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Misha Larkins [42]
3 years ago
9

What is the equivalent expression of 5(y+2) +4

Mathematics
1 answer:
White raven [17]3 years ago
8 0
The answer to this is : 5y+14
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Christina uses a ruler to measure the length of the math book she says that the book is 4/10 m long is her measurement in simple
lidiya [134]

Answer:

  2/5 m or 4 dm

Step-by-step explanation:

The fraction 4/10 can be reduced by removing a factor of 2 from numerator and denominator. The length could be expressed as 2/5 m.

The metric system has unit prefixes that make it easy to choose appropriate units for almost any measurement. Apparently Christina wants to use 1/10 m as her unit of measurement. That length is also called a "decimeter." So, Christina's measurement could be expressed in very simple form as 4 dm.

_____

A decimeter is not a particularly common unit in everyday use, though it is reasonably useful for many purposes.* More conventionally, lengths in that range are expressed in centimeters, so Christina's measurement could also be described as 40 cm.

____

* I like units of decimeters for volume calculations, because a cubic decimeter is 1 liter.

3 0
3 years ago
What is the number "n" if 7 less than 4 times n is 9
kondor19780726 [428]
4n-7=9
4n= 9+7
4n= 16
n= 16/4

N= 4
8 0
3 years ago
Find the tangents of the acute angles in the right triangle
crimeas [40]

f=50

d=40

Hope this helps

8 0
4 years ago
Find the quadratic function that has the vertex (4,5) and passes through the point (8,21) If possible, can you explain the work?
Ganezh [65]
Start by looking at the vertex form of a quadratic function, f(x) = a(x - h)^2 + k. The variables h and k are the values of the vertex. Plug those in to get f(x) = a(x - 4)^2 + 5. To find the variable a, plug in the point given for the x and y values. So, you get (21) = a((8) - 4)^2 + 5. Solve for a algebraically, and you get a = 1. Finally, plug everything in and simplify the equation. You should get that the quadratic function is f(x) = x^2 - 8x + 21. Hope this helps!

8 0
4 years ago
Curtis decided to go on a road trip to Canada. On the first day of his trip, he drove for 13 hours and traveled 884 miles. At wh
liraira [26]

Miles per hour

884 per 13 hours


884/13 = 68 miles per hour

4 0
4 years ago
Read 2 more answers
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