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nirvana33 [79]
3 years ago
6

What is the answer to this problem?

Mathematics
2 answers:
Slav-nsk [51]3 years ago
6 0
The answer to your question is 0.6875
sveta [45]3 years ago
3 0
8.25/12 would be .68 
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5x + 5y = -5 when y = 1<br><br> solve for x in <br><br> 10 points .
san4es73 [151]

Step-by-step explanation:

5x + 5y = -5 , when y = 1

5x + 5.1 = -5

5x + 5 = -5

5x = -5 - 5

5x = -10

x = -10/5

x = -2

4 0
2 years ago
Find the circumference
notsponge [240]

Answer:

31.42 \: cm

Step-by-step explanation:

C=\pi d

C=2\pi r

C=2\pi \times 5

C=10\pi

C=31.41592...

5 0
3 years ago
Read 2 more answers
The height "h" of a ball thrown straight up with a velocity of 88 ft/s is given by h = -16t^2 + 88t where "t" is the time it is
Dvinal [7]

By definition of the zeros of ta quadratic function,  for 5.5 seconds the ball is in the air before it hits the ground.

<h3>Zeros of a function</h3>

The points where a polynomial function crosses the axis of the independent term (x) represent the so-called zeros of the function.

That is, the zeros represent the roots of the polynomial equation that is obtained by making f(x)=0.

In summary, the roots or zeros of the quadratic function are those values ​​of x for which the expression is equal to 0. Graphically, the roots correspond to the abscissa of the points where the parabola intersects the x-axis.

<h3>Time the ball is in the air before it hits the ground</h3>

In this case, the height "h" of a ball thrown straight up with a velocity of 88 ft/s is given by h = -16t² + 88t, where "t" is the time it is in the air.

When the ball hits he ground, he height h has a value of zero. This is h=0. Replacing in the previous expression for the height you get:

0= -16t² + 88t

It can be solved by extracting the term "t" as a common factor:

0= t×(-16t + 88)

The Zero Product Principle says that if the product of two numbers is 0, then at least one of the factors is 0. Then:

t= 0

or

0= -16t + 88

Solving: -88= -16t

(-88)÷ (-16)=t

<u><em>5.5= t</em></u>

Finally, this means that for 5.5 seconds the ball is in the air before it hits the ground.

Learn more about the zeros of a quadratic function:

brainly.com/question/12649112

brainly.com/question/21320065

brainly.com/question/12037466

#SPJ1

3 0
2 years ago
5 points
Alinara [238K]
C negative numbers are always last.
8 0
2 years ago
Read 2 more answers
When 24 is subtracted from a number and that difference is multiplied by 1/4, the result is 4.
Katen [24]
If (x-24)0.25 = 4, distribute 0.25 within the parenthesis.
0.25x - 6 = 4
0.25x = 10
Divide both sides by 0.25
x = 40
8 0
3 years ago
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