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nataly862011 [7]
3 years ago
14

7th grade work help I Will give brainlist

Mathematics
1 answer:
andrew-mc [135]3 years ago
4 0

Answer:

I need help too someone

Step-by-step explanation:

please

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The table shows a proportional relationship.
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X + (.8 x 1/2 of x) = y
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Use the graph to write a linear function that relates y to x<br><br><br> y=
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The answer is y=3 since there is no slope so the value of x will not affect your graph
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3 years ago
1.(8x+3)(4x-5) 2.(10x-2)(3x+6) please show your work will mark brainliest
ANEK [815]

Answer:

1)

32x^2 - 28x - 15

2)

30x^2 + 54x - 12

Step-by-step explanation:

1.

(8x+3)(4x-5)

Using FOIL

= (8x)(4x) + (8x)(-5) + (3)(4x) + (3)(-5)

= 32x^2 - 40x + 12x - 15

= 32x^2 - 28x - 15

2.

(10x-2)(3x+6)

Using FOIL

= (10x)(3x) + (10x)(6) + (-2)(3x) + (-2)(6)

= 30x^2 + 60x - 6x - 12

= 30x^2 + 54x - 12

8 0
3 years ago
Part 1) A school is selling tickets to a play. Tickets cost $12 at the door and $8.50 if purchased in advance. The school has a
Tems11 [23]

Answer:

  • See below

Step-by-step explanation:

<u>Given:</u>

  • Tickets cost $12 at the door, number of tickets d
  • Tickets cost $8.50 if purchased in advance, number of tickets a
  • Minimum target from tickets sold $1050
<h3>Part 1</h3>

<u>Required inequality to meet the goal:</u>

  • 12d + 8.5a ≥ 1050
<h3>Part 2</h3>

<u>If a = 36 then minimum value of d:</u>

  • 12d + 36*8.5 ≥ 1050
  • 12d + 306 ≥ 1050
  • 12d ≥ 1050 - 306
  • 12d ≥ 744
  • d ≥ 744/12
  • d ≥ 62

Minimum 62 tickets must sell

6 0
3 years ago
If a=b+7 and b+7=9, then a=9
horsena [70]

Answer:

a = 9

b = 2

Step-by-step explanation:

Given : a = 9

a = b + 7

9 = b + 7

b = 9 - 7 = 2

8 0
3 years ago
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