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dlinn [17]
2 years ago
15

7- Simplify each expression. -8+2(-5)

Mathematics
2 answers:
DIA [1.3K]2 years ago
4 0
To simplify, we use PEMDAS. Since a number near a parentheses means multiplication, and there is no other operations that we need to do first, we do the multiplication first. 2(-5) = 2*(-5) = -10.
Next we add -8 and -10. -8+(-10) is the same as -8-10, which is -18. Hope this helps
postnew [5]2 years ago
3 0

Answer:

-18

Remember PEMDAS.

Step-by-step explanation:

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Read 2 more answers
What number should be placed in the box to help complete the division calculation? Long division setup showing an incomplete cal
lianna [129]

Answer:

The unknown value is being subtracted from 226 is 160

Step-by-step explanation:

Long division setup showing an incomplete calculation

  • 16 is in the divisor
  • 3426 is in the dividend
  • 2 hundreds and 1 tens is written in the quotient
  • 3200 is subtracted from 3426 to give 226
  • An unknown value represented by a box is being subtracted from 226

so,

The dividend = 3426

 The divisor = 16

2 hundreds means 200 and 1 tens means 10

∵ The quotient = 200 + 10 + x

∵ Dividend = divisor × quotient

∴ (16 × 200) + (16 × 10) + (16 × x) +remainder  = 3426  

∵ 16 × 200 = 3200

Subtract 3200 from the dividend  

∴ 3426 - 3200 = 226

∵ 16 × 10 = 160

∴ 226- 160 = 66

⇒160is the unknown value

∵ 16 × x = 16x  

∵ 66 - 16x = 0

∴ 66 = 16x

- Divide both sides by 16

∴ x = 4  and remainder = 2

∴ 3426 ÷ 16 = 200 + 10 + 4

∴ 3426 ÷ 16 = 214  

∴ From the steps above the missing number subtracted from

  226 is 160

The unknown value is being subtracted from 226 is 160

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I want to learn how to do this problem
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Answer:

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Step-by-step explanation:

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