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oksano4ka [1.4K]
1 year ago
10

Solve kx-2=7 for x. A. x=5/k B. x=9k C. x=9-k D. x=9/k ​

Mathematics
2 answers:
timurjin [86]1 year ago
8 0

Answer:

the answer is D- 9/k

KatRina [158]1 year ago
8 0

Answer:

D- 9/k

Step-by-step explanation:

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A gas company uses formula c=26+0.05 t worI out the charge t a customer each month
DochEvi [55]

Answer:

more info please!!!

Step-by-step explanation:

7 0
2 years ago
Whoever answers the questions correctly gets brainlist
andrew11 [14]

Answer:

2. B

3. B

4. 2(7k+5h)

5. $325

Step-by-step explanation:

2) "X decreased by the sum of 2x + 5" Decreased means to be lowered, so that means this problem has subtraction in it. It also says x is being decreased BY the sum of 2x + 5 so that means 2x + 5 needs to be solved, which calls for parentheses. B best fits the description.

3) It is B because if you distribute the 8 to 2a and 3b, you'll get 16a and 24b, which is the given expression.

4) The given expression is 10h + 14k and in the equivalent expression, you are given 5h. To get from 10 to 5, you must divide by 2. This tells you that 2 is being distributed, so you put 2 before the parentheses. Since you divided 10 by 2, you want to do the same to 14, which is 7. Therefore, it is 2(7k+5h).

5) You are given the hourly charge, which is $25. This means that they charge $25 per hour/for every hour. You want to find the cost for 13 hours, so you multiply the hourly charge by 13 hours. 25 x 13 = 325.

7 0
3 years ago
The rectangle shown has a perimeter of 154 cm and the given area. Its length is 5 more than five times its width. Write and solv
Andreyy89

Answer:

2(L+W) = 34

L + W = 17

.

L*W = 52

.

L = 2W+5

.

2L + 2W = 34

L - 2W = 5

--------------- add

3L = 39

L = 13

8 0
3 years ago
Read 2 more answers
There are 8 runners in a race.
lesya692 [45]
STEP 1:
Total runners originally= 8
# of runners to receive trophies= 4

8-2 drop outs= 6 runners total now

STEP 2:
= # of trophies ÷ total runners now
= 4/6
simplify by 2
= (4÷2)/(6÷2)
= 2/3 runners

ANSWER: 2/3 of the remaining runners will win a trophy.

Hope this helps! :)


6 0
3 years ago
Which is the correct cofunction identity for tan0
svetoff [14.1K]

Answer:

  E. cot(90° -θ)

Step-by-step explanation:

The "cofunction" is named by adding or deleting the "co" in front of the function name. The cofunction for tangent is <em>cotangent</em>.

The tangent of an angle is the cotangent of the complement of the angle:

  tan(θ) = cot(90° -θ)

5 0
2 years ago
Read 2 more answers
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