What is 8/10 simplified
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What is 5 thousand + 7 thousand in standard form
Y-3=2(x+1) complete the missing value in the solution to the equation
A field has a perimeter of 1.48 kilometres. It is 460 metres long. How wide is the field?
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then subtract 99 - 0.4 = 98.6
the answer is 98.6
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Answer:
The interest Cody gets in 2 years be $56 .
Step-by-step explanation:
Formula
As given
Cody has $700 in a savings account that pays 4% interest .
Principle = $700
Interest = 4%
Time = 2 years
Put in the formula
Simple interest = $ 56
Therefore the interest Cody gets in 2 years be $56 .
21 + 9x = 3y
A. There is no solution.
B. There are an infinite number of solutions.
C. The solution is (1, 10)
D. The solution is (28, 0)
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The system of equations are solved using substitution method and there are infinite number of solutions
What is an Equation?
Equations are mathematical statements with two algebraic expressions flanking the equals (=) sign on either side.
It demonstrates the equality of the relationship between the expressions printed on the left and right sides.
Coefficients, variables, operators, constants, terms, expressions, and the equal to sign are some of the components of an equation. The "=" sign and terms on both sides must always be present when writing an equation.
Given data ,
Let the equation be represented as A
To solve the given system of equations using the substitution method, we can follow these steps:
Step 1:
Solve one of the equations for one variable in terms of the other variable.
Let's solve the first equation, y - 3x = 7, for y in terms of x:
y = 3x + 7
Step 2:
Substitute the expression for the solved variable into the other equation.
Substitute the expression for y from step 1, which is 3x + 7, into the second equation, 21 + 9x = 3y:
21 + 9x = 3(3x + 7)
Step 3:
Simplify and solve for the remaining variable.
Now we can simplify the equation and solve for x:
21 + 9x = 9x + 21
0 = 0
Hence , resulting equation is a true statement, 0 = 0, which means that the system of equations is dependent and there are an infinite number of solutions.
To learn more about equations click :
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The answer is B
let me show my answer
-3x+y=7;9x+21=3y
Solve -3x+y=7 for y
Add 3x to both sides
-3x+y+3x=7+3x
y=3x+7
Substitute 3x+7 for y in 9x+21 =3y
9x+21=3y
9x+21=3(3x+7)
Simplify both sides of the equation
9x+21=9x+21
Add -9x to both sides
9x+21+-9x=9x+21+-9x
21=21
Add -21 to both sides
21+-21=21+-21
0=0
Answer : B , Infinitely many solutions
I hope that's help !
Have a great day !
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The formula of a circumference is:
r - radius
or
d - diameter
We have d = 12cm. Substitute:
One-fourth of the circumference:
Answer: 9.42 cm.
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the mean (all the numbers added together and divided by the number of numbers in the sequence)= 393 +393 + 400 + 482 + 496 +507 +509 + 511= 3691
the median (when, the numbers are placed in order from lowest to highest, the middle number, or if there is a even amount of numbers, the two middle numbers added together than divided by 2) = 482 + 491 = 973/2 = 486.5
these three terms are all different forms of the average, although once you get to high school you will learn that they may not be very accurate when there is outliers, to which you will learn how to calculate the outliers and how to descaled them form your calculations :)
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His pay for a week is $66.94
Step-by-step explanation:
34.44 plus 82.50