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Sladkaya [172]
3 years ago
10

5. Two-thirds a number plus 4 i 7.​

Mathematics
1 answer:
eimsori [14]3 years ago
7 0

Answer:

x = 9/2.

Step-by-step explanation:

2/3 x + 4 = 7

2/3 x = 3

Multiply both sides by 3/2:

2/3 * 3/2 x = 3 * 3/2

x = 9/2.

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A software company is hiring some programmers to add to its development team. A junior programmer salary is $48,000 and a senior
emmainna [20.7K]

Answer:

48,000x + 86,000y \leq 1,200,000

Step-by-step explanation:

x is the number of junior programmers.

Each junior programmers costs $48,000.

So, the cost of x junior programmers is

48,000x

y is the number of senior programmers

Each senior programmer costs $86,000

So the cost of y seniors programmers is

86,000y

The total cost for x junior programmers and y seniors programmers is

48,000x + 86,000y

To keep costs down, the total spending on these new positions must be under $1,200,000 annually.

So the inequality is:

48,000x + 86,000y \leq 1,200,000

8 0
3 years ago
A cardboard carrying box has the dimensions shown below. How many square inches of cardboard are needed to make the box?
Temka [501]

Answer:

D, 344

Step-by-step explanation:

5x6 = 30x2 = 60

6x10 = 60

5x10 = 50x4 = 200

4x6=24 (dont need to divide by two since theres two triangles)

24+60+60+200= 344

8 0
3 years ago
Read 2 more answers
Express the product of 3/8 x 4/9 in simplest form
NeX [460]
When multiplying fractions, you multiply the denominators together and the numerators together.
3/8 x 4/9
(4•3)/(8•9)
12/72 = 1/6

1/6 is the final answer.
8 0
3 years ago
3x-y=5 write the linear equation in slope-intercept form given
maxonik [38]

Answer:

y = -3x - 5

Step-by-step explanation:

3x - y = 5

+3x      +3x

-1y = 3x + 5

----  -----   -----

-1       -1     -1

y = -3x - 5


6 0
3 years ago
And this one too please and thank u.
inn [45]

Answer:

( - 4 \\  - 3

Step-by-step explanation:

4unity to the left

3unity down

8 0
3 years ago
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