3 years ago

I’m not smart so can someone help me

Mathematics

1 answer:

Bingel [31]3 years ago

6 0

at first plot the point In graph after that measure thatt side and you ll get the answer . thank you

Step-by-step explanation:

please mark as a brainlist

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The number of hours a group of 12 children in Mrs. Smith's kindergarten class read in a day.

sergey [27]

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3 years ago

given that 8-sqrt(18) over sqrt(2) = a + b sqrt(2) where a and b are integers find the value of a and b

Novay_Z [31]

Answer:

a = - 3 and b = 4

Step-by-step explanation:

Given

$\frac{8-\sqrt{18} }{\sqrt{2} }$

Simplify $\sqrt{18}$

= $\sqrt{9(2)}$ = $\sqrt{9}$ × $\sqrt{2}$ = 3 $\sqrt{2}$

Thus expression can be written as

$\frac{8-3\sqrt{2} }{\sqrt{2} }$

Multiply numerator/denominator by $\sqrt{2}$

noting that $\sqrt{2}$ × $\sqrt{2}$ = 2

= $\frac{\sqrt{2}(8-3\sqrt{2}) }{\sqrt{2}(\sqrt{2}) }$

= $\frac{8\sqrt{2}-6 }{2}$

Dividing each term on the numerator by 2

= 4 $\sqrt{2}$ - 3

= - 3 + 4 $\sqrt{2}$

with a = - 3 and b = 4

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3 years ago

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Mei bought a box of markers for b dollars, a shoulder bag that cost twice as much as the box of markers and a pen that cost $6 l

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Box of markers = $ B

Shoulder bag = Twice as much as the box of markers = $ 2B

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Hence, the cost of pen is $ (2B - 6).

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Which of the following best explains why cos2pi/3 is not equal to cos5pi/3?

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Step-by-step explanation:

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Please help! Ill mark brainliest if correct! help ASAP

amm1812

Answer:

Its 1,020

Hope u get it right!!!

U got this!!!!!!!!!!

Step-by-step explanation:

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