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3 years ago

X: -2(x + 3) = -2(x + 1) - 4. ( 1 point)

Mathematics

2 answers:

masya89 [10]3 years ago

8 0

Answer:

This is true for all x

Step-by-step explanation:

-2(x + 3) = -2(x + 1) - 4

Distribute

-2x-6 = -2x-2 -4

Combine like terms

-2x-6 = -2x-6

Add 2x to each side

-2x+2x-6 = -2x+2x-6

-6 = -6

This is always true so there are infinite values

This is true for all x

ollegr [7]3 years ago

4 0

Answer:

x=0

Hope this helps :3

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When lava is expelled from a volcano, it temperature may vary from 700 degrees Celsius to 1200 degrees Celsius. Write an absolut

ValentinkaMS [17]

Answer:

Ix - 950°C I ≤ 250°C

Step-by-step explanation:

We are told that the temperature may vary from 700 degrees Celsius to 1200 degrees Celsius.

And that this temperature is x.

This means that the minimum value of x is 700°C while maximum of x is 1200 °C

Let's find the average of the two temperature limits given:

x_avg = (700 + 1200)/2 =

x_avg = 1900/2

x_avg = 950 °C

Now let's find the distance between the average and either maximum or minimum.

d_avg = (1200 - 700)/2

d_avg = 500/2

d_avg = 250°C.

Now absolute value equation will be in the form of;

Ix - x_avgI ≤ d_avg

Thus;

Ix - 950°C I ≤ 250°C

3 0

3 years ago

2 Do the following calculations

maw [93]

Answer:

a) 93,2255

b)38

c)false

d)18

e)false

4 0

3 years ago

Simplify the following. Answer should still have a radical. the square root of 162

grigory [225]

Answer:

$9\sqrt{2}$

Step-by-step explanation:

$\sqrt{162} = \sqrt{81*2} = \sqrt{81} *\sqrt{2} = 9\sqrt{2}$

3 0

3 years ago

Read 2 more answers

(b) Ali uses 11% of his $2345 to buy a television.

Fiesta28 [93]

Answer:

$257.95

Step-by-step explanation:

8 0

3 years ago

Can someone please help me

Ainat [17]

Answer:

Step-by-step explanation:

If the two triangles are similar, then corresponding sides must share a constant ratio. This means that:

$\dfrac{10}{6}=\dfrac{25}{15}=\dfrac{x}{12}$

Let's use the second ratio:

$\dfrac{25}{15}=\dfrac{x}{12}$

Multiply both sides by 12:

$\dfrac{25\cdot 12}{15}=x \\\\x=20$

Hope this helps!

5 0

3 years ago