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3 years ago

I need to give you my math numbers and then solve the step by step

Mathematics

1 answer:

Alchen [17]3 years ago

7 0

Answer:

tell me

Step-by-step explanation:

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Given the right triangle shown below.if Cos A =15/17 and tan A=8/15 which of the following represents the length of BC

otez555 [7]

Answer:

The Figure for Right triangle is below,

Therefore , 15 unit length represents BC.

Step-by-step explanation:

Given:

Consider a right triangle ABC, Such that

$\cos A=\dfrac{15}{17}\\\\\tan A=\dfrac{8}{15}$

To Find:

BC = ?

Solution:

In Right Angle Triangle ABC, Cosine and Tangent identity

$\cos A = \dfrac{\textrm{side adjacent to angle C}}{Hypotenuse}\\$

$\tan A= \dfrac{\textrm{side opposite to angle A}}{\textrm{side adjacent to angle A}}$

BUT,

$\cos A=\dfrac{15}{17}\\\\\tan A=\dfrac{8}{15}$ ....Given

On Comparing,

Adjacent side to angle A = AB = 15

Opposite side to angle A = BC = 8

Hypotenuse = AC =17

Also Pythagoras theorem is Satisfies,

$(\textrm{Hypotenuse})^{2} = (\textrm{Shorter leg})^{2}+(\textrm{Longer leg})^{2}$

$(\textrm{Hypotenuse})^{2} = 17^{2}=289$

$(\textrm{Shorter leg})^{2}+(\textrm{Longer leg})^{2}=15^{2}+8^{2}=289$

The Figure for Right triangle is below,

Therefore , 15 unit length represents BC.

7 0

2 years ago

.is BLANK than is fewer than 3 < 5

Travka [436]

Answer:

I do not know what you just said so I assume your asking if 3 is less than 5 and yes 3 is less than 5

3 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 $28. Opt

Karolina [17]

Option b!!!!!!!!!!!!!

6 0

2 years ago

desceibe how to determine the average rate of change between x=4 and x=6 for the function f(x)=2x^3 +4

Ann [662]

$slope = m = \cfrac{rise}{run} \implies \cfrac{ f(x_2) - f(x_1)}{ x_2 - x_1}\impliedby \begin{array}{llll} average~rate\\ of~change \end{array}\\\\[-0.35em] \rule{34em}{0.25pt}\\\\ f(x)= 2x^3+4\qquad \begin{cases} x_1=4\\ x_2=6 \end{cases}\implies \cfrac{f(6)-f(4)}{6-4} \\\\\\ \cfrac{[2(6)^3+4]~~ -~~[2(4)^3+4]}{2}\implies \cfrac{436~~ -~~132}{2}\implies \cfrac{304}{2}\implies 152$

4 0

2 years ago

Solve the equation A= bh for b a)b=bh b)b=A/h c)b=h/A d)b=h-A

m_a_m_a [10]

Answer:

Step-by-step explanation:

A=bh

b=A/h

7 0

2 years ago

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