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Xelga [282]
3 years ago
10

49 is 7% of what number?​

Mathematics
1 answer:
Ilya [14]3 years ago
5 0

Answer:

700

Step-by-step explanation:

(49 x 100) / 7

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Which multiplication expression is equivalent to
oee [108]

Answer:

1

Step-by-step explanation:

Correct question:  2x2 - 5x - 3 / 4x2 + 12x + 5 divided by 3x2 - 11x + 6 / 6x2 + 11x - 10.

As given: \frac{(2x^{2}-5x-3) }{(4x^{2}+12x+5 )} \div \frac{(3x^{2} -11x+6)}{(6x^{2}+11x-10) }

Solving it by using quadratic equation.

= \frac{(2x^{2}-6x+1x-3) }{(4x^{2}+10x+2x+5) } \div \frac{(3x^{2}-9x-2x+6 }{(6x^{2}+15x-4x-10) }

= \frac{(2x+1) (x-3)}{(2x+1) (2x+5)} \div \frac{(3x-2) (x-3)}{(2x+5) (3x-2)}

To divide fraction take the reciprocal of divisor and multiply the dividend.

= \frac{(2x+1) (x-3)}{(2x+1) (2x+5)} \times \frac{(2x+5) (3x-2)}{(3x-2) (x-3)}

We solve it to get 1 as it cancel fraction on both side.

Answer is 1.

5 0
4 years ago
Read 2 more answers
Which phrase best describes f(x), graphed on the coordinate plane below?
Sphinxa [80]

answer.next time out the graph

Step-by-step explanation:

8 0
4 years ago
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The table below represents the distance of an airplane from its destination as a function of time:
Ira Lisetskai [31]
Let us first find the equation for the distance as a function of time in the form:

d=mx+b

m=(d2-d1)/(x2-x1)

m=(2160-2700)/(1-0)

m=-540

d=-540x+b, using point (0,2700) we can solve for b

2700=-540(0)+b

2700=b so

d(x)=-540x+2700

A)  The y-intercept is the constant of our distance function  (the distance when x, time, equals zero).  In this case d=2700 is the y-intercept.  This means that the initial distance from the destination was 2700 miles.

B) Since this is just a line and has a constant velocity, its average velocity will just be the constant velocity or slope.  But mathematically we could show this to be true.  Average velocity is change in distance divided by change in time.

v=(540-2160)/(4-1)

v=-1620/3

v=-540 mph

C)

The domain of a function is the possible x values in the proper context.  First time cannot be less than 0.  The other extreme for time is when the plane reaches its destination, when d=0, which is when:

-540x+2700=0

540x=2700

x=5.  

So the plane reaches its destination after 5 hours.  So the domain, the x values, for d=-540x+2700 is

x=[0,5]
5 0
3 years ago
How do you reduce 5/25 in fractions
aleksandr82 [10.1K]
5/25

5:5/25:5

= 1/5.

Divide by the GCF, 5.
6 0
4 years ago
Read 2 more answers
Eva has a points card for a movie theater. She receives 65 rewards points just for signing up. She earns 13.5 points for each vi
Zanzabum

Answer:

10

Step-by-step explanation:

200-65= 135

135/13.5=10

5 0
3 years ago
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