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zheka24 [161]
2 years ago
13

What are two different ways you could find the value of a? Explain these methods.

Mathematics
1 answer:
tekilochka [14]2 years ago
7 0

Step-by-step explanation:

What are two different ways you could find the value of a? Explain these methods. A right triangle is shown. An altitude is drawn from the right angle to the opposite side to form 2 line segments with lengths 9 and 16. The length of the other 2 sides are 15 and a....done

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I need to know The value of f(1/2)
Lostsunrise [7]

\huge\boxed{\textsf{a.)}\ 10}

Substitute \frac{1}{2} for x.

f\left(\frac{1}{2}\right)=5\cdot4^\frac{1}{2}

Use a^\frac{m}{n}=\sqrt[n]{a^m}.

\begin{aligned}f\left(\frac{1}{2}\right)&=5\cdot\sqrt[2]{4^1}\\&=5\cdot\sqrt[2]{4}\\&=5\cdot2\\&=\boxed{10}\end{aligned}

7 0
1 year ago
1/x + 1/3x =6 how do you solve this equation for x
Elodia [21]

Answer:

x = 2/9 (or = 0.222)

Step-by-step explanation:

1/x + 1/(3x) =6  (multiply both sides by 3x)

(1/x) (3x)  + [1/(3x)](3x) =6 (3x)

3 + 1 = 18x

4 = 18x

x = 4/18

x = 2/9 (or = 0.222)

3 0
3 years ago
How does a graph show a proportional relationship?
wlad13 [49]
By using and X,Y grid starting at zero and then making its way to 1,4 for example showing that for every 1 X there are 4 Y's
3 0
3 years ago
Read 2 more answers
Write the equation from the graph in slope intercept form (y=mx+b).<br>10)<br>Y= -4×+3​
Ivanshal [37]

Answer:

This is already in slope-intercept form.

Step-by-step explanation:

slope= -4 and y intercept is 0,3

4 0
3 years ago
The graph of the function f(x)=−4(x−3)2+9 will be a parabola opening in which direction?
sesenic [268]

Answer:

downwards

Step-by-step explanation:

the equation of a parabola in vertex form is

f(x) = a(x - h)² + k

where (h, k ) are the coordinates of the vertex and a is a multiplier

• if a > 0 then parabola opens upwards

• if a < 0 then parabola opens downwards

for

f(x) = - 4(x - 3)² + 9 with a = - 4 < 0 , then

the parabola opens downwards

8 0
2 years ago
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