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Sonbull [250]
3 years ago
6

Which of the following phrases describes the expression 2 - 2x​

Mathematics
1 answer:
Tatiana [17]3 years ago
8 0

Answer:c

Step-by-step explanation:cccccc

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Point B is on the graph of the function f(x) = -3x^2. If the x-coordinate of point B is 2, which ordered pair gives the location
Oksana_A [137]
<span>f(x) = -3x^2</span>
insert x=2
y=-3*2^2
y=-3*4
y=-12
so your pair is (2,-12)
6 0
3 years ago
Michael Pedro and Kevin were saving money. All together they saved $130. Kevin saved 3 times more than Pedro. Michael saved $20
yKpoI14uk [10]

Answer:

The saving of all three person are

The Pedro's saving is $ 30

The Michael's saving is $ 10

The Kevin's saving is $ 90

Step-by-step explanation:

Given as :

The three person namely Michael , Pedro , Kevin

The total saving of all together = $ 130

Let The Michael's saving = $ M

The Pedro's saving = $ P

The Kevin's saving = $ k

I.e Michael's saving + Pedro's saving + Kevin's saving = $ 130

Or, M + P + K = $ 130

again ,

Kevin saved 3 times more than Pedro

I.e K = 3 × P

And , Michael save $ 20 less than Pedro

I.e M = P - $ 20

Now

∵ M + P + K = $ 130

or, (  P - $ 20) + P + 3 × P = $ 130

Or, 5 P - $ 20 = $ 130

Or, 5 P = $ 130 + $ 20

Or, 5 P = $ 150

∴ P = $ \frac{150}{5}

I.e P = $ 30

So The Pedro's saving = P = $ 30

And

M = P - $ 20

∴, M = $ 30 - $ 20

I.e M = $ 10

So,  The Michael's saving = M = $ 10

Similarly

K = 3 × P

∴ k = 3 × $ 30

I.e K = $ 90

So, The Kevin's saving = k = $ 90

Hence The saving of all three person are

The Pedro's saving is $ 30

The Michael's saving is $ 10

The Kevin's saving is $ 90

Answer

5 0
3 years ago
An experiment requires the population of the bacteria to reach 2 million before the experiment can begin. The reproduction rate
Furkat [3]

Answer:

about 6 hours

Step-by-step explanation:

8( {7}^{x} ) = 2( {10}^{6} )

{7}^{x}  = 250000

x =  \frac{ ln(250000) }{ ln(7) }  = 6.39

6 0
2 years ago
Over the next week you want to watch a movie a day. In how many ways can this be done if you have 8 movies
Leto [7]
<span>You can select from any of the 8 on the first day, leaving 7 to choose from on the second day, leaving 6 for the third. So, 8 x 7 x 6 x 5 x 4 x 3 x 2 or 8! That's 8factorial, so multiply those out or use a calculator to get 8! and that is your answer.</span>
7 0
3 years ago
Read 2 more answers
Sarah and Jane both brought new storage containers for packing away winter clothing. Sarah’s storage containers are cubic meters
kobusy [5.1K]

Answer: the answer is Sarah

Step-by-step explanation:

Just got it correct on Plato

4 0
3 years ago
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