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Vitek1552 [10]
3 years ago
7

Solve for x. Round your answer to the nearest tenth. (one decimal place) x=??

Mathematics
1 answer:
Fiesta28 [93]3 years ago
6 0

Answer:

<u>Use cosine</u>

  • x/ 8 = cos 20°
  • x = 8 cos 20°
  • x = 7.5
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Select all of the situations below that can be modeled by the expression 4 + 3x.
Hatshy [7]

Answer:

1 2 3

Step-by-step explanation:

3 0
3 years ago
i need help on math
dolphi86 [110]
X=2
2x-3=-x+3

add three to both sides
add 1x to each side
should be left with 3x=6
divide both sides by 3 to get x alone
your answer then is x=2
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3 years ago
250 at 5% simple interest for 3 years
koban [17]
787.50

You multiply 250 by .05 to get 12.50, then you add it to 250 to get 262.50, and multiply it by 3 to get 787.50
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3 years ago
Carl spent $140 in six days. He spent $20 on the first day. He spent the same amount of money during the next five days. 4a.Writ
expeople1 [14]

Answer:

20 + 5m = 140

$24 on each day of the last five days

Step-by-step explanation:

Total amount to spend in 6 days = $140

He spent:

First day = $20

Balance = Total amount to spend - Amount spent on first day

= $140 - $20

= $120

He spent the same amount of money during the next five days.

Amount spent each day in the last 5 days = Balance / 5 days

= 120 / 5

= 24

Amount spent each day in the last 5 days = $24

The equation is

20 + 5m = 140

Where,

m = amount spent in the last five days

20 + 5m = 140

5m = 140 - 20

5m = 120

m = 120 / 5

m = $24

5 0
3 years ago
If angle 1 and angle 2 are vertical angles, and the m&lt;1 = 10x - 9 and m&lt;2 = 4x + 15. Find the value for x.
weeeeeb [17]

Answer:

x = 4

Step-by-step explanation:

Vertical angles are equal.

m∠1 = m∠2

10x - 9 = 4x + 15

Add 9 to both sides

10x = 4x + 15 + 9

10x = 4x + 24

Subtract 4x from both sides

10x -4x = 24

6x = 24

Divide both sides by 6

x = 24/6

x = 4

6 0
3 years ago
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