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3 years ago

The sum of 3 fifteen and 4 twos

Mathematics

2 answers:

vfiekz [6]3 years ago

6 0

15*3+4*2=45+8=53
multiply 15 by 3 and 2 by 4 then add the answers!

Mademuasel [1]3 years ago

3 0

15 times 3 is 45 and 4 times 2 is 8 so the answer is 53

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Money deposited $8000 into an account 6 years ago. The account earned simple interest at a yearly rate. So far the total interes

matrenka [14]

Answer:

2.5%

Step-by-step explanation:

interest = principal * rate * time

1200 = 8000r6

1200 = 48000r

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Rate for account is 2.5%

4 0

3 years ago

2. Apples cost $0.99 per pound. Aaliyah has a

UkoKoshka [18]

Answer:

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Step-by-step explanation:

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2.64=0.99a

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4 years ago

How would I do part A. I showed my work but I'm slightly off

ahrayia [7]

$\bf \stackrel{\textit{perimeter of the rectangle}}{P_{rect}=2x+y}~\hfill \stackrel{\textit{area of the rectangle}}{A_{rect}=xy}
\\\\\\
\stackrel{\textit{perimeter of the semi-circle, with }r=\frac{y}{2}}{P_{semic}=\cfrac{\pi y}{2}}~\hfill \stackrel{\textit{area of the semi-circle with }r=\frac{y}{2}}{A_{semic}=\cfrac{\pi y^2}{8}}
\\\\[-0.35em]
\rule{34em}{0.25pt}$

$\bf \stackrel{\textit{perimeter of the enclosure}}{60=2x+y+\cfrac{\pi y}{2}}\implies \stackrel{\textit{multiplying by 2}}{120=4x+2y+\pi y}
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120-2y-\pi y=4x\implies \cfrac{120-2y-\pi y}{4}=x
\\\\[-0.35em]
\rule{34em}{0.25pt}$

$\bf \stackrel{\textit{area of the enclosure}}{A=xy+\cfrac{\pi y^2}{8}}\implies A=\left( \cfrac{120-2y-\pi y}{4} \right)y+\cfrac{\pi y^2}{8}
\\\\\\
A=\cfrac{120y-2y^2-\pi y^2}{4}+\cfrac{\pi y^2}{8}\implies A=\cfrac{240y-4y^2-2\pi y^2+\pi y^2}{8}
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A=\cfrac{240y-4y^2-\pi y^2}{8}\implies A=\cfrac{240y}{8}-\cfrac{4y^2}{8}-\cfrac{\pi y^2}{8}
\\\\[-0.35em]
\rule{34em}{0.25pt}\\\\
~\hfill A=30y-\cfrac{1}{2}y^2-\cfrac{1}{8}\pi y^2~\hfill$

5 0

4 years ago

Draw a visual model to solve 3/8 × 8/11

dimulka [17.4K]

Answer:

Step-by-step explanation:

(3/8)*(8/11)=(3*8)/(8*11)= 24/88=12/44=6/22=3/11

or you can symplify 8 and get 3/11 right away.

3 0

3 years ago

Write number in two other forms 40,000+1,000+300+70+8

tankabanditka [31]

1.) 35,000+6,000+65+13
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8 0

4 years ago