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Anika [276]
3 years ago
8

Evaluate 5(x - 1) - 2 when x = 3. ОА. 12 ОВ. -4 Ос. о. O D. 8

Mathematics
2 answers:
Harlamova29_29 [7]3 years ago
7 0

Answer:

8

Step-by-step explanation:

5(3-1)-2

5(2)-2

10-2

8

olya-2409 [2.1K]3 years ago
3 0

Answer:

D:  8

Step-by-step explanation:

Starting with 5(x - 1) - 2, replace x with 3:

                     5(3 - 1) - 2, or 5(2) - 2, or 10 - 2, or 8.  This matches Answer D.

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What is 150% of 3000? Round to the nearest hundredth
marin [14]

We want to find 150% of 3000. since 150% is greater than 100%, it is expected that 150% 0f 3000 will also be greater than 3000.

150\text{\% of 3000 }=\frac{150}{100}\times3000=4500

Therefore, 150% of 3000 is equal to 4500.

4 0
1 year ago
If four students are selected at random, find the probability that all four rate their study habits as very good
maxonik [38]
Would depend on how many other students are in the class/school.
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2 years ago
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nataly862011 [7]

Answer:

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4 0
2 years ago
Brandon sights a helicopter above a building that is 200 feet away at an angle of elevation of 30 degrees. To the nearest foot,
Firlakuza [10]
The problem says that <span>Brandon sights a helicopter above a building that is 200 feet away at an angle of elevation of 30 degrees. So, you can calculate the height asked, by following this procedure:
</span>
 Tan(α)=Opposite leg/Adjacent leg

 α=30°
 Opposite leg=x
 Adjacent leg=200 feet

 When you substitute these values into the formula above (Tan(α)=Opposite leg/Adjacent leg), you have:

 Tan(α)=Opposite leg/Adjacent leg
 Tan(30°)=x/200
 
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 Therefore, the value of "x" is:

 x=115 feet
<span>
 How high above the ground the is the helicopter?

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4 0
3 years ago
Yarin’s gross pay for the year was $3,500. The federal income tax withholding from his pay was 9% of his gross pay. Yarin determ
inna [77]

9514 1404 393

Answer:

  $200

Step-by-step explanation:

The amount of withholding was ...

  $3500 · 9% = $315

The excess over the amount due is ...

  $315 -115 = $200

Yarin can expect a refund of $200.

3 0
2 years ago
Read 2 more answers
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