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julia-pushkina [17]
3 years ago
15

Can someone plz help me with this

Mathematics
1 answer:
slava [35]3 years ago
8 0

Answer:

Step-by-step explanation:

2a. f(-3) = (-3)^2-4(-3)+6 = 9+12+6 = 27

2b. f(-2) = 3(-2)^2-(-2)^3 -2 +1 = 3(4) - (-8) -2 +1

= 12+8-1 = 19

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2.
scZoUnD [109]

Inversely proportional : it is relationship between two variables in which when one variable's value is increasing than other one is decreasing.

Situation A : The number of miles Rashid drives increases over a period of 5 hours.

→ in this situation both variable no. of miles and period of time are increasing. so it is not represent a inversely proportional relationship.

in next two situation , two variables are increasing with each other.

so we take last situation ↓

Situation : Robin has $100 to share evenly with his cousins at the fair. As the number of cousins who arrive increases, the amount that each person receives

decreases.

→ in this situation , both variable viz no. of cousins and amount they got is inversely proportional to each other. when no. of cousins are increasing than amount is decreasing. so this last one situation represent the inversely proportional relationship.

thanks ❤

4 0
3 years ago
Can anyone help me plz?
RUDIKE [14]

Answer:

The answer is 37

Step-by-step explanation:

8x8=64

9x3=27

64-27=37

8 0
2 years ago
I need some help with solving this problem 8d-5<6d+8
Lina20 [59]

Answer: d < 13/2

Step-by-step explanation:

Rearrange:

Rearrange the equation by subtracting what is to the right of the greater than sign from both sides of the inequality :

                    8*d-5-(6*d+8)<0  

Step by step solution :

Step  1  :

1.1    Divide both sides by  2  

     d-(13/2)  < 0

Solve Basic Inequality :

1.2      Add  13/2  to both sides

            d < 13/2

Inequality Plot :

1.3      Inequality plot for

        2.000 d  - 13.000  <  0

6 0
3 years ago
Tomas makes a balloon sculptures at a circus. In 180 minutes, he uses 253 balloons to make 36 identical balloon sculptures.
Kipish [7]
180\ minutes\ \ \ \rightarrow\ \ \ 252\ balloons\\\\1\ minute\ \ \ \rightarrow\ \ \ x\ balloons\\\\x\cdot 180=1\cdot 252\ \ \ \Rightarrow\ \ \ x= \frac{252}{180}= \frac{36\cdot7}{36\cdot5}  = \frac{7}{5} =1.4\\\\Ans.\ \ 1.4\ balloons\ per\ one\ minute.\\\\-----------------\\\\ 1\ minute\ \ \ \rightarrow\ \ \ 1.4\ balloons\\\\10\ minutes\ \ \ \rightarrow\ \ \ x\ balloons\\\\x\cdot 1=10\cdot1.4\\\\x=14\\\\Ans.\ \ 14\ balloons\ per\ 10\ minutes.
7 0
3 years ago
Given:
tekilochka [14]
Quadruple check is so cute and I love it soro much I love it solo much and
3 0
2 years ago
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