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Nadya [2.5K]
2 years ago
13

Finding the expression ANSWER ASAP PLEASE!!!!!

Mathematics
1 answer:
Goshia [24]2 years ago
5 0

Answer:

4^11

Step-by-step explanation:

When you get a multiplication you add the powers.

7 + 4 = 11

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In eleven years gabriella will be 38years old how old is she now​
o-na [289]

Answer: 27

Step-by-step explanation: She is 27 years right now because 38-11 is 27.

7 0
3 years ago
Decrease 160 by 6% .
likoan [24]

Answer:

150.4

Step-by-step explanation:

4 0
3 years ago
Read 2 more answers
Factor 2x2+25x+50. Rewrite the trinomial with the x-term expanded, using the two factors.
zlopas [31]

9514 1404 393

Answer:

  • rewrite: 2x^2 +5x +20x +50
  • factored: (x +10)(2x +5)

Step-by-step explanation:

I find this approach the most straightforward of the various ways that trinomial factoring is explained or diagramed.

You want two factors of "ac" that have a total of "b". Here, that means you want factors of 2·50 = 100 that have a total of 25. It is helpful to know your times tables.

  100 = 1·100 = 2·50 = 4·25 = 5·20 = 10·10

The sums of these factor pairs are 101, 52, 29, 25, and 20. We want the pair with a sum of 25, so that's 5 and 20.

The trinomial can be rewritten using these factors as ...

  2x^2 +5x +20x +50

Then it can be factored by grouping consecutive pairs:

  (2x^2 +5x) +(20x +50) = x(2x +5) +10(2x +5) = (x +10)(2x +5)

_____

<em>Additional comment</em>

It doesn't matter which of the factors of the pair you write first. If our rewrite were ...

  2x^2 +20x +5x +50

Then the grouping and factoring would be (2x^2 +20x) +(5x +50)

  = 2x(x +10) +5(x +10) = (2x +5)(x +10) . . . . . same factoring

6 0
2 years ago
Newton's Law of Cooling states that the rate of change of the temperature of an object, T, is proportional to the difference of
spin [16.1K]

Answer:

- 278.4°F

Step-by-step explanation:

Temperature of Object ( T ) = 1200° F

Temperature of surrounding ( M ) = 80°F

Time ( t ) = 1 hour

dT / dt  ∝ ( M - T )

dT /dt ∝ | ( 80 - 1200 ) |

dT / dt = k ( 1120 )

(1200 - 830 ) / 1 = k ( 1120 )

hence k =  ( 1200 - 830 ) / 1120

              =   370 / 1120 = 0.33

<u>what is the object's temperature (x )after 4 hours </u>

( 1200 - x ) / 4  = 0.33 ( 1120 )

( 1200 - x ) / 4 = 369.6

hence x = 1200 -  ( 4 * 369.6 )

              = - 278.4 ° F

3 0
2 years ago
An artist paints a 4 foot x 16 foot mural on a wall what is the total area of the mural
hram777 [196]

Answer:

64 feet squared

Step-by-step explanation:

Multiply the dimensions (4*16) and that will give you 64)

Hope it helps :>


[MARK BRAINLIEST :) ]

8 0
2 years ago
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