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Iteru [2.4K]
3 years ago
7

Solve for x. 4.2x + 0.8x = 5*

Mathematics
1 answer:
Andrei [34K]3 years ago
6 0

Answer:

x=1

Step-by-step explanation:

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Carmen is mailing packages. Each small package costs her $2.60 to send. Each large package costs her $3.40. How much will it cos
Fantom [35]

Answer:

By themselves $18.20, $13.60, and together $31.80

Step-by-step explanation:

$2.60 multiplied by 7 equals $18.20

$3.40 multiplied by 4 equals $13.60

Together this equals $31.80

6 0
2 years ago
Cylinder A has a radius of 1 m and a height of 4 m. Cylinder B has a radius of 2 m and a height of 4 m. What is the ratio of the
Svetlanka [38]

Note: The volume of a cylinder is:

radius² × π × height

First lets work out the volume of Cylinder A:

Volume = 1² × π × 4

             = 4π  m³

Now lets work out the volume of Cylinder B

Volume = 2² × π × 4

             = 16π  m³

__________________________________________

Now lets compare the volumes ( Cylinder A : Cylinder B)  :

4π : 16π

Lets simplify this by dividing both sides by 4π:

     4π : 16π            <em>( </em>÷ <em>4π)</em>

----> 1 : 4        

_____________________________________________________

Answer:

Option b) 1 : 4

8 0
3 years ago
There are 30 musicians in the carter school marching band. How many of them play brass instruments
JulijaS [17]
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Write the word sentence as an equation. Then solve.
gogolik [260]

Answer:

n-3 = -7

n = -4

Step-by-step explanation:

(Meeting character limit)

7 0
2 years ago
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You are dealt one card from a standard​ 52-card deck. find the probability of being dealt a spade and a diamond.
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0% chance. Spades and Diamonds are 2 different suits: you can't get both in 1 card.
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3 years ago
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