3 years ago

Write the fraction or mixed number and the decimal shown by the model

Mathematics

1 answer:

OverLord2011 [107]3 years ago

3 0

Answer:

I would help you if you could show the model. :)

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Which number line represents the solution of 4x - 9 > - 21?

Aleks04 [339]

Answer:4x -9 >= -21

4x >= -12

x >= -12/4

x >= -3

so this number line started with -3 and go away till + infinity

hope this will help you

3 0

2 years ago

−2(3x−4)−x−3= \,\,33 33

notsponge [240]

Answer: $=-7x+5$

Step-by-step explanation:

$-2\left(3x-4\right)-x-3$

$=-\left(2\left(3x-4\right)+x+3\right)$

$=-\left(6x-8+x+3\right)$

$=-\left(7x-5\right)$

$=-7x+5$

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2 years ago

Write in lowest terms: 9/(15x)

liq [111]

Answer:

Step-by-step explanation:

3x - 25

———————

Should be something similar to that, sorry If i couldn't help much.

6 0

3 years ago

Work out m and c for the line: y−4x=−1

Eduardwww [97]

Step-by-step explanation:

y -4x = -1

y = 4x -1

then y = Mx + b

m = 4

b = -1

7 0

3 years ago

The temperature has been going down at a constant rate.In 4 hours it went down 12 degrees.Which expression best shows the temper

fomenos

Answer:

t = t₀ - 3n

Step-by-step explanation:

Let t be the temperature and t₀ be the initial temperature of the day

Let n be the number of hours after the initial temperature ( t₀) was registered

Let -3 be the constant of change of temperature ( In 4 hours it went down 12 degrees)

Now, let's write down the expression that shows the temperature change each hour, this way:

t = t₀ - 3n

After 2 hours

t = t₀ - 3 * 2 = t₀ - 6

After 5 hours

t = t₀ - 3 * 5 = t₀ - 15

After 3 hours and 30 minutes

t = t₀ - 3 * 3.5 = t₀ - 10.5

5 0

3 years ago