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3 years ago

Seven times a number is the same as 12 more than 3 times the number

Mathematics

1 answer:

Brums [2.3K]3 years ago

5 0

Answer:

x=3

Step-by-step explanation:

7x=12+3x

4x=12

x=3

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Gala2k [10]

Answer:

$12

Step-by-step explanation:

30x.4=12 dollars for fuel

5 0

2 years ago

How many ounces of gold are in aa 1414-karat gold chain that weighs 2.52.5 ounces?

Andreas93 [3]

Pure gold is 24 karats.
14-karat gold is 14/24 pure gold.

2.5 oz * 14/24 = 1.458333... oz

3 0

3 years ago

Read 2 more answers

What is the simplified version of the expression [(5-1)^2+3^2]/(30 / 6)

VARVARA [1.3K]

Answer:

Exact form is $\frac{16}{5} +\frac{3^2}{5}$

the decimal form is 5

Step-by-step explanation:

4 0

3 years ago

ASAP—-what is the missing value

olga_2 [115]

Answer:

im sure its 139

Step-by-step explanation:

because you do 128 + 93 which is 221

next, you do 360 (triangle angles) then you do 360-221

which gives you 139!

hope it helped! =)

8 0

3 years ago

Is (6, 2) a solution to this system of equations? x + 4y = 14 2x + 4y = 20

uranmaximum [27]

No it’s not because (6,2) would be a no solution so no

3 0

3 years ago