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tensa zangetsu [6.8K]
3 years ago
11

Evaluate 4a3 + 5b4 when a=2 and b=5​

Mathematics
1 answer:
timama [110]3 years ago
7 0

Answer:

4 {a}^{3}  + 5 {b}^{4}   = 4( {2}^{3}) + 5( {5}^{4}  )  \\  = 4(8) + 5(625) \\  = 32 + 3125 \\  = 3157

I hope I helped you^_^

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A Shark Weighs 405 kilograms and 68 grams a second shark weighs 324 kilograms and 75 grams how much more does the first shark we
never [62]

Answer:

7 grams

Step-by-step explanation:

If you're asking me grams specifically, and not kilograms, subtract 68 from 75 to get your answer. If it's only kilograms subtract 324 from 405. If it's both of them added together subtract 399 from 473, you're welcome!

3 0
3 years ago
Solve for x and y
BigorU [14]
You can use elimination
7x - 3y = 4
-10x + 3y = 2
Add both equations
-3x = 6, x = -2
Plug in -2 for x in one equation
7(-2) - 3y = 4
-14 - 3y = 4
-3y = 18, y = -6
Solution: x = -2, y = -6
4 0
3 years ago
Kodiak is riding her skateboard<br> down a hill.<br> What is the slope?<br><br><br> Please help asap
Westkost [7]

Answer:

Slope = 1/20

Step-by-step explanation:

Because every 1 second, she goes down 20 feet.

8 0
4 years ago
Read 2 more answers
Put the following lengths in ascending order, 900cm, 8.9m, 895cm, 9.1m, 12000mm, 0.0092km.
matrenka [14]

Answer: 8.9 m, 895 cm, 900 cm, 9.1 m, 0.0092 km, 12000 mm

===========================================================

Explanation:

To be able to compare these various measurements, all of them must be the same unit. Let's convert each measurement to meters. If the measurement is already in meters, then we'll move onto the next measurement.

Here are some useful conversion factors

  • 1 m = 100 cm
  • 1 m = 1000 mm
  • 1 km = 1000 m

With those conversion factors in mind, we get the following conversions:

  • 900 cm = (900 cm)*(1 m/100 cm) = (900/100) m = 9 m
  • 8.9 m = already in meters, moving on
  • 895 cm = 8.95 meters; divide by 100 to convert from cm to meters as shown above
  • 9.1 m = already in meters, moving on
  • 12000 mm = (12000 mm)*(1 m/1000 mm) = (12000/1000) m = 12 m
  • 0.0092 km = (0.0092 km)*(1000 m/1 km) = (0.0092*1000) m = 9.2 m

Here is the summary of the conversions:

  • 900 cm = 9 m
  • 8.9 m = 8.9 m
  • 895 cm = 8.95 m
  • 9.1 m = 9.1 m
  • 12000 mm = 12 m
  • 0.0092 km = 9.2 m

The original list of

{900cm, 8.9m, 895cm, 9.1m, 12000mm, 0.0092km}

becomes this equivalent list

{9 m, 8.9 m, 8.95 m, 9.1 m, 12 m, 9.2 m}

in that exact order.

After converting everything to meters, we can then sort the values from smallest to largest. Doing so gets us this sorted list of

{8.9 m, 8.95 m, 9 m, 9.1 m, 9.2 m, 12 m}

Then you convert back each measurement to its original form

{8.9 m, 895 cm, 900 cm, 9.1 m, 0.0092 km, 12000 mm}

which is the final answer.

8 0
3 years ago
Read 2 more answers
EASY EASY EASY QUESTION A hot air balloon descends from an altitude of 2,000 feet at a constant rate of 90 feet per minute. The
Solnce55 [7]

Answer:

y=90+2000

Step-by-step explanation:

6 0
3 years ago
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