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arsen [322]
3 years ago
10

Write the percent as a fraction or mixed number in simplest form. 68% ==

Mathematics
2 answers:
Sever21 [200]3 years ago
6 0
.68/1 or 68/100 is the answer
ICE Princess25 [194]3 years ago
5 0
The answer is 5/8 hope I helped.
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PLZ HELP WITH THIS QUESTION!
Bad White [126]

Answer:

D

Step-by-step explanation:

Given the quadratic

d = - 16t² + 12t ← subtract d from both sides

- 16t² + 12t - d = 0 ← in standard form

with a = - 16, b = 12, c = - d

Use the quadratic formula to solve for t

t = ( - 12 ± \sqrt{12^2-(4(-16)(-d))}) / - 32

 = ( - 12 ± \sqrt{144-64d}) / - 32

 = ( - 12 ± \sqrt{16(9-4d)}) / - 32

 = ( - 12 ± 4\sqrt{9-4d}) / - 32

 = \frac{-12}{-32} ± \frac{4}{-32}\sqrt{9-4d}

 = \frac{3}{8} ± \frac{1}{8}\sqrt{9-4d}

 = \frac{3}{8} ± \frac{\sqrt{9-4d} }{8} → D

8 0
4 years ago
a line represented by y = 5x − 2 and a line perpendicular to it intersect at r(1, 3). what is the equation of the perpendicular
Snezhnost [94]
Y=ax+b, y=cx+d (a≠0, c≠0)
If the two line cross perpendicularly ⇔ ac= -1

So a tangent of the perpendicular line is "-(1/5)".

Then, the equation of the perpendicular line is y=-(1/5)x+a (a is <span> y-intercept</span>).

On the other hand, this equation pass r(1, 3), so 

3 = -(1/5) times 1 + a

∴ a=16 / 5 

Therefore, y=-(1/5)x+16 /5 is answer.

By the way, I'm Japanese so if you find some mistakes in my English, please let me know.


5 0
4 years ago
The graphs below have the same shape. what is the equation o the red graph?
maw [93]

So the equation of the red graph is already given to us: f(x) = x^2. I assume you meant the blue graph?

We can use the vertex form: y = a(x - h)^2+ k, where (h,k) is the vertex. (We can ignore a because a is 1 for this graph.) Remember that the vertex is the maximum or minimum of a parabola and the point that the line of symmetry passes through. For f(x) the vertex is (0,0).

The vertex for g(x) is at (-4, -2) on the coordinate plane. (4 left, 2 down)

Plug into the vertex form:

y = (x - (-4))^2 -2

The double negative becomes a positive, and then you're done:

y = (x + 4)^2-2

5 0
3 years ago
Read 2 more answers
Please help with this
Aneli [31]

Answer:

Step-by-step explanation:

For the first triangle

y=160

x= 111

For the second triangle

x= 53

y= 70

For the other question on the bottom

19.8

3 0
3 years ago
What's the answer for 2 and 3
Andrews [41]
2:16
2.5:20
3:24
4:32
5:40
1.5:12

3 0
4 years ago
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