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4 years ago

Convert to Decimal Notation. 3 x 104 help a girl out ?

Mathematics

2 answers:

dem82 [27]4 years ago

6 0

The answer would be 30,000

yuradex [85]4 years ago

5 0

Assuming you meant 3 x 10^4 the answer would 30,000

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0. Kevin needs to buy shrubs for his yard. Six shrubs at the nursery cost $72.00. At the garden

Elanso [62]

Answer:

72÷6=12

so at the nursery it cost $12 per shrub

66÷6=11

so at the store it cost $11 per shrub

so if you buy 21 shrubs from the nursery it will cost: 12×21=$252

but if you buy 21 shrubs from the store it only cost: 11×21=$231

$252-$231=$21

7 0

3 years ago

Read 2 more answers

Peter plans to build a tree house in his back yard. He needs to know how many square feet of lumber he should buy for the floor.

11Alexandr11 [23.1K]

Answer:

20n

Step-by-step explanation:

Multiply square feet per person times the number of persons to find square feet.

The units analysis looks like this:

$\dfrac{\text{ft}^2}{\text{person}}\times \text{persons}=\text{ft}^2\\\\20\dfrac{\text{ft}^2}{\text{person}}\times n\,\text{persons}=20n\,\text{ft}^2$

4 0

3 years ago

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a gallon of milk contains 16 cups A pint of milk contains 2 cups . how many times. many cups are in a gallon than in a pint

Serggg [28]

There are 16 cups in a gallon and 8 pints in a gallon

7 0

3 years ago

Lorena is buying school supplie. She buys 4 notebooks for $2.50 each, 10 pencils for $0.75 each, and 5 pens of equal price.

laila [671]

Answer:

The answer is $1.25

Step-by-step explanation:

She buys 4 notebooks for $2.50 dollars each.

Multiply 2.50 times 4 then you get $10.00

She buys pencils 10 for $0.75 each.

Multiply 10 times 0.75 and you will get $7.50

Then you add $10.00 + $7.50 which will give you $17.50.

Subtract $17.50 from $23.75 which will give you $6.25.

You divide $6.25 by 5 which will give you $1.25.

5 0

4 years ago

On a certain hot summer's day, 659 people used the public swimming pool. The daily prices are $ 1.75 for children and $ 2.00 fo

valentinak56 [21]

351 children and 308 adults swam at the public pool.

Step-by-step explanation:

Let,

Children = x

Adults = y

Price per children = $1.75

Price per adult = $2.00

According to given statement;

x+y=659 Eqn 1

1.75x+2y=1230.25 Eqn 2

$Multiplying\ Eqn\ 1\ by\ 2\\2(x+y=659)\\2x+2y=1318 \ \ \ Eqn\ 3\\Subtracting\ Eqn\ 2\ from\ Eqn\ 3\\(2x+2y)-(1.75x+2y)=1318-1230.25\\2x+2y-1.75x-2y=87.75\\0.25x=87.75\\Dividing\ both\ sides\ by\ 0.25\\\frac{0.25x}{0.25}=\frac{87.75}{0.25}\\x=351\\Putting\ value\ of\ x\ in\ Eqn\ 1\\351+y=659\\Subtracting\ 351\ from\ both\ sides\\351-351+y=659-351\\y=308$

351 children and 308 adults swam at the public pool.

Keywords: Linear equations, Division

Learn more about linear equations at:

#LearnwithBrainly

8 0

3 years ago