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BARSIC [14]
3 years ago
15

Calculate the sum of 12.7, 24.8, 4.1

Mathematics
1 answer:
erik [133]3 years ago
8 0
The answer to your question is 41.6
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HELPPPPPPPPPPPPPPPPPP PLEASEEEEEEEEE YOU ARE SAVING MY LIFE IF YOU HELP ME !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
Sladkaya [172]

Answer:

C. 8x - 16

D.  x^2 + 6x + 8

A. 2 (x + 3)

B. 7(2 - x)

C. -8x

D. 7x

Step-by-step explanation:

c.

To solve this problem, first, one must distribute, multiply every term inside the parenthesis by the term outside,

2(4x - 8)

=(2)(4x) + (2)(-8)

= 8x - 16

d.

To solve this problem, distribute, multiply every term inside one parenthesis by every term in the other, the combine like terms,

(x + 4)(x + 2)

= (x)(x) + (4)(x) + (2)(x) + (4)(2)

= x^2 + 4x + 2x + 8

= x^2 + 6x + 8

a.

Factor, write the given expression as the product of two expressions. Take out a common factor that both terms have,

2x + 6

= 2(x + 3)

b.

Factor this expression, take out a common factor, and rewrite the expression as the product of two other expressions,

14 - 7x

7(2 - x)

c.

Combine like terms,

2x - 10x

= -8x

d.

Combine like terms to solve this problem

3x + 4x

= 7x

4 0
3 years ago
John needs to paint one wall in his school. He knows that 1 can of paint covers an area of 24 square feet. John uses a meter sti
laila [671]
The complete question in the attached figure

step 1
find the area of the wall

[area of the wall]=[area of rectangle]+[area of triangle]
[area of the wall]=[3*2]+[3*1/2]----> 7.5 m²

1 m²-------> 10.7639 ft²

area of the wall------> 7.5*10.7639------> 80.73 ft²

we know that
1 can of paint covers an area of --------> 24 ft²
x---------------------------------------------> 80.73 ft²
x=80.73/24---------> x=3.36 can of paints

the answer is
T<span>he fewest number of cans is 4</span>

6 0
3 years ago
Suppose that the first team member in a 3-person relay race must run 2 1/4 laps, the second team member must run 1 1/2 laps, and
Kisachek [45]

You need to add up all 3 mixed numbers to find the total laps.

2 + 1/4 + 1 + 1/2 + 3 + 5/8 =

(2 + 1 + 3) + (1/4 + 1/2 + 5/8) =

6 + (2/8 + 4/8 + 5/8) =

6 + (11/8) =

6 + (1 + 3/8) =

7 3/8 laps


6 0
3 years ago
Read 2 more answers
Let tan(x)=2/5 What is the value of tan(π−x) ?
wolverine [178]

Answer:

tan(π−2/5)

decimal form -0.42

6 0
3 years ago
Read 2 more answers
Leila runs at 12 miles per hour. Find the number of miles she can travel if she runs for 1 1/2 hours.
mash [69]

Answer:

  • 18 miles

Step-by-step explanation:

Distance = speed * time

  • d = 12 *1 1/2 = 12*1.5 = 18
5 0
3 years ago
Read 2 more answers
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