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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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Combine like terms. y + 7 + 4(y + 3) =
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Answer:

5y+19

Step-by-step explanation:

should be the answer

8 0
3 years ago
The vertices of a triangle are A(0, 0), B(3, 8), and C(9, 0). What is the area of this triangle?
Harlamova29_29 [7]
Answer: 36 units squared.


Explanation:
Area of a traingle is given by,

| 0.5{x1(y2-y3) + x2(y3-y1) + x3(y1-y2)} |

Accepting the values of the coordinates in x's and y's,

x1 =0, y1=0

x2=3, y2=8

x3 =9, y3=0

= | 0.5 × (-72)|
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8 0
4 years ago
Read 2 more answers
Use the distributive property and combine like terms to simplify: u(v−10)
siniylev [52]

Answer:

uv - 10u

Step-by-step explanation:

To distribute a problem, you have to multiply what is on the outside of the parenthesis with what is on the inside.

u · v = uv

u · -10 = -10u

Combined, u(v - 10) = uv - 10u.

6 0
3 years ago
The acts in a talent competition consist of 4 instrumentalists, 10 singers, and 6 dancers. If the acts are ordered randomly, wha
Scorpion4ik [409]

Answer:

\frac{6}{20}  =  \frac{3}{10?}

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4 0
2 years ago
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G(x) = -3/2x-9, if G(x) = -48, find x
Svetlanka [38]

Answer:

x=26

Step-by-step explanation:

first rewrite the problem since u know that G(x)=-48

-48=-3/2x-9

second you want to add the 9 to -48 which gives u -39

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third you want to times the reciprocal so it would be

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u can cross out the negatives and turn them into a positive

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2/1 times 13/1

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26

6 0
3 years ago
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