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Vesnalui [34]
3 years ago
10

Find the radius of a circle with an area of 615.75 square kilometers.

Mathematics
1 answer:
Mila [183]3 years ago
7 0
To work out radius use this

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The height of a model rocket is 4% of the height of the actual rocket. The model is 1.8 m high. How high is the actual rocket? (
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4% = 1.8m
1% = 0.45m
100% = 0.45 x 100 = 45m
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Factor the expression: 14x + 21y – 7z
lozanna [386]

Answer:

7 ( 2x + 3y - z)

Step-by-step explanation:

To factor this expression, you need to find the GCF, which is 7.

7 ( 2x + 3y - z)

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Dan made $5000 in taxable income last year.
storchak [24]

well, we know is 10% for the first 7500, but Dan only made 5000 of taxable income, so he's in that range of 0 - 7500, so he only gets to pay 10% of 5000.

\begin{array}{|c|ll} \cline{1-1} \textit{a\% of b}\\ \cline{1-1} \\ \left( \cfrac{a}{100} \right)\cdot b \\\\ \cline{1-1} \end{array}~\hspace{5em}\stackrel{\textit{10\% of 5000}}{\left( \cfrac{10}{100} \right)5000}\implies 500

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2 years ago
Which number is greater than 7.23 and less than 7.55? 7.59;7.17;7.6;7.3
Step2247 [10]
7.3 also written as 7.30
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3 years ago
The larger of two numbers is 7 times the smaller number. Three times the larger number is 7 more than 4 times the smaller number
V125BC [204]
X>Y
X=7Y
3X=7+4Y
X=?
Y=?
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3*7=7+4Y
21Y=7+4Y
21Y-4Y=7
17Y=7
Y=7/17
----------------------
X=7*7/17
X=49/17
6 0
3 years ago
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