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tia_tia [17]
3 years ago
14

Expand and simplify 5(3x+2)-2(4x-1)

Mathematics
2 answers:
Vanyuwa [196]3 years ago
7 0

Answer:

7  x  +  12

Step-by-step explanation:

Rama09 [41]3 years ago
4 0

Answer:

15x+10-8x+2

7x+12

Step-by-step explanation:

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I need help<br><br><br><br>30% of _____ is 60​
Nuetrik [128]

Answer:

200 is the answer

Step-by-step explanation:

keep in mind 3*2=6

So 30% is 0.3

0.3*200=60

5 0
3 years ago
How can you solve y=-2x+20 by substitution?
levacccp [35]

Answer:

subtract from both sides and then multiplying both sides

Step-by-step explanation:

how can you solve y = -2x + 25 by subtraction

8 0
3 years ago
Working alone and at a constant rate, Machine A takes 3 hours to create a widget. Machine B, working alone and at a constant rat
PilotLPTM [1.2K]

Answer:

Time required by Machine B to create a widget = 4 hours

Step-by-step explanation:

Time taken by Machine A ( T_{A} ) = 3 hours

Time taken by Machine B ( T_{B} )= x hours

Time taken by both machines by working together = 12 hours

The time required to both machines by  working together to finish a task is given by the formula = \frac{T_{A} {T_{B} } }{T_{A} + T_{B} }

Put the values in above formula we get

⇒ T =  \frac{3 x}{3 + x}

⇒ 12 =  \frac{3 x}{3 + x}

⇒ 36 + 12 x = 3 x

⇒ x = - 4 hours

This is the time required by Machine B to create a widget.

8 0
3 years ago
John has a bag of red and blue marbles. John chooses 2 marbles without replacing the first.
Arturiano [62]

Answer:

Step-by-step explanation:

5 0
2 years ago
-1xf(-8)-4xg(4) pls help
KATRIN_1 [288]

Answer:

8f-16g

Step-by-step explanation:

-1×f(-8) -4×g(4)

-1×-8f -4×4g

8f -16g

Hopes this helps

pls mark brainliest

3 0
1 year ago
Read 2 more answers
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