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snow_lady [41]
2 years ago
15

A poster is 3 feet long and 30 inches wide. What is the area, in feet, of the painting?

Mathematics
2 answers:
stealth61 [152]2 years ago
5 0

Answer:

7.5 feet

Step-by-step explanation:

Convert inches to feet

30 inches as feet would be 2.5 feet

Multiply

3×2.5=7.5

Andrei [34K]2 years ago
3 0

Answer:

90 feet

Step-by-step explanation:

30x3=90

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If an investor invests $24,000 into two bonds, one that pays 4% in simple interest, and the other paying 2% simple
Anettt [7]

Answers:

2% bond: $11000

4% bond: $13000

========================================================

Explanation:

x = amount invested in the 4% bond

y = amount invested in the 2% bond

Amounts are in dollars

The two amounts add to $24,000 so

x+y = 24000

y = -x+24000 is one equation to set up

0.04x = interest earned from the 4% bond

0.02y = interest earned from the 2% bond

0.04x+0.02y = total interest earned = $700

0.04x+0.02y = 700 is another equation to set up

------------

The system of equations is

\begin{cases}y = -x+24000\\0.04x+0.02y = 700\end{cases}

Apply substitution. Solve for x.

0.04x+0.02y = 700

0.04x+0.02(-x+24000) = 700

0.04x-0.02x+480 = 700

0.02x= 700-480

0.02x= 220

x= 220/(0.02)

x = 11000

Use this to find y

y = -x+24000

y = -11000+24000

y = 13000

8 0
2 years ago
36 gallons to 72 gallons
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7 0
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7 0
3 years ago
In the united state 13 out of every 20 cans are recycled. What percent of can are recycled
lyudmila [28]

Answer:

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Step-by-step explanation:

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8 0
3 years ago
Write an explicit rule for the geometric sequence (answers down below) :
den301095 [7]

Answer:

Correct answer is third from the top an = 27 · (1/3)∧(n-1)

Step-by-step explanation:

Given geometric sequence :  27, 9, 3, 1,....

First term a1= 27, second term a2= 9, third term a3= 3 etc...

Standard form of the n-th term is

an = a1 · q∧(n-1)

We will find quotient when we divide second term with first and third with second

q = a2/a1 = a3/a2 = 9/27 = 3/9 = 1/3

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God with you!!!

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3 years ago
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