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Dominik [7]
3 years ago
9

Be What's the difference between the high and low temperature in the thermometer? Highest temperature 3°F and the lowest tempera

ture -9°F
Mathematics
2 answers:
Zigmanuir [339]3 years ago
8 0

Answer:

12°F

Step-by-step explanation:

Use highest temp. - lowest temp. = difference.

Substitute in values: 3 - (-9) = 3 + 9

                                              = 12

Musya8 [376]3 years ago
5 0

Answer:

12 is the difference

Step-by-step explanation:

it has a range of 12˚ F

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(3x) \times 3 - 2 = 1

(3x \times 3) - 2 = 1

9x - 2 = 1

Add sides 2

9x - 2 + 2 = 1 + 2

Simplification

9x = 3

Divide sides by 9

\frac{9x}{9}  =  \frac{3}{9}  \\

\frac{9}{9} x =  \frac{3}{9}  \\

x =  \frac{3}{3 \times 3}  \\

x =  \frac{1}{3}  \\

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2 years ago
Solve the equation x^3 + 2x^2 - 11x -12 = 0
vagabundo [1.1K]

Answer: there are 4 solutions

x = -2

x = -1/2 = -0.500

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x =(3+√5)/2= 2.618

Step-by-step explanation:

4 0
2 years ago
HELP !!
Mamont248 [21]

in my opinion C is the answer

6 0
3 years ago
Use the substitution method to solve the system of equations. Choose the
luda_lava [24]

Answer:

(2, 22 )

Step-by-step explanation:

Given the 2 equations

y = 7x + 8 → (1)

y = x + 20 → (2)

Substitute y = 7x + 8 into (2)

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6x + 8 = 20 ( subtract 8 from both sides )

6x = 12 ( divide both sides by 6 )

x = 2

Substitute x = 2 in (2) for corresponding value of y

y = x + 20 = 2 + 20 = 22

Solution is (2, 22 )

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Calculate each mountain path grade to the nearest .
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