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Gnesinka [82]
3 years ago
15

Which expression can be added to the right side of the equal sign form an equation? 8•7 - 4=

Mathematics
2 answers:
photoshop1234 [79]3 years ago
4 0
You use the order of operations. So in you start with multiplication. 8*7= 56. Then that would leave 56-4. 56-4 is 52.
zalisa [80]3 years ago
4 0
Use order of operations method
First,multiply 8*7=56
Then,subtract 56-4=52
Your answer will be 52
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Read 2 more answers
A company has a budget of $280,000 for computing equipment. Tablets cost $500 each, laptops cost $2000 each, and servers cost $5
Kazeer [188]

Answer:

The number of tablets  200

the number of laptops  40

and, the number of servers 20

Step-by-step explanation:

Let the number of tablets be 'x'

the number of laptops be 'y'

and, the number of servers be 'z'

According to the given question

Total budget = $280,000

Tablets cost = $500 each

laptops cost = $2000 each

servers cost = $5000 each

Thus,

500x + 2000y + 5000z = 280,000 ..............(1)

also,

x = 5y  ................(2)

and,

y = 2z  

or

z = \frac{\textup{y}}{\textup{2}}   ............(3)

substituting y from 2 and 3 in equation 1,  we get

(500 × 5y) + (2000 × y) + (5000 × \frac{\textup{y}}{\textup{2}} ) = 280,000

or

2500y + 2000y + 2500y = 280,000

or

7000y = 280,000

or

y = 40

substituting y in equation 2, we get

x = 5 × 40 = 200

substituting y in equation 3 we get

z = \frac{\textup{40}}{\textup{2}}

or

z = 20

hence,

the number of tablets  200

the number of laptops  40

and, the number of servers 20

7 0
3 years ago
What is the area of the paralleglogram 8.5cm and 11.4cm
Anon25 [30]

Answer:

96.9cm squared

Step-by-step explanation:

8 0
3 years ago
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