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2 years ago

15

Please answer this!!

2 answers:

777dan777 [17]2 years ago

4 0

Answer:

C, 5/12

Step-by-step explanation:

The tangent of an angle is defined as the side opposite to that angle divided by the side adjacent to that angle. The tangent of angle A would be equal to the value of side BC divided by side AB. The value of side BC is 5, and the value of side AB is 12. The answer is 5/12.

earnstyle [38]2 years ago

4 0

Answer: ∠A= $\frac{5}{12}$

Step-by-step explanation:

Tangent is opposite over adjacent.

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0x-7*9 = 0<br>Solve for x.<br>

Helga [31]

Answer:

Undefined

<em>Step </em><em>by</em><em> step</em><em> </em><em>explaination:</em>

<em> </em>

by order of operations we know that we multiply first;

so, 0x-(7*9)=0

1) Multiply the ones in brackets first:

0x-63=0

2) To make X the subject perform the opposite operation:

0x-64+63=0+63

0x=63

3) Divide 0 on both sides;

0x/0= 63/0

therefore; <u>x is undefined</u>

3 0

1 year ago

Read 2 more answers

Emily is 4 times as old as Tiffany. In ten years time, Emily will be twice as old as Tiffany . Find their ages.

Sholpan [36]

<h3><u>Question</u><u>:</u></h3>

Emily is 4 times as old as Tiffany. In ten years time, Emily will be twice as old as Tiffany. Find their ages.

<h3><u>Solution</u><u>:</u></h3>

Let the age of Tiffany be x years.
Then, the age of Emily = 4x years.
After 10 years, the age of Tiffany will be (x+10) years.
After 10 years, the age of Emily will be (4x+10) years.
Therefore, by the problem

$4x + 10 = 2(x + 10) \\ = 4x + 10 = 2x + 20 \\ = > 4x - 2x = 20 - 10 \\ = > 2x = 10 \\ = > x = \frac{10}{2} \\ = > x = 5$

So, Tiffany's present age = 5 years.
Emily's present age = (4×5) years = 20 years.

<h3><u>Answer:</u></h3>

Emily's age is 20 years and Tiffany's age is 5 years.

Hope it helps!

7 0

2 years ago

Read 2 more answers

How to factor this expression: x^2-9?

Lena [83]

Answer:

(x+3)(x-3)

Step-by-step explanation:

rewrite "9" as 3^2

so it is x^2-3^2

You use the difference of squares: a^2-b^2=(a+b)(a-b)

apply it: (x+3)(x-3)

7 0

2 years ago

Put these fractions in order, 1/4 2/3 4/10 6/8 2/6.

Mademuasel [1]

Answer:

$\frac{1}{4}, \frac{2}{6}, \frac{4}{10}, \frac{2}{3}, \frac{6}{8}$

Step-by-step explanation:

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2 years ago

A magazine advertises that a subscription price of $29.99 for (12 issues) represents a savings of 70% from the newsstand price.

devlian [24]

It would be bout 2.50 for on issue. Hope that helped

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3 years ago