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damaskus [11]
3 years ago
7

Como Resuelvo Esta Ecuacion Por Favor 8×-4×+6-12=25+3×

Mathematics
2 answers:
Hunter-Best [27]3 years ago
4 0
8 x - 4 x + 6 - 12 = 25 + 3 x

8 x - 4 x - 3 x = 25 - 6 + 12

4 x - 3 x = 19+12

x = 31

hope this helps! 


vivado [14]3 years ago
3 0
8x-4x+6-12=25+3x
x=31
I think this is right hope it helps 
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Can someone help will all the problems I will mark you the brainest!
lyudmila [28]

Answer:

1. C = 29.52 inches A = 69.63 square inches

2. C = 28.26 inches A = 63.59 square inches

3. Each side of the lawn is 13 yards.

4. 7 is a rational number (\frac{14}{2}), a whole number, and an integer.

5. x = 16

6. h = 12.4

Step-by-step explanation:

1.

π = 3.14

The formula for the circumference of a circle that uses radius is C = 2πr.

C = 2 × 3.14 × 4.7 --- plug in known info

C = 29.516 inches --- solve

C = 29.52 inches

The formula for the area of a circle that uses radius is A = πr².

A = 3.14 × 4.7² --- plug in known info

A = 3.14 × 22.09 --- solve

A = 69.3626 square inches --- solve

A = 69.63 square inches

2.

The formula for the circumference of a circle that uses diameter is C = πd.

C = 3.14 × 9 --- plug in known info

C = 28.26 inches --- solve

To solve for area with the diameter, divide it by 2 and use the radius area formula.

\frac{9}{2}

r = 4.5

A = πr²

A = 3.14 × 4.5² --- plug in known info

A = 3.14 × 20.25 --- solve

A = 63.585 square inches --- solve

A = 63.59 square inches

3.

Because the lawn is square, the length and width of the lawn are equal.

Let x = the length and width.

x × x = 169 --- l × w = area of rectangle

x² = 169 --- x × x is the same as x²

x = 13 --- square root both sides to get rid of square on x

Each side of the lawn is 13 yards.

4.

√49 = 7

Rational number: a number that can be expressed as a simple fraction of 2 integers, 7 = \frac{14}{2}

Irrational number: a number that cannot be expressed as a simple fraction of 2 integers, √2

Whole number: All natural numbers, including 0, up to infinity, 0, 1, 2, 3, 4, 5...

Integer: All whole numbers and their negative counterparts -4, -3, -2, -1, 0, 1, 2, 3, 4…

7 is a rational number (\frac{14}{2}), a whole number, and an integer.

5.

We can solve for x using the Pythagorean theorem: If a triangle is right, a² + b² = c².

12² + x² = 20² --- plug in known info

144 + x² = 400 --- solve

x² = 256 --- subtract 144 from both sides

x = 16 --- square root both sides

6.

Same as problem 5, we will use the Pythagorean theorem to solve.

3² + 12² = h² --- plug in known info

9 + 144 = h² --- solve

153 = h² --- solve

h = 12.36931688 --- square root both sides

h = 12.4 --- round to nearest 10th




6 0
3 years ago
HELP FAST NOW PLEASE IM HAVING TROUBLE!!
tia_tia [17]
First triangle=bxh/2
                  =3x4/2
                 =6in squared
rectangle=l x w
              =3 x 10
               =30in squared

trapezoid=3+5x2/2
                 =8in squared
                6 + 30 + 8
                   =44 in squared

7 0
3 years ago
Read 2 more answers
Mike has $600 in his bank account over the last five years the amount in his account has went down to $250 what integer represen
UkoKoshka [18]

600 ---> 250

600 - 250 = 350

350 / 5 = 70

Average decrease in value per year: $70

7 0
3 years ago
Find the 6th term of GP whose 1st term is 32 and 2nd term is 8
Oliga [24]

Answer:

c = 1/32

Step-by-step explanation:

32-x-x-x-x-x-x-x

32/4 = 8

so product 1/4 is the rule

32/4^5= 2^5/2^10

2^-5=1/32

3 0
2 years ago
Emma read the statement “the quotient of six and a number, x, is the same as negative two times the difference of x and 4.5.” Sh
Angelina_Jolie [31]
The answer will be 44- becaue im not smart
8 1
2 years ago
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