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BigorU [14]
3 years ago
11

Good morning in need to know the answer for these question ​

Mathematics
1 answer:
Olin [163]3 years ago
7 0

Answer:

I kinda forgot how to do this but just to let you know the last question is off the screen.

Step-by-step explanation:

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Use the formula to approximate the speed of light, given that the energy contained in a 1kg object is 9 X 10^16 J
erica [24]

Answer:

c = 3\times 10^{8}\ m/s

Step-by-step explanation:

According to the theory of mass-energy equivalence:-

Energy=mass\times c^2

Where, c is the speed of the light

Given that, Mass = 1 kg

Energy = 9\times 10^{16}\ J

So, applying in the above equation as:-

Energy=mass\times c^2

9\times 10^{16}\ J=1\ kg\times c^2

Solving, we get that:-

c = 3\times 10^{8}\ m/s

4 0
3 years ago
The slope of the linear model is 1.5. What does this
EleoNora [17]

Answer:

Noise level increase by 1.5 per unit increase in number of persons

Step-by-step explanation:

The slope, m of a linear model is the value which represents the unit change in the dependent variable due to a unit chahe in the independent dependent.

The maximum noise in decibel is the dependent variable while the number of persons is the independent variable. Hence, the Coefficient of the independent vatiabkw is the slope and gives the rate of change in the dependent variable per unit Change in the independent variable.

4 0
3 years ago
Can someone please help (and show work plz)
Dominik [7]

Answer:

  AX = 20

  AY = 15

Step-by-step explanation:

The perimeter is ...

  P = AC +CB +BA = (AX +XC) +CB +(BY +YA)

  128 = AX +32 + 37 +24 +AY

  35 = AX +AY

The ratios of corresponding sides are proportional:

  AX/AY = XC/YB = 32/24 = 4/3

This tells us ...

  AX = 4/3·AY

Substituting, we get ...

  35 = (4/3)AY +AY = (7/3)AY

  (3/7)·35 = 15 = AY

  AX = 35 -AY = 20

The side measures are AX = 20, AY = 15.

6 0
3 years ago
You want to make a picture frame for a
docker41 [41]

Answer:

i think you'll need 1 foot 6 inches of wood

Step-by-step explanation:

7 0
4 years ago
Rick invest $5,830 into a retirement saving account. The account compounds at 3.2% monthly for. How much money will Rick have in
stiv31 [10]

Answer:

$746.24

Step-by-step explanation:

3.2/100 = 0.032

5,830 X 4 = 23,320

23,320 X 0.032 = 746.24

3 0
3 years ago
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