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adell [148]
3 years ago
12

Quanto é três x ao quadrado menos sete x mais dois e igual a zero ?

Mathematics
1 answer:
Sergeu [11.5K]3 years ago
3 0
3x² - 7 x 2 ? É isso ? 
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3 years ago
Joseph and Dwayne are both selling cookie dough for a fundraiser. Although Joseph has already sold 3 tubs, Dwayne hasn't sold an
ArbitrLikvidat [17]

Answer:The number of days it will take to sell the same amount of cookies is 3 and the number of tubs that will be sold is 27

Step-by-step explanation:

Let x represent the number of days it will take either of them to sell the same number of tubs.

Let y represent the total number of tubs that that Joseph will sell in x days.

Let z represent the total number of tubs that that Dwayne will sell in x days.

Joseph has already sold 3 tubs. If Joseph starts selling 8 tubs per day, it means that in x days, the number of tubs that he will sell will be

y = 8x + 3

Dwayne hasn't sold any yet. If Dwayne begins selling 9 tubs per day, it means that in x days, the number of tubs that he will sell will be

z = 9x

To determine the number of days it will take to sell the same amount of cookies, we will equate y to z. It becomes

8x + 3 = 9x

9x - 8x = 3

x = 3

The number of tubs that each will sell will be 9x = 9×3 = 27

3 0
3 years ago
Arderi Air Conditioning sells one primary model of air conditioner. Each unit of this model costs them $61.25 to produce, but it
svetoff [14.1K]
THE CORRECT ANSWER IS:

Mary sells 43 units; Jay sells 51 units; Abby sells 54 units



HOPE THIS HELPFUL. :)
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3 years ago
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Ninety-five percent of what number is 33.25?
notka56 [123]

Answer:

B

Step-by-step explanation:

Answer is 35

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3 years ago
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Claire and her partner, Grace, are throwing for the javelin event as a team. Claire threw the javelin 42 ft. and Grace threw it
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Answer:

42+39 or 81 feet

Step-by-step explanation:

add them up and you get 81 feet.

Hope this helps plz hit the crown :D

4 0
3 years ago
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