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ANTONII [103]
3 years ago
12

All of the following expressions are equivalent except _____.

Mathematics
2 answers:
LuckyWell [14K]3 years ago
8 0
4.)-X+7 Hope this answer is useful to you
s2008m [1.1K]3 years ago
4 0

Answer:

1.) x-7

Step-by-step explanation:

hope it helps

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2.375 in expanded form
kari74 [83]

Answer:

2375^-3

Step-by-step explanation:

Move the decimal place from 2.375 to the back of the number so it should look like this, 2375.

Than move the decimal place back to its original spot and count the amount of spaces you move. Remember, if you move forward, your exponent should be negative. For example, if the problem is 6.321, you would move the decimal place to the back like this, 6321. And then move it back to where it originally was, 6.321, the amount of spaces I moved was 3 spaces and I moved forward so It would be 6.321^-3

6 0
3 years ago
PLEASE HELP ASAP WILLL MARK BRANLIEST TO WHOEVER ANSWERS CORRECTLY FIRST 20 PTS
DedPeter [7]

Answer:

4

Step-by-step explanation:

3 0
3 years ago
Read 2 more answers
10 Points + brainliest.<br> 7a + 50 = 247
Oliga [24]

Answer:

a = 28.14 (Estimated)

Step-by-step explanation:

7a + 50 = 247

=> 7a = 197

=> a = 28.1428571429 (Using Calculator)

=> a = 28.14 (Estimated)

Hoped this helped.

4 0
3 years ago
Read 2 more answers
Complete the table i’ll give brainliest
elena-s [515]

Answer:

1. 4

2. 11

3. 18

4. 25

Step-by-step explanation:

8 0
3 years ago
The altitude of a plane is 1200 meters. From a point on the ground, the angle of elevation of an airplane is 25º. What is the di
gtnhenbr [62]

Answer:

2839.4 meters

Step-by-step explanation:

Given that:

Altitude = 1200 m

Using trigonometry :

The distance from point P to the airplane :

Using trigonometric relation :

Sin θ = opposite / hypotenus

Sin θ = altitude / x

Sin θ = 1200 m / x

Sin 25 = 1200 / x

0.4226182 = 1200 / x

x = 1200 / 0.4226182

x = 2839.4423

Distance from P to airplane = 2839.4 meters

8 0
3 years ago
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