Math quiz

Simplify the following equation:(4x-3y+8xy)(4x+4xy-9x).

-1x-3y+12xy

1+3y-12xy

5y+2x+12xy

-1x-3y+13xy

Juana walked in the morning x meters and in the afternoon she walked 200 meters the total of she had walked is 700 what is the correct equation

X+700=200

200+700=x

X+200=700

199+x=700

Plus the folowing polynomials:(9x-7xy+9y)+(4x-8x+7y+yx)

-5x+7xy-16y

5x-6xy+16y

-7x+6xy+16y

16y+7xy-5x

Pass the decimal 0.5 to a fraction

50%

25%

0.5%

Multiply the following expresion:(5x)(5y+7xy+8x)

5xy+7xyx+8x

25xy+35xyx+40xx

25xy+35x elevated of two and y+40x elevated of two

Pass the fraction one half to a decimal.

0.5

0.25

0.05

0.1

Pedro went to the candy shop and he bought 10 lolipop, one lolipop cost 5 dolars.How many he paid?

20 dolars

55 dolars

50 dolars

40 dolars

Godofredo bought a house that cost 1500 dolars,he had had 2000 dolars.How money he have now?

500 dolars

1000 dolars

499 dolars

300 dolars

In the shop they have a promotion that is if you bought a product over 100 yo give the double of these money.How many money they give me if I bought a product of 105?

205 dolars

200 dolars

190 dolars

210 dolars

Peppa had three pizzas one pizza had 8 piezes,I give the half of these three pizzas.How many piezes I have now?

12 piezes

10 `piezes

5 piezes

8 piezes

Cristopher Froome in a etape he ridden 199 km and in the next etape he ridden 188 km.How many km he ridden?

387 km

370 km

390 km

350 km

Substract the following polynomials:(3x+9y-8xy)-(7y+6xy-9x)

12y+2x-14xy

12x+2y-14xy

14x-2xy+2y

12y+7x-9xy

A square had the side of 4+2x+8y.How is the perimeter of the square

8+33x+4y

8y+12x-14

5x+6y-32

16+8x+32y

I had 20 dolars and a box of pencils cost 15 dolar.How money I have now?

6 dolars

5 dolars

7 dolars

4 dolars

My dog had 10 last and this year,how many years it has?

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