3 years ago

Plz help look at picture please

Mathematics

1 answer:

amm18123 years ago

4 0

John is 78 1/2 years old and his sister is 73 1/2 years old

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How long will it take 5000 to double in an account that pays 5.6% simple interest

Ganezh [65]

So... doubling 5000 is just 10,000, thus

$\bf \qquad \textit{Simple Interest Earned Amount}\\\\
A=P(1+rt)\qquad 
\begin{cases}
A=\textit{accumulated amount}\to &\$10,000\\
P=\textit{original amount deposited}\to& \$5,000\\
r=rate\to 5.6\%\to \frac{5.6}{100}\to &0.056\\
t=years
\end{cases}
\\\\\\
10000=5000(1+0.056t)\implies \cfrac{10000}{5000}=1+0.056t
\\\\\\
2=1+0.056t\implies 1=0.056t\implies \cfrac{1}{0.056}=t$

6 0

4 years ago

600 x 800...................................

Mashcka [7]

First do 6×8=48, then just add the 0's to the end to get 480,000

6 0

3 years ago

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A cake recipe requires 3 and 1/4 cups of flour for 13 servings and 4 and 1/2 cups of flour for 18 servings. How much flour is re

gregori [183]

So, each serving requires:

3 1/4 divided into 13:
$3\frac{1}{4} /13= \frac{13}{4} * \frac{1}{13} = \frac{1}{4}$

let's check from the second information:
4 2/4 divided into 18:
$4\frac{2}{4} /18= \frac{18}{4} * \frac{1}{18} = \frac{1}{4}$

so for 28, we need:

$\frac{1}{4} *28= \frac{28}{4} = \frac{14}{2} = 7$

we need 7 cups of flour!

6 0

4 years ago

HELPPPPP RNNN PLEASEEEE

Veseljchak [2.6K]

I will help if you mark me brainlyest

6 0

3 years ago

Helppppppppppppppppppp I’ll mark you brainlist don’t respond if you’re going to put something random I will report you :)

Savatey [412]

Y=5/2x-2
Count up 5 and 2 to the left and you bring at -2

8 0

3 years ago

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