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Lemur [1.5K]
3 years ago
11

Pls help!!! 30 points

Mathematics
2 answers:
Maru [420]3 years ago
7 0

Answer:

D. 2.4x -4.4

Step-by-step explanation:

0.3(4x-8)-0.5(-2.4x+4)

1.2x-2.4-0.5(-2.4x+4)

1.2x-2.4+1.2x-2

2.4x-4.4

ikadub [295]3 years ago
6 0

Answer:

2.4x-4.4

Step-by-step explanation:

0.3(4x-8)-0.5(-2.4x+4)

1.2x-2.4+1.2x-2

2.4x-4.4

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HELP PLEASE I DON'T UNDERSTAND THIS
matrenka [14]

Answer:

the base of the window is 5.5 or 5 1/2 ft

Step-by-step explanation:

a = bh

h = b/a

25 2/3 divided by 4 2/3 is 5.5

or

5 1/2

dont forget to mark as brainliest !!

7 0
2 years ago
Read 2 more answers
I never really understood what this was could u help
ycow [4]

Answer:

1. f(4) or f(n)= 28

2. f(-2) or f(n)= -2

(please consider marking brainliest <3 )

Step-by-step explanation:

n=4                           n=-2

f(n)= 5(n)+8              f(n)= 5(n)+8

f(n)= 5(4)+8              f(n)= 5(-2)+8

(n)= 20+8                 f(n)= -10+8

f(n)=28                      f(n)=-2

5 0
3 years ago
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Write this ratio in its simplest form<br>5kg : 20g​
nalin [4]

Answer:

1kg : 4kg

Step-by-step explanation:

You need to simplify the current equation

5 : 20

Divide both sides by 5

5/5 : 20/5

1 : 4

1kg : 4kg

Hope this helps!

Plz name brainliest if possible!

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2 years ago
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A map has a scale of 3 cm: 18 km. If Riverside and Smithville are 54 km apart then how many cm is that on a map?
Sladkaya [172]

Answer:

9 cm

Step-by-step explanation:

If the scale is 3cm:18 km, then x cm : 54km will be the distance between Riverside and Smithville. Since 18 *3 = 54 then 3cm * 3 = 9cm. On the map they are 9 cm apart.


5 0
3 years ago
6y+2=-2(2y-1) help pls.
Viefleur [7K]

Answer:

y=0

Step-by-step explanation:

6y+2=-2(2y-1)

Distribute

6y+2 = -4y +2

Add 4y to each side

6y+2 = -4y +2+4y

6y +2 =2

Subtract 2 from each side

6y +2-2 = 2-2

6y = 0

y=0

4 0
2 years ago
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