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4 years ago

9

GEOMETRY HELP WILL MARK BRAINLIEST

2 answers:

alex41 [277]4 years ago

5 0

Z=70
x=6
hope this help

bekas [8.4K]4 years ago

4 0

Answer:

z = 70

x = 6

Step-by-step explanation:

Z and 70 are vertical angles so they are equal

z = 70

12x+38 and 70 are supplementary angles so they form a straight line

This means they add to 180 degrees

12x+38 + 70 = 180

Combine like terms

12x+108 = 180

Subtract 108 from each side

12x+108-108= 180-108

12x = 72

Divide each side by 12

12x/12 = 72/12

x = 6

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Find the 7th term in the sequence <br> 2,8,32,128

Anuta_ua [19.1K]

Answer:

8192

Step-by-step explanation:

The pattern here is that each term multiplied by 4 is the next number. You can keep multiplying by 4 until you reach the 7th term. So the 5th term will be 128x4 = 512. The 6th term will the 512x4 = 2048. And finally, the 7th term will be 2048x4 = 8192.

3 0

3 years ago

Calculate the average rate of change of function on the interval (a,a+h). simplify your expression.Show all steps.

sammy [17]

Answer:

Please check the explanation.

Step-by-step explanation:

Given the function

$f\left(x\right)=\frac{3x+2}{2x-1}$

at x₁ = a,

$f\left(x_1\right)=f\left(a\right)=\frac{3a+2}{2a-1}$

at x₂ = a+h,

$f\left(x_2\right)=f\left(a+h\right)=\frac{3\left(a+h\right)+2}{2\left(a+h\right)-1}$

Using the formula to determine the average rate of change

Average rate = [f(x₂) - f(x₁)] / [ x₂ - x₁]

$=\:\frac{\frac{3\left(a+h\right)+2}{2\left(a+h\right)-1}-\frac{3a+2}{2a-1}}{a+h-a}\:\:\:\:\:\:\:$

as a+h-a = h, so

$=\frac{\frac{3\left(h+a\right)+2}{2\left(h+a\right)-1}-\frac{3a+2}{2a-1}}{h}$

Thus, the everarge rate of chnage: $\frac{\frac{3\left(h+a\right)+2}{2\left(h+a\right)-1}-\frac{3a+2}{2a-1}}{h}$

We can further simplify such as:

$=\frac{\frac{3\left(h+a\right)+2}{2\left(h+a\right)-1}-\frac{3a+2}{2a-1}}{h}$

$=\frac{-\frac{7h}{\left(2a-1\right)\left(2\left(h+a\right)-1\right)}}{h}$

$=-\frac{\frac{7h}{\left(2a-1\right)\left(2\left(h+a\right)-1\right)}}{h}$

$=-\frac{7h}{\left(2a-1\right)\left(2\left(h+a\right)-1\right)h}$

Cancel the common factor h

$=-\frac{7}{\left(2a-1\right)\left(2\left(h+a\right)-1\right)}$

6 0

3 years ago

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nasty-shy [4]

Answer:

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3 0

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lukranit [14]

=3.5:17
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3 0

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8 0

3 years ago

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