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3 years ago

B and a win some money and share it in a ratio of 3:4 person b gets 39 how much does person a get?

Mathematics

1 answer:

nadezda [96]3 years ago

7 0

Answer:52

Step-by-step explanation:

To find this

Total ratio=3+4

Find the amount share

7/4×39

=91

So, to get a share's

3/7×91

=52

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The kinetic energy (in joules) of a moving object can be calculated from the expression 1/2mv^2, where m is the mass of the obje

algol13

Answer: $116\text{ joules}$

Step-by-step explanation:

Given: Mass of baseball=0.145 kg

Speed of baseball=40 meters per second

Also it is given that The kinetic energy (in joules) of a moving object can be calculated from the expression $\frac{1}{2}mv^2$ , where 'm' is the mass of the object in kilograms and 'v' is its speed in meters per second.

Thus, the kinetic energy of baseball= $\frac{1}{2}(0.145)(40)^2$

$\frac{1}{2}(0.145)(1600)=116\text{ joules}$

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4 years ago

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Find the value of the trig functions indicated

Naddik [55]

Answer:

D. ⅘

Step-by-step explanation:

According to the acronym for trig ratio, SOHCAHTOA, we know that:

$sin (\theta) = \frac{opposite}{hypotenuse}$

In the triangle given,

Opposite = √(20² - 12²) = √256 = 16

Hypotenuse = 20

Thus:

$sin (\theta) = \frac{16}{20}$

Simplify

$sin (\theta) = \frac{4}{5}$

6 0

3 years ago

the vertices of abc are a (-6,-7) b(-3,-10) and c(-5,2) find the vertices of abc given the transition rule (x,y)-->(x,y-3)

bagirrra123 [75]

The vertices of abc given the transition rule (x,y)-->(x,y-3) are (-6, -10), (-3, -13) and (-5, -1)

<h3>How to determine the new vertices?</h3>

The vertices are given as:

a (-6,-7)

b(-3,-10)

c(-5,2)

The transition rule is given as

(x,y)-->(x,y-3)

So, we have

a' = (-6, -7 - 3)

a' = (-6, -10)

b' = (-3, -10 - 3)

b' = (-3, -13)

c' = (-5, 2 - 3)

c' = (-5, -1)

Hence, the vertices of abc given the transition rule (x,y)-->(x,y-3) are (-6, -10), (-3, -13) and (-5, -1)