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Lesechka [4]
3 years ago
15

It is given that y=ax²-3. Express a in terms of x and y.

Mathematics
1 answer:
Elena-2011 [213]3 years ago
7 0
A=(3+y)/x^2
Hope this helps
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A scale model of a building is 2 inches tall. If the building is 50 feet tall, find the scale of the model.
Vladimir79 [104]
Divide both by 2:

2/2= 1

50/2= 25

1:25 would be the ratio, or "A".

I hope this helped!
6 0
3 years ago
Shaq wants to buy a pair of sunglasses that is 35% off. The original price is $74. What is the amount of discount ( rounded to t
lakkis [162]
The discount is $25.90
but the sale price is $48.10
3 0
3 years ago
Read 2 more answers
What is the setting for "the three brass pennies"
lara [203]

Three brass pennies is the short story and the setting of this story is Ancient Chinese city.

<span>The theme of the story is about desires and happiness. It is not necessary that what we desire bring happiness in our lives. Sometimes we think and desire for something that may be it brings happiness but instead of happiness it causes trouble.</span>

7 0
3 years ago
The average of four numbers is 38, and the average of the first two numbers is 42, and the average of the last three numbers is
diamong [38]

Answer:

40

Step-by-step explanation:

let the numbers be a+b+c+d.

the average of 4 numbers is 38

; (a+b+c+d)/4 = 38

(a+b+c+d) = 152 ......equ1

the average of the first two numbers is 42

; (a+b)/2 = 42

(a+b) = 84 ...... equ2

the average of the last three numbers is 36

; (b+c+d)/3 = 36

(b+c+d) = 108 .....equ3

substitute equ3 into equ1

a + 108 = 152

a= 152 - 108

a = 44

input the value of a into equ2

44 + b = 84

b = 40

the second number is 40.

I hope this helps.

3 0
4 years ago
What is 3 to the 4th power.
Tju [1.3M]

Answer:

<u>81</u>

Step-by-step explanation:

3*3=9

9*3=27

27*3=81

brainliest?

8 0
3 years ago
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