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Gemiola [76]
3 years ago
8

5.8 rational or irrational?

Mathematics
2 answers:
Sunny_sXe [5.5K]3 years ago
7 0

Answer:

Yes,its Rational

Step-by-step explanation:

it is nothing but 58/10

Zinaida [17]3 years ago
4 0

Answer:

Rational number not irrational number

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if f(x)=2(x)^2+5sqrt(x+2), complete the follwoing statement ( round your answer to the nearest hundreth) : f(0)=_____
Maslowich

Answer:

f(0)=7.07

Step-by-step explanation:

We have the function f(x)=2(x)^2+5\sqrt{(x+2)}

In this case we want to find the value of f0)

To find f(0) you must replace the x in the function with the number 0 and solve as shown below

f(0)=2(0)^2+5\sqrt{(0+2)}

f(0)=0+5\sqrt{(0+2)}

f(0)=5\sqrt{(2)}

Therefore

f(0)=7.07

5 0
3 years ago
A Baker decorates 42 cupcakes in 30 minutes she decorates cupcakes at a constant rate how many cupcakes can the baker decorate p
Morgarella [4.7K]
The baker can decorate 
42/30,
which would mean 42 cupcakes in 30 minutes,
and then you would get
1.4 cupcakes per minute. 

Hope this helps and have a nice day:)
8 0
3 years ago
Read 2 more answers
Identify all factors of the expression 4x^2+17x-15
pickupchik [31]

Answer:

d and e

Step-by-step explanation:

To factor 4x² + 17x - 15

Consider the factors of the product of the coefficient of the x² term and the constant term which sum to give the coefficient of the x- term, that is

product = 4 × - 15 = - 60 and sum = + 17

The factors are + 20 and - 3

Use these factors to split the middle term

4x² + 20x - 3x - 15 ( factor by grouping the first/second and third/fourth terms )

= 4x(x + 5) - 3(x + 5) ( take out the common factor (x + 5) )

= (x + 5)(4x - 3) → d/e


6 0
3 years ago
Garcia wrote the equation y=-0.2x^2+5x-8 to model the path of a soccer ball. What is true about the expression -0.2x^2+5x-8?
shutvik [7]

Answer:

Step-by-step explanation:

A.  The leading coefficient is the number on the highest degree term.  We have a 2nd degree polynomial because of the power of 2 on the x.  That's what leads this polynomial off.  So the leading coefficient is the number stuck to that x-squared term.  Our leading coefficient is a -.2, not 5.  5 is the linear term.

B.  The constant is the number that doesn't have a variable stuck to it.  Our constant, then, is -8, not 2.

C.  The expression does in fact have 3 terms.  Each term is separated from the other terms by either a plus sign or a minus sign.  A polynomial with 3 terms is called a trinomial.

D.  The expression actually factors to x = 1.718... and x = 23.281...  Neither one of those is the factor given in the statement.  

The only one that is true is C.

7 0
3 years ago
Danielle needs to sell candy bars for a club fundraiser. She starts with 72 candy bars and begins selling at a constant rate of
DiKsa [7]
Alright I literally just took the test so anyways start at 0 go UP until you hit 72 and that is one point the second point is start from 0 and go to the RIGHT all the way until you hit 9 
Sorry for the late answer
5 0
3 years ago
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