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3 years ago

100 POINTS AND MARKED AS BRAINLIEST IF YOU ANSWER THIS AND SHOW YOUR WORK

Mathematics

2 answers:

Alexandra [31]3 years ago

5 0

Answer:

122.88

Step-by-step explanation:

3072 devided by 25 gets you 122.88

Mrac [35]3 years ago

4 0

Answer:

The answer is 122.88

Step-by-step explanation: SMARTNESS ASK ME OR FRIEND ME I WILL HELP YOU WITH ALL.

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Find the altitude of triangle whose vertex is a(1,-2) and the equation of the base is X+y=3.

Sophie [7]

Answer:

$2\sqrt {2}$

Step-by-step explanation:

<u>Distance From a Point to a Line</u>

Given a line with an equation :

ax + by + c = 0

And the point $(x_0,y_0)$

The distance from the line to the point is given by

$\displaystyle d=\frac {|ax_{0}+by_{0}+c|}{\sqrt {a^{2}+b^{2}}}$

The triangle has a vertex at (1,-2) and the base lies on the equation

x + y = 3

Rearranging:

x + y - 3 = 0

The altitude of the triangle is the distance from the point to the line.

The values to use in the formula of the distance are: a=1, b=1, c=-3, xo=1, yo=-2:

$\displaystyle d=\frac {|1*1+1*(-2)-3|}{\sqrt {1^{2}+1^{2}}}$

$\displaystyle d=\frac {|1-2-3|}{\sqrt {2}}$

$\displaystyle d=\frac {4}{\sqrt {2}}$

Rationalizing:

$\displaystyle d=\frac {4}{\sqrt {2}}\cdot\frac{\sqrt {2}}{\sqrt {2}}$

$\displaystyle d=2\sqrt {2}$

The altitude of the triangle is $\mathbf{4\sqrt {2}}$

6 0

2 years ago

Four consecutive integers just greater than -9

baherus [9]

Answer: -8 -7 -6 -5

Step-by-step explanation:

The four consecutive integers just greater than -9 are -8 -7 -6 -5

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3 years ago

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What is the prime factorization of 120?

Ludmilka [50]

2 x 2 x 2 x 3 x 5 is the prime factorization of 120

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3 years ago

Help help help help!!!!!

cluponka [151]

Answer:

24.5 is the answer

Step-by-step explanation:

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Simplify 6 + 7.2y - 4.2y + 1

jok3333 [9.3K]

Answer:

3y+7

Step-by-step explanation:

6+7.2y+−4.2y+1

(7.2y+−4.2y)+(6+1)

3y+7

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2 years ago