3 years ago

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

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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:

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

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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

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3 years ago

Read 2 more answers

Someone please help me

nlexa [21]

Answer:

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