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2 years ago

Help me pls!!! 8th grade math. it’s due today ;-;

Mathematics

1 answer:

OlgaM077 [116]2 years ago

3 0

20 hot dogs!!!!!!!!!!!!!!!!!!!

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A team of seven workers started a job, which can be done in 11 days. On the morning of the fourth day, several people left the t

Lapatulllka [165]

Answer:

3 people left

Step-by-step explanation:

The job can be completed by 7 people in 11 days
The job is equivalent of 7*11 = 77 people*days

<u>After 3 days, job left:</u>

(11 - 3)*7 = 56 people*days

This was completed by 7 - x people as x people left

<u>Time needed was 14 days, we have new equation:</u>

14(7 - x) = 56
7 - x = 4
x = 7 - 4
x = 3

As we found, 3 people left

6 0

2 years ago

Helppppop this is 7th grade math

Dennis_Churaev [7]

B and d are equivalent

3 0

1 year ago

Read 2 more answers

Write the expression in complete factored form. 4c(y+3) - (y+3)=

Anuta_ua [19.1K]

Answer:

(4c-1)(y+3)

Step-by-step explanation:

4c(y+3) -(y+3)

=(4c-1)(y+3)

8 0

2 years ago

Pythagorean Theorem( Radical Answers) Need this asap I would appreciate it:0

nexus9112 [7]

Answer:

2sqrt(13)

Step-by-step explanation:

x = sqrt(36 + 16)

x = sqrt(52)

x = sqrt(4*13) = 2sqrt(13)

5 0

2 years ago

5-7y/2+4y equals -8/7

Ksenya-84 [330]

Answer:

$\boxed{y = 3}$

Step-by-step explanation:

$= > \frac{5 - 7y}{2 + 4y} = - \frac{8}{7} \\ \\ = > 7(5 - 7y) = - 8(2 + 4y) \\ \\ = > (7 \times 5) - (7 \times 7y) = ( - 8 \times 2) + ( - 8 \times 4y) \\ \\ = > 35 - 49y = - 16 - 32y \\ \\ = > 35 - 49y + 32y = - 16 \\ \\ = > 35 - 17y = - 16 \\ \\ = - 17y = - 16 - 35 \\ \\ = > \cancel{- }17y = \cancel{- } 51 \\ \\ = > 17y = 51 \\ \\ = > y = \frac{51}{17} \\ \\ = > y = 3$

4 0

3 years ago