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katovenus [111]
3 years ago
8

Which does not belong to the group?a) candleb) flashlightc) mirrord) sun​

Mathematics
2 answers:
Illusion [34]3 years ago
6 0
The mirror does not belong.
Alex_Xolod [135]3 years ago
6 0

\huge{ \mathrm{  \underline{ Answer} \:  \:  ✓ }}

The Correct Option is :

C. Mirror

Because Candle, Flashlight, and Sun are luminous objects, but Mirror isn't a luminous object.

_____________________________

\mathrm{ \#TeeNForeveR}

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30 points and brainliest!! HELP NOW
Natasha2012 [34]

Answer:

First question

a = 1 , h = 0 , k = 6 ⇒ third answer

Second question

y = 2x² + 4 ⇒ second answer

Third question

No of the choices correct ⇒ fourth answer

Step-by-step explanation:

First question

∵ f(x) = x² + 6

- It is a quadratic function with general form ax² + bx + c

- Its vertex is (h , k), where h = -b/2a and k = f(h)

∵ a = 1 , b = 0 , c = 6

∴ h = 0/2(1) = 0

∴ f(0) = 0² + 6 = 6

∴ a = 1 , h = 0 , k = 6 ⇒ third answer

Second question

- If the function f(x) translated vertically up  

 by k units, then the new function g(x) = f(x) + k

- If the function f(x) translated vertically down  

 by k units, then the new function g(x) = f(x) – k

∵ y = 2x²

∵ y is shifted 4 units up

∴ k = 4

∴ y + 4 = 2x² + 4

∴ y = 2x² + 4 ⇒ second answer

Third question

∵ y = -2x² + 3

- It is a quadratic equation with general form ax² + bx + c

- It represented graphically by parabola

- If a is positive the parabola opens upward

- If a is negative the parabola opens downward

∵ a = -2

∴ The parabola opens downward

∴ No of the choices correct ⇒ fourth answer

4 0
3 years ago
Mariah collects 3 spiders each spider has eight legs.Brian gives her 1more spider. how many legs do Mariah's spiders have altoge
kompoz [17]
Tem 32 pernas de aranha
6 0
3 years ago
Volume of a cube is 343 cm cube . find the edge​
Charra [1.4K]

Answer:

d

Step-by-step explanation:

d

6 0
3 years ago
Read 2 more answers
Vern bought 6 candles for $ 8.50 each he bought a holder for the candles for 12.75 what is the total amount Vern spent on the ca
Alexus [3.1K]
8.50x6=51
51+12.75=63.75

So he spent $63.75
3 0
3 years ago
Find the volume of a cylinder with height 6.3 m and diameter 4 m. Use pi = 3.14
telo118 [61]

volume \: of \: cylinder \:  = \pi  {r}^{2} h
diameter = 4m
radius = 4/2
= 2m

volume = (3.14)(2^2)(6.3)
= 79.128m^3
4 0
3 years ago
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