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MissTica
3 years ago
14

2x+2+2x-17=180 what's x?

Mathematics
2 answers:
Morgarella [4.7K]3 years ago
8 0

Answer:

x=48.75

Step-by-step explanation:

2x+2+2x-17=180(<em>Group</em><em> </em><em>like</em><em> </em><em>terms</em><em>)</em>

<em>2</em><em>x</em><em>+</em><em>2</em><em>x</em><em>+</em><em>2</em><em>-</em><em>1</em><em>7</em><em>=</em><em>1</em><em>8</em><em>0</em>

<em>4</em><em>x</em><em>-</em><em>1</em><em>5</em><em>=</em><em>1</em><em>8</em><em>0</em><em>(</em>Add 15 on both sides<em>)</em>

<em>4</em><em>x</em><em>-</em><em>1</em><em>5</em><em>+</em><em>1</em><em>5</em><em>=</em><em>1</em><em>8</em><em>0</em><em>+</em><em>1</em><em>5</em>

<em>4</em><em>x</em><em>=</em><em>1</em><em>9</em><em>5</em><em>(</em><em>Divide</em><em> </em><em>both </em><em>sides</em><em> </em><em>by</em><em> </em><em>4</em><em> </em><em>to</em><em> </em><em>find </em><em>the </em><em>value</em><em> </em><em>of</em><em> </em><em>x</em><em>)</em>

<em>x</em><em>=</em><em>4</em><em>8</em><em>.</em><em>7</em><em>5</em>

Alik [6]3 years ago
3 0

Answer:

x= 48.75

Step-by-step explanation:

Add like terms

2x+2x and

2-17

4x-15=180

Now subtract -15 to both sides get x by itself

4x-15+15=180+15

4x=195

Now divide by four to each side to get x by itself again

4x/4 = 195/4

x=48.75

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Turkey dinner has to be zero as 0/? = 0 and it would be undefined if it was ?/0

Dinner plate would be 0 as ? * 0 * ? = 0

Radish is ?^2 cake as solving for radish will get that

Cake will be 4 as turkey is 0

Since cake is 4, radish is 16

Let’s plug them in to figure it out

0 / 4 = 0 ✅
16 * 0 * 4 = 0 ✅
4 = 16 / 4 ✅
4 / 4 = 0 + 1 ✅
0 + 16 * 4 = 64

Turkey = 0
Cake = 4
Radish = 16
Dinner plate = 0
? = 64
7 0
2 years ago
We went over this like 3 times. It sounds and looks like pure gibberish
kipiarov [429]

Answer:

3 pencils

Step-by-step explanation:

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pencil= 0.75

2(0.25)= cost of erasers

0.5 + p=2.75 (p=pencils)

-0.5         -0,5

p=2.25

divide 2.25 by 0.75

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3 years ago
Let f(t) give the number of liters of fuel oil burned in t days, and w(r) the liters burned in r weeks. Find a formula for w by
viktelen [127]

Answer:

7 f(t)

Step-by-step explanation:

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w(r) id the number of liters in r weeks. This is, in one week there are w(1) liters burned.

As in one week there are 7 days, we can replace the r, that is a week, by something that represents 7 days. As 1 day is represented by t, one week can be 7t (in other words r = 7t). So, we have that the liters burned in one week are:

w(r) = w[7f(t)]

So, we represented the liters in one week by it measure of days.

So, we can post that the number of liters burned in 7 days is the same as the number of liters burned 1 day multiplied by 7 times. So:

w (r) = w[7 f(t)] = 7 f(t)

Here we hace the w function represented in terms of t instead of r.

3 0
3 years ago
What percent of 18 is 4.5?
nikklg [1K]

\text{What percent of 18 is 4.5?}\\\\\text{Calculate what fraction of the number 18 is 4.5}\\\\\dfrac{4.5}{18}=\dfrac{45}{180}=\dfrac{1}{4}\\\\\text{Convert it to percent}\\\\\dfrac{1}{4}\cdot100\%=25\%\\\\Answer:\ \boxed{4.5\ is\ 25\%\ of\ 18}

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Answer:

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Step-by-step explanation:

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