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4 years ago

What is the value of x?A. 155°B. 60°C. 35D. 25°

Mathematics

2 answers:

Harman [31]4 years ago

4 0

Answer: C

Step-by-step explanation:

First, you should see that the bottom right corner is an angle on the other side. So subtract 180 from 95 to get 85. Since all angles in a triangle add up to 180, You do 85 + 60 + x = 180. You simplify further to get 145 + x = 180.

Subtracting 145 from both sides leaves you with x = 35, which gives you C.

So C is the correct answer.

Lubov Fominskaja [6]4 years ago

3 0

Another way you can solve this is by simply subtracting the lengths from each other giving you a value of 35 for your x value but of course using this method will not always be the case

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A B and C are collinear, and B is between A and C. The ratio of AB to AC is 2:7. If A is at (0,-8) and B is (2,-4), what are the

labwork [276]

Answer:

C = (7, 6)

Step-by-step explanation:

The problem statement tells us the relation between the points is ...

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7(B -A) = 2(C -A) . . . . . . multiply by 7(C-A)

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4 years ago

A farmer has 184 sheep. 23% are ewes. How many rams does have?

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if number of ewe = 42

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3 years ago

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3 years ago

70 POINTSS!!!! URGETT PLS HELP!! Vectors t = −5i + 2j, u = −3i + 7j, and v = 8i + 20j are given.

LUCKY_DIMON [66]

The angle between the vectors t and u is 45°. And the vector t and vector w are orthogonal to each other.

<h3>What is a vector?</h3>

The quantity which has magnitude, direction and follows the law of vector addition is called a vector.

The vectors are given below.

t = −5i + 2j, u = −3i + 7j, and v = 8i + 20j

Part A: Then the angle between vectors t and u will be

$\cos \theta = \dfrac{\overrightarrow{a} \cdot \overrightarrow{b}}{|\overrightarrow{a}| + |\overrightarrow{b}|}$

Then we have

cos θ = [(−5i + 2j)(−3i + 7j)] / [√{(-5²) + 2²} + √{(-3)² + 7²}]

cos θ = 1 / √2

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Part B: c is a scalar

If $\rm \overrightarrow{\rm v} = (a, b)$ , then $\rm c\overrightarrow{\rm v} = c(ca, cb)$

Let c = 2, then we have

$\overrightarrow{\rm w} = c\overrightarrow{v}\\\\\overrightarrow{\rm w} = (2*8, 2*20)\\\\\overrightarrow{\rm w} = (16, 40)$

Part C: Use the dot product to determine if t and w are parallel or orthogonal.

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More about the vector link is given below.

brainly.com/question/13188123

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2 years ago

What is the value of x?A. 155°B. 60°C. 35D. 25°​

What is the value of x?A. 155°B. 60°C. 35D. 25°