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seraphim [82]
3 years ago
6

The temperature at 8:00 am was (-8) degrees today. At 8:00 pm, the temperature was 3 degrees. What is the integer that represent

s the change in temperature from 8:00 am, to 8:00 pm? Please explain and thank you!!!
Mathematics
1 answer:
katrin2010 [14]3 years ago
5 0
The integer that represents the change in temperature from 8:00 am, to 8:00 pm would be 11. Change in temperature would mean the difference between T2 and T1 and this would be 3-(-8) = 11. Hope this answers the question. Have a nice day.
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V : 33= 7 : 11 what is the answer to this please
UkoKoshka [18]

The value of V illustrated in the ratio V : 33= 7 : 11 is 21.

<h3>What is a ratio?</h3>

It should be noted that a ratio is simply used to show the relationship between the variables and illustrate the comparison.

In this case, the value of V can be illustrated as:.

V/33 = 7/11

Cross multiply

11V = 33 × 7

V = (33 × 7) / 11

V = 21

Therefore, V is 21.

Learn more about ratio on:

brainly.com/question/2328454

#SPJ1

4 0
1 year ago
What is the solution of the system of equations
White raven [17]

Answer:

It the 3rd one it's correct cuz i worked it out

Can i have a brainliest please!!:)

Step-by-step explanation:

solve your system by substitution.

c+3d=8;c=4d−6

Rewrite equations:

c=4d−6;c+3d=8

Step: Solve c=4d−6for c:

c=4d−6

Step: Substitute4d−6forcinc+3d=8:

c+3d=8

4d−6+3d=8

7d−6=8(Simplify both sides of the equation)

7d−6+6=8+6(Add 6 to both sides)

7d=14

7d

7

=

14

7

(Divide both sides by 7)

d=2

Step: Substitute2fordinc=4d−6:

c=4d−6

c=(4)(2)−6

c=2(Simplify both sides of the equation)

Answer:

c=2 and d=2

 

6 0
3 years ago
Evaluate C_n.xP^xQn-x For the given n=7, x=2, p=1/2
r-ruslan [8.4K]

Answer:

The value of given expression is \frac{21}{128}.

Step-by-step explanation:

Given information: n=7, x=2, p=1/2

q=1-p=1-\frac{1}{2}=\frac{1}{2}

The given expression is

C(n,x)p^xq^{n-x}

It can be written as

^nC_xp^xq^{n-x}

Substitute n=7, x=2, p=1/2 and q=1/2 in the above formula.

^7C_2(\frac{1}{2})^2(\frac{1}{2})^{7-2}

\frac{7!}{2!(7-2)!}(\frac{1}{2})^2(\frac{1}{2})^{5}

\frac{7!}{2!5!}(\frac{1}{2})^{2+5}

\frac{7\times 6\times 5!}{2\times 5!}(\frac{1}{2})^{2+5}

21(\frac{1}{2})^{7}

\frac{21}{128}

Therefore the value of given expression is \frac{21}{128}.

7 0
3 years ago
During a promotional weekend, a clothing store gives a $50 gift card to every 75th person who enters the store. On Sunday, there
jeka57 [31]
<h2>Hello!</h2>

The answer is: 34 persons received the $50 gift card.

<h2>Why?</h2>

If we need to know how many many people received a $50 gift card over the two days (Sunday and Monday) we need to divide the total attendance by the number 75 because every 75 persons, there is a $50 gift card.

So, calculating we have:

TotalAttendance=SundayAttendance+MondayAttendance\\TotalAttendance=1030+1562=2592

Then, dividing the total attendance by 75 to know how many people received a $50 gift card over the two days, we have:

ReceivedGiftCards=\frac{2592}{75}=34.6

Hence, rounding to the nearest whole number, 34 persons received the $50 gift card.

Have a nice day!

4 0
3 years ago
What type of angle is CEB?
WITCHER [35]

Answer:

Obtuse

Step-by-step explanation:

CEB is and obtuse angle because it is wider than a right angle ( example: L )

3 0
3 years ago
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