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3 years ago

In ΔABC, m∠CAB = 30°, M is the midpoint of

Mathematics

1 answer:

Thepotemich [5.8K]3 years ago

3 0

Check the attached file for the answer.

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Please help me! simplify. 5-[-(-20] a. -3 b.3 c.-7 d.7

frosja888 [35]

Im sorry i dont know

8 0

4 years ago

It's a little blurry sorry please help

Ghella [55]

Answer:

It's X=2

Working out:

(left one):

2(x+3)=10

2x+6=10

2x=10-6

2x=4

x=2

Working out:

(right one):

2(x+3) must be all divided by 2 so it will be x+3 and same for 10, it will be 5 so...

x+3=5

x=5-3

x=2

Hope it helps ^---^

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3 years ago

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Find the geometric mean of the pair of numbers

Svetach [21]

Answer: a. 55

Step-by-step explanation:

The formula to find the geometeric mean between two numbers a and b is given by :-

$G.M. =\sqrt{ab}$

The given numbers are : 275 and 11

The geometric mean of 275 and 11 is given by :-

$G.M.=\sqrt{275\times11}\\\\\Rightarrow\ G.M. =\sqrt{3025}\\\\\Rightarrow\ G.M.=\sqrt{55\times55}\\\\\Rightarrow\ G.M.=\sqrt{55^2}\\\\\Rightarrow\ G.M.=55$

Hence, the geometric mean of 275 and 11 is 55.

So , the correct option is a. 55 .

4 0

3 years ago

Classify the following triangle as acute, obtuse, or right

dusya [7]

Answer: Choice A) Obtuse

The angle 126 degrees is larger than 90 degrees. Any time you have a triangle with one angle larger than 90 degrees, you'll always have an obtuse triangle. This is by definition of what "obtuse triangle" means.

8 0

3 years ago

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What is the surface area of a triangular pyramid if each face has an area of 30 mm2?

coldgirl [10]

The answer must be $120\quad m{ m }^{ 2 }$ since the triangular pyramid has 4 faces and each has an area of 30 $m{ m }^{ 2 }$ we should multiply that by 4 , so :

$4\cdot 30\quad m{ m }^{ 2 }=\quad 120\quad m{ m }^{ 2 }$

7 0

3 years ago

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