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2 years ago

6

Last week, the price of apples at a grocery store was $1.06 per pound. This week, apples at the store are on sale at a 10% disco

unt. What is the total price of 4/1/2 pounds of apples this week at the grocery store?

1 answer:

olga2289 [7]2 years ago

4 0

Answer: $6.48

Step-by-step explanation:

1.60 * 0.1 = $0.16

1.60 - 0.16 = $1.44

1.44 * 4.5 = $6.48

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The length of a rectangle is represented by x+3 and the width by 2x-4. Write an expression for the area of this rectangle

madam [21]

Answer:

2x² +2x - 12

Step-by-step explanation:

area of rectangle = length X width

length = x+3

width = 2x - 4

Area = (x+3)(2x-4)

= x(2x-4) +3(2x-4)

= 2x² - 4x + 6x - 12

= 2x² +2x - 12

5 0

3 years ago

I need help with this.

Dovator [93]

Answer:

Hello first one is 4.

Second one is 8

Step-by-step explanation:

First one is f(0). It means you should put zero in the place of x

0 is less than 5 so you should put zero in x+4=f(x)

For the second one do like the first one.

I hope you understand

6 0

2 years ago

A certain forest covers an area of 2100 km^2. Suppose that each year this area decreases by 5.25%. What will the area be after 6

Neko [114]

Answer:

The area after 6 years is $1519.49km^2$

<em></em>

Step-by-step explanation:

Given

$a = 2100$ --- Initial Value

$r = 5.25\%$ --- Rate

Required

Determine the area after 6 years

Because the area reduces,, the following formula will be used to solve the question.

$y = a*(1 - r)^t$

Here

$t = 6$

So, we have:

$y = 2100*(1 - 5.25\%)^6$

Convert percentage to decimal

$y = 2100*(1 - 0.0525)^6$

$y = 2100*(0.9475)^6$

$y = 1519.47866516$

$y = 1519.49$ -- approximated

<em>The area after 6 years is </em> $1519.49km^2$ <em></em>

4 0

2 years ago

If 25% of a number p is 19, what is 15 of p

larisa86 [58]

Answer:

19.7%

Step-by-step explanation:

5 0

3 years ago

The scale on a map is 5.1 cm: 2 mi. Find the distance in miles between two cities that are

NemiM [27]

<u><em>Answer:</em></u>

They are 4.7miles apart

<u><em>Explanation:</em></u>

Cross-multiply & Divide,

$\frac{5.1cm}{2mi} *\frac{12cm}{x}$

Solve for x,

2 × 12 = 24

24 ÷ 5.1 = 4.7

8 0

3 years ago