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3 years ago

Which of these shows 9 + 4p rewritten using the commutative property of addition?

2 answers:

7 0

9 + 4p

rewritten using the commutative property of addition = 4p + 9

answer 4p + 9 (first choice)

Eddi Din [679]3 years ago

4 0

Answer:

Option (1) $4p+9$

Step-by-step explanation:

Commutative property of addition states that while adding two real numbers m and n, the order of adding doesn't matter, i.e. we can add, m and n as $m+n$ as well as $n+m$ .

So, we can conclude that the commutative property of addition states that there will be no impact of ordering the terms.

Now, we have $9+4p$

So, by the commutative property of addition we can say that $4p+9$ is same as $9+4p$ .

Hence, the expression shown in option (1) is correct.

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Which equation shows the quadratic formula used correctly to solve 5x2 + 3x – 4 = 0 for x? x = StartFraction negative 3 plus-or-

Brrunno [24]

Answer: FIRST OPTION

Step-by-step explanation:

<h3> The missing picture is attached.</h3>

By definition, given a Quadratic equation in the form:

$ax^2+bx+c=0$

Where "a", "b" and "c" are numerical coefficients and "x" is the unknown variable, you caN use the Quadratic Formula to solve it.

The Quadratic Formula is the following:

$x=\frac{-b \±\sqrt{b^2-4ac} }{2a}$

In this case, the exercise gives you this Quadratic equation:

$5x^2 + 3x - 4 = 0$

You can identify that the numerical coefficients are:

$a=5\\\\b=3\\\\c= - 4$

Therefore, you can substitute values into the Quadratic formula shown above:

$x=\frac{-b \±\sqrt{b^2-4ac} }{2a}\\\\x=\frac{-3 \±\sqrt{(3)^2-4(5)(-4)} }{2(5)}$

You can identify that the equation that shows the Quadratic formula used correctly to solve the Quadratic equation given in the exercise for "x", is the one shown in the First option.

6 0

3 years ago

Read 2 more answers

Please for brainliest do it as quick as possible

nika2105 [10]

Answer:

Step-by-step explanation:

8(11 - 3) - 2(4 + 1)

11 - 3 = 8

4 + 1 = 5

8(5) - 2(5)

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64 - 10 = 54

8 0

3 years ago

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Which equation BEST matches the model? A) 7/9 x 6/8 = 36 B) 7/9 x 3/4 = 21/36 C) 4 x 9 = 36 D) None of the above

patriot [66]

Whats the model because 7/9 × 3/4= 7/12 which also equals to 21/36
as 7/12 is the simplified version of 21/36 but then for c 4×9 =36 so I'm a bit confused my self but here's a bit of a start

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2 years ago

Its only one math question show right steps then get brainliest and right answer ofc

valkas [14]

Step-by-step explanation:

equation.

2(m+10)=4(m−15)

(2)(m)+(2)(10)=(4)(m)+(4)(−15)(Distribute)

2m+20=4m+−60

2m+20=4m−60

Step 2: Subtract 4m from both sides.

2m+20−4m=4m−60−4m

−2m+20=−60

Step 3: Subtract 20 from both sides.

−2m+20−20=−60−20

−2m=−80

Step 4: Divide both sides by -2.

−2m−/2=−80/−2

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3 years ago

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If a = 8 and b = 15, then c =

Anika [276]

Then c = 22 just keep adding 7
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3 years ago