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2 years ago

Can you help please ❗️❗️❗️❗️❗️❗️❗️❗️❗️❗️❗️❗️❗️❗️❗️❗️❗️❗️❗️

Mathematics

2 answers:

Arturiano [62]2 years ago

5 0

I can if you tell what you need help with

NNADVOKAT [17]2 years ago

3 0

Yess I can but we’re is the photo or writing idk

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Kylie explained that (negative 4 x + 9) squared will result in a difference of squares because (negative 4 x + 9) squared = (neg

Eva8 [605]

Given:

The given expression is:

$(-4x+9)^2$

According to Kylie,

$(-4x+9)^2=(-4x)^2+(9)^2$

$(-4x+9)^2=16x^2+81$

To find:

The correct statement for Kylie's explanation.

Solution:

We have,

$(-4x+9)^2$

According to the perfect square trinomial $(a+b)^2=a^2+2ab+b^2$ .

$(-4x+9)^2=(-4x)^2+2(-4x)(9)+(9)^2$

$(-4x+9)^2=16x^2-72x+81$

Kylie did not understand that this is a perfect square trinomial, and she did not determine the product correctly.

Therefore, the correct option is C.

4 0

3 years ago

Read 2 more answers

How do you divide a mixed number into a whole number

laiz [17]

Answer:

<h3>Rules for division with a mixed number and a whole number </h3>

<h3>The mixed number is converted into an improper fraction and the whole number is written as a fraction with denominator 1. </h3>

<h3> 2.Division of the fractions is converted into a multiplication operation by multiplying the improper fraction with the reciprocal of the whole number. </h3>

<h3> 3.The resulting fraction, if required, is written as a mixed number in simplest form.</h3>

<h2>I WILL GIVE YOU EXAMPLES AND LET ME JUST HOPE YOU GET IT ;)</h2><h2 /><h3>Example1: </h3><h3>Divide. Write your answer as a mixed number in simplest form. </h3><h3> </h3><h3>213÷7 </h3><h3>Solution </h3><h3>Step 1: </h3><h3> </h3><h3>First, we write the mixed number 213 as an improper fraction </h3><h3> </h3><h3>213=(2×3+1)3=73; 7=71 </h3><h3> </h3><h3>Step 2: </h3><h3> </h3><h3>The division is converted into multiplication as follows </h3><h3> </h3><h3>213÷7=73÷71=73×17 </h3><h3>Step 3: </h3><h3> </h3><h3>Multiplying numerators and denominators </h3><h3> </h3><h3>73×17=(7×1)(3×7)=721 </h3><h3>Step 4: </h3><h3> </h3><h3>721 can be simplified and written as follows </h3><h3> </h3><h3>721=13 </h3><h3>Step 5: </h3><h3> </h3><h3>So, 213÷7=13</h3><h3 /><h3>example2: </h3><h3 /><h3>Divide. Write your answer as a mixed number in simplest form. </h3><h3> </h3><h3>5÷134 </h3><h3>Solution </h3><h3>Step 1: </h3><h3> </h3><h3>First, we write the mixed number 134 as an improper fraction </h3><h3> </h3><h3>134=(1×4+3)4=74; 5=51 </h3><h3> </h3><h3>Step 2: </h3><h3> </h3><h3>5÷134=51÷74=51×47 </h3><h3>Step 3: </h3><h3> </h3><h3>Multiplying numerators and denominators </h3><h3> </h3><h3>51×47=(5×4)(1×7)=207 </h3><h3>Step 4: </h3><h3> </h3><h3>207 can be written as a mixed number as follows </h3><h3> </h3><h3>207=267 </h3><h3>Step 5: </h3><h3> </h3><h3>So, 5÷134=267</h3><h3 /><h3>OK HOPE THIS HELPS YOU :')</h3><h3 /><h3>PLEASE MARK ME BRILLIANT :3 </h3><h3>THANK YOU -</h3>

7 0

3 years ago

Read 2 more answers

16+6-6x-4=-7x+3+7<br>how to solve for x

Alla [95]

Answer:

x = -8

Step-by-step explanation:

16+6-6x-4=-7x+3+7

Combine like terms

18 -6x = -7x+10

Add 7x to each side