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Marizza181 [45]
3 years ago
12

7)) Brainliest and 10+ points!

Mathematics
2 answers:
strojnjashka [21]3 years ago
4 0
Divide by 2, then subtract 4
lara [203]3 years ago
3 0

Answer:

Divide by 2

Then subtract 4

Step-by-step explanation:

Let y = 2(x+4)

Exchange x and y

x = 2(y+4)

We want to solve for y

Divide each side by 2

x/2  = y+4

Then subtract 4 from each side

x/2 -4 =y

The inverse is x/2 -4

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a blue whale weighs about 300,000 pounds, and a great white shark weighs about 4,000 pounds. how many times the weight of a grea
Tanya [424]
300,000 / 4,000 = 75

so the weight of the blue whale is 75 times bigger then the weight of the shark
3 0
3 years ago
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Can someone plz help me with this!!!
mario62 [17]

Answer:

11.5

Step-by-step explanation:

-1*-11.5=11.5

5 0
3 years ago
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If the length of a rectangular yard is represented by w+4 and the width by 2w+5, write a simplified expression in terms of w tha
adell [148]

Answer:

P = 6w + 18

Step-by-step explanation:

A rectangle is a plane shape having a LENGTH and a WIDTH.

Length (l) = w + 4

Width (w) = 2w + 5

To write a simplified equation in terms of w to represent the total length, let's used the idea of a PERIMETER of a RECTANGLE.

Perimeter (P) = 2 ( l + b)

Where l = length= w + 4

Where b = width = 2w + 5

P = 2( w + 4 + 2w + 5)

P = 2( 3w + 9)

P = 6w + 18

6 0
4 years ago
7 2/15 + 5 2/3 +9 13/15
crimeas [40]

21+

15

2

+

3

2

+

15

13

LCD = 1515

21+

15

2

+

3×5

2×5

+

15

13

21+

15

2+10+13

21+1

15

10

22

15

10

15

10

3

2

22

3

2

done

the answer of this question is last one

4 0
2 years ago
Plz help me 25y−4+7−910y =
Elena-2011 [213]

Answer:

-885y+3

Step-by-step explanation:

3 0
3 years ago
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