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3 years ago

What is the sum of 3 times a number and negative 4 is it greater than 17

2 answers:

4 0

3x + (-4) > 17
This can be written as
3x - 4 > 17
To solve add 4 to both sides.
3x > 21
Now divide by 3 on both sides.
x > 7

lubasha [3.4K]3 years ago

3 0

3x - 4 is your expression

it depends on what x equals to determine if it is greater than or less than 17

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Solving for x, please answer quickly D:

Tema [17]

We know, sum of all angles of a triangle is 180°.
Therefore, by the problem

72 + 64 + (4x+20) = 180

or, 156 + 4x = 180

or, 4x = 180 - 156

or, 4x = 24

or, x = 24 ÷ 4 = 6

<h3>Your answer is 6.</h3>

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3 years ago

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What is the sale price to the nearest cent? $239 television; 10% discount

miv72 [106K]

Answer:

The sale price will be: $215.10

Step-by-step explanation:

We know that:

Sale price = Regular price × (100% - Discount %)

= Regular price × (100% - 10%)

= 239 × 90%

= 239 × 0.9

= 215. 10 $

Therefore, the sale price will be: $215. 10

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3 years ago

there are 30 students in a math class of the 30 students 30% have an a in math 40% have a b in math how many students have a c i

stepladder [879]

the answer is 9

30 percent of 30 is 9

40 percent of 30 is 12

12+9 =21

30-21 =9

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3 years ago

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Step-by-step explanation:

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Find M of angle ABC

pochemuha

Answer:

Step-by-step explanation:

$\sf Answer \begin{cases}\sf \rightarrowtail \:( 3x - 6) + (2x + 25) + (x + 11) = 180 \\ \sf \rightarrowtail \: 3x - 6 + 2x + 25 + x + 11 = 180 \\ \sf \rightarrowtail \: 3x + 2x + x - 6 + 25 + 11 = 180 \\ \sf \rightarrowtail \: 6x + 30 = 180 \\ \sf \rightarrowtail \: 6x = 180 - 30 \\ \sf \rightarrowtail \: 6x = 150 \\ \sf \rightarrowtail \: x = \frac{150}{6} \\ \sf \rightarrowtail \: x = 25\end{cases}$

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3 years ago