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2 years ago

Fumi's backyard has an area of 10,359 Sq ft. write this in scientific notation

Mathematics

1 answer:

garik1379 [7]2 years ago

3 0

The answer is 1.0359 x 10^1 because it has to be between 10 and 1.

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All basketballs at a sporting goods store were marked down 25% during the first week of a sale. During the third week, all remai

QveST [7]

Answer:

selling price= $9.9

Step-by-step explanation:

Giving the following information:

During the third week, all remaining basketballs were marked down an additional 30%.

Original price= $22

To calculate the selling price in the third week, we need to use the following formula:

selling price= original price*(1 - markdown)

selling price= 22*(0.45)

selling price= $9.9

4 0

2 years ago

Deborah bought a yard of ribbon for $14.76. How much did Deborah pay per inch? (1 yard = 3 fee

natta225 [31]

Answer:

41 cents

Step-by-step explanation:

because their are 36 inches in 1 yard i divided 14.76 by 36 to get the amount she payed per inch.

8 0

2 years ago

Divide. Round your answer to the nearest hundredth. 0.719) 4,460

borishaifa [10]

Answer:

0.719 / 4.460 = 0.16

Step-by-step explanation:

4 0

2 years ago

Heather has divided $5400 between two investments, one paying 8%, the other paying 5%. if the return on her investment is $

Phantasy [73]

Answer:

$2500 at 8%.

$2900 st 5%.

Step-by-step explanation:

Let x be the amount invested at rate of 8% and y be the amount invested at the rate of 5%.

We have been given that Heather has divided $5400 between two investments. We can represent this information as:

$x+y=5400...(1)$

The return on her investment is $345.

Earnings from the investment at 8% will be 8% of x.

Earnings from the investment at 5% will be 5% of y.

$(\frac{8}{100})x+(\frac{5}{100})y=345...(2)$

$0.08x+0.05y=345...(2)$

We will use substitution method to solve our system of equations. From equation (1) we will get,

$x=5400-y$

Substituting this value in equation (2) we will get,

$0.08(5400-y)+0.05y=345$

$432-0.08y+0.05y=345$

$-0.08y+0.05y=345-432$

$-0.03y=-87$

$\frac{-0.03y}{-0.03}=\frac{-87}{-0.03}$

$y=2900$

Therefore, Heather has invested an amount of $2900 at 5%.

Let us substitute y=2900 in equation (1) to solve for x.

$x+2900=5400$

$x+2900-2900=5400-2900$

$x=2500$

Therefore, Heather has invested an amount of $2500 at 8%.

6 0

2 years ago

multiplying polynomials find the product (5n+6)(5n-5)

Viktor [21]

$(5n+6)(5n-5) =5n\cdot 5n -5n\cdot 5+6\cdot 5n-6\cdot 5=\\ \\=25n^2-25n+30n-30 =25n^2+5n-30$

3 0

2 years ago

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