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expeople1 [14]
3 years ago
15

Which of these numbers is irrational? a)2.3 b)sqrt 3 c)sqrt 4 d)1/3

Mathematics
2 answers:
AveGali [126]3 years ago
8 0
B it is a surd and surds are irrational
german3 years ago
8 0
The square root of 3 (b). The reason why is because it cannot be shown as the ratio of two numbers.
You can find out more here: https://www.khanacademy.org/math/algebra/rational-and-irrational-numbers/alg-1-irrational-numbers/v/...
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Adam celebrated his eighteenth birthday with friends at a Chinese restaurant. The bill came to $287.69 without tax. The service
VARVARA [1.3K]

Answer:61.4

Step-by-step explanation:

8 0
3 years ago
if the vertex of a parabola is (-4,6) and another point on the curve is (-3,14), what is the coefficient of the squared expressi
Softa [21]

Answer:

8

Step-by-step explanation:

The equation of a parabola in vertex form is

y = a(x - h)² + k

where (h, k) are the coordinates of the vertex and a is a multiplier

Here (h, k) = (- 4, 6 ), thus

y = a(x + 4)² + 6

To find a substitute (- 3, 14) into the equation

14 = a(- 3 + 4)² + 6 ( subtract 6 from both sides )

8 = a

Thus the coefficient of the x² term is a = 8

3 0
3 years ago
Can someone please answer this, ill give you brainliest Would be very appreciated.
riadik2000 [5.3K]

Answer:

See below ~

Step-by-step explanation:

  1. More revenue would be generated at $5 than $17 because on the graph, when the price is at $5, there is about $3750 in revenue compared to when the price is $17, the revenue is $2500.
  2. The company should sell their product at $10. At this price, the revenue they will make is $5,000.
  3. The domain is the possible intervals in which x lies. Therefore, the domain is : 0 ≤ p ≤ 20.
3 0
2 years ago
Marie wants to buy fencing and sod for her new triangular flower bed. One of the legs of the garden is 7 ft longer than the othe
djyliett [7]

let's suppose x is the shortest leg of the triangle

The perimeter of the flower bed is 3x+8 ft

the surface to be coverd by sod would be x×(x+7)/2 sqft

(x+8)(x+8)=(x+7)^2+x^2

x'2+16x+64=x'2+14x+49+x^2

x^2-2x=15

x×(x-2)=15

x=5

(15+8)×$4.23=$97.29 for fencing

32.5sqft×$12.72=$413.4 for the sod

3 0
2 years ago
The table below shows the participation in the town soccer league during its first five seasons.
emmasim [6.3K]

Answer:

C.y=6.75x+81.25

Step-by-step explanation:

We are given that

In I year, number of participants=88

In V year, number of participants=115

We have to find the equation of the trend line that can be generated by using the data from years 1 and 5.

Rate of change of participants =\frac{change\;in;participants}{change\;in\;time}=\frac{115-88}{5-1}

Rate of change of participants,m=6.75

Point-slope form:y-y_1=m(x-x_1)

Where m=Rate of change of participants per year

x_1=5,y_1=115

By using the formula

Substitute the values then we get

y-115=6.75(x-5)

y-115=6.75x-33.75

y=6.75x-33.75+115

y=6.75x+81.25

Hence, option C is true.

8 0
3 years ago
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