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Svetlanka [38]
3 years ago
7

Simplify: 2/5y−4+7−9/10y

Mathematics
2 answers:
algol133 years ago
7 0
It’s a nightmare question
Lostsunrise [7]3 years ago
5 0

Answer:

-1/2y + 3

Step-by-step explanation:

2/5y - 4 + 7 - 9/10y

= (2/5y - 9/10y) + (-4 + 7)

= (2/5 - 9/10) y + 3

= (4/10 - 9/10) y + 3

= -5/10y + 3

= -1/2y + 3

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PLEASE HELP LOOK AT PICTURE YOU ANSWER I GIVE BRAINLIEST
Norma-Jean [14]

Answer:

Your answer would be 26.64cm.

A step-by-step explanation for you, peabrain:

For all four sides:

1.8cm x 2.7cm = 4.86cm

4.8cm x 4 sides = 19.44cm

For the top and bottom:

1.8cm x 1.8cm = 3.6

3.6cm x 2 sides = 7.2cm

For the complete LSA (lateral surface area):

19.44 + 7.2cm = 26.64cm

Do not forget to round, if that is in your homework instructions :-)!

4 0
3 years ago
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12) -6n – 20 = -2n +4(1 – 3n)<br> What’s the first step
EastWind [94]

Answer:

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Step-by-step explanation:

-6n - 20 = -2n + 4 (1-3n)

First distribute the 4 (1-3n)

-6n - 20 = -2n + 4 - 12n

Combine like terms on the right side

-6n - 20 = -14n + 4

Get 'n' on one side by adding -6n to both sides

-20 = -8n + 4

Subtract 4 to both sides

-24 = -8n

Divide -8 to both sides

3 = n

4 0
2 years ago
Emilio by 5.65 pounds of green grapes and 3.07 pounds of red grapes. He divided the grapes equally into 14 bags, each bag of gra
Mazyrski [523]

Answer:

5.65+3.07=8.72

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Each bag of gapes weight 0.545 pounds.

Step-by-step explanation:

8 0
3 years ago
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sammy [17]

Answer:

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Step-by-step explanation:

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2 years ago
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Levart [38]

Answer:

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Step-by-step explanation:

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

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y=-6x+18+2x

Combine like terms

y= -4x+18

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3 years ago
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