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Sveta_85 [38]
4 years ago
12

Find the variables. Some please help!!

Mathematics
1 answer:
tekilochka [14]4 years ago
7 0
Z = 100 because of corresponding angles.
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Combine the radicals <img src="https://tex.z-dn.net/?f=9%5Csqrt%7Bx%7D%20-3%5Csqrt%7Bx%7D%20%5C%5C" id="TexFormula1" title="9\sq
Anestetic [448]

The combination of the radicals 9√x - 3√x will be equal to 6√x.

<h3>What is a radical?</h3>

The radical is the symbol that is used to represent the root in the expression n√x.

The given radicals can be combined as shown below,

9√x - 3√x

Taking √x as the common term,

= √x(9-3)

= 6√x

Hence, the combination of the radicals 9√x - 3√x will be equal to 6√x.

Learn more about the Radical:

brainly.com/question/1369233

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8 0
2 years ago
How can alternative practices lead to a reduced impact on waterways?
Elenna [48]
<span> this is the best answer
D. Alternative practices can lead to a decrease in pollution, erosion, and damage to waterways</span>
6 0
4 years ago
Read 2 more answers
Graph the following piecewise function on a separate piece of graph paper and upload your graph below.
Alecsey [184]
ANSWER

To graph the function

f(x)=\left \{ {{x+4\:\:if\:\:-4\leq x

follow the steps below.

1. Find y- intercept by plugging in x=0.

x=0 is on the interval,  -4\leq x, so we substitute in to

f(x)=x+4

\Rightarrow f(0)=0+4

\Rightarrow f(0)=4

Hence the y-intercept is (0,4)

2. Find x-intercept by setting f(x)=0

This implies that

x+4=0, on -4\leq x

or

2x-1=0 on 3\leq x

We now solve for x on each interval,

x=-4, on -4\leq x

or

x=\frac{1}{2} on 3\leq x

But observe that

x=\frac{1}{2} does not belong to 3\leq x

This means it  can never be an intercept for this piece-wise function.

Hence our x-intercept is (-4,0)

3. Plotting the boundaries of the interval.

For f(x)=x+4 on  -4\leq x

f(-4)=-4+4

\Rightarrow f(-4)=0.

This point (-4,0) coincides with the x-intercept.

f(3)=3+4

f(3)=7

So we have the point (3,7). But note that x=3 does not belong to this interval so we plot this point as a hole.

For f(x)=2x-1 on 3\leq x

f(3)=2(3)-1

\Rightarrow f(3)=5

So we plot (3,5)

f(6)=2(6)-1

\Rightarrow f(6)=11

So we plot (6,11) also as a hole.

Plotting all these points we can now graph the function,

f(x)=\left \{ {{x+4\:\:if\:\:-4\leq x

See attachment for graph.

7 0
3 years ago
Read 2 more answers
Pls solve both and show ur answers :))
yawa3891 [41]
Number 3 is x=5 and number 4 is x=63
6 0
3 years ago
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Two hundred sixty students were surveyed on whether they prefer apple juice or orange juice. A table of relative frequencies is
damaskus [11]
This is a hard question because usually boys prefer apple juice
7 0
3 years ago
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