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Debora [2.8K]
3 years ago
7

Question 18 (5 points)

Mathematics
2 answers:
Alecsey [184]3 years ago
7 0

Answer:

D) x=-3, is your answer

Romashka [77]3 years ago
4 0

Answer:

The answer is letter D.

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Please someone help i dont know this :(
steposvetlana [31]

Answer:

D) None of the above

Step-by-step explanation:

These are no supplementary or complimentary because they do not add up to 180 and to be vertical they would have to be across from each other

5 0
3 years ago
Express the given logarithm in terms of common logarithms. Then approximate its value to four decimal places.
zhannawk [14.2K]

Answer:

3.4594

Step-by-step explanation:

To change the base of a logarithm

• log_{b} x = \frac{log_{c}x }{log_{c}b }

where c represents the new base

Changing the base from 2 to 10

log_{2} 11 = \frac{log_{10}11 }{log_{10}2 } ≈ 3.4594

4 0
3 years ago
The original price of a computer is $489.00. it is discounted 30%. find the selling price ​
Yanka [14]

Answer:

$342.30

Step-by-step explanation:

The original price of the computer is $489. The computer is discounted 30%, which means that 30% of the price is removed from the original price.

30% of 489 is

489 * 0.3 which is $146.7

146.7 is the discounted amount, not the selling price. To find the selling price, subtract how much is discounted ( 146.7) from the original price (489).

489-146.7= 342.3

3 0
2 years ago
Please help with this
zysi [14]
Crayon and then marker
7 0
3 years ago
Read 2 more answers
when you sign up for video games are you get 400 points you earn 50 more points for each hour that you play how many hours do yo
aleksandr82 [10.1K]
This is a linear equation
y=mx+b
y=50x+400 (when x equals the number of hours played)

1000=50x+400
*first, isolate the variable (x)
-50x=-1000+400
*divide by -50 to get x by itself
x=20+8

The answer is x=28
4 0
3 years ago
Read 2 more answers
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