Help me answer this nonsensical question!!!!!

Mathematics

2 answers:

timurjin [86]3 years ago

8 0

The answer to this problem is D.

We know that each month, he gets 4 coins to add to his collection so that would represent 4m. And we know that he started with 20. The last thing that we know is that we will need a greater than symbol to represent more than 50. Therefore the equation is
20 + 4m > 50.

Have a wonderful day ❤️

topjm [15]3 years ago

5 0

Answer:

Step-by-step explanation:

(if he gathers 4 coins each month you will need the variable by it. he was given 20 coins so it is added on to how many coins he has. plus it would be greater than because the question asked when he will have MORE than 50 coins.)

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What is the area of the triangle 10 13 12

disa [49]

Answer:

A= 57 sq units

Step-by-step explanation:

To calculate the are area of a triangle we use the Herons formula:

A=√s(s-a)(s-b)(s-c) where a, b and c are the sides of the triangle.

s=(a+b+c)/2

s=(10+13+12)/2

=17.5

A=√[17.5(17.5-10)(17.5-13)(17.5-12)]

A= 57 sq units

5 0

3 years ago

I have no idea how to even begin with this

Leviafan [203]

We have two similar triangles, the one as a whole and the one inside of it. To calculate the height of the flagpole we can set up a proportion. First calculate the length of the base of the smaller triangle.

16.60 - 12.45 = 4.15m

The height is 1.65m, set up a proportion:

$\sf\dfrac{1.65}{4.15}=\dfrac{x}{16.60}$

Cross multiply:

$\sf 27.39=4.15x$

Divide 4.15 to both sides:

$\sf x=\boxed{\sf 6.6m}$

So the height of the flagpole is 6.6 meters tall.