3 years ago

I need help can anyone please help

Mathematics

1 answer:

ahrayia [7]3 years ago

4 0

Answer:

vertically opposite angle

Step-by-step explanation:

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daser333 [38]

Answer:

Step-by-step explanation:

Its Enlargement

27/9 = 3

so 3x5= 15

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3 years ago

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Zielflug [23.3K]

Answer:

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Step-by-step explanation:

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Marat540 [252]

Answer:

y = -5x + 4

Step-by-step explanation:

slope = -5x

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y = mx + b --> slope intercept formula

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(1−√(5))×(2−√(5)) <br><img src="https://tex.z-dn.net/?f=%281%20%2B%204%20%5Csqrt%7B10%7D%20%29%282%20-%20%20%5Csqrt%7B10%7D%20%2

Leviafan [203]

To simplify these expressions, you can either use a calculator (which I'm assuming your teacher doesn't want you to do) or FOIL (distribute).

The first one would be:

$(1- \sqrt{5}) (2- \sqrt{5}) \newline =(1)(2)+(1)(- \sqrt{5} )+(- \sqrt{5})(2)+(- \sqrt{5})(- \sqrt{5}) \newline =2- \sqrt{5}-2 \sqrt{5}+5 \newline =7-3 \sqrt{5}$

The second one would be:

$(1+4 \sqrt{10})( 2- \sqrt{10}) \newline =(1)(2)+(1)(- \sqrt{10})+(4 \sqrt{10} )(2) +(4 \sqrt{10})(- \sqrt{10}) \newline =2-\sqrt{10}+8 \sqrt{10} -40 \newline =-38+7 \sqrt{10}$

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3 years ago

Which of the following statements demonstrates the identity property of multiplication?

alex41 [277]

Answer:

B i think

Step-by-step explanation:

The product of 1 and any number is the number (hence why it is most likely b). But instead of it being 4, it would be -4 because multiplying a negative by a positive results in a negative.

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3 years ago