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mojhsa [17]
3 years ago
12

Yesterday's afternoon temperature was 21 degrees Fahrenheit. It plunged overnight to -3 degrees Fahrenheit. How many degrees did

the temperature change?
A. 3 Degrees
B. 18 Degrees
C. 21 Degrees
D. 24 Degrees
Mathematics
2 answers:
aalyn [17]3 years ago
7 0

D. 24 Degrees

21-24=-3

morpeh [17]3 years ago
4 0

Answer:


Step-by-step explanation:

It may help you to think of this situation in this manner:

1.  The temperature drops 21 degrees from 21 degrees to zero degrees.

2.  The temp. then drops 3 degrees from zero to -3 degrees.

3.  The total change (which was a drop) was 21 + 3, or 24, degrees.

Summary:  from 21 degrees to -3 degrees is a change of 24 degrees.

More explicitly, that's a drop of 24 degrees.

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The graph represents this system of equations.
bonufazy [111]

Answer:

The answer to your question is (1, -2)

Step-by-step explanation:

See the graph below, in the graph, the solution is circled (1, -2). The solution is the point where the lines cross.

To check the answer, let's solve the system using algebra.

                                    y = 2x - 4

                                    y = 1 - 3x

                                  2x - 4 = 1 - 3x

                                  2x + 3x = 1 + 4

                                          5x = 5

                                            x = 5/5

                                            x = 1

Find y by substitution

                                   y = 2(1) - 4

                                   y = 2 - 4

                                   y = -2

Solution

                                    (1, -2)            

5 0
4 years ago
I need help aklllllllllllllllllfdp[;lgjfg
Katyanochek1 [597]

Answer:

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Step-by-step explanation:

3 0
3 years ago
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Someone please help with these and explain your answer for both!!! I will give brainliest if correct!!!
goldenfox [79]

Answer:

C

Step-by-step explanation:

We have congruent angles in the middle and 2 sides are congruent as well which makes (Angle-Side-Side) which doesn't work for congruent triangles.

3 0
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How to simplify 6 to the power of -1 over -8 to the power of 0
neonofarm [45]

Answer:

\frac{1}{6}

-8 to the power of 0 = 1

(Anything to the power of 0 = 1)

and 6 to the power of -1 = 1/6

( Any number to the power of a negative number will become a fraction)

Example.

5^{ - 3}  =  \frac{1}{5^{3} }

So is will be 1/6 over 1

Which gives you your final answer.

4 0
3 years ago
A marijuana survey included 1610 responses from a list of approximately 241,500,000 adults 10) in the U.S. from which every 150.
valentina_108 [34]

Answer:

the Fact that 1610 responses where gotten from the original population of

241 500 000 makes this a convenience sampling.

Step-by-step explanation:

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