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Karo-lina-s [1.5K]
3 years ago
5

Solve 10x + 16 _> 6x +20 A. X _> 9 B. X _> 1 C. X _< 1 D. X _< 9

Mathematics
2 answers:
Arisa [49]3 years ago
6 0

Answer:

x ≥ 1 (answer B)

Step-by-step explanation:

Your 10x + 16 _> 6x +20 becomes 10x + 16 ≥ 6x +20.  Combining the x terms results in 4x + 16 ≥  20.  Lastly, we subtract 16 from both sides to obtain

4x ≥ 4, or x ≥ 1 (answer B)

Paladinen [302]3 years ago
4 0

Answer:

B. x ≥ 1

Step-by-step explanation:

Step 1: Subtract 6x from both sides

4x + 16 ≥ 20

Step 2: Subtract 16 from both sides

4x ≥ 4

Step 3: Divide both sides by 4

x ≥ 1

And we have our answer!

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All of the following are correct except _____. 3 2 + 5 - 2 = 12 3 2 - 5 + 2 = 6 3 2 5 + 2 = 47 3 2 + 5 2 = 28
zepelin [54]

Answer:

269

Step-by-step explanation:

5 0
3 years ago
Every evening Jenna emptied her pocket and put your change in a jar at the end of the week she counts her money one week she had
Lelu [443]

Answer:

Jenna had 25 quarters and 15 dimes.

Step-by-step explanation:

Let Q = the number of quarters and D = the number of dimes.

Then:

1) Q+D = 40 "One week she had 40 coins, all of them dimes and quarters...."

2) 0.25Q+0.1D = $7.75 "...she had a total of $7.75."

Rewrite equation 1) as: D = 40-Q and substitute into equation 2).

2a) 0.25Q+0.1(40-Q) = 7.75 Simplify the left side.

 

2b) 0.25Q+4-0.1Q = $7.75 Subtract 4 from both sides.

2c) 0.25Q-0.1Q = 3.75 Combine the like-terms on the left side.

2d) 0.15Q = 7.75 Divide both sides by 0.15

2e) Q = 25 and:

D = 40-Q

D = 40-25

D = 15

Jenna had 25 quarters and 15 dimes.

3 0
3 years ago
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Colt1911 [192]

Answer:

Slope = 3

Step-by-step explanation:

Because it increases by 3 each time.

3 0
3 years ago
Order each set of numbers from least to greatest {7 , 9 √50, √85
Oksi-84 [34.3K]

Answer:

7,√50,9,√85

Step-by-step explanation:

The square root of 50 is 7.071 if you round to the nearest thousandth. The square root of 85 is 9.220. From least to greatest is 7,√50,9,√85

8 0
3 years ago
According to a recent study, the average woman's leg hair grows an eighth of an inch per month. A new drug company believes that
Afina-wow [57]

Answer:

Step-by-step explanation:

Null hypothesis should be: The average woman's leg hair grows an eighth of an inch per month: u = eighth of an inch

Alternative hypothesis: The average woman's leg hair growth is not an eighth of an inch per month after treatment: u ≠ eighth of an inch

This test after carrying out its treatment will be able to determine if the drug was effective or not

5 0
3 years ago
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