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Levart [38]
2 years ago
11

Solve the equation using the Properties of Equality. 39 = 8r − 9 r =

Mathematics
1 answer:
larisa86 [58]2 years ago
6 0

Answer: r = -39

Step-by-step explanation:

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Solve this polynomial expression please.
Sedbober [7]
-9x^3 +54x^2 -30x +12
5 0
3 years ago
Simplify:<br><br> 20 - 2 × 8 + 42<br> A. <br> 20<br> B. <br> 160<br> C. <br> 52<br> D. <br> 26
Gnom [1K]

Answer: 46

Step-by-step explanation:

You can simplify this using PEMDAS:

Parentheses

Exponents

Multiplication/division

Addition/subtraction

Move through the steps in that order.

In this case, the first two steps are absent, so multiply first:

20 - 16 + 42

Then, add and subtract:

46.

5 0
3 years ago
Evaluate (2 - 5i)(p + q)i when p = 2 and q = 5i<br>a. 29i<br>b. 291-20<br>C.-21i<br>d.29​
attashe74 [19]

Answer:

A. 29i

Step-by-step explanation:

Step 1: Plug in given variables

(2 - 5i)(2 + 5i)i

Step 2: Difference of squares (expand)

(4 - 25i²)i

Step 3: Imaginary numbers rules

(4 - 25(-1))i

Step 4: Combine like terms

(4 + 25)i

(29)i

Your final answer will be 29i

8 0
3 years ago
Read 2 more answers
Pls help me on this im stuck
Luden [163]

Answer:

44 or B

Step-by-step explanation:

Look at comments above

8 0
2 years ago
Read 2 more answers
Find -11/15 if (n) =5n +6
Anestetic [448]
F(-11/5)=5(-11/5)+6
f(-11/5) = -11+6
<span>f(-11/5) = -5
Hope this helps!</span>
6 0
3 years ago
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