. -9x - 2; x = -4 3411. 24 - 8x; x = -2.25 4212. 15x + 9; x = -1/10 7.513. (a, b) are points located on the first quadrant that is a is positive x axis and b is positive y axis
(-a, b) are points located on the second quadrant that is: a is negative x axis and positive y axis
(a, -b) are points located on the fourth quadrant that is: a is positive x axis and negative y axis
(-a, -b) are points located on the third quadrant that is: a is negative x axis and negative y axis
How to solve the given expressions10. -9x - 2; x = -4
-9x - 2 for x = -4
= -9 * -4 - 2
= 36 - 2
= 34
11. 24 - 8x; x = -2.25
= 24 - 8 * - 2.25
= 24 + 18
= 42
12. 15x + 9; x = -1/10
= 15 * -1/10 + 9
= -1.5 + 9
= 7.5
13.
a are points in the x axis and b are points in the y axis
(a, b) are points located on the first quadrant that is a is positive x axis and b is positive y axis
(-a, b) are points located on the second quadrant that is: a is negative x axis and positive y axis
(a, -b) are points located on the fourth quadrant that is: a is positive x axis and negative y axis
(-a, -b) are points located on the third quadrant that is: a is negative x axis and negative y axis
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An earthquake of magnitude 9.1 occurred in 2004 in the Indian Ocean near Indonesia. It was about 74,900 times as strong as the greatest earthquake ever to hit Texas. Find the magnitude of the Texas earthquake. (Remember that an increase of 1.0 on the Richter scale means an earthquake is 30 times stronger.)
a. Can you write an exponential or logarithmic equation?
The Magnitude of earthquake that hit Texas is 5.8; The logarithmic equation, in terms of exponents, so formed is: 74900 = [tex]30^M[/tex].
What is Logarithm?The opposite of exponentiation is the logarithm.This indicates that the exponent to which a fixed number, base b, must be raised in order to obtain a specific number x, is represented by the logarithm of that number.A number's natural logarithm is its logarithm to the base of the transcendental and irrational number e, which is roughly equivalent to 2.718281828459.Given:
Magnitude of earthquake that hit Indian Ocean = 9.1 [tex]I_1[/tex] = Intensity of weaker earthquake[tex]I_2[/tex] = Intensity of greater earthquake.To find: Magnitude of earthquake that hit Texas.
Finding:
From the given, [tex]\frac{I_2}{I_1}[/tex] gives the ratio of the greater earthquake's intensity to the weaker earthquake's intensity.This ratio, when written as an exponential equation, equals [tex]30^M[/tex] where M is the increase in magnitude difference:=> [tex]\frac{I_2}{I_1}[/tex] = [tex]30^M[/tex]
For [tex]\frac{I_2}{I_1}[/tex] = 74900, the above expression becomes:
=> 74900 = [tex]30^M[/tex]
Taking logarithm on both sides, with base 10 gives:
=> log (74900) = log ([tex]30^M[/tex])
As [tex]log_b(a)^m = m(log_b(a))[/tex],
=> log (74900) = M ( log (30))
=> [tex]\frac{log(74900)}{log (30)}[/tex] = M
=> M ≈ 3.3, i.e., the increase in magnitude difference is approximately 3.3.
Thus, the magnitude of the earthquake that hit Texas = 9.1 - 3.3 = 5.8.
The logarithmic equation, in terms of exponents, so formed is: 74900 = [tex]30^M[/tex]
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Create a real life context that can be represented by the linear equation y=-2.65x+ 25.
Answer:
If you have 2 dollars and 65 cents per day, and you get 25 dollar commission.
Step-by-step explanation:
An insurance company, based on past experience, estimates the mean damage for a natural disaster in its area is $5,000. After introducing several plans to prevent loss, it randomly samples 200 policyholders and finds the mean amount per claim was $4,800 with a standard deviation of $1,300. Does it appear the prevention plans were effective in reducing the mean amount of a claim? use the 0. 05 significance level. A. What is the decision rule? (negative amount should be indicated by a minus sign. Round your answer to 3 decimal places. )
In this case, the population consists of an insurance company's policyholders. The sample consists of his 200 policyholders under study. The sample size is 200.
H0: µ ≥ $5,000
Ha: µ < $5,000 (claimed)
As we can see that the sample size is 200, which is way greater than 30, so a z-test is appropriate here.
z(test) = (4800 - 5000) / (1300 / √200) = -2.1757
p (z = -2.1757) = 0.0148
The critical z-value for the left-sided test at α = 0.05 is -1.645
The tested value of z is less than the critical value, so we reject the null hypothesis. The hypothesis drawn here ( null hypothesis) will be rejected as an alternate decision because the p-value is less than the significance level (0.05).
At the 0.05 significance level, the prevention plan effectively reduced the average amount of harm. Insurers should continue these plans and try to improve them where possible.
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Create two ratios that are equivalent to 1/3 using multiplication
the three equivalent ratios to the ratio 1 : 3 will be 2 : 6 , 3 : 9 and 4 : 12.
We are given a fraction 1 / 3
This can also be written as a ratio as 1 : 3
Now, the equivalent ratios to it will be:
First one:
1 × 2 : 3 × 3
= 2 : 6
Second one:
1 × 3 : 3 × 3
= 3 : 9
Third one:
1 × 4 : 3 × 4
= 4 : 12
Therefore, the three equivalent ratios to the ratio 1 : 3 will be 2 : 6 , 3 : 9 and 4 : 12.
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Alissa has two pieces of carpet runner one is 2 1/3 yards long and the other is 3 1/3 yard long she needs 10 yards of carpet runner altogether how much more does she need to buy