3 years ago

I dont know how to do this, please help.

Mathematics

2 answers:

Anit [1.1K]3 years ago

5 0

I'm assuming this is what they want? haha

stepladder [879]3 years ago

4 0

See attached picture, jut write the numbers given in the correct place.

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Will mark brainiest

vagabundo [1.1K]

Answer:

the right answer is d.

just use CAST relation

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3 years ago

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Prove algebraically that (m + 2)2 – m 2 – 12 is always a multiple of 4

Julli [10]

Answer:

$(m + 2)^{2} - m^{2} - 12 = 4(m - 2)$

Step-by-step explanation:

Step 1:

Write the expression

$(m+2)^{2} - m^{2} - 12$

Step 2: Expand $(m + 2)^{2}$

$(m+2)^{2} - m^{2} - 12\\(m+2)(m+2) - m^{2} - 12\\m^{2} + 2m + 2m + 4 - m^{2} - 12$

Step 3: Collect similar terms

$m^{2} - m^{2} + 4m + 4 - 12\\4m - 8$

Step 4: Factor 4 out of the expression to prove that the expression is a multiple of 4.

$Therefore\\4m - 8 = 4(m - 2)\\Hence,\\(m+2)^{2} - m^{2} - 12 is a multiply of 4 because the expression is equal to 4(m-2)$

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3 years ago

5280 x 13 =<br> FREE BRAINLIST EVEN THO I KNOW THE ANSWER

lara [203]

Answer:

Step-by-step explanation:

5280*13= 68640

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3 years ago

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A public school in your city has 1710 girls among the 2970 students. What is the ratio of boys to girls in school

Minchanka [31]

Answer:

The simplest answer would just be 14:19

However the unsimplified answer is 1260:1710

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3 years ago

PLZ ANSWER FAST WILL GIVE BRAINLIEST Find the value of x.<br> 148

ludmilkaskok [199]

74 degrees

An angles value is 1/2 of the value of its corresponding arc. Angle x has the corresponding arc of 148, so it’s 148/2 or 74 degrees

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3 years ago