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NemiM [27]
3 years ago
13

I need help with 24-28

Mathematics
2 answers:
makkiz [27]3 years ago
7 0
-4 good look on your homework
Deffense [45]3 years ago
3 0
44444444444444444444444444444
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HELPP PLS I NEED THIS WUICK ILL GIVE BRAINLEST
vazorg [7]

Answer:

x = 20

Step-by-step explanation:

(2x+10) = 180 - 130

2x + 10 = 50

2x= 40

x = 20

hope this helps! :)

5 0
3 years ago
2x^2+3x-9=0 what is this answer ​
AlladinOne [14]

Answer:

x = 3 \:  \:  \:  \:  \:  \: or \:  \:  \:  \: x =   - \frac{3}{2}

Step-by-step explanation:

2x^2+3x-9=0 \\ 2x {}^{2}  + 3x - 6x - 9 = 0 \\ x(2x + 3) - 3(2x + 3) = 0 \\ (x - 3) \:  \:  \:  \: or \:  \:  \:  \:  \: (2x + 3) = 0 \\ x - 3 = 0 \:  \: or \:  \:  \: 2x + 3 = 0  \\ x = 3 \:  \:  \:  \:  \:  \:  \:  \:  \: or \:  \:  \:  \: x =    - \frac { 3}{2}

5 0
3 years ago
Triangle ABC pictured above has a right angle at C. If a=4.3 and c=9, find the measure of angle B. Round to the nearest tenth of
Cerrena [4.2K]
61.4596 degrees? I used law of sines
7 0
3 years ago
What is the value of st ÷ (6r) if r = 5, s = 32, and t = 45?
nadezda [96]
St ÷ 6r
(32)(45) ÷ 6(5)
1440 ÷ 30
48
6 0
3 years ago
Read 2 more answers
Someone please help me
nlexa [21]

Answer:

c

Step-by-step explanation:

according to PEMDAS you should always do whats inside the parentheses first, then you'll multiply the parentheses by 5

3 0
4 years ago
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