3 years ago

-42,260 rational or irrational

Mathematics

1 answer:

sattari [20]3 years ago

8 0

-42,260 is a irrational number because it cannot be written as a complete simple fraction:) hope that helped

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What does y equal in this problem 5y-3(2-y)=10

Pepsi [2]

Steps:

5y - 6 + 3y = 10

8y = 10 + 6

y = 16/8

y = 2

Hope this helps! :)

3 0

3 years ago

-2x + 7<br> Coefficient(s) :<br> Variables(s):<br> Constant:

Serggg [28]

Answer:

Variable = x

Coefficient = 2

Constant = 7

A variable is an unknown that holds an unknown value.

A coefficient is a number that multiplies something.

A constant is a fixed number.

Hope This Helps :)

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3 years ago

Can someone help me out with these two problems having trouble please !!

eimsori [14]

Answer:

x=-10

x=-6

x=10

x=-3

Step-by-step explanation:

to find the zeros of a function you need to set it equal to zero:

x^2+16x+60=0

then you factor

(x+10)(x+6)=0

then you have to finish factoring/simplifying

x+10=0

-10

x=-10

x+6=0

-6

x=-6

and the same thing for number 2

x^2-7x-30=0

(x-10)(x-3)=0

x=10, x=3

3 0

2 years ago

Read 2 more answers

Two cards are chosen at random from a standard 52-card deck. What is the probability that they are either both hearts or both di

Delvig [45]

With or without replacement?

3 0

3 years ago

Read 2 more answers

For the following geometric sequence find the recursive formula: {-1, 3, -9, ...}.

vredina [299]

First term (a1) is -1

recursive formula goes like this

$a_n$ is the nth term
$a_{n-1}$ is the term before that

we normally have $a_n=f(a_{n-1})$

we see each term is multipying by -3 to get next one

so that would be
$a_n=-3*a_{n-1}$ where a1=-1

the 3rd option is correct except that it is the explicit formula

so answer is 2nd one

3 0

3 years ago