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JulijaS [17]
3 years ago
14

what is The temperature was 68°F. Later that day the temperature was 82°F. How much does the temperature need to rise or fall to

return to the original temperature of 68°F
Mathematics
2 answers:
patriot [66]3 years ago
7 0
The temperature needs to fall 14 degrees F.
Alenkasestr [34]3 years ago
7 0
 The temperature was 68°F. Later that day the temperature was 82°F. How much does the temperature need to rise or fall to return to the original temperature of 68°F?the answer is fall 14
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HELP PLSSSSS
ludmilkaskok [199]

Answer:

a=21

AB=23.9

BC=19.5

CD=(23.9)

AD=19.5

Step-by-step explanation:

Each pair of parallel sides are equal in a parallelogram. Sense both pairs use the same variable we can just choose the easiest to solve which would be:

a-1.5=19.5

add 1.5 to both sides

a=21

now substitute 21 in for a in each equation.

AB=CD so

AB=23.9

BC=AD so

BC=19.5

CD=(21)+2.9 so

CD=(23.9)

AD is given so

AD=19.5

4 0
2 years ago
It costs $4.50 per person for 2 people and $3.00 per person for 3 people to go on a horse carriage ride. Using c to represent th
Ilia_Sergeevich [38]

b

a and d should not be considered bc it is not logically correct. c is eliminated because that may not always be the case. therefore it should be b.

7 0
3 years ago
For what value of c is the relation a function? {(2.8). (12.3).(c.4), (-1.8). (0.3}}
raketka [301]

Answer:  B) 1

=======================================================

Explanation:

I'm assuming you were given the list of points to be

{(2,8). (12,3).(c,4), (-1,8). (0,3}}

the x coordinates of each point are: 2, 12, c, -1 and 0

If c is equal to any of the other x coordinates (2, 12, -1, or 0), then this will mean we have a repeated x coordinate. In turn, this leads to us not having a function.

---------

Consider the case that c = 2.

This means that (2,8) and (2,4) are two points in this relation. The input x = 2 leads to multiple outputs y = 8 and y = 4 at the same time. A function is not possible here. A function is only possible if we have any given input lead to exactly one output only. So this is why c = 2 is not possible if we want a function. The same goes for the other x coordinates mentioned.

All of this means we can rule out choices A, C, and D

Choice B means that c = 1 and this x coordinate hasn't been mentioned yet. So this could be a value of c that leads to a function. This is why choice B is the final answer.

3 0
2 years ago
you put $400 in an account. the account earns $18 simple intrest in 9 months. what is the anual interest rate?
meriva

Answer:

6%

Step-by-step explanation:

I = Prt, so r = I / (Pt)

t = 9 months / 12 months = 0.75

r = $18 / ($400 * 0.75) = 0.06, or 6%

7 0
3 years ago
Read 2 more answers
Trying to find volume of a right circular cone.
viva [34]

Volume of the cone is 117.5 π ft³

<u>Step-by-step explanation:</u>

Lateral area of the cone = πrs

s is the slant height = 15 ft

From the above formula, we can find the radius as, 5 ft.

Volume of the cone = π r² h/3

s = √ (5²+ h²)

Squaring on both sides, we will get,

s² = 15² = (5² + h²)

 15² - 5² = h²

225 - 25 = 200 = h²

h = √200 = 14.1 ft

Volume = π × 5² × 14.1  / 3 = 117.5 π ft³

8 0
3 years ago
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