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2 years ago

PLS PLS PLS PLS PLS PLS HELP MEEEEEEEEE

Mathematics

1 answer:

horrorfan [7]2 years ago

7 0

The measure of the arc WT in the circle is 51 degrees.

<h3>How to find the measure of an arc when tangent intersect?</h3>

The measure of the angle formed by the intersection of two tangents outside a circle is half the positive difference of the measure of the intercepted arc.

Therefore,

m∠RPS = arc RS - arc WT / 2

m∠RPS = 35°

arc RS = 121°

arc WT = ?

35 = 121 - x / 2

cross multiply

70 = 121 - x

70 - 121 = -x

x = 51°

Therefore,

arc WT = 51°

learn more on tangent here: brainly.com/question/16038958

#SPJ1

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Please solve this math question

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4 years ago

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The two triangles are similar. What is the value of x?

denpristay [2]

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3 years ago

Evaluate 4(2a – b) when a = –1 and b = 5.

grin007 [14]

Hey There!

<h2>Question:-</h2>

$\sf \longmapsto \: 4(2a - b)$

This is a algebraic expression. The values of a and b are given. The values are as follows :-

a = -1

And,

b = +5 .

<h2>Solution:-</h2>

$\sf \longmapsto4(2a - b)$

Note that a is multiplied with 2 that is :-

$\sf \longmapsto4(2 \times a \: - b)$

Now, Insert the values that is a = -1 and b = 5 :-

$\sf \longmapsto4(2 \times - 1 - 5)$

Here,we need to follow BODMAS Rule.

B = Brackets

O = Orders

D = Division

M = Multiplication

A = Addition

S = Subtraction

We need to solve the bracket's calculations first as it is the rule.

So, Firstly Multiply (2 × -1) :-

$\sf \longmapsto4( - 2 - 5)$

Note that, (-) × (-) equals to (+).

So, it will be 5+2,But as 5 is bigger number than 2, 5 contains a minus sign.So the result will be -7.

$\sf \longmapsto4( 5+ 2)$

On Simplification:-

$\sf \longmapsto4( - 7)$

$\sf \longmapsto4 \times (- 7)$

$\sf \longmapsto \: - 28$

______________________________________

Henceforth the solution of the algebraic expression is :-

$\bf \:- 28$

Option B is correct!

______________________________________

I hope this helps!

Please let me know if you have any questions.

~MisterBrian

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Minchanka [31]

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Dmitrij [34]

Answer:

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