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Alexandra [31]
4 years ago
7

15 Points

Mathematics
1 answer:
lakkis [162]4 years ago
4 0

Answer:

y = 22⅘

Step-by-step explanation:

5x = 4

x = 0.8

y + 62(0.8) - 3y = 4

2y = 49.6 - 4

2y = 45.6

y = 22.8

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Type the expression that results from the following series of steps:
d1i1m1o1n [39]

Answer:

(x-6)3

hope it helps

4 0
3 years ago
Read 2 more answers
Drag the tiles to the correct boxes to complete the pairs.
olchik [2.2K]

Answer:

1)(2m^2-4m)/2(m-2) = m (fourth blank)

2)m^2-2m+1/m-1= m-1 (second blank)

3)m^2-3m+2/m^2-m= (m-2)/m (first blank)

4)m^2-m-2/m^2-1=(m-2)/(m-1)    (third blank)

Step-by-step explanation:

1)

(2m^2-4m)/2(m-2)

=[2m(m-2m)]/2(m-2)

= 2m/2

=m

2)

m^2-2m+1/m-1

= (m-1)^2/(m-1)

=(m-1)(m-1)/(m-1)

=(m-1)

3)

m^2-3m+2/m^2-m

=m^2-m-2m+2/m(m-1)

=m(m-1)-2(m-1)/m(m-1)

= (m-1)(m-2)/m(m-1)

=(m-2)/m

4)

m^2-m-2/m^2-1

=m^2+m-2m-2/(m+1)(m-1)

=m(m+1)-2(m+1)/(m+1)(m-1)

=(m+1)(m-2)/m+1)(m-1)

=(m-2)/(m-1) !

5 0
3 years ago
Brainliest!!!!
prohojiy [21]

Answer:

C.) 85

Explanation:

Given following:

  • f(x) = 4x + 21
  • g(x) = 2x + 2

While solving these function questions, go from right to left.

Steps:

  • f[g(7)]
  • f[2(7) + 2]
  • f[16]
  • 4(16) + 21
  • 85
6 0
2 years ago
John is doing a fundraiser for school. He needs to sell at least $200 worth of items. John is selling shirts for $10 each and ha
pentagon [3]

Answer:

10x + 8y = $200

Where y > 12

Step-by-step explanation:

Let x represent how many shirts he sells

y represent how many hats he sells.

John is doing a fundraiser for school. He needs to sell at least $200 worth of items. John is selling shirts for $10 each and hats for $8 each.

He must sell more than 12 hats.

y > 12

$10 × x + $8×y = $200

10x + 8y = $200

Where y > 12

The system of inequalities that model this situation is :

10x + 8y = $200

Where y > 12

4 0
3 years ago
Surface area of cylinders<br> 2in radius 4in height use 3.14 for pi. need help
valina [46]

Answer:

Step-by-step explanation:

A = (2)(3.14)(2)(4) + (2)(3.14)(2^2)

A = 75.36 in

5 0
3 years ago
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