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Art [367]
3 years ago
6

Simplify. 2³+4⋅8 please I beg you

Mathematics
2 answers:
dalvyx [7]3 years ago
8 0
2^3=2*2*2
2*2*2+4*8
8+32
=> 40
svp [43]3 years ago
5 0
40 im sure kthx byellolnignog
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A car traveling at constant speed traveled 161.5 miles in 3 1/2 hours. What was the car's speed.
dedylja [7]

161.5 miles / 3.5 hrs = 46.143 mph

8 0
3 years ago
Algebra help please I need a equation please
Rudik [331]
K = s + 4
k + s = 26
s + 4 = 26
Subtract 4 from both sides of the equation.
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Read 2 more answers
The product of 12 and k is 84.<br><br> Solve for k.
Mrac [35]

Answer:

The product of 12 and k is 84

According to the given problem, the equation is

\boxed{12k = 84} \\ k =  \frac{84}{12}  \\  \boxed{k = 7}

  • <u>k = 7</u> is the right answer.
5 0
2 years ago
What is the solution of the system?
spin [16.1K]
The Answer is b: x = 18, y = -20

Proof:

Solve the following system:
{4 x + 3 y = 12 | (equation 1)
{7 x + 5 y = 26 | (equation 2)

Swap equation 1 with equation 2:
{7 x + 5 y = 26 | (equation 1)
{4 x + 3 y = 12 | (equation 2)

Subtract 4/7 × (equation 1) from equation 2:
{7 x + 5 y = 26 | (equation 1)
{0 x+y/7 = (-20)/7 | (equation 2)

Multiply equation 2 by 7:
{7 x + 5 y = 26 | (equation 1)
{0 x+y = -20 | (equation 2)

Subtract 5 × (equation 2) from equation 1:
{7 x+0 y = 126 | (equation 1)
{0 x+y = -20 | (equation 2)

Divide equation 1 by 7:
{x+0 y = 18 | (equation 1)
{0 x+y = -20 | (equation 2)

Collect results:

Answer: {x = 18, y = -20
6 0
3 years ago
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