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3 years ago

Simplify 616/196 thirteen points for whoever answers the best please help!

Mathematics

2 answers:

sergey [27]3 years ago

4 0

Three and one seventh

Step-by-step explanation:

mixas84 [53]3 years ago

3 0

That’s the equation for pi, but the simplified fraction is 22/3 (please mark brainliest)

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Erica buys 3.5 pounds of peanut butter. If each pound of peanut butter cost $6.40, how much will she pay for the peanut butter?

Ludmilka [50]

Answer:

Find the total cost

6.40 *3.5 = 22.4$

5 0

3 years ago

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HELPPPPPPPPPPP Draw the graph of y = 2x + 3 on the grid

topjm [15]

Answer:

The graph in the attached figure

Step-by-step explanation:

we have

$y=2x+3$

This is the equation of the line

To graph a line we need two points

Find the intercepts

1) The y-intercept is the value of y when the value of x is equal to zero

For x=0

$y=2(0)+3$

$y=3$

The y-intercept is the point (0,3)

2) The x-intercept is the value of x when the value of y is equal to zero

For y=0

$0=2x+3$

$x=-3/2=-1.5$

The x-intercept is the point (-1.5,0)

To draw the graph of the line plot the intercepts and join the points

using a graphing tool

see the attached figure

3 0

3 years ago

The time intervals between successive barges passing a certain point on a busy waterway have an exponential distribution with me

lisov135 [29]

Answer:

a) 0.4647

b) 24.6 secs

Step-by-step explanation:

Let T be interval between two successive barges

t(t) = λe^λt where t > 0

The mean of the exponential

E(T) = 1/λ

E(T) = 8

1/λ = 8

λ = 1/8

∴ t(t) = 1/8×e^-t/8 [ t > 0]

Now the probability we need

p[T<5] = ₀∫⁵ t(t) dt

=₀∫⁵ 1/8×e^-t/8 dt

= 1/8 ₀∫⁵ e^-t/8 dt

= 1/8 [ (e^-t/8) / -1/8 ]₀⁵

= - [ e^-t/8]₀⁵

= - [ e^-5/8 - 1 ]

= 1 - e^-5/8 = 0.4647

Therefore the probability that the time interval between two successive barges is less than 5 minutes is 0.4647

Now we find t such that;

p[T>t] = 0.95

t_∫¹⁰ t(x) dx = 0.95

t_∫¹⁰ 1/8×e^-x/8 = 0.95

1/8 t_∫¹⁰ e^-x/8 dx = 0.95

1/8 [( e^-x/8 ) / - 1/8 ]¹⁰_t = 0.95

- [ e^-x/8]¹⁰_t = 0.96

- [ 0 - e^-t/8 ] = 0.95

e^-t/8 = 0.95

take log of both sides

log (e^-t/8) = log (0.95)

-t/8 = In(0.95)

-t/8 = -0.0513

t = 8 × 0.0513

t = 0.4104 (min)

so we convert to seconds

t = 0.4104 × 60

t = 24.6 secs

Therefore the time interval t such that we can be 95% sure that the time interval between two successive barges will be greater than t is 24.6 secs

6 0

3 years ago

Kate jogged 3 3/4 miles on Saturday morning and 2 1/2 miles Saturday evening. How many miles did she jog on Saturday? (5 2/3 OR

klio [65]

The answer is 6 1/4, because if you making 1/2 = 2/4, 2 + 3 = 5, the 4 stays the same, so its 5 5/4, and to make it proper, you make it 6 1/4

6 0

3 years ago

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The deck on a home is shaped like a parallelogram. The parallelogram has an area of 544.5 ft2 and a base measurement of 16.5 ft.

defon

Answer:

The height of the parallelogram is 33 ft

Explanation:

The area of the parallelogram can be calculated using the following rule:

Area of parallelogram = base * height

In the problem, we are given that:

Area = 544.5 ft²

Base = 16.5 ft

Substitute with the given values in the above equation and solve for the height as follows:

Area = base * height

544.5 = 16.5 * height

$height = \frac{544.5}{16.5} = 33 ft$

Hope this helps :)

5 0

3 years ago

Read 2 more answers