2 years ago

Check if the last question is right ;-; right answer that the brainliest :D

Mathematics

1 answer:

katovenus [111]2 years ago

7 0

Answer:

yess it is right

Step-by-step explanation:

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If AC = 40, find the length of JK.

lesantik [10]

Answer:

JK = 24

Step-by-step explanation:

Δ BKJ and Δ BCA are similar triangles and ratios of corresponding sides are equal, that is

$\frac{JK}{AC}$ = $\frac{BK}{BC}$ , substitute values

$\frac{JK}{40}$ = $\frac{3}{5}$ ( cross- multiply )

5JK = 120 ( divide both sides by 5 )

JK = 24

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2 years ago

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An exercise machine with an original selling price of $1,275 is marked down by 20%. What is the sale price of the exercise machi

krek1111 [17]

Answer:

1,020

Step-by-step explanation:

If it is marked down by 20%, then 80% is left. What is 80% of 1275 you ask? .8*1275=1020!

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3 years ago

Find the greatest common factor of x²y and xy²

balandron [24]

Answer:

Step-by-step explanation:

Let's take a look at what factors $x^2y$ and $xy^2$ have in common.

$x^2y$ is composed of $x^2$ and y, and $xy^2$ is composed of x and $y^2$ . Notice that both x and y are factors of them, so the gcf is xy.

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3 years ago

I need help with this question.

marshall27 [118]

That seems so hard, sending prayers and brain cells to you.

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2 years ago

Simplify -40/7+8-23/7

Oduvanchick [21]

Answer:

-1

Step-by-step explanation:

-40/7+8-23/7

= -40/7+8-23/7

= 16/7-23/7

= -1

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1 year ago

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