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3 years ago

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A semi-circle is connected to an isosceles triangle. The radius of the semi-circle is 2 inches, and the height of the triangle i

s 6 inches. Find the area of the composite figure. My kid needs help with this.

1 answer:

NikAS [45]3 years ago

5 0

Answer:

Hi

Step-by-step explanation:

Is there like a multiple choice so I could answer it:)

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RideAnS [48]

Answer:

4.5 ft

Step-by-step explanation:

Given that the two fugures in the question above are similar, it means they have the same shape, even though they are if different sizes, the ratio of their corresponding sides are proportional. Thus,

18/x = 8/2

Let's solve for x as required.

We have,

18/x = 8/2

=>Cross multiply:

18 × 2 = 8 × x

36 = 8x

=>Divide both sides by 8

36/8 = x

4.5 = x

x = 4.5 ft

The first option is our answer = 4.5 ft

5 0

3 years ago

Find all zeros of function and write the polynomial as a product of linear factorsX^3-x^2+9x-9

mart [117]

Answer:

$\large\boxed{x=1\ \vee\ x=-3i\ \vee\ x=3i}$

Step-by-step explanation:

$\text{The zeros:}\\\\x^3-x^2+9x-9=0\\\\x^2(x-1)+9(x-1)=0\\\\(x-1)(x^2+9)=0\iff x-1=0\ \vee\ x^2+9=0\\\\x-1=0\qquad\text{add 1 to both sides}\\x-1+1=0+1\\\boxed{x=1}\\\\x^2+9=0\qquad\text{subtract 9 from both sides}\\x^2=-9$

8 0

3 years ago

What is the solution to the following system?<br> [x+y+z=6<br> x-y+Z=8<br> x+y-2-0

Inessa [10]

Answer:

144

Step-by-step explanation:

6 0

3 years ago

Read 2 more answers

tekilochka [14]

Answer:

$\frac{1}{20}$

Step-by-step explanation:

First, we need to look at the # of chips. There are a total of 25, 6 of which are blue.

This means that the chance of getting the first blue chip would be $\frac{6}{25}$

As there is no replacement, the total number of chips is 24 and there are only 5 blue left. This gives us the chance of $\frac{5}{24}$

Now all we need to do is mulitply these two and then simplify

$\frac{6}{25} *\frac{5}{24} =\frac{30}{600} =\frac{1}{20}$

6 0

2 years ago

Read 2 more answers

Consider the sequence: -7, -2, 3, 8…. What is f(7)?

wlad13 [49]

You are adding by 5 in the sequence.
If f(1) is -7
f(2) = -2
f(3)= 3
f(4)=8
f(5)=13
f(6)=18
Therefore, f(7)=23

5 0

2 years ago