From midnight to 2:00 am, the temperature dropped 1.25°C each hour. If the
temperature at 2:00 am was 5.5°C, what was the temperature at midnight?

Answers

Answer 1
3 degrees celsius because 2 hours after midnight is equal to 2.5 so you subtract 2.5 minutes 5.5

Related Questions

A committee consists of 8 men and 11 women. In how many ways can a subcommittee of 4 men and 7 women be chosen

Answers

Answer:

23100 ways

Step-by-step explanation:

We have 8 men and 11 women

Number of ways of choosing a subcommittee of 4 men and 7 women

8C4 x 11C7

8!/(8-4)!4! x 11!/(11-7)!7!

= 8!/4!4! x 11!/4!7!

= (40320/24*24) x (39916800/24x5040)

= (40320/576) x (39916800/120960)

=70 x 330

= 23100 ways

We can select a subcommittee of 4 men and 7 women in 23100 ways.

Find the ordered pairs for the x- and y-intercepts of the equation 3x − 2y = 18 and select the appropriate option below. (5 points)

The x-intercept is (3, 0); the y-intercept is (0, –2).
The x-intercept is (6, 0); the y-intercept is (0, –9).
The x-intercept is (0, 6); the y-intercept is (–9, 0).
The x-intercept is (0, 3); the y-intercept is (–2, 0).

Answers

Answer:

The correct answer is (second option):

The x-intercept is (6, 0); the y-intercept is (0, –9).

Step-by-step explanation:

Intercepts of a real function

Given a function y=f(x), the x-intercepts of f are those values of x that make y=0. The y-intercepts are those values of y that make x=0.

Our function is:

3x - 2y = 18

To find the x-intercept(s), we set y=0:

3x - 2(0) = 18

3x = 18

Solving:

x = 18 / 3 =6

The x-intercept is the point (6,0)

Now for the y-intercept(s), we set x=0:

3(0) - 2y = 18

-2y = 18

Solving:

y = 18 / (-2) = -9

The y-intercept is the point (0,-9)

The correct answer is (second option):

The x-intercept is (6, 0); the y-intercept is (0, –9).

The x-intercept is (6, 0); the y-intercept is (0, –9).

Arthur is building a rectangular sandbox for his son. The area of the sandbox is 17 square feet. If the length of the sandbox is 3 feet, what is the width of the sandbox?

Answers

Answer:

17/3 feet

Step-by-step explanation:

Area of a rectangle is length times width

The length is 3, so the width is area over length=17/3

Answer:

The answer is 5 1/4.

Step-by-step explanation:

You have to divide 17 23/32 from 3 3/8 to get 5 1/4. Hope this helps!

3 1/4 quarts in pints

Answers

6.5 pints.

3.25 x 2 = 6.5 (There are 2 pints in a quart)

write an inequality to represent the sentence. a number, x, is atleast 10 and at most 20​

Answers

Step-by-step explanation:

10<=x<=20

10 less than or equal to x , less than or equal to 20

Mr. Watson ran 8 miles in 48 mins. How many miles can he run in 60 mins?




I REALLY NEED HELP PLZ!!!

Answers

7.5 you just have to divide  60  by 8

Find the value of x.

Answers

Answer:plug in all the numbers and equal them to 180. The rest is just simple math

Step-by-step explanation:

A train is traveling at a constant speed and goes 7.5 kilometers in 6 mins. At that rate how far does the train go in 100 mins?

Answers

Answer:

125 kilometers

Step-by-step explanation:

7.5/6 = 1.25

1.25 x 100 = 125

20 POINTS AND BRAINLIEST!!!! PLEASE HELP!!!
Explain how the Distributive Property can be used to eliminate the fractions in the equation 15x+8=110x+9.

Answers

Answer:

x= -1/95

Step-by-step explanation:

Step 1: Subtract 110x from both sides.

15x+8−110x=110x+9−110x

−95x+8=9

Step 2: Subtract 8 from both sides.

−95x+8−8=9−8

−95x=1

Step 3: Divide both sides by -95.

−95x

−95

=

-1/95

x=

−1/95

Using distributive property the solution of the equation is x= −1/95

What is distributive property?

The distributive property states that an expression of the form A(B + C) can be solved by a multiplication over addition operation that is

A(B + C) = AB + AC

This property is known by distributive law and applies to subtraction also.

Given that the equation; 15x + 8 = 110x + 9.

Step 1: Subtract 110x from both sides.

15x + 8 − 110x = 110x + 9 − 110x

−95x + 8 = 9

Step 2: Subtract 8 from both sides;

−95x + 8 − 8 = 9 − 8

−95x = 1

Step 3: Divide both sides by -95;

x= −1/95

Hence, Using distributive property the solution of the equation is x= −1/95

Learn more about the distributive property here;

https://brainly.com/question/5637942

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What are the solutions of x squared + 6 x minus 6 = 10?
X= -11 or X= 1
X= -11 or X= -1
X= -8 or X= -2
X= -8 or X=2

Answers

Answer:

Step-by-step explanation:

i think the answer is the

X=(-8) or X=(-2)

if not then its the

X=(-8) or X=(2)

Answer:

X= -8 or X= 2

Step-by-step explanation:

Its D on edg.

How do I solve this can someone please help me as soon as possible thank you so much

Answers

It would just be the two functions added together:

4x^2 - 15 + (-4x - 7)
This would simplify to
4x^2 - 4x - 22

Which number has exactly 3 factors?
2-4-6-8

Answers

Answer:

4

Step-by-step explanation:

the factors are 1,2,4

The answer is 4

Factors:
2 - 1,2
4 - 1,2,4
6 - 1,2,3,6
8 - 1,2,4,8

The length of a side of a square is 3x plus 4 ft. If its a perimeter is 100 ft, what is the value of x?

Answers

Answer:

x=7

Step-by-step explanation:

4 (3x+4)= 100 ft (Perimeter = sum of all 4 sides)

12x + 16 =100 ft (Multiply length of one side by 4, which is number of side on a square)

12x = 84 (This is what is left after subtracting 16 form both sides of the equation making the equation still true)

x = 7 (84 divided by 7 to let X stand alone and get the value of x)

what is the equivalent decimal to 3/16

Answers

Answer:

0.1875 :)

Step-by-step explanation:

Answer:

3/16 = 0.1875

Step-by-step explanation:

(2 1/3 x+7)−( 2/3 x+5)

Answers

Answer:

=19/3x+2

Step-by-step explanation:

Sally consumed 2.5 gallons of water in one day. How many milliliters are equal to 2.5 gallons

Answers

Answer:

9463.53 milliliters

Step-by-step explanation:

Answer:

9,462.5 option c

Step-by-step explanation: I did this and got 100%

Five years from now peter age will be two plus three times his current age. Identify the equation representing this situation

Answers

Answer: 5=3x+2

Step-by-step explanation:

5=3x+2

5 years from now, he will be 3x+2 his current age

Mary can type 44 words in 2 mins. What would be equivalent to that
rate

Answers

Answer (there are different answers, but this is one of them):

22 words in 1 minute

Step-by-step explanation:

44 ÷ 2 = 222 ÷ 2 = 1Put them together: 22 words in 1 minute

I hope this helps!

On a farm there are 50 sheep and a farmer how many feet are there in total

Answers

Answer:

200 sheep legs and 2 farmer legs, or 202 legs in total.

Step-by-step explanation:

One sheep has 4 legs. and there are 50 sheep. So, we have to multiply 50*4 to get 200. Then, we have to add the two legs the farmer has. 200 + 2 = 202. Therefore, there are 202 legs on the farm.

2/21 into a decimal for pasted do work

Answers

Answer:

0.0952381

Step-by-step explanation:

you divide 21 from 2 (2/21)

Can you guys answer this quick please!
A line has a slope of zero.Which of the following points could this line pass through.
A.(12,9) and (12,6)
B.(3,-6) and (7,-6)
C.(1,4) and 2,5
D. -9,7 and 9,-7

Answers

Answer:

B. (3,-6) and (7,-6)

Step-by-step explanation:

because when the slope is zero the y's should be the saem, for it's a straight horizontal line.

Pick two sentences that use ratios to describe the number of eyes and legs in this picture.
"A hippopotamus with 2 eyes and 4 legs and a giant turtle with 2 eyes and 4 legs."


Group of answer choices
The ratio of legs to eyes is 8 to 4.
There are 2 legs for every eye.
There are 4 legs for every 4 eyes.
The ratio of eyes to legs is 8 : 4 .

Answers

Answer:

its d

Step-by-step explanation:

Which of the following is a continuous random variable?
a. The number of goals scored in a hockey game
b. The number of correct answers on a multiple-choice test
c. The heights of children in a preschool
d. The number of houses for sale in a city

Answers

Answer:

The correct answer is:

c) The heights of children in a preschool

Step-by-step explanation:

Continuous variables are variables that can take on any value in a measuring series and scale. There is no limit to the possibilities of the data in a continuous variable. In this example, the heights of children can take on an infinite number of values, it may be 0.5m, 0.43m, 0.33m, etc.

Discrete variables, on the other hand, are variables that are obtained by counting. There is a limit to the possibilities that the values in this category can take on. For example, when counting the number of goals in a hockey game, it can be 2 goals, 10 goals 20 goals, but you cannot count 15.5 goals or 22.2 goals, the number is a whole discrete number. Hence options a, b and d are discrete variables.

If the mean GPA among students is 3.25 with a standard deviation of 0.75, what is the probability that a random sample of 300 students will have a mean GPA greater than 3.30

Answers

Answer:

The value is  [tex]P(X > 3.30) = 0.12405[/tex]

Step-by-step explanation:

From the question we are told that

   The mean GPA is  [tex]\mu = 3.25[/tex]

   The standard deviation is [tex]\sigma = 0.75[/tex]

    The sample size is  n  =  300

Generally the standard error of mean is mathematically represented as

     [tex]\sigma_{\= x} = \frac{\sigma }{\sqrt{n} }[/tex]

=>   [tex]\sigma_{\= x} = \frac{0.75}{\sqrt{300} }[/tex]

=>   [tex]\sigma_{\= x} = 0.0433[/tex]

Generally the  probability that a random sample of 300 students will have a mean GPA greater than 3.30 is mathematically represented as

     [tex]P(X > 3.30) = P(\frac{X - \mu}{\sigma_{\= x}} > \frac{3.30 -3.25}{ 0.0433} )[/tex]

[tex]\frac{\= X -\mu}{\sigma }  =  Z (The  \ standardized \  value\  of  \ \= X )[/tex]

    [tex]P(X > 3.30) = P(Z> 1.155 )[/tex]

From the z table the probability of  (Z >  1.155 ) is

     [tex]P(Z> 1.155 ) = 0.12405[/tex]

   [tex]P(X > 3.30) = 0.12405[/tex]

3^2 x 5 ÷ 3
1. 16
2. 15
3. 20
4. 12

Answers

Answer:

Step-by-step explanation:

9 x 5 ÷ 3

= 45 ÷ 3

= 15

Answer:

2. 15

Step-by-step explanation:

It takes Andre 4 minutes to swim 5 laps How many minutes per lap is that?

Answers

Answer:

It takes him 1 minute and 25 seconds

Step-by-step explanation:

5 ÷ 4 = 1.25

The number of laps per minute is 1.25 laps.

Given that, time = 4 minutes and the number of laps = 5.

What is the unitary method?

The unitary method is a technique for solving a problem by first finding the value of a single unit, and then finding the necessary value by multiplying the single unit value.

Here,

Number of laps per minute = Total number of laps/Number of minutes

= 5/4

= 1.25 laps

Therefore, the number of laps per minute is 1.25 laps.

To learn more about the unitary method visit:

brainly.com/question/22056199.

#SPJ3

Find three consecutive odd integers such that the sum of the second and third is five less than three times the first.

Answers

11, 13 and 15. See attached for explanation

3x + 4y = –23
X=3y+1

Answers

3x+4y=−23.........(1)
x=3y+1 .........(2)
Putting (2) in (1)
3(3y + 1) + 4y = -23
9y + 3 + 4y = -23
9y + 4y = -23 - 3
13y = -26
y = -26/13
y = -2
Putting y into (2)
x=3y+1
x = 3(-2) + 1
x = -6 + 1
x = -5

-4(12 - 6b) = -12(b + 4)

Answers

Answer:

b=0

Step-by-step explanation:

-4(12 - 6b) = -12(b + 4)

-48 + 24b = -12b - 48

24b = -12b

b=0

Divide. Express your answer in simplest form.
2 1/2 divided by 2 1/6

Answers

Answer:

15/13

Step-by-step explanation:

Convert to improper fractions: 5/2 divided by 13/6

Multiply the first term by reciprocal: 5/2 * 6/13 = 30/26

Simplify: 30/26 can become 15/13

[tex] = 2 \frac{1}{2} \div 2 \frac{1}{6} [/tex]

[tex] = \frac{5}{2} \div \frac{13}{6} [/tex]

[tex] = \frac{5}{2} \times \frac{6}{13} [/tex]

[tex] = \frac{30}{26} [/tex]

[tex] = \frac{30 \div 2}{26 \div 2} [/tex]

[tex] = \frac{15}{13} [/tex]

[tex]\color{hotpink} = 1 \frac{2}{13} [/tex]

[tex]\therefore\color{olive}2 \frac{1}{2} \div 2 \frac{1}{6} = \color{hotpink} \frac{15}{13}\color{olive} (or) \color{hotpink}1\frac{2}{3} [/tex]

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