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ser-zykov [4K]
3 years ago
12

Solve. Lets see if you know how to do this.(x+5)(x+5)

Mathematics
1 answer:
love history [14]3 years ago
6 0
For this problem you will need to use distribution. You will do X times X and get X^2. then X times 5 is 5X. Now you do 5 times X and get 5X. Lastly, you will do 5 times 5 and get 25. You then combine like terms and get X^2 + 10X + 25.

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Find the slope of the line whose equation is 6x - 3y = 12.
kirill115 [55]
You can find the slope by making the equation into slope-intercept form, in other words, solving it for y.

6x - 3y = 12                   Subtract 6x from both sides
      -3y = -6x + 12          Divide both sides by -3
         y = 2x - 4              

Slope Intercept form is y = mx + b, where m represents slope. M in your equation is 2, so the slope of the line is 2. 

6 0
4 years ago
Read 2 more answers
Add.
kakasveta [241]

To add expressions, you should take note that you can only combine same terms which means they have the same degree of exponents.

-5x^4 + 6x^3 – 43 + 6x^5 – x^2 + 12x + 12

In this expression, you can only combine the constants because they are the only similar terms:

-5x^4 + 6x^3 + 6x^5 – x^2 + 12x + 12 – 43

-5x^4 + 6x^3 + 6x^5 – x^2 + 12x – 31

The standard form starts with the term with the highest exponent so you just have to arrange the terms:

6x^5 - 5x^4 + 6x^3 – x^2 + 12x + 12

 

 

 

5 0
3 years ago
Read 2 more answers
a. Harry started a new job where he earns the same amount every hour. Last week, he worked 9 hours and earned $108. Write the li
qaws [65]

Answer:

I=12

Step-by-step explanation:

y=108

I=108/9

I=12

5 0
3 years ago
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What is true about the graph of the line y = -3x + 4?
AnnyKZ [126]

Answer: There u go ig

Step-by-step explanation:

7 0
3 years ago
James needs 70 liters of 50% antifreeze. He has 30% antifreeze and 80% antifreeze avail- able. How many liters of the 30% antifr
Goshia [24]

Answer:

(42,28)

Step-by-step explanation:

set up the problem by converting percentages to decimal

x+y=70

.30x+.80y=50(x+y)

solve for x, so minus y in order to get it x alone. equation should look like this: x=70-y

30(70-y)+80y=50(70-y+y)

solve the equation for y

y=28

plug the value of y into the equation x=70-y

x=70-28

solve for x

x=42

check the solution of (42,28)

42+28=70

30*42+80*28=50(42+28)

simplify the equations

70=70

3500=3500

the ordered pair is a solution

so James needs 42 liters of 30% antifreeze and 28 liters of 80% antifreeze.

(42,28)

message me on ig for math help: eduardo.gti

3 0
4 years ago
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