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larisa86 [58]
3 years ago
15

Please answer! Very easy and will mark brainlist.

Mathematics
2 answers:
kondor19780726 [428]3 years ago
5 0

Answer:

18.57

Step-by-step explanation:

First you have to simplify the equation using cross-multiplication

You should get 7v=130

Then divide both sides by 7

You should get v=130/7

simplify that and get 18 4/7

Turn that into decimal form and you get 18.57

AleksAgata [21]3 years ago
4 0

Answer:

18.57

Step-by-step explanation:

1. Multiply all terms by the same value to eliminate fraction denominators

v/10 = 13/7

10 x v/10 = 10 x 13/7

2. Simplify

130/7 = 18.571428571429

3. Round to the Nearest Tenth

18.57

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What is the length of the rectangle if the perimeter is 102 cm?
elixir [45]
<span> <span>The perimeter of a rectangle is 102 cm. If the length is 15 cm less than twice the width</span></span>
3 0
3 years ago
Read 2 more answers
Tapiwa takes 5% more leaves than adam raked. together they raked 697 liters of leaves
Nina [5.8K]
----------------------------------
Define their percentage:
----------------------------------
Adam = 100%
Tapiwa = 100 + 5 = 105%

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Find their total percentage:
----------------------------------
100 + 105 = 205

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Find 1%
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205% = 697 liters
1% = 3.4 liters

----------------------------------
Find 100% (Adam):
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100% = 3.4 x 100
100% = 340 liters

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Find 105% (Tapiwa):
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105% = 3.4 x 105 
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Answer: Tapiwa =  357 liters and Adam = 340 liters.
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8 0
3 years ago
A salesperson works 40 hours per week at a job where she has two options for being paid. Option A is an hourly wage of ​$20. Opt
sdas [7]

Answer:

40$

Step-by-step explanation:

they have

20$

5%

40hours

i=prt

multiplication of both

=40×20×5/100

=40$

the amount required at the week is 40$

7 0
3 years ago
to exercises 4.141 and 4.137. suppose that y is uniformly distributed on the interval (0, 1) and that a &gt; 0 is a constant. a
Elis [28]

The moment-generating function for y is given as eⁿᵇ - eⁿᵃ / n(b-a) and derivation of  moment-generating function of y is e-1/t

Given that,

The interval (0, 1) is covered by a uniform distribution of y, and a > 0 is a constant.

The moment generating function is eⁿᵇ - eⁿᵃ / n(b-a)

The given interval is (0,1)

Here a =0;

         b=1;

Now substitute the values of a and b in the above moment generating function we get,

y=eⁿᵇ - eⁿᵃ / n(b-a)

y=e^1-e^0/t(1-0)

y= e-1/t

Therefore, the derivation of the moment generating function is e-1/t

Learn more about moment-generating function here:

brainly.com/question/15061360

#SPJ4

6 0
2 years ago
Will award points- im currently using cos, sin and tan
MAVERICK [17]

Answer:

w = 9.82

x = 66.73

Step-by-step explanation:

By applying tangent rule in triangle ABD,

tan(81°) = \frac{\text{Opposite side}}{\text{Adjacent side}}

6.31 = \frac{62}{w}

w = \frac{62}{6.31}

w = 9.82

Similarly,

tan(39°) = \frac{\text{Opposite side}}{\text{Adjacent side}}

0.81 = \frac{62}{(x+w)}

0.81 = \frac{62}{9.83+x}

9.82 + x = \frac{62}{0.81}

x = 76.56 - 9.82

x = 66.74

3 0
3 years ago
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