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Serhud [2]
3 years ago
6

Translate the statement into an equation. Let x represent the unknown number. Do not solve the equation.

Mathematics
2 answers:
strojnjashka [21]3 years ago
8 0

Answer:

4(n+6)=2n-9

Step-by-step explanation:

I believe this is it or something very similar

Hope this helps (:

Mamont248 [21]3 years ago
7 0

Answer:

4x+6=2x-9

Step-by-step explanation:

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2. In AGHK, GH = 11, HK = 21, and GK = 15. To the nearest tenth, what is m​
Simora [160]

Answer:

ok here is the answer

Step-by-step explanation:

how about you stop cheating and do it by your self

7 0
3 years ago
The mean temperature for the first 4 days in January was 8°C. The mean temperature for the first 5 days in January was 7°C. What
mote1985 [20]

Answer:

The temperature of the 5th day was 3°C

Step-by-step explanation:

Mean temperature of the first 4 days = 8°C

Note that:

Mean = Sum of temperatures ÷ number of days

∴ 8 = sum of temperature ÷ 4

= 8 = \frac{sum\ of\ temperatures}{4}

= sum\ of\ temperatures\ = 8\ \times\ 4 = 32

Therefore the sum of the first 4 days = 32

Let the temperature of the next day (the fifth day) be m

Hence,

sum of the temperatures of first 5 days = 32 + m - - - - (1)

Next, the sum of the first 5 days can be calculated from the given average of the first 5 days as follows:

Mean temperature of the first 5 days = 7

Mean = \frac{sum\ of\ temperatures}{number \ of\ days}\\\\7 = \frac{sum\ of\ temperatures}{5} \\sum\ of\ temperatures\ = \ 7\ \times\ 5\ = 35\\sum\ of\ temperature\ of\ the\ first\ 5\ days\ =\ 35 - - - - - (2)

Now, you will notice that equation (1) = equation (2)

∴ 32 + m = 35

m = 35 - 32 = 3

therefore, the temperature of the 5th day was 3°C

4 0
3 years ago
An antique store increases all of its prices by $40\%$, and then announces a $25\%$-off-everything sale. What percent of the ori
Nostrana [21]
Let X be the original price. 
Do a 40% increase we get the price: X+0.4X=1.4X
Doing a 25% off we get the new price:
(1.4X)-0.25(1.4X)=1.05X 
                            =X+0.05X.
The new prices are 5% increase from the original price. 

6 0
3 years ago
Read 2 more answers
2 The length of Rectangle A is 7x +11. The
MakcuM [25]

Answer:

Step-by-step explanation:

If congruent the sides are equal

15x-9=7x+11

8x=20

x=20/8=2.5

8 0
2 years ago
Write the ratio of hands to cellphones in simplest form. it was 8 hands and 4 phones
Lapatulllka [165]

Answer:

The ratio is 2:1

Step-by-step explanation:

This is since there are 2 times the amount of hands as there are phones

4 0
3 years ago
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