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puteri [66]
3 years ago
7

). Cho hệ các vector

Mathematics
1 answer:
Greeley [361]3 years ago
6 0
I DONT UNDERSTAND YOUR LANGUAGE IM SORRY ILL TRY TO TRANSLATE
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alex and Lara have $21.00 each to spend at a book fair, where all students receive a 35% discount. They both want to purchase a
storchak [24]
Alex is correct the book would cost $18.52 before taxes adding 10% tax the book would cost an additional $1.85 for a total of $20.37. This would be just under the $21.00 that both Alex and Laura had to spend. Laura tried to combined the 35% discount which you cannot do. So yes they both would be able to purchase the book.
6 0
3 years ago
What is the product of a,b, and c?
Yuri [45]

Answer:

abc =  -  \frac{16}{3}

Step-by-step explanation:

{x}^{ - 2}  {y}^{3}  \sqrt[3]{ 64{x}^{5}  {y}^{3} }  = a {x}^{b}  {y}^{c}  \\  \\  {x}^{ - 2}  {y}^{3}   \times 4 \times  {x}^{ \frac{5}{3} }   \times y= a {x}^{b}  {y}^{c}   \\  \\ 4 {x}^{ \frac{5}{3} - 2 }  {y}^{3 + 1}  = a {x}^{b}  {y}^{c}   \\  \\ 4 {x}^{ \frac{5 - 6}{3} }  {y}^{4}  = a {x}^{b}  {y}^{c}   \\  \\ 4 {x}^{ \frac{ - 1}{3} }  {y}^{4}  = a {x}^{b}  {y}^{c}   \\  \\ equating \: like \: terms \: on \: both \: sides \\  \\ a = 4 \\  \\ b =   - \frac{1}{3}  \\  \\ c = 4 \\  \\ abc = 4 \times ( -  \frac{1}{3} ) \times 4 \\  \\  = 16 \times ( -  \frac{1}{3} ) \\  \\ abc =  -  \frac{16}{3}

6 0
2 years ago
Of the options below select the one/ones that represent a unit rate:
nekit [7.7K]
A I think I’m not 100 sure
4 0
3 years ago
PLEASE HELP!! I NEED THIS SOON!! Explain why you cannot use algebra tiles to model the multiplication of a linear polynomial by
iris [78.8K]

Answer:

Step-by-step explanation:

luhfr

6 0
3 years ago
Read 2 more answers
Please help mee pleaseee
nalin [4]

Answer:

The exact answer in terms of radicals is x = 5*\sqrt[3]{25}

The approximate answer is x \approx 14.62009 (accurate to 5 decimal places)

===============================================

Work Shown:

Let y = \sqrt[5]{x^3}

So the equation reduces to  -7  = 8-3y

Let's solve for y

-7 = 8-3y

8-3y = -7

-3y = -7-8 ... subtract 8 from both sides

-3y = -15

y = -15/(-3) ... divide both sides by -3

y = 5

-----------

Since y = \sqrt[5]{x^3} and y = 5, this means we can equate the two expressions and solve for x

y = 5

\sqrt[5]{x^3} = 5

x^3 = 5^5 Raise both sides to the 5th power

x^3 = 3125

x = \sqrt[3]{3125} Apply cube root to both sides

x = \sqrt[3]{125*25}

x = \sqrt[3]{125}*\sqrt[3]{25}

x = \sqrt[3]{5^3}*\sqrt[3]{25}

x = 5*\sqrt[3]{25}

x \approx 14.62009

4 0
3 years ago
Read 2 more answers
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