3 years ago

Solve for x round to the nearest tenth.

Mathematics

2 answers:

Zielflug [23.3K]3 years ago

8 0

Answer:

I think it is 156 (sorry if the answer is incorrect)

Step-by-step explanation:

every triangle will equal to 180 degrees so 15+9 is 24, 180-24=156

lesya [120]3 years ago

3 0

Answer:

17.5

Step-by-step explanation:

15^2+9^2=225+81=306 then sqrt 306

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If 4x^2 - 100 = 0, the roots of the equation are

ololo11 [35]

$4x^2-100=0 \ \ \ \ \ \ |+100 \\
4x^2=100 \ \ \ \ \ \ \ \ \ \ \ |\div 4 \\
x^2=25 \\
x=\pm \sqrt{25} \\
x=\pm 5 \\
x=-5 \hbox{ or } x=5$

The answer is (3) -5 and 5.

5 0

4 years ago

Audrey is buying a nee car for $32,998. She plans to make a down payment of $4,200. If she's to make a monthly payments of $525

Airida [17]

4,200+525(5×12)
4,200+525(60)=
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6 0

4 years ago

Find the product of 4 (78 + 3).

DanielleElmas [232]

Step-by-step explanation:

$\bold{METHOD\ 1:}\\\\\text{Use PEMDAS}\\\\4(78+3)=4\cdot81=324\\\\\bold{METHOD\ 2:}\\\\\text{Use the distributive property:}\ a(b+c)=ab+ac\\\\4(78+3)=(4)(78)+(4)(3)=312+12=324$