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2 years ago

Evaluate the expression 3^4 divide (14 — 5) x 2.

Mathematics

2 answers:

Licemer1 [7]2 years ago

3 0

Answer: 18

Step-by-step explanation:

lys-0071 [83]2 years ago

3 0

Answer:

it's 18

Step-by-step explanation:

i used math/way by the way

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Determine the intercepts of the line

PolarNik [594]

Answer:

y-intercept : -7

x-intercept : 7/5

Step-by-step explanation:

FOR Y intercept put x =0 in the equation

FOR x intercept put y=0 in the equation!

✌️;)

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3 years ago

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Which equation represents a proportional relationship that has a constant of proportionality equal to 2 with the answers are y=x

cupoosta [38]

We know that
A relationship between two variables, x, and y, is proportional if it can be expressed in the form y/x=k or y=kx
in this problem
k=2
then
y=2x

therefore

the answer is the option
y=2x

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3 years ago

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Daniel has lunch at a restaurant and the cost of his meal is $49.00, because of the service, he wants to leave a 5% tip. what is

yuradex [85]

49*1.05= $51.45

Hope it helped

8 0

2 years ago

Show that 3 · 4^n + 51 is divisible by 3 and 9 for all positive integers n.

-BARSIC- [3]

Answer:

Step-by-step explanation:

Hello, please consider the following.

$3\cdot 4^n+51=3\cdot 4^n+3\cdot 17=3(4^n+17)$

So this is divisible by 3.

Now, to prove that this is divisible by 9 = 3*3 we need to prove that

$4^n+17$ is divisible by 3. We will prove it by induction.

Step 1 - for n = 1

4+17=21= 3*7 this is true

Step 2 - we assume this is true for k so $4^k+17$ is divisible by 3

and we check what happens for k+1

$4^{k+1}+17=4\cdot 4^k+17=3\cdot 4^k + 4^k+17$

$3\cdot 4^k$ is divisible by 3 and

$4^k+17$ is divisible by 3, by induction hypothesis

So, the sum is divisible by 3.

Step 3 - Conclusion

We just prove that $4^n+17$ is divisible by 3 for all positive integers n.

Thanks

4 0

3 years ago

Amy needs to buy 12 notebooks and a pack of pens from the store. The pack of pens cost $2.50 and she has a budget of $30. Which

sweet [91]

I think it’s c, because if the . next to the 12 means x then yes. There should be an c near 12 because we have no clue how much the notebooks are. If the . doesn’t mean x then it should be d.

3 0

2 years ago