3 years ago

Can someone please help me out here? :)

Mathematics

1 answer:

Marizza181 [45]3 years ago

3 0

Answer:

i believe it's 133.13

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The difference of the square of a number and 18 is equal to 3 times that number. Find

ololo11 [35]

Answer:

Step-by-step explanation:

To solve this, you can set up an equation as such:

x²-18= 3x

Now, rearrange this to make it an equation in standard form:

x²-3x-18=0.

Simply turn this equation into factored form:

(x-6)(x+3)= 0.

The only positive solution here is x=6.

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3 years ago

A person 2 m tall casts a shadow 10 m long. At the same time, a building casts a shadow 80 m long. How tall is the building ?

Novosadov [1.4K]

Answer:

The building is 16 m tall.

Step-by-step explanation:

x/2 = 80/10

10x=160

10x/10 = 160/10

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2 years ago

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MArishka [77]

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3 years ago

Solve for x the find the measure of A

Natalka [10]

Answer:

84°

Step-by-step explanation:

the total angle in a straight line sum up to 180°

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3 years ago

Determine the slope of the line passing through the points (0,-3) and (3,-11).

prohojiy [21]

Answer:

-3/8

Step-by-step explanation:

<em>Hey there!</em>

Well to find the slope with 2 points “(0,-3) and (3,-11)”, we’ll use the following formula,

$\frac{y^2-y^1}{x^2-x^1}$

Plug in the given points.

$\frac{-11 - - 3}{3-0}$

-11 + 3 = -8

3 - 0 = 3

Slope = -8/3

<em>Hope this helps :)</em>

4 0

3 years ago