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Leto [7]
3 years ago
13

Solve: 3,125 = 5–10 + 3x X= ?

Mathematics
2 answers:
tamaranim1 [39]3 years ago
8 0

Answer:

5

Step-by-step explanation:

Mandarinka [93]3 years ago
3 0
3,125=5-10+3x
-10          -10
3,115=5+3x
-5       -5
3,110=3x
------   -----
3          3
5=x
x=5
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Find the values of x and y if 5 ˣ⁻³ x 3²ʸ⁻⁸ =225
-BARSIC- [3]

Answer:

x = 5, y = 5

Step-by-step explanation:

{5}^{x - 3}  \times  {3}^{2y - 8}  = 225 \\ {5}^{x - 3}  \times  {3}^{2y - 8}  = 25 \times 9 \\  {5}^{x - 3}  \times  {3}^{2y - 8}  =  {5}^{2} \times  {3}^{2}  \\ equating \: like \: power \: terms \: from \: both \:\\ sides \\ {5}^{x - 3}  =  {5}^{2} \\ x - 3 = 2 (Bases\: are\: equal, \: so\: exponents \: \\will\: also\: be\: equal) \\ x = 3 + 2 \\ \huge \red{ \boxed{ x = 5}} \\  \\ {3}^{2y - 8}  = {3}^{2} \\ 2y - 8 = 2(Bases\: are\: equal, \: so\: exponents \: \\will\: also\: be\: equal)  \\ 2y = 2 + 8 \\ 2y = 10 \\ y =  \frac{10}{2}  \\ \huge \purple{ \boxed{y = 5}}

5 0
3 years ago
Grade 10 math help please. Please show work
masha68 [24]

Answer:

43.94?

Step-by-step explanation:

I think if you use inverse cos you should get the correct number. So, to find cos, you need to know the adjacent side and the hypotenuse. Here, the reference angle would be the person holding the kite. The distance from the person to the barn is the adjacent side, which is 18. The string of the kite, I assume, would be 25.

cos(∅) = \frac{18}{25}

cos(∅) = 0.72

cos⁻¹(0.72) = 43.94

I don't know if that's what you're looking for, but... If it's not correct, lmk so I can rewrite it. :)

4 0
3 years ago
Please give me the answer and why
masha68 [24]

Answer:

1 black

Step-by-step explanation:

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3 0
3 years ago
Is 90ft bigger than 32 yards
JulsSmile [24]
No, 90 feet is NOT bigger than 32 yards.

An easy way to solve this is to convert feet to yards, or vice versa.

1 yard = 3 feet 

32 × 3 = 96 feet

Now, put that into the problem and try and solve it.
Is 90 feet bigger than 96 feet? The answer is NO because 90 < 96.
6 0
2 years ago
Read 2 more answers
Please help me what is the answer?​
bagirrra123 [75]

Answer:

I guess 4

Step-by-step explanation:

4

8 0
3 years ago
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