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IgorLugansk [536]
4 years ago
9

I am desperate and so clueless. Expertise please! Select EACH correct answer.

Mathematics
1 answer:
Sedaia [141]4 years ago
7 0
K(x) = (1/4)^x

(1,4) when x = 1, k(1) = (1/4)^1 = 1/4....FALSE
(3, 1/64) when x = 3, k(3) = (1/4)^3 = 1/64....TRUE
(-1,4) when x = -1, k(-1) = (1/4)^-1 = 4....TRUE
(0, 1/4) when x = 0, k(0) = (1/4)^0 = 1....FALSE

answer
(3, 1/64)
(-1,4)



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a classroom has 24 bulbs and four of the bulbs are failed. how many arrangements are the four failed bulbs are possible?
astraxan [27]

Answer:

Step-by-step explanation:

3

8 0
1 year ago
What is the value of x?<br> -5x – 2 = -13
Phantasy [73]

Answer:

2.20

Step-by-step explanation:

So add +2 both sides that cancels 2 and that makes it -11.00 now divide it by -5 and x is by itself

So when you divide it x=2.20

Hope that helps

8 0
3 years ago
Read 2 more answers
Value mart is having a back to school sale on pencils a pack of 30 sells for 7.97 whereas a 12 pack brand cost for 4.77 which is
wolverine [178]


30 pack.

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4 0
3 years ago
To balance a seesaw, the distance a person is from the fulcrum is inversely proportional to his or her weight . Roger , who weig
Marysya12 [62]

Answer:

d_e =6.67ft

Step-by-step explanation:

From the question we are told that:

Weight of Roger W_r=120\ pounds

Distance of Roger from fulcrum d_r=6 ft

Weight of Ellen W_e=120\ pounds

Generally the equation for distance-weight relationship is mathematically given by

  d\alpha \frac{1}{W}

  \frac{d_1}{d_2} =\frac{W_2}{W_1}

  \frac{d_r}{d_e} =\frac{W_e}{W_r}

Therefore

 \frac{d_e}{d_r} =\frac{W_r}{W_e}

 d_e =\frac{W_r*d_r}{W_e}

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6 0
3 years ago
Check the solution.
Julli [10]

Answer:

Both equations, when we replace the solution, generate identities.

Step-by-step explanation:

We are given the following system:

y = x - 7

y = -4x + 3

We are given the following solution.

(2,-5).

First equation:

We have to show that when x = 2, y = -5. So

y = x - 7

-5 = 2 - 7

-5 = -5

So ok

Second equation

We have to show that when x = 2, y = -5. So

y = -4x + 3

-5 = -4(2) + 3

-5 = -8 + 3

-5 = -5

We generate both identities, so the solution is checked.

5 0
3 years ago
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