The temperature is 8 degrees F. As a cold front moves in, the temperature drops 6 degrees F per hour. What is the temperature at the end of 3 hours

Answers

Answer 1

Answer:

Answer:

-10 Degrees

Step-by-step explanation:

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The product of a + 3 and –2a2 + 15a + 6 is –2a3 + xa2 + 51a + 18. What is the value of x?A=3
B=9
C=12
D=15

Answers

(A+3) x ( -2A2+15A+6) = (-2A3+XA2+51A+18)
(3+3) x ( -2*3*2+15*3+6) = (-2*3*3+X *3*2+51*3+18)
(6) x (-2*3*2=-12 + 15*3=45 +6 = 51
(6) x (-12 +51=39)
6 x 39 =( -2*3*3= -18)+ x *3*2+(51*3+18=171)
6 x 39 -18 + x*3*2+ 171
6 x 39 =234
234 -171=63
-18 + 5x=63
X = 13.5

-x-y=11
convert from standard form to slope intercept form

Answers

Answer:

y =-x-11

Step-by-step explanation:

Slope intercept form : y=mx+b

$-x-y=11\n\n-y =x +11$

Multiply by -1(reverse the inequality)

$-1(-y=x+11)\n\ny =-x-11$

Answer:

y = - x - 11

Step-by-step explanation:

-x-y=11

+x +x

-y=11+x

/- /-

y=-11-x

rearrange

y = - x - 11

Two friends, Bob and Ben, each buy one lottery ticket. Each ticket contains six numbers from a total of one hundred numbers (0–99). Bob chooses the numbers 1, 2, 3, 4, 5, 6, and Ben chooses the numbers 39, 45, 66, 72, 74, 89. Who has a higher probability of winning?

Answers

Answer: Both has equal probability of winning.

Step-by-step explanation:

It is given that Bob and Ben, each buy one lottery ticket.

Each ticket contains six numbers from a total of one hundred numbers (0–99).

Since, both the friends have bought same number of ticket with 6 numbers on each ticket.

Probability for choosing any numbers from (0-99) is same for all numbers from 0 to 99 i.e. $(1)/(100)$ .

Therefore, The probability of winning would be equal for both the friends.

Ben has the higher probability of winning. I don't know the mathematical explanation but its kinda just really obvious that when they do the lottery balls (what are those called idk) there is a very very very little chance of them calling out those numbers in order. just because, you know, THERE'S A LOT OF FLIPPING NUMBER COMBINATIONS WHY GO WITH A FUDGING SEQUENCE WHAT THE FRUIT BOB

Work out 25% of 20 metres

Answers

Answer:

5 meters

Step-by-step explanation:

We have to calculate 25% of 20 meters

So we rewrite the equation

25% × 20

$(25)/(100)$ × 20

0.25 × 20

= 5 meters

25% of 20 meters is 5 meters

Log11 1/121=-x-4 stupid math

Answers

$log_(11)121=-x-4\n\nlog_(11)11^2=-x-4\n\n2=-x-4\n\nx=-4-2\n\nx=-6$

$log_(11)(1)/(121)=-x-4\n \n log_(11)11^(-2)=-x-4\n \n 11^(-x-4)=11^(-2)\n \n -x-4=-2\n \n -x=-2+4\n \n -x=2\n \n \boxed{x=-2}$

Please please help me but make sure you give me the right answer :)

Answers

it is not representative of the whole school because you asked only peple at the gym
what if there happened to be 1 person at the gym,
therfor you conclude that 100% of people at school exercise?
rediculus

1. no, becuse yo only asked peple at gym who are probaly exercising or pretenitng to exercise or showing off

2. yes, at the doors of the school or the school cafeteria or where there is a mixed group of people, the more the better, if you can survey the entire school, great

3. that is an either or situation, also people don't like to be called a couch potato so theere will be some people who will lie and say they exercise every day and there will be some peple wo don't want to answer and there will be some who will think you are insulting them and punch you
you will have biased results since you changed the question to the extermes

1. No, the results will only represent how much exercise those people do. 2.A better location would be somewhere like a playground because everyone goes there. At a gym you will only talk to people who do exercise. 3. The results of you answer would be different because there is less of a range of answers. People who don't exercise every day would have to go with the second answer even if they exercised on like 5 days a week. Without those answers you could say that they exercised a lot.

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A student constructs the angle bisectors of a triangle and then uses their intersection point as the center of a circle. The student has constructed which of the following?A. Concentric circles of a triangle B. A circumscribed circle of a triangle C. An inscribed circle of a triangle D. The perpendicular bisector of the triangle

Select the equation that most accurately depicts the word problem. A class of 19 pupils has five more girls than boys. Let n = the number of boys. n + (n + 19) = 5 n + (n + 5) = 19 n - (n + 5) = 19 n + (n - 19) = 5