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Leya [2.2K]
2 years ago
9

Please help :) 25 points best answer will get brainliest

Mathematics
2 answers:
larisa86 [58]2 years ago
8 0

Answer: An equality the state of being equal, especially in status, rights, and opportunities. Terms A common technique for simplifying algebraic expressions. When combining like terms, such as 2x and 3x, we add their coefficients. For example, 2x + 3x = (2+3)x = 5x. The distributive property It is used to solve expressions easily by distributing a number to the numbers given in brackets. For example, if we apply the distributive property of multiplication to solve the expression: 4(2 + 4), we would solve it in the following way: 4(2 + 4) = (4 × 2) + (4 × 4) = 8 + 16 = 24. Two step equations that have decimals and fractions as the coefficient of the variable and constant term are said to be two step equations with decimals and fractions. A few examples of two step equations with fractions and decimals are: 0.3 x + 2/3 = 1. 3x - 0.5 = 1.2.

Step-by-step explanation:

natulia [17]2 years ago
6 0

Answer:

Example of Like Terms: 5x = 7x. Like terms are when two numbers have variables or when two numbers don't. Kind of like twins. You can combine them and only them.

Distributive Property: Example: 5(4 + 6) = 50. Distributive property is multiplying the sum of two or more addends by a number that will give the same result as multiplying each addend.

Inequality: An inequality compares two values, showing if one is less than, greater than, or simply not equal to another value. Example: 1 < 3 or 4 > 1. Yes you would use these a lot in the real world.

Two step inequality: 2x + 4 < 8

                                          -4   -4

                                    2x/2 < 4/2

                                Your answer:   x < 2

 Hope This Helps! <3

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WILL MARK BRAINLIST!! SOS MATH. Look at picture
Aleks [24]

Answer:

Yes, the transformation is a 270°  clockwise rotation

Step-by-step explanation:

(-3, 4) ,( -4, 7) and (-2,7) transformed to (-4, - 3), (-7, -4) and (-7, -2).

Rule for 270° clockwise rotation:

(x, y) --> (- y, x)

A transformation that doesn't change the size or shape of an object.

So answer is:

Yes, the transformation is a 270°  clockwise rotation

5 0
3 years ago
The sum of an infinite geometric series is three times the first term. Find the common ratio of this series.
adelina 88 [10]

Answer:

\frac{2}{3}

Step-by-step explanation:

The sum of an  infinite geometric series is expressed according to the formula;

S_\infty = \dfrac{a}{1-r} where;

a is the first term of the series

r is the common ratio

If the sum of an infinite geometric series is three times the first term, this is expressed as S_\infty = 3a

Substitute S_\infty = 3a into the formula above to get the common ratio r;

3a = \dfrac{a}{1-r} \\\\

cross \ multiply\\\\3a(1-r) = a\\\\3(1-r) = 1\\

open the parenthesis

3 - 3r = 1\\\\

subtract 3 from both sides

3 - 3r -3= 1-3\\\\-3r = -2\\\\r = \frac{2}{3}

<em>Hence the common ratio of this series is </em>\frac{2}{3}<em></em>

3 0
3 years ago
How to solve x=6y-11 and 3x-2y=-1 by substitution
vagabundo [1.1K]
Substitute x into the second equation:
3(6y-11)-2y=-1
18y-33-2y=-1
16y=32
y=2
Then put the y value into the first equation to get x:
x=6(2)-11
x=1
There you go!

Please mark brainliest
7 0
3 years ago
I don't understand pls help
MrMuchimi
Twilight was liked by half the class because if you add up the number of students you get 24 and half of 24 is 12
(Hope this helped)
3 0
3 years ago
Pleasee help I need to pass this class!!!! Solve for x
Nady [450]
C. X = 16

To solve, add 7 to both sides and multiply by the reciprocal of \frac{-9}{8}, \frac{-8}{9}.

( \frac{-9}{8} ) X - 7 = -25&#10;&#10;&#10;
( \frac{-9}{8} ) X = -18
X = 16
5 0
3 years ago
Read 2 more answers
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