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3 years ago

Explain the differences between properties of equality

Mathematics

1 answer:

Arisa [49]3 years ago

8 0

Step-by-step explanation:

step 1. properties of equality have an "=" in the equation.

step 2. properties of inequality have a <, <=, >=, or a >.

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Two easy seventh grade problems, please help !

N76 [4]

Answer: Step-by-step explanation:

#1. +4.9 +4.9

m/2.8 = _____

*2.8 *2.8 Multiply both by 2.8

Calculate the answer this is your work after all!!!

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3 years ago

Hank the savings account in June of 2002 on June 2006 and $3,800 on June 2014 he had $8,600 if hanks saving is modeled by linear

beks73 [17]

12400 is the answer. Have a good day

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3 years ago

3. Given the following functions f(x) and g(x), solve f[g(7)] and select the correct answer below:

antoniya [11.8K]

Hello,
f(g(x))=f(2x+2)=4(2x+2)+21=8x+29
f(g(7))=8*7+29=56+29=85

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3 years ago

Read 2 more answers

How many real does this 2x^2-5x+3=0 equation have

Pavlova-9 [17]

2 $x^{2}$ -5x+3=0

x= $\frac{-(-5)+ \sqrt{(-5) ^{2}-4*2*3 } }{2*2}$

x=3/2;x=1

3 0

3 years ago

Determine whether the fractions 3 4 and 4 5 are equivalent. Question content area bottom Part 1 Select the correct choice below

VMariaS [17]

Answer: Choice A

The fractions are not equivalent because the product of the numerator of the first fraction and the denominator of the second fraction is <u> 15 </u> , which is not equal to the product of the numerator of the second fraction and the denominator of the first fraction <u> 16 </u>

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Explanation:

We have the template $\frac{P}{Q} = \frac{R}{S}$ which cross multiplies to $PS = QR$

So if $\frac{3}{4} = \frac{4}{5}$ was true, then $3*5 = 4*4$ must be true as well, and vice versa.

The left side 3*5 turns into 15, while the right hand side 4*4 becomes 16. The 15 and 16 don't match up.

In short, $3*5 = 4*4$ turns into $15 = 16$ which is a false statement. So the original claim that $\frac{3}{4} = \frac{4}{5}$ is also false.

5 0

2 years ago