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koban [17]
3 years ago
13

wallpaper cost $2 per square yard how much would it cost to cover a rectangular wall that measures 15 feet by 21 feet

Mathematics
1 answer:
zlopas [31]3 years ago
6 0
The area of the wall is (15-ft x 21-ft) = 315 square feet

That's the easy part.  Now you have to figure out how many
<em>square yards</em> that is.

9 square feet = 1 square yard.

315 square feet = 315/9 = 35 square yards.

The cost of the wallpaper is (35) x ($2) = <u>$70</u> .
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igor_vitrenko [27]
I am bad at Common Core (I was good before, but not anymore) so I am saying none of the above
6 0
4 years ago
Sally agreed a compound interest of 5.5% for a fixed term. If she invested £800 to this agreement, then what was her total at th
Rom4ik [11]

Answer:

£1045.57

Step-by-step explanation:

Using compound interest formula then

A=P(1+i)^{n}

Where A= the future value of the investment/loan, including interest

P = the principal investment amount

r = the annual interest rate

n = the number of times that interest is compounded per unit t

A=800(1+0.055)^{5}\approx 1045.57

Hence her amount t the end of 5 yrs is $1045.57

3 0
3 years ago
The complement of an angle is three times the measurements of the angles find the measurements of the larger angle
CaHeK987 [17]

Answer:  

If we know that 2 angles are complements of each other, then they add up to 90 degrees. Knowing this, if we know that the complement of an angle X has an angle value that is 3 times greater, we can write that as such: X + 3X = 90 => 4X = 90. We solve for X to get: 22.5 degrees.

Step-by-step explanation:

3 0
3 years ago
You are working as a sales clerk in a fabric store and need to determine the price on some fabric. The fabric sells for $6.97 pe
Serhud [2]

Answer:

$6.09875 or $6.10

Step-by-step explanation:

We need to take 7/8 of the price ($6.97)

7/8 is .875

Then multiply .875 by $6.97 to get $6.09875, which we can round to $6.10

(If they were buying a full yard, we could test this way by doing 8/8, which is 1, and multiplying it by the price, which would give us the same thing).

Hope this helps

3 0
3 years ago
Jenna works in an ice cream shop. When she starts her shift the tub of chocolate ice cream is 23 full. When she finishes her shi
ipn [44]

Answer:

<em />Rate = 1.1/hr<em />

<em />

Step-by-step explanation:

Given

Start = 23

End = 16

Hours = 6\frac{1}{2}h

Required

Determine the hourly rate

First, we need to determine the ice cream sold

Ice\ Cream = 23 - 16

Ice\ Cream = 7

Next, we calculate the hourly rate:

Rate = Ice\ Cream/Hours

Rate = 7/6\frac{1}{2}h

Rate = 7/\frac{13}{2}h

Rate = 7*\frac{2}{13h}

Rate = \frac{14}{13h}

Rate = 1.07692307692/hr

<em />Rate = 1.1/hr<em> -- Approximated</em>

4 0
3 years ago
Read 2 more answers
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