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3 years ago

11

Help please!!!!!!!!!!!

1 answer:

natita [175]3 years ago

6 0

3x-12 ≥7x+4
Subtract 3x from both sides
-12 ≥4x+4
Subtract 4 from both sides
-16 ≥4x
Divide each side by 4
-4 ≥x
From point 4, you use a closed circle and the arrow is facing towards 0

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Jim writes 10^4 words every day how many words does he writes in 10^3 days?

Alchen [17]

1,000 words

10^4=10,000
10^3=1,000

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3 years ago

Determine the intercepts of the line.<br> y = -2x-21<br> X-intercept:<br> y-intercept:

vfiekz [6]

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3 years ago

3^4 + 2 ⋅ 5 = ____. (Input only whole numbers.)

meriva

91

Follow the order of operations.

3^4 + 2 * 5

81 + 2 * 5 (Exponent)

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5 0

3 years ago

12x + 7 < -11 AND 5x – 8 > 40

statuscvo [17]

Answer:

$x$ and $x> 9\frac{3}{5}$

Step-by-step explanation:

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8 0

3 years ago

Explain how to solve 4^(x+3)=7 using the change of base formula log_by=log y/ log b. Round to the nearest thousandth

HACTEHA [7]

Answer:

x = -1.59

Step-by-step explanation:

We are here given a equation and we need to solve out for x. The given equation is ,

$\sf\longrightarrow 4^{( x +3)}= 7$

Take log to the base " e " on both sides , so that we can remove the variable from the exponent .

$\sf\longrightarrow log_e 4^{x+3}= log_e 7$

Simplify using the property of log , $\sf log a^m = m log a$ , we have ,

$\sf\longrightarrow (x + 3) ln 4 = ln 7$

Distribute by opening the brackets ,

$\sf\longrightarrow x ln 4 + 3 ln 4 = ln 7$

This can be written as ,

$\sf\longrightarrow x ln 4 = ln 7 - 3ln4$

Divide both sides by ln 4 ,

$\sf\longrightarrow x = \dfrac{ ln7}{ln 4 } - \dfrac{ 3ln4}{ln4}$

Simplify ,

$\sf\longrightarrow x = \dfrac{ ln4 }{ln7 } -3$

On simplifying , we will get ,

$\sf\longrightarrow \boxed{\blue{\sf x = -1.59 }}$

5 0

3 years ago