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weqwewe [10]
3 years ago
8

Help me please i would really appreciate it ill give 20+ points

Mathematics
1 answer:
Alinara [238K]3 years ago
6 0
It might be d because the side are all the exact same size!
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Really need help rn...........................
Ber [7]

Answer:

5,2

Step-by-step explanation:

5 0
2 years ago
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Divide using synthetic division. ( x^4-12x^2-9)/(x+3)
Firdavs [7]

Answer:

x^3 - 3x^2 - 3x + 9 + (-36/(x+3))

OR

x^3 - 3x^2 - 3x + 9 - (36/(x+3))

Step-by-step explanation:

First set the divisor equal to 0:

x + 3 = 0

Subtract 3 from both sides

x = -3

This is what you'll divide the dividend by in synthetic division.

Take the coefficents of each term in the dividend. Do not forget the 0 placeholders:

x^4 + 0x^3 - 12x^2 + 0x -9

Coefficents: 1. 0.  -12. 0 -9.

Please see the image for the next steps.

The remainder is -36. Put the remainder over the divisor and add it to the polynomial (shown in image)

-36/(x+3)

6 0
3 years ago
Please answer. I think its B because negative × negative = positive. So -5 × -5 = 25. BUT...since the exponent is negative, mayb
yanalaym [24]
Evaluate a^2 where a = -5:
a^2 = (-5)^2
Hint: | Evaluate (-5)^2.
(-5)^2 = 25:
Answer:  25


7 0
3 years ago
The sum of three consecutive integers is 78. What are the three integers?
Yanka [14]

Answer:

25, 26, 27

Step-by-step explanation:

By adding these three consecutive integers together, you get 78. Test it on a calculator if you'd like to.

7 0
3 years ago
Find x and y using subsitution<br><br> -3x + y = 6<br> 5x + 2y =23
vazorg [7]

\left\{\begin{array}{ccc}-3x+y=6&|\text{add 3x to both sides}\\5x+2y=23\end{array}\right\\\\\left\{\begin{array}{ccc}y=3x+6\\5x+2y=23\end{array}\right\\\\\text{substitute}\ y=3x+6\ \text{to the second equation}\\\\5x+2(3x+6)=23\qquad|\text{use distributive property}\\\\5x+(2)(3x)+(2)(6)=23\\\\5x+6x+12=23\qquad|\text{subtract 12 from both sides}\\\\11x=11\qquad|\text{divide both sides by 11}\\\\\boxed{x=1}\\\\\text{subtract the value of x to the first equation}\\\\y=3(1)+6\\\\y=3+6\\\\\boxed{y=9}

<h3>Answer: x = 1 and y = 9 → (1, 9).</h3>
4 0
3 years ago
Read 2 more answers
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