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3 years ago

Who wants free brainly dont say ty or u no get nub

Mathematics

1 answer:

kkurt [141]3 years ago

5 0

Answer:

EEEEEEEEZ

Step-by-step explanation:

TYTYTYTYTYTYTYTYTYTYTYTYTYTYTYTYTYTYTYTYTYTYTYTYTY

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A container contains water at temperature 80 degree celcius. After every 10 minutes, the change in temperature is - 4 degree cel

lilavasa [31]

For this case, the first thing we must do is define variables.
We have then:
x: number of minutes
y: final temperature
We write then the equation that models the problem:
$y = (-4/10) x + 80
$
For y = 20 we have:
$20 = (-4/10) x + 80
$
Clearing x:
$(4/10) x = 80 - 20

x = (10/4) * 60

x = 150$
Answer:
The temperature of the water will be 20 degree celcius after 150 minutes

4 0

3 years ago

Please help I need it ASAP

Irina-Kira [14]

Y=2x-1

twenty characters

4 0

3 years ago

If p is true and q is false, then p ∨ q is true. <br> A. True<br> B. False

Marysya12 [62]

Answer:

no its false because p v q can only be true if both are true

Step-by-step explanation:

7 0

3 years ago

Consider the function f(x)=x3+15x2+74x+120. If f(x)=0 for x=−6, for what other values of x is the function equal to 0? List the

jasenka [17]

Answer:

other x values are -5,-4

Step-by-step explanation:

f(x)=0 for x=−6

Apply synthetic division to get the quotient . using that we find other two values of x

-6 1 15 74 120

0 -6 - 54 -120

-------------------------------------------------

1 9 20 0

the quotient is $x^2+9x+20=0$

now factor the left hand side, product is 20 and sum is 9

$x^2+9x+20=0\\(x+5)(x+4)=0\\x+5=0 , x=-5\\x+4=0, x=-4$

So other x values are -5,-4

8 0

3 years ago

A college committee consists of 3 freshmen, 4 sophomores, 5 juniors, and 2 seniors. A subcommittee of 4 consisting of 1 person f

dezoksy [38]

Answer:

120

Step-by-step explanation:

The subcommittee needs to contain 1 out of 3 freshmen, 1 out of 4 sophomores, 1 out of 5 juniors and 1 out of 2 seniors. Assuming order is not important, the number of possibilities to pick the subcommittee members is given by:

$N=5*4*3*2=120$

There are 120 possible subcommittees.

5 0

3 years ago