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irinina [24]
3 years ago
15

Which of these choices show a pair of equivalent expressions? Check all that apply.

Mathematics
2 answers:
den301095 [7]3 years ago
8 0

Answer:

B and C

Step-by-step explanation:

A-P-E-X

zhannawk [14.2K]3 years ago
3 0
Hehdhebgrhehehhehehehrurhrhrhhehrhrhhrhdhrh
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Find the slope of the line passing through the points (2,-9) and )1,-3)
nignag [31]

Hi there!

\large\boxed{\text{slope =} 6}

We can calculate slope using the following formula:

slope = \frac{y_{2}-y_{1}}{x_{2}-x_{1}}

Plug in the corresponding points:

slope = \frac{-9-(-3)}{2-1}

Simplify:

slope = \frac{-6}{1} = -6

3 0
3 years ago
Read 2 more answers
I need help with substitution​
Neporo4naja [7]

Answer:

(-7,-15)

Step-by-step explanation:

We can substitute first y in the second y. Both equations are also functions. We can merge the equations.

2x - 1 = x - 8  \\ 2x - x =  - 8 + 1 \\ x =  - 7

Substitute x = -7 in any given equations. I will choose the second equation to substitute in.

y = x - 8 \\ y =  - 7 - 8 \\ y =  - 15

<u>Answer</u><u> </u><u>Check</u>

Substitute both x and y in both equations.

- 15 = 2( - 7) - 1 \\  - 15 =  - 14 - 1 \\  - 15 =  - 15

The equation is true for (-7,-15).

- 15 =  - 7 - 8 \\  - 15 =  - 15

The second equation is true for (-7,-15).

Therefore our answer is (-7,-15)

6 0
3 years ago
Read 2 more answers
1. SIMPLIFY EACH EXPRESSION:
natka813 [3]

Answer:

1. 8x2 - 7x + 4x3 - 2-3x2 + 9x - 4 = 16+2x

Step-by-step explanation:

1. Multiply all the multiplication problems (should look like this --> 16-7x+12-2-6+9x-4)

2. Calculate the sum or difference (should end up looking like this --> 16-7x+9x) and then into this (16 +2x)

Bringing us to the answer → <u>16 + 2x!</u>

<u></u>

8 0
3 years ago
Add the following polynomials
Yuri [45]

Answer is x² + 2x + 5

<u>Step-by-step explanation:</u>

Step 1:

Add the two polynomials

⇒ (2x + 7) + (x² - 2) = 2x + 7 + x² - 2 = x² + 2x + 5

3 0
3 years ago
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A checking account had the following activity over a 2-day period : a withdrawal of $35.47, a deposit of $92.63, and a service c
madam [21]
The answer would be $119.10

174.13-90.50=83.63
83.63+35.47=119.1
8 0
3 years ago
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