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Amanda [17]
3 years ago
6

Ok just answer this and im gonna mark as brainliest

Mathematics
1 answer:
suter [353]3 years ago
3 0
Paperbacks and notebooks
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3 s (4 + 6) 2 is an example of
Ganezh [65]

Answer:

It's an example of an numerical expression

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3 years ago
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GET 35 POINTS! I need help with these 3 questions!!
mr_godi [17]
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3 years ago
At a local preschool, there is a ratio of 3 boys to every 4 girls. If there are 245 total preschoolers enrolled, then how many a
Reika [66]

Set up the equation by writing the number of students in the ratio as a fraction:

3/4= (245-x)/x Cross multiply:

3x= 4(245-x) Multiply on right:

3x= 980-4x Add 4x on both sides:

7x= 980 Divide both sides by 7:

x= 140 this is how many girls there are. And:

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3 years ago
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A sequence is defined by the formula f(n + 1) = f(n) – 3. If f(4) = 22, what is f(1)?
julsineya [31]

f(n) = f(n+1) +3

f(1) = f(2) +3

f(2) =f(3) +3

f(3) = f(4) +3

So f(1) = f(n) + 3* (n-1)

Put n=4 here so you found

f(1) = f(4) + 3* 3

= 22 +9

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                             hope it helps

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3 years ago
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15. Work out the<br> area of a<br> rectangle with<br> sides 3.4cm and<br> 4.5cm
pav-90 [236]

Area is length times width so

A = 4.5*3.4 which is 15.3.

The area of the rectangle is 15.3 cm

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2 years ago
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