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r-ruslan [8.4K]

3 years ago

11

Which of the following graphs represents the solution set for 7(4x – 1 ) + 6x > –279? PLEASE HELP

1 answer:

Luda [366]3 years ago

3 0

First, solve the inequality:
$7(4x - 1 ) + 6x \ \textgreater \ -279\\
28x-7+6x\ \textgreater \ -279\\
34x\ \textgreater \ -272\\
x\ \textgreater \ -8$
Since x is <u>greater than</u> -8, you have the arrow point up the graph towards the positive side starting at -8.
Since it's greater than but not equal to -8, the circle is open.

Thus your graph is D.

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Help! I need a correct answer and explanation please! I will mark brainliest!

777dan777 [17]

Answer:

$1.61*10^{8} \\and\\3.3*10^{-7}$

Step-by-step explanation:

We can use properties of exponents to solve these equations. Remember that when multiplying exponents, we 'add' them.

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$(2.3*10^{1})(7*10^{6})= \\16.1*10^{7}=\\1.61 *10^{8}$

For the next question:

$(1.1*10^{-5})(3*10^{-2})=\\ 3.3*10^{-7}$

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6 0

4 years ago

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Use the distributive property to write an expression equivalent to 5 X (3+4)

Harman [31]

<span>5<span>(<span>3+4</span>)</span></span><span><span><span>
(5)</span><span>(7)</span></span></span><span>
So, 35 would be your answer.
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6 0

4 years ago

Use the distance formula to calculate the distance between the following two points:

Harrizon [31]

Answer:

d = 11 units if rounded to nearest whole number

Step-by-step explanation:

Distance formula:

d=√((x_2-x_1)²+(y_2-y_1)²)

Your ordered pairs (-1, 1) and (4, 11)

d=√((4-(-1))²+(11-1)²)

d=√((4+1))²+(10))²)

d=√((5)²+ 100)

d = √125

d = 11.18

d = 11 units if rounded to nearest whole number

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igor_vitrenko [27]

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Step-by-step explanation:

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