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3 years ago

2) When Angelina was born, her grandparents deposited $3000 into a college savings account

Mathematics

1 answer:

notsponge [240]3 years ago

5 0

Answer:

$4,200.00

Step-by-step explanation:

Given that the annual interest pay of $3,000.00 savings is 4%, at the end of the year interest will amount to $120.00. Assume that for 10 years, there is no additional or withdrawal to the savings of $3,000.00, the amount in your savings account at the end of the 10 years would be $4,200.00.

That of course is assuming no money is removed.

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The perimeter of a rectangle is 62 m. The length is four more than two times the width. What is the length?

Travka [436]

--------------------------------------------------
Define length and width
--------------------------------------------------
Let x be the width
width = x
Length = 2x + 4

--------------------------------------------------
Formula
--------------------------------------------------
Perimeter = 2(length + width)

--------------------------------------------------
Find Length and width
--------------------------------------------------
62 = 2(2x + 4 + x)
62 = 2(3x + 4) ← combine like terms 
62 = 6x + 8 ← remove bracket 
62 - 8 = 6x ← minus 8 on both sides 
6x = 54 ← swap sides 
x = 54 ÷ 6 ← divide by 6 on both sides
x = 9 m

--------------------------------------------------
Find Length and Width
--------------------------------------------------
Width = x = 9 m
Length = 2x + 4 = 2(9) + 4 = 22 m

--------------------------------------------------
Answer: Length = 22m
--------------------------------------------------

3 0

3 years ago

Read 2 more answers

A dairy needs 364 gallons of milk containing 6% butterfat. How many gallons each of milk containing 7% butterfat and milk contai

MaRussiya [10]

Answer:

Step-by-step explanation:

Let x be gallons of 7%

Let y be gallons of 3%

364 = x + y

y = 364 - x

364(0.06) = x(0.07) + y(0.03)

364(6) = x(7) + y(3)

364(6) = 7x + 3y

364(6) = 7x + 3(364 - x)

364(6 - 3) = 7x - 3x

364(3) = 4x

x = 273

y = 364 - 273 = 91

273 gallons of 7%

91 gallons of 3%

5 0

2 years ago

Math linear functions

Ivenika [448]

Answer:

60x-80

Step-by-step explanation:

per hour is x and the fee is negative 80

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4 years ago

Penelope drove 27 kilometers. Which expression finds the distance she drove in centimeters? Use the metric table to help answer

vovikov84 [41]

Answer:

Step-by-step explanation:

1km=1000 m

1 m=100 cm

1 km=1000×100=100000 cm

27 km=100000×27=2,7 00,000 cms

4 0

3 years ago

Read 2 more answers

How i can answer this question

denis-greek [22]

Answer:

4k+11

Step-by-step explanation:

There you go. Happy to help.

4 0

2 years ago