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wlad13 [49]
3 years ago
11

6x - 9 = 15 linear equations

Mathematics
2 answers:
gayaneshka [121]3 years ago
7 0

X=4

Add 9 to both sides. 6x=24. Divide 6 from both and get 4.

finlep [7]3 years ago
4 0

Answer:

x = 4

Step-by-step explanation:

6x - 9 = 15

6x - 9 + 9 = 15 + 9

6x = 24

6x / 6 = 24 / 6

x = 4

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An artist combines copper and other metals to make bronze. A bronze sculpture
natka813 [3]

Answer:

The dolphin statue is 86% copper, while the bird statue is 83% copper, making the dolphin sculpture more coppery.

Step-by-step explanation:

Since an artist combines copper and other metals to make bronze, and a bronze sculpture of a dolphin contains 43 g of copper for every 7 g of other metals, while a bronze sculpture of a bird contains 83 g of copper for every 17 g of other metals, to determine which sculpture is more coppery the following calculation must be performed:

Dolphin:

43 + 7 = 50

50 = 100

43 = X

43 x 100/50 = X

86 = X

Bird:

83 + 17 = 100

100 = 100

83 = X

83 x 100/100 = X

83 = X

Therefore, the dolphin statue is 86% copper, while the bird statue is 83% copper, making the dolphin sculpture more coppery.

3 0
3 years ago
What is the geometric mean of 4 and 18
sergiy2304 [10]
√(4×18)= √72 or √36√2= 6√2 simplified
4 0
3 years ago
What is the reflection of point p(-1,6) across the line y=x
fiasKO [112]
It's the first one:)
6 0
3 years ago
Read 2 more answers
20 points for u if u teach me how to do this and answer the questions for me
ivann1987 [24]
First write down the formula which is: y=mx+b
M is the slope and B is the y-intercept
The slope is rise/run, so if your slope is 2 then, 2 is your rise and 1 is your run
In order to find the y intercept you have to plot the points given in your question and and move your rise down and moving the run to the left until you find your y-intercept
Once you find the y-intercept, just plug in your slope and y-intercept
8 0
3 years ago
Four more than six multiplied by a number is seven
k0ka [10]

Answer:

4+6n=7

n=1/2

Step-by-step explanation:

put the numbers in and n= a number

8 0
3 years ago
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