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kramer
3 years ago
7

2x^4=50 solve by factoring

Mathematics
1 answer:
DENIUS [597]3 years ago
8 0

Answer:

2(x4 − 25) = 0

Step-by-step explanation:

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Llana [10]

<u>Given</u>:

Four lines are marked proportion, the length of TW can be determined by

TW=a+4+b

<u>Value of a:</u>

Let us set the proportion for the given lines.

Thus, we have;

 \frac{a}{7}=\frac{4}{5}

5a=28

 a=5.6

Thus, the value of a is 5.6

<u>Value of b:</u>

Let us set the proportion for the given lines.

Thus, we have;

 \frac{4}{5}=\frac{b}{5}

20=5b

 4=b

Thus, the value of b is 5.

<u>Length of TW:</u>

The length of TW is given by

TW=5.6+4+4

TW=13.6

Thus, the length of TW is 13.6

3 0
3 years ago
The watch at Macys is $400. The store is having a sale and everything is 30% off. What is the final price of the watch?
Ivahew [28]

Answer:

The price of the watch is 280$

Step-by-step explanation:

We know that the original price is 400 dollers, and its on sale for 30%.

So we do 30% of 400 = 120$

finally we do, 400$ - 120$ = 280$

so the final price of the watch is 280$

hope this helps

5 0
3 years ago
Solve for the value of x.
choli [55]

Answer:

A

Step-by-step explanation: I just guessed

3 0
2 years ago
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Help me please , will mark brainliest
Gnom [1K]

Answer:

1. 160ft

2. 218.64ft

3. 84ft

4.  140.67

Step-by-step explanation:

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5 0
2 years ago
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Plane traveled 1120 miles each way to Munich and back. The trip there was with the wind. It took 10 hours. The trip back was int
kotegsom [21]

Answer:

  • 84 mph and 28 mph

Step-by-step explanation:

Let the speed of plane is p and speed of the wind is w.

<u>Then we have:</u>

  • 10*(p + w) = 1120 ⇒ p + w = 112
  • 20*(p - w) = 1120 ⇒ p - w = 56

<u>Sum the two equations and solve for p:</u>

  • p + w + p - w = 112 + 56
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  • p = 84

<u>Find w:</u>

  • 84 + w = 112
  • w = 112 - 84
  • w = 28
6 0
2 years ago
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