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3 years ago

Which statements are true about the lines? Select three options.

Mathematics

1 answer:

dimaraw [331]3 years ago

7 0

Answer:

The answer is A,B,E

Step-by-step explanation:

Step by step

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11. Find the product: (50z + 20)(10z + 4) ( 1 ) 12. Find the product: (88a + 80)(8a + 8) ( 1 ) 13. Find the product: (40y + zy)(

Vika [28.1K]

Answer:

11. $500z^{2} +400z+80$

12. $704a^2 + 1344a + 640$

13. $160y^2 + 44zy^2 + z^2y^2$

Step-by-step explanation:

11. $(50z + 20)(10z + 4) = ?$

Using Formula:

$(a+b) (c+d) = a(c+d)+b(c+d)$

$50z(10z+4) + 20(10z + 4) = \\\Rightarrow 500z^{2} + 200 z+200z+80\\\Rightarrow 500z^{2} +400z+80$

12. $(88a + 80)(8a + 8) = ?$

Using Formula:

$(a+b) (c+d) = a(c+d)+b(c+d)$

$\Rightarrow 88a(8a+8) + 80(8a + 8)\\\Rightarrow 704a^2 + 704a + 640a + 640\\\Rightarrow 704a^2 + 1344a + 640$

13. $(40y + zy)(4y + zy) = ?$

Using Formula:

$(a+b) (c+d) = a(c+d)+b(c+d)$

$\Rightarrow 40y(4y + zy) + zy(4y + zy)\\\Rightarrow 160y^2 + 40zy^2 + 4y^2z + z^2y^2\\\Rightarrow 160y^2 + 44zy^2 + z^2y^2\\$

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3 years ago

Can anyone help me with number two if you can please help!

Gekata [30.6K]

what tools are yiu sing

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3 years ago

Ms. Jones determines that she gives away $800 a month. If she gives 16%

Misha Larkins [42]

Her overall budget would be $5000, If you are using a calculator, enter 800×100÷16, which will give you the answer

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3 years ago

Which expression is equivalent to 12a⁻⁴ b³c⁸/3a⁻² b⁹c⁻²

max2010maxim [7]

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3 years ago

Need help with this.

natka813 [3]

Answer:

yes to 5, and no to -7 (only because we are dealing with real positive numbers, not imaginary numbers). the domain is all real numbers greater than or equal to 2

Step-by-step explanation:

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3 years ago