PLEASE HURRY UP I WILL GIVE BRAINLIEST SHOW ALL OF YOUR WORK

Mathematics

1 answer:

choli [55]1 year ago

8 0

Answer:

Step-by-step explanation:

The first three surveys have similar results but the last one is significantly different from the others.

It indicates twice as greater number towards English and almost twice as smaller numbers against the Math and Science.

This is likely biased survey.

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The following graph describes function 1 and the equation below it describes function 2:

Tanya [424]

Function 1:
f(x) = -x² + 8(x-15)f(x) = -x² + 8x - 120
Function 2:
f(x) = -x² + 4x+1
Taking derivative will find the highest point of the parabola, since the slope of the parabola at its maximum is 0, and the derivative will allow us to find that.
Function 1 derivative: -2x + 8 ⇒ -2x + 8 = 0 ⇒ - 2x = -8 ⇒ x = -8/-2 = 4

Function 2 derivative: -2x+4 ⇒ -2x + 4 = 0 ⇒ -2x = -4 ⇒ x = -4/-2 ⇒ x= 2
Function 1: f(x) = -x² + 8x - 120 ; x = 4
f(4) = -4² + 8(4) - 120 = 16 + 32 - 120 = -72

Function 2: f(x) = -x² + 4x+1 ; x = 2
f(2) = -2² + 4(2) + 1 = 4 + 8 + 1 = 13

Function 2 has the larger maximum.

8 0

2 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

138 + ∠1 = 180

∠1 = 180 - 138

∠1 = 42°

FC // ED and FD is transversal

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

∠2 = 39°

In ΔFCD,

∠2 + ∠3 + ∠FCD = 180

39 + ∠3 + 90 = 180

129 +∠3 = 180

∠3 = 180- 129

∠3 = 51°

3 0

1 year ago

Simon ,Connor &Bobby are playing with baseball cards . Connor takes4/10 of the cards , and Simon takes 2/10 of the cards. Wh

Elina [12.6K]

4/10 would be left you would make it a whole fraction at 10/10 then minus 4/10 and minus 2/10 that leaves 4/10 of cards. Hope this helps you out.

4 0

2 years ago

Read 2 more answers

The volume (in cubic feet) of a room is represented by 12z3−27z12z3−27z. find expressions that could represent the remaining dim

ratelena [41]

The volume of a room = length * width * height
 =12z³-27z
And by the analysis:
 The volume = 12z³-27z
 = ( 3z ) ( 4z²-9 ) ⇒ by taking (3z) common
 = ( 3z )( 2z+3 )( 2z-3 ) ⇒ the difference between two squares

So the dimensions of the room will be 3z , 2z+3 , 2z-3
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I have attached tha problem