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Natalka [10]
2 years ago
12

Whatis the value of the expression 2(x + 4) - (y-8)

Mathematics
1 answer:
valentina_108 [34]2 years ago
8 0

Answer:

16 1/16

Step-by-step explanation:

  • x = ⅛
  • y = 3/16

= 2(x + 4) - (y - 8)

= 2(⅛ + 4) - (3/16 - 8)

= 2(4⅛) - (3/16 - 8/1)

= 2(33/8) - (3/16 - 128/16)

= (2 . 33/8) - (-125/16)

= 33/4 + 125/16

= 132/16 + 125/16

= 257/16

= 16 1/16

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-15x + 5 = -10x + 25 solve for x
tatuchka [14]

Answer:

Move all terms containing x to the left side of the equation.

−5x+5=25

Move all terms not containing x to the right side of the equation.

−5x=20

Divide each term by −5 and simplify.

x=−4

Step-by-step explanation:

6 0
2 years ago
Jane and Lee had dinner at The Palace The bill totaled $20 30 with tax The service
kirza4 [7]

Answer:

$3.45

Step-by-step explanation:

$20.30 / 10  = $2.30 = 10%

$2.30 / 2  = $1.15 = 5%

$2.30 + $1.15 = $3.45 = 15%

3 0
3 years ago
Multiply then simplify radicals<br> 3^√9 × 3^√-24 &lt;-- are both cube root<br> √8y^5 × √40y^2
Gemiola [76]

Step-by-step explanation:

∛9 × ∛-24

∛-216

∛(-6)³

-6

√(8y⁵) √(40y²)

√(320y⁷)

√(64y⁶ × 5y)

8y³√(5y)

5 0
3 years ago
Simplify the expression. Write your answer using only positive exponents. Evaluate any numerical powers.
gtnhenbr [62]

Answer:

  • 9x⁵

Step-by-step explanation:

<u>Use properties of exponents:</u>

  • <u />a^{b} a^{c} = a^{b+c}, (a^{b} ^)^{c} = a^{bc}, 1/a^{-b}  = a^{b}

<u>Simplify the given expression:</u>

  • 3⁴⋅x⋅(3/x²)⁻² =
  • 3⁴·x·(3x⁻²)⁻² =
  • 3⁴·x·(3⁻²)(x⁻²ˣ⁻²) =
  • 3⁴⁻²·x¹⁺4 =
  • 3²·x⁵ =
  • 9x⁵

5 0
2 years ago
Part A: Find the GCF of 56 and 96. It is 8, already did this
enot [183]

Question: Part A: Find the GCF of 56 and 96. It is 8, already did this

Part B: Using the GCF you found in Part A, rewrite 56 + 96 as two factors. One factor is the GCF and the other is the sum of two numbers that do not have a common factor. Show your work.

Answer & explanation: Quick-Start Guide. When you enter an expression into the calculator, the calculator will simplify the expression by expanding multiplication and combining like terms. This website will help you out, I think! https://wpblog.wyzant.com lessons Expression Factoring Calculator – Wyzant Lessons

3 0
2 years ago
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