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german
3 years ago
14

4(2a + 2) = 8(2 - 3a) whats A? please help me!!!!

Mathematics
1 answer:
Reptile [31]3 years ago
5 0

Answer:

a = \frac{3}{8}

Step-by-step explanation:

4(2a + 2) = 8(2 - 3a)

Distribute.

8a + 4 = 16 - 24a

Add 24a to each side.

32a + 4 = 16

Subtract 4 from each side.

32a = 12

Divide 32 from each side.

a = \frac{3}{8}

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Jackson's house and Bella's house are 234 miles apart. From Jackson's house to Mandy's house is 112 times as far. What is the di
larisa86 [58]

Answer:

235 x 112 = 26320

.

Step-by-step explanation:

Jackson Bella distance x

Jackson Mandy 112x

If it was twice as far you would double. But now itw 112 times as far. So multiply by 112.

7 0
3 years ago
Write the following equation in the general form Ax + By + c = 0. 1/2 y- 1/3 x-1=0
alexandr1967 [171]

Answer:

2x- 3y = - 6

Step-by-step explanation:

given \frac{1}{2} y - \frac{1}{3} x - 1 = 0

multiply all terms by 6 to eliminate the fractions

3y - 2x - 6 = 0 ( multiply all terms by - 1 )

- 3y + 2x + 6 = 0 ( subtract 6 from both sides )

2x - 3y = - 6 ← in standard form



7 0
3 years ago
HELP ME PLEASE I DON'T UNDERSTAND
Alex17521 [72]

Answer:

see below

Step-by-step explanation:

Input         2x+6               work           Output

0        2*0 +6                  0+6 =            6

1         2*1 +6                      2+6 =           8

2      2*2 +6                       4+6 =         10

8 0
4 years ago
A retangular athletic field is twice as long as it is wide. If the perimeter of the athletic field is 180 yards, what are its di
pishuonlain [190]
W= width
l= 2w= length

Perimeter of a Rectangle Formula
P= 2(l + w)
substitute 2w for l in equation

180= 2(2w + w)
multiply 2 by parentheses

180= 4w + 2w
combine like terms

180= 6w
divide both sides by 6

30 yards= w


LENGTH
2w= 2(30)= 60 yards

CHECK:
180= 30 + 60 + 30 + 60
180= 90 + 90
180= 180


ANSWER: the width is 30 yards and the length is 60 yards

Hope this helps! :)
5 0
3 years ago
-18x - 19 = -145 two-step equation
worty [1.4K]

Answer:

7 is the value of x.

Step-by-step explanation:

Now we have to,

find the required value of x.

→ -18x - 19 = -145

→ -18x = -145 + 19

→ -18x = -126

→ x = -126/-18

→ [ x = 7 ]

Hence, the value of x is 7.

4 0
2 years ago
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