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Anvisha [2.4K]
3 years ago
8

Ricardo is buying supplies for the school store.He needs 650 pencils. At Store A, he can buy 250 pencils for 20 dollars. At B, h

e can buy 300 for 27 dollars. which is the better buy? how much would ricardo pay at a better price? Unpack the Problem: Make a Plan: Solution: Look Back and Explain:
Mathematics
1 answer:
bixtya [17]3 years ago
6 0

Answer:

Store A

Step-by-step explanation:

If you divide the amount of pencils needed by the amount in the packs, you can see how many packs you need. (But you have to round up because you can't buy half a pack)

So for Store A, it's 3 packs. That would total to $60

Store B also needs 3 packs, and that would be $81

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What aspect of a line of a linear equation does the slope affect? What does the y-intercept affect?
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3 years ago
Find the perimeter of the polygon. Round your answer to the nearest tenth.
dimulka [17.4K]

The perimeter of the polygon is 26.1 units.

To find the perimeter of the polygon.

<h3>What is polygon?</h3>

A polygon is a two-dimensional geometric figure that has a finite number of sides. The sides of a polygon are made of straight line segments connected to each other end to end. Thus, the line segments of a polygon are called sides or edges.

Given that:

Distance between points (x_{1} ,y_{1} ) , (x_{2} ,y_{2} )  is given by

\sqrt{(x_{2} -x_{1} )^{2}+(y_{2} -y_{1} )^{2}  }

As per the graph,

point Q is (2,0)

point R is (4,5)

point S is (8,7)

point T is (6,4)

point U is (10,3)

QR=\sqrt{(4 -2 )^{2}+(5 -0 )^{2}  }=\sqrt{4+25} =\sqrt{29}=5.38 units

RS=\sqrt{(8 -4 )^{2}+(7 -5 )^{2}  }=\sqrt{16+4} =\sqrt{20}=4.47 units

ST=\sqrt{(6 -8 )^{2}+(4 -7)^{2}  }=\sqrt{4+9} =\sqrt{13}=3.60 units

TU=\sqrt{(10 -6 )^{2}+(3 -4 )^{2}  }=\sqrt{16+1} =\sqrt{17}=4.12 units

QU=\sqrt{(10 -2 )^{2}+(3 -0 )^{2}  }=\sqrt{64+9} =\sqrt{73}=8.54 units

Perimeter refers to sum of lengths of all the sides.

Perimeter =5.38+4.47+3.60+4.12+8.54=26.1 units

So. the perimeter of the polygon is 26.1 units.

Learn more about polygon here:

brainly.com/question/28193374

#SPJ1

8 0
2 years ago
some students at a high school created a new school flag in the shape of an isosceles triangle points X and Y are located so tha
djyliett [7]

Answer:

180/7

Step-by-step explanation:

Comment if you want it, but it's very long.

3 0
3 years ago
Calculate the new balance of an account that has been sitting for three years with a 1.5% interest rate and had an initial depos
maksim [4K]

Answer:

$5225

Step-by-step explanation:

Use the formula for the amount after simple interest: A = P(1 + rt)

"A" is the final amount, or balance.

"P" is the principal, or the starting amount.

"r" is the rate of interest in decimal form.

"t" is the time.

What we know:

P = 5000

t = 3

r = 1.5%

Convert the rate to decimal form by dividing by 100, or moving the decimal place two places to the left.

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Substitute what we know into the formula:

A = P(1 + rt)

A = 5000(1 + (0.015)(3))     <=simplify

A = 5000(1 + 0.045)

A = 5000(1.045)

A = 5225     <= new balance

The new balance of an account is $5225.

4 0
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