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2 years ago

PLEASE HELP <3 click the picture^^

Mathematics

1 answer:

kupik [55]2 years ago

3 0

Answer:

(0,-1)

Step-by-step explanation:

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Alright, here's one for Algebra:

Wewaii [24]

Let x= number rows
Then x + 5 = number of seats per row

x(x+5) = 126
X^2 + 5x = 126
x^2 + 5x -126 = 0; now factor or use quadratic:
(x+14)(x-9) = 0; so the answers are either -14, or 9, and since -14 is not possible in this case because you can't have a negative number of rows, the answer is 9 rows.

Check work: number of rows = 9, number of seats per row = 9+ 5= 14, and 9 x 14 = 126

3 0

2 years ago

I need help quick!! Plz I’m timed and it’s almost up!!

Pepsi [2]

Answer:

Step-by-step explanation:

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3 years ago

What is mpo? 128° O 1730 O 1920 O 256°

Paladinen [302]

Answer:

it's the 2nd one because

Step-by-step explanation:

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8 0

3 years ago

Kelly goes to the store and buys 9 boxes of cookies. The cost of each box is represented with the letter c. Which expression cou

MatroZZZ [7]

Answer:

9c because you don't know how much money Kelly actually spent so instead of doing 9 x the price of each box, you replace it with c, so it's 9c

Step-by-step explanation:

6 0

3 years ago

Pls help I can't do anything I will give the brain thingy

Sidana [21]

Step-by-step explanation:

Blank C :

Given total = 68

No. of TV news = 13

Therefore, in Internet it would be = Total - TV news

= 68 - 13 = 55 (ans)

Blank D :

No. of Internet news in 7th grade = 55

No. of Internet news in 8th grade = 64

Hence, total Internet base news = 64 + 55 = 119 (ans)

Blank B :

All total = 138

Internet news total = 119

Hence, TV news total = All total - Internet news

= 138 - 119 = 19 (ans)

Blank A :

No. of TV news in 7th grade = 13

Total news in TV = 19

Therefore, no. of TV news in 8th grade = 19 - 13 = 6(ans)

Blank E :

All total = 138

Total of 7th grade news = 68

Hence, total of 8th grade news = 138 - 68

= 70 (ans)

6 0

3 years ago