Oblicz wartość wyrażeń algebraicznych:a) -x-4y+12+0,5x-3y dla x -1 y -2b) 6-(-3a)+7b-2a dla a -2 b -.... Question from @mati1023

mati1023 @mati1023

September 2018 1 16 Report

Oblicz wartość wyrażeń algebraicznych:

a) -x-4y+12+0,5x-3y dla x -1 y -2

b) 6-(-3a)+7b-2a dla a -2 b -5

c) 13x-7y+(-8z)-20x-(7z)+6y dla x -2 y -3 z -4

Mają być wszystkie obliczenia zapisane !

Za 1 dobre rozwiązanie daje naj z góry thx za rozwiązania

ZAQQQ

a) -x-4y+12+0,5x-3y

-(-1)-4*(-2)+12+0,5*(-1)-3*(-2) = 1+8+12-0,5+6 = 26,5

b) 6-(-3a)+7b-2a

6-(-3*(-2))+7*(-5)-2*(-2) = 6-6-35+4 = -31

c) 13x-7y+(-8z)-20x-(7z)+6y

13*(-2)-7*(-3)-8*(-4)-20*(-2)-7*(-4)+6*(-3) = -26+21+32+40+28-18 = 77

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Rozłóż wielomian w na czynniki a) w(x)=x^3+x-2 b) w(x)=x^4+6x^3+11x^2+6x

DUŻO PUNKTÓW!!! BŁAGAM O POMOC! Zadanie w załączniku.

DUŻO PUNKTÓW Co to za reakcja: C_{2} H_{5}OH + O_{2} ---> C H_{3}COOH + O_{2}

Write sentences using the prompts and used to. 1.I/ride a bike/now I/drive a car 2.Jess/hate flying/now she/be a pilot 3. Mandy/be scared of the dark/now she/turn out the lo=ight 4. Gary/were a school uniform/now he/wear jeans 5. the twins/have long hair/not they/like their hair short

Use the prompts to answer the questions in the psat perferct. 1. Why was your mother sscared of flying? never/fly/before ______ 2. Why didn't he have money for the bus? spend it/on sweets 3. Why did your dad buy a new mobile? old phone/break 4. Why didnt you read the email? already/read it _

Complete the sentences with these verbs in the past simple or past countinous. 1. While he ________(ride) his bike to school he_(see) an acident. 2. Sombody_(steal) ger bag wher she_(look) outof the train window. 3. When we_(arrive) at the airport three large scho9ol groups___(wait) to check in.

Co to koszyk konsumpcyjny?

Bardzo proszę o rozwiązanie krótkiego zadaniaOblicz:2/8-(-1/8)

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