3 years ago

Find the value of x using the geometric mean theorems.

Mathematics

1 answer:

Sergeeva-Olga [200]3 years ago

8 0

Answer:

Step-by-step explanation:

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Michelle tried to solve an equation step by step. \begin{aligned} t-\dfrac35&=\dfrac45\\\\ t-\dfrac35+\dfrac35&=\dfrac45

sashaice [31]

Answer:

Step 2

Step-by-step explanation:

Michelle's step in trying to solve the equation is given below:

$\begin{aligned} t-\dfrac35&=\dfrac45\\\\ t-\dfrac35+\dfrac35&=\dfrac45+\dfrac35&\green{\text{Step } 1}\\\\ t&=1&\blue{\text{Step } 2} \end{aligned}$

Michelle made a mistake in Step 2.

The right hand side of Step 1: $\dfrac45+\dfrac35\neq 1$

Rather, the correct sum is:

$\dfrac45+\dfrac35=\dfrac75\\\\=1\dfrac25$

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4 years ago

A ramp with a constant incline is made to connect a driveway to a front door. At a point 4 feet from the driveway, the height of

Mashcka [7]

Answer:

3 inches up per foot across

Step-by-step explanation:

The rate of change:

( y2 - y1 ) / (x2 - x1) = ( 18 in - 12 in ) / ( 6 ft - 4 ft ) =

= 6 in / 2 ft = 3 in / 1 ft

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3 years ago

The table shows how the number of pepperoni

velikii [3]

I’ll try, hopefully I get it right

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3 years ago

What is an angle that is<br> supplementary to AEB?

Kipish [7]

Answer:

ceb

Step-by-step explanation:

they're both on the same line (AC) and add up to 180

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3 years ago

How many kilometres on the ground is represented by 9 cm on the map?

Aloiza [94]

Answer:

22500

Step-by-step explanation:

You have to multiply 9 by 25000.

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3 years ago