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Marina86 [1]
3 years ago
15

1

Mathematics
2 answers:
alukav5142 [94]3 years ago
4 0

Answer:

what is this

Step-by-step explanation:

Valentin [98]3 years ago
3 0
Your answer is b and a
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3. Multiply the polynomials (a^2 + 3a – 4) and (2a^2 – a + 5). Simplify the answer. Show your work.
Elza [17]

Answer:

2a^4+5a^3-6a^2+19a-20

Step-by-step explanation:

(a^2+3a-4)(2a^2-a+5)

2a^4-a^3+5a^2+6a^3-3a^2+15a-8a^2+4a-20

2a^4-a^3+6a^3+5a^2-3a^2-8a^2+15a+4a-20

2a^4+5a^3+2a^2-8a^2+19a-20

2a^4+5a^3-6a^2+19a-20

8 0
3 years ago
5. Vocabulary A _________<br> is a set of equations that have the same<br> variables.
goblinko [34]

Answer:

Linear equation    

pls mark brainliest

4 0
3 years ago
Read 2 more answers
17x - 400 = 250 + 30x
ruslelena [56]
-50 i hope this helps.
4 0
2 years ago
Read 2 more answers
Express 9/10 in simplest form.
mario62 [17]

Answer:

9/10 in simpliest form is 9/10

Step-by-step explanation:

In order to simplify a fraction there must be:

1. A number that will divide evenly into both the numerator and denominator so it can be reduced. No such number exists for 9 and 10.

or

2. The numerator must be greater than the denominator, (an improper fraction), so it can be converted to a mixed number. 9 is not greater than 10.

9/10 as a decimal: 0.9

9/10 as a percent: 90%

5 0
3 years ago
50 POINTS!!! PLEASE HELP QUICK! In the figure below, AB is a diameter of circle P.
Minchanka [31]

Answer:

43°

Step-by-step explanation:

7x+1+9x-7=90

16x-6=90

16x=96

x=6

the minor arc AD = 7x+1 =7(6)+1

= 42+1=43°

6 0
2 years ago
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