4 years ago

2x + 3y greater than or equal to 10

Mathematics

1 answer:

aniked [119]4 years ago

3 0

Greater than I guess

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Max makes $3000 a month. He puts 15% in savings each month. After a year how much would he have in savings?

cricket20 [7]

The answer would be 5,400 ( 3000 times 0.15 would be 450 then, 450 times 12 is 5,400.)

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3 years ago

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How do you divide scientific notation problems like this: 0.00053 ÷ 29?

Shtirlitz [24]

You got to remember
$\frac{x^m}{x^n}=x^{m+n}$

first write them in scienfitic notation
0.00053= $5.3*10^{-4}$
29= $2.9*10^1$

so
$\frac{0.00053}{29}=$
$\frac{(5.3)(10^{-4})}{(2.9)(10^1)}=$
$(\frac{5.3}{2.9})(\frac{10^{-4}}{10^1}=$
$(1.8275862068965517241379310344828)(10^{-4-1})=$
$(1.8275862068965517241379310344828)(10^{-5})=$
$1.8275862068965517241379310344828*10^{-5}$

that's the answer

5 0

4 years ago

Plz help..................refresh page before u answer

S_A_V [24]

$\dfrac{7}{x^2-36}-\dfrac{1}{x-6}=\dfrac{7}{(x+6)(x-6)}-\dfrac{1}{x-6}=\\\\\\=
\dfrac{7}{(x+6)(x-6)}-\dfrac{(x+6)}{(x+6)(x-6)}=\dfrac{7-x-6}{(x+6)(x-6)}=\boxed{\dfrac{1-x}{(x+6)(x-6)}}$

Answer B.

8 0

3 years ago

Which of the following graphs is NOT a function.

Marta_Voda [28]

D is the right answer, using the vertical line test

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4 years ago

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Dale drove to the mountains last weekend. There was heavy traffic on the way there, and the trip took 7 hours. When Dale drove h

matrenka [14]

If you let X = the distance in miles from Dales's house, and understand rate = distance/ time, the rate going to mountains = x/7, and back from mountains is x/5. If dale was 18mph fast going home, the equation would be...
(coming home rate) = (going to mountain rate) + 18 which is
x/5 = x/7 + 18. Then solve for X.
Use the least common denominator = 35 so multiply everything by 35 and you get...

7x = 5x+630
simplify...
2x = 630, then
x = 315 .
Dale live 315 miles away from the mountains.

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4 years ago