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ludmilkaskok [199]
3 years ago
11

Multiplying - make sure your answer is in fraction form.

Mathematics
1 answer:
IceJOKER [234]3 years ago
6 0

Answer:

Multiplying - make sure your answer is in fraction form.

1.4 x 0.8 = 28/25

2.3 x 1.8 =207/50

2.37 x 1.2 =721/250

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The temperature at 6 pm was 0f. At 10 pm the temperature was -11.2f. Write an expression that you can use to find the average ch
Mariana [72]

Answer:

Average change in temperature is - 2.8 Fahrenheit per hour.

Step-by-step explanation:

Average change in temperature is the change in temperature divided by the time taken for the change.

Change in temperature = (-11.2) F- 0 F

                                       = -11.2 F

Time taken for the change in temperature = 10 pm - 6 pm

                                                                       = 4 hours

Average change in temperature = Change in temperature / time taken for the change

                                                      = \frac{-11.2}{4}

                                                      = - 2.8 Fahrenheit per hour

3 0
3 years ago
Which value must be added to the expression x2 – 3x to make it a perfect-square trinomial?
Vitek1552 [10]

Answer:

\frac{9}{4}

Step-by-step explanation:

Given

x² - 3x

To make the expression a perfect square

add ( half the coefficient of the x- term )²

x² + 2( - \frac{3}{2} )x + \frac{9}{4}, thus

x² - 3x + \frac{9}{4}

= (x - \frac{3}{2})² ← a perfect square

7 0
3 years ago
ILL GIVE BRAINLIEST!!!!!!!!!!!!!!
emmasim [6.3K]
Option B) A and C I think
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2 years ago
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What is 2197 divided by 20? Now, what is the answer in a mixed number?
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Lina20 [59]

Answer:

x=5

y=0

Step-by-step explanation: -7y + 16x - 80 = 0

x=5

-9y + 4x - 20 = 0

y=0

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3 years ago
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