3 years ago

What is the difference between 4x and x4? Evaluate both of these expressions when X=2

Mathematics

2 answers:

agasfer [191]3 years ago

8 0

X4 does not make sense... on the other hand, 4x= 8 since 4*2= 8

Bezzdna [24]3 years ago

7 0

There is no difference because 4•2 and 2•4 is the same you are going to get the same answer either way

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otez555 [7]

Answer:

243 m²

Step-by-step explanation:

Area of circle:

A = πr²

Circumference of circle:

C = 2πr

Given

C = 55 m

Find r using the second formula:

2πr = 55
2*3.14r = 55
r = 55/6.28
r = 8.8 (rounded)

Find area using the first formula:

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3 years ago

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olganol [36]

Answer:

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Step-by-step explanation:

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2 years ago

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anygoal [31]

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3 years ago

Suppose that a student has $150 in a band savings account at the start of the school year. Calculate the change in that savings

Roman55 [17]

150 12 x 10=120+150= 270

4 0

3 years ago

Can someone tell me how to do this? with steps?

MrRa [10]

Answer:

Step-by-step explanation:

In Δ AFB,

∠AFB + ∠ABF + ∠A = 180 {Angle sum property of triangle}

90 + 48 + ∠1 = 180

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∠1 = 180 - 138

∠1 = 42°

FC // ED and FD is transversal

So, ∠CFD ≅∠EDF {Alternate interior angles are congruent}

∠2 = 39°

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∠2 + ∠3 + ∠FCD = 180

39 + ∠3 + 90 = 180

129 +∠3 = 180

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3 0

2 years ago