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konstantin123 [22]
2 years ago
6

Pls help I’m stuck on this question and I can’t figure it out! Will give brainliest!

Mathematics
2 answers:
vladimir1956 [14]2 years ago
7 0

Answer:

A, C, and D.

Step-by-step explanation:

the other answer is not correct because i pressed on this to help you because  my teacher actally just tought me that and so she just tought us (my class)

about this and she used this question for an example and she used that other answer and asked which ones where correct and i said A, C, And D.

and guess what? i got it correct! so trust me, you gotta do A, C, and D. i hope that helps you and please mark me brainlist have a nice day.

andrey2020 [161]2 years ago
5 0

Answer:

A, C, and D

Step-by-step explanation:

Parent function of y = x will be all linear equations that have the x variable with the exponent equal to one.

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Can someone plz help me solved this problem I need help plz help me! Will mark you as brainiest!
I am Lyosha [343]

Answer:

13 l of 15%, 13 l of 25%, 26 l of 70%

Step-by-step explanation:

solutions:

  • 15%, 25% and 70%

final solution:

  • 52 l of 45%

This includes 0.45*52l= 23.4 l acid

Let's assume:

  • amount of 15% solution= x
  • amount of 25% solution= y
  • amount of 70% solution= z
  • and we have z=2y

so there are 2 equation:

  • x+y+z=52
  • 0.15x+0.25y+0.7z=23.4

or

  • x+y+2y= 52 ⇒ x+3y= 52 ⇒ x= 52- 3y
  • 0.15x+0.25y+1.4y=23.4
  • 0.15x+1.65y=23.4
  • 0.15*(52-3y)+1.65y=23.4
  • 7.8-0.45y+1.65y=23.4
  • 1.2y=23.4-7.8
  • 1.2y= 15.6
  • y=15.6/1.2
  • y= 13 l

--------

  • x= 52- 3*13= 13 l
  • z= 2y= 2*13= 26 l
6 0
3 years ago
Please please help thank you
Tcecarenko [31]

Answer:

b-4^3

Step-by-step explanation:

7 0
3 years ago
Diane must choose a number between 61 and 107 that is a multiple of 4,7, and 14 . Write all the numbers that she could choose.
Gwar [14]

Answer:

84

Step-by-step explanation:

only three number are a multiple of 14

14 * 5 = 70

14 * 6 = 84

14 * 7 = 98

neither 70 nor 98 is a multiple of 4

only 84 is a multiple of 4, 7 and 14

7 0
3 years ago
Find the inverse function of h(x)=-2/3x+6
storchak [24]

Answer:

-3/2 (x - 6)

Step-by-step explanation:

7 0
3 years ago
Find the factors and zeros of 6x^2 +8x-28=2x^2 + 4
Mice21 [21]

Answer:

First solve the equation:

6x^2 + 8x -28 = 2x^2 + 4

=> 6x^2 - 2x^2 + 8x - 28 -4 = 0 => 4x^2 + 8x - 32 = 0

Extract common factor 4:

=> 4[x^2 + 2x - 8] = 0

Now factor the polynomial:

4(x + 4) (x - 2) = 0

=> the solutions are x + 4 = 0 => x = -4, and x - 2 = 0 => x = 2.

So the answer is the option B: 4(x + 4)(x - 2); {-4, 2}

HOPE THIS HELPS! :D

4 0
2 years ago
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