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Tomtit [17]
3 years ago
10

If the value of a in the quadratic function f(x) = ax^2+bx+c is 1/2 the function will:

Mathematics
2 answers:
BabaBlast [244]3 years ago
6 0

lessen it data

and it will become a bigger eqaution

BARSIC [14]3 years ago
4 0

Answer:

open down and have a maximum

Step-by-step explanation:

I took the quiz got it right

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Doughnuts at one shop cost £1.40 each.
eduard

Given parameters:

Cost of doughnut at one shop = £1.40

Unknown

Difference in the cost of doughnuts at the two shops = ?

To find the difference in the cost of doughnuts at the two shops, we must know the cost of doughnut at the second shop;

  Given that the cost of doughnut at the other shop is 20% more;

       = 1.20 x £1.4

       = £1.68

The difference in the cost of doughnuts  = £1.68 - £1.40 = £0.28

So the answer is £0.28

6 0
3 years ago
The expression(y{(to the power of 20}) (y{to the power of 5})2
Zepler [3.9K]

Answer:

The answer is 10

Step-by-step explanation:

8 0
2 years ago
Estimate the sum of the decimals below by rounding to the nearest whole
Tamiku [17]

Answer:

13

Step-by-step explanation:

to round to nearest whole number if its .5 or above you go up 1. If it's .4 or below you go down 1.

2.414=2

8.160=8

2.621=3

add

2+8+3=13

if you just added the decimals you would get: 13.195. (This shows you have a good estimate.)

7 0
2 years ago
A horse ran 800 m and 40 seconds 1200 meters in 60 seconds and 480 m in 24 seconds is a proportional relationship if so what is
SVETLANKA909090 [29]

Answer:

Step-by-step explanation:

Speed = distance travelled/time

A horse ran 800 m in 40 seconds. This means that the speed is

800/40 = 20 m/s

The horse ran 1200 m in 60 seconds. This means that the speed is

1200/60 = 20 m/s

The horse ran 1200 m in 60 seconds. This means that the speed is

480/24 = 20 m/s

Since the horse's rate or speed is the same at each scenario, it means that the relationship between the distance covered by the horse and the time taken is proportional.

Let k represent the constant of proportionality. The constant of proportionality is 20. It represents speed of the horse.

Let d represent the distance in meters.

Let t represent the time in seconds.

Therefore

d = 20t

7 0
3 years ago
What is the exact volume of this cylinder? 4in 8in
MAVERICK [17]

The volume of the cylinder is; 128π in3

Base area(πr^2)*height

Π = 3.14

Therefore; 3.14 * 4^2 * 8

3.14 * 128

= 401.92 in3


4 0
3 years ago
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