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Igoryamba
3 years ago
12

-4x+ 8x2 – 2x3 + 5 this is algebra

Mathematics
2 answers:
Serggg [28]3 years ago
7 0

Answer:

-65

Step-by-step explanation:

use Khan academy it's very helpful

denis23 [38]3 years ago
7 0

Answer:

14x+5

Step-by-step explanation:

4x+8x2-2x3+5

⬇️Simplify (for example 8x x 2 = 16x)

4x+16x-6x+5

⬇️ Collect like terms (bold)

20x-6x+5

⬇️

14x+5

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umka2103 [35]

Answer:

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Step-by-step explanation:

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3 0
3 years ago
luis left home with $5.50 in his wallet. He spent 3.25 on drinks and $2.00 on a magazine. Later, his friend repaid him $3.50 tha
STatiana [176]

$3.75

Step-by-step explanation:

5.50-3.25-2.00+3.50

7 0
3 years ago
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Please help me! A soup can, shaped like a cylinder, has a diameter of 3.5 inches and a height of 5 inches. Each serving of soup
SpyIntel [72]

The cost for each serving of soup is $0.62

<u>Step-by-step explanation:</u>

Diameter =3.5 inches

Radius = 1.75 inches

Height = 5 inches

Each serving of soup = 15 cubic inches

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Volume of the can = π(1.75 x 1.75) 5

= (3.14) (3.0625) 5

= 48.08 cubic inches

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For 15 cubic inches of soup the coat will be,

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= $0.62

The cost for each serving of soup is $0.62

6 0
3 years ago
Each month for 7 months, Eve reads 3 books. How many more books does she need to read before she has read 30 books?
enot [183]
How many books has she read so far? She's been doing this for 7 months, so so far she's read:

7*3=21

how many does she still need to read?

30-21=9

so she needs to read 9 more books. With 3 books a month, this means:

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so she needs to read 9 more books, which will take her 3 months!
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3 years ago
What is 2x+7y=28 in slope intercept form
Artyom0805 [142]

Answer:

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3 years ago
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