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dimulka [17.4K]
3 years ago
13

1) 3x + 3 = x +5

Mathematics
1 answer:
denis23 [38]3 years ago
3 0
So #1 you're lazy like me. But

1: x=1
2. No solution
3: x= -4/-3
4: 46=13 false
5: 37=-37 false
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Kat owns 15% more figurines than she did last year. She purchased F figurines this year. Which of the following expressions coul
Stella [2.4K]

Answer:  F / 0.15 = 100F / 15 = 20F / 3 ≈ 6.67F.


Explanation:


1) The three expresssions,  F / 0.15;  15 F / 100; 3F / 20; are equivalent.


2) The number of figurines Kat owned last year may be expressed in terms of the number the of figurines purchased, F, this year, and the 15%, following this procedure:


  • Call n the amount of figurines owned last year.
  • F is the number of figurines purchased: F  = 15%n = 0,15n
  • Hence, you just need to clear F from the expression F = 0.15n
  • Divide both sides by 0.15:

        F / 0.15 = n or n = F / 0.15 (reflexive property)

  • To prove the equialavence of the other expresssions you just have to use the properties of multiplication or division:

       (F / 0.15) × (100 / 100) = 100F / 15

        100F / 15 = (100/5)F / (15/5) = 20F / 3 ≈ 6.67F

 



4 0
3 years ago
Read 2 more answers
H(n)=-2n(2)+4; Find h(4)
anygoal [31]

Answer:

h(4) = –12

Step-by-step explanation:

⇒ What the question is asking is that when the function h(n) = –2n(2) + 4 is h(4), what will the function repond to when solving for h(4)? So, solve for the function h(4):

h(4) = –2n(2) + 4

⇒ Since n was replaced with 4 in the function h(4), substitute any n for 4 into the function:

h(4) = –2(4)(2) + 4

⇒ Simplify:

h(4) = –16 + 4

⇒ Solve:

h(4) = –12

<u>Answer:</u> h(4) = –12

<em>I hope you understand and that this helps with your question! </em>:)

8 0
3 years ago
Can someone plz help with 5, 6 and 7
juin [17]

Answer:

750 people will come in at 15 hours.

Step-by-step explanation:

350 divided by 7=50       50 times 15=750

sorry i don't know  the rest

8 0
3 years ago
Read 2 more answers
The standard form of an absolute value function is f(x)-a|x-h|+k. Which of the following represents the vertex?
Len [333]

Answer:

(h, k )

Step-by-step explanation:

given the standard form of an absolute function

f(x) = a| x - h | + k , then

vertex = (h, k )

6 0
2 years ago
Yoo someone help asaapp!​
Zigmanuir [339]

Answer:

A  76

Step-by-step explanation:

7x+8+7x-2+5x+16+110=360

19x+132=360

19x=228

x=12

∠E=5(12)+16

    =76

4 0
3 years ago
Read 2 more answers
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